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AI Earnings Predictions for Advanced Drainage Systems Inc. (WMS)

Machine learning predictions based on historical earnings data and price patterns

Latest Prediction

BUY

1-Day Prediction

+1.54%

$172.64

100% positive prob.

5-Day Prediction

+3.88%

$176.63

100% positive prob.

20-Day Prediction

+3.91%

$176.68

95% positive prob.

Price at prediction: $170.03 Confidence: 100.0% Model AUC: 1.0000 Quarter: Q4 2025

Earnings Transcripts

SEC 8-K filings with transcript text

View All
2025
Q4

Q4 2025 Earnings

8-K BUY

Feb 5, 2026 · 100% conf.

AI Prediction BUY

1D

+1.54%

$172.64

Act: +3.15%

5D

+3.88%

$176.63

Act: -1.32%

20D

+3.91%

$176.68

Act: -14.15%

Price: $170.03 Prob +5D: 100% AUC: 1.000
0001604028-26-000004

wms-202602050001604028False00016040282026-02-052026-02-05

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 5, 2026

ADVANCED DRAINAGE SYSTEMS, INC.

(Exact name of Registrant as Specified in Its Charter)

Delaware001-3655751-0105665 (State or Other Jurisdiction of Incorporation) (Commission File Number)(IRS Employer Identification No.)

4024 Green Stripe Lane 43026 Hilliard,Ohio (Address of Principal Executive Offices) (Zip Code)

Registrant’s Telephone Number, Including Area Code: (800) 733-7473 Not Applicable (Former Name or Former Address, if Changed Since Last Report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instructions A.2. below):

☐Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) ☐Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) ☐Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) ☐Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each class Trading Symbol(s) Name of each exchange on which registered Common Stock, $0.01 par value per share WMS New York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§ 230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§ 240.12b-2 of this chapter). Emerging growth company ☐ If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 2.02    Results of Operations and Financial Condition On February 5, 2026, Advanced Drainage Systems, Inc. (the "Company") issued a press release setting forth the Company’s unaudited results for the fiscal third quarter ended December 31, 2025 and announcing a $1 billion increase to its stock repurchase program. A copy of the Company’s press release with the results is being furnished as Exhibit 99.1 and hereby incorporated by reference. The information furnished pursuant to this Item 2.02, including Exhibit 99.1, shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934 (the "Exchange Act") or otherwise subject to the liabilities under Section 18 of the Exchange Act and shall not be deemed to be incorporated by reference into any filing of the Company under the Securities Act of 1933 or the Exchange Act.

Item 7.01    Regulation FD Disclosure As previously announced, at 10:00 a.m. (Eastern time) on February 5, 2026, the Company’s President and Chief Executive Officer, Scott Barbour, and Chief Financial Officer, Scott Cottrill, will host a conference call and webcast to discuss the Company’s unaudited results for the third quarter ended December 31, 2025. A copy of the Company’s slides forming the basis of the presentation is being furnished as Exhibit 99.2 and hereby incorporated by reference. The live webcast will also be accessible via the "Events Calendar" section of the Company’s Investor Relations website, www.investors.ads-pipe.com. An archived version of the webcast will be available following the call.

Item 8.01    Other Events

On February 5, 2026, the Company announced a $1 billion increase in the size of the Company’s existing stock repurchase program (the “Repurchase Program”). As of the date hereof there was approximately $147.7 million of remaining repurchase authority under the Repurchase Program, bringing the total repurchase authority under the Repurchase Program with the announced increase to $1.148 billion. Repurchases of shares of common stock will be made in the open market or in privately negotiated transactions in accordance with applicable securities laws. The Repurchase Program does not obligate the Company to acquire any particular amount of common stock, and it may be suspended or terminated at any time at the Company’s discretion.

Additionally on February 5, 2026, the Company issued a press release announcing the approval by the Board of Directors (the "Board") of the Company of the declaration of a cash dividend of $0.18 per share, payable on March 16, 2026, to stockholders of record at the close of business on March 2, 2026. A copy of the Company’s press release is attached hereto as Exhibit 99.3 and hereby incorporated by reference.

Item 9.01    Financial Statements and Exhibits. (d)Exhibits The following exhibits are being furnished as part of this report:

99.1 Press Release of Advance

2025
Q3

Q3 2025 Earnings

8-K

Nov 6, 2025

0001604028-25-000041

wms-202511060001604028False00016040282025-11-062025-11-06

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 6, 2025

ADVANCED DRAINAGE SYSTEMS, INC.

(Exact name of Registrant as Specified in Its Charter)

Delaware001-3655751-0105665 (State or Other Jurisdiction of Incorporation) (Commission File Number)(IRS Employer Identification No.)

4640 Trueman Boulevard, 43026 Hilliard,Ohio (Address of Principal Executive Offices) (Zip Code)

Registrant’s Telephone Number, Including Area Code: (614) 658-0050 Not Applicable (Former Name or Former Address, if Changed Since Last Report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instructions A.2. below):

☐Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) ☐Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) ☐Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) ☐Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each class Trading Symbol(s) Name of each exchange on which registered Common Stock, $0.01 par value per share WMS New York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§ 230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§ 240.12b-2 of this chapter). Emerging growth company ☐ If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 2.02    Results of Operations and Financial Condition On November 6, 2025, Advanced Drainage Systems, Inc. (the "Company") issued a press release setting forth the Company’s unaudited results for the fiscal second quarter ended September 30, 2025. A copy of the Company’s press release with the results is being furnished as Exhibit 99.1 and hereby incorporated by reference. The information furnished pursuant to this Item 2.02, including Exhibit 99.1, shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934 (the "Exchange Act") or otherwise subject to the liabilities under Section 18 of the Exchange Act and shall not be deemed to be incorporated by reference into any filing of the Company under the Securities Act of 1933 or the Exchange Act.

Item 7.01    Regulation FD Disclosure As previously announced, at 10:00 a.m. (Eastern time) on November 6, 2025, the Company’s President and Chief Executive Officer, Scott Barbour, and Chief Financial Officer, Scott Cottrill, will host a conference call and webcast to discuss the Company’s unaudited results for the second quarter ended September 30, 2025. A copy of the Company’s slides forming the basis of the presentation is being furnished as Exhibit 99.2 and hereby incorporated by reference. The live webcast will also be accessible via the "Events Calendar" section of the Company’s Investor Relations website, www.investors.ads-pipe.com. An archived version of the webcast will be available following the call.

Item 8.01    Other Events On November 6, 2025, the Company issued a press release announcing the approval by the Board of Directors (the "Board") of the Company of the declaration of a cash dividend of $0.18 per share, payable on December 15, 2025, to stockholders of record at the close of business on December 1, 2025. A copy of the Company’s press release is attached hereto as Exhibit 99.3 and hereby incorporated by reference.

Item 9.01    Financial Statements and Exhibits. (d)Exhibits The following exhibits are being furnished as part of this report:

99.1 Press Release of Advanced Drainage Systems, Inc., dated November 6, 2025, regarding earnings

99.2 Presentation slides, dated November 6, 2025, regarding earnings

99.3 Press Release of Advanced Drainage Systems, Inc., dated November 6, 2025, regarding dividend

104 Cover Page Interactive Data File (embedded within the Inline XBRL document)

1

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

ADVANCED DRAINAGE SYSTEMS, INC.

Date: November 6, 2025By:/s/ Scott A. Cottrill Name:Scott A. Cottrill Title:EVP, CFO & Secretary

2

2025
Q2

Q2 2025 Earnings

8-K

Aug 7, 2025

0001604028-25-000027

wms-202508070001604028False00016040282025-08-072025-08-07

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 7, 2025

ADVANCED DRAINAGE SYSTEMS, INC.

(Exact name of Registrant as Specified in Its Charter)

Delaware001-3655751-0105665 (State or Other Jurisdiction of Incorporation) (Commission File Number)(IRS Employer Identification No.)

4640 Trueman Boulevard, 43026 Hilliard,Ohio (Address of Principal Executive Offices) (Zip Code)

Registrant’s Telephone Number, Including Area Code: (614) 658-0050 Not Applicable (Former Name or Former Address, if Changed Since Last Report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instructions A.2. below):

☐Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) ☐Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) ☐Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) ☐Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each class Trading Symbol(s) Name of each exchange on which registered Common Stock, $0.01 par value per share WMS New York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§ 230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§ 240.12b-2 of this chapter). Emerging growth company ☐ If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 2.02    Results of Operations and Financial Condition On August 7, 2025, Advanced Drainage Systems, Inc. (the "Company") issued a press release setting forth the Company’s unaudited results for the fiscal first quarter ended June 30, 2025. A copy of the Company’s press release with the results is being furnished as Exhibit 99.1 and hereby incorporated by reference. The information furnished pursuant to this Item 2.02, including Exhibit 99.1, shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934 (the "Exchange Act") or otherwise subject to the liabilities under Section 18 of the Exchange Act and shall not be deemed to be incorporated by reference into any filing of the Company under the Securities Act of 1933 or the Exchange Act.

Item 7.01    Regulation FD Disclosure As previously announced, at 10:00 a.m. (Eastern time) on August 7, 2025, the Company’s President and Chief Executive Officer, Scott Barbour, and Chief Financial Officer, Scott Cottrill, will host a conference call and webcast to discuss the Company’s unaudited results for the first quarter ended June 30, 2025. A copy of the Company’s slides forming the basis of the presentation is being furnished as Exhibit 99.2 and hereby incorporated by reference. The live webcast will also be accessible via the "Events Calendar" section of the Company’s Investor Relations website, www.investors.ads-pipe.com. An archived version of the webcast will be available following the call.

Item 8.01    Other Events On August 7, 2025, the Company issued a press release announcing the approval by the Board of Directors (the "Board") of the Company of the declaration of a cash dividend of $0.18 per share, payable on September 15, 2025, to stockholders of record at the close of business on August 29, 2025. A copy of the Company’s press release is attached hereto as Exhibit 99.3 and hereby incorporated by reference.

Item 9.01    Financial Statements and Exhibits. (d)Exhibits The following exhibits are being furnished as part of this report:

99.1 Press Release of Advanced Drainage Systems, Inc., dated August 7, 2025, regarding earnings

99.2 Presentation slides, dated February 6, 2025, regarding earnings

99.3 Press Release of Advanced Drainage Systems, Inc., dated August 7, 2025, regarding dividend

104 Cover Page Interactive Data File (embedded within the Inline XBRL document)

1

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

ADVANCED DRAINAGE SYSTEMS, INC.

Date: August 7, 2025By:/s/ Scott A. Cottrill Name:Scott A. Cottrill Title:EVP, CFO & Secretary

2

2025
Q1

Q1 2025 Earnings

8-K

May 15, 2025

0001604028-25-000009

wms-202505150001604028False00016040282025-05-152025-05-15

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 15, 2025

ADVANCED DRAINAGE SYSTEMS, INC.

(Exact name of Registrant as Specified in Its Charter)

Delaware001-3655751-0105665 (State or Other Jurisdiction of Incorporation) (Commission File Number)(IRS Employer Identification No.)

4640 Trueman Boulevard, 43026 Hilliard,Ohio (Address of Principal Executive Offices) (Zip Code)

Registrant’s Telephone Number, Including Area Code: (614) 658-0050 Not Applicable (Former Name or Former Address, if Changed Since Last Report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instructions A.2. below):

☐Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) ☐Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) ☐Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) ☐Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each class Trading Symbol(s) Name of each exchange on which registered Common Stock, $0.01 par value per share WMS New York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§ 230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§ 240.12b-2 of this chapter). Emerging growth company ☐ If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 2.02    Results of Operations and Financial Condition On May 15, 2025, Advanced Drainage Systems, Inc. (the "Company") issued a press release setting forth the Company’s unaudited results for the fourth quarter and fiscal year ended March 31, 2025. A copy of the Company’s press release with the results is being furnished as Exhibit 99.1 and hereby incorporated by reference. The information furnished pursuant to this Item 2.02, including Exhibit 99.1, shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934 (the "Exchange Act") or otherwise subject to the liabilities under Section 18 of the Exchange Act and shall not be deemed to be incorporated by reference into any filing of the Company under the Securities Act of 1933 or the Exchange Act.

Item 7.01    Regulation FD Disclosure As previously announced, at 10:00 a.m. (Eastern time) on May 15, 2025, the Company’s President and Chief Executive Officer, Scott Barbour, and Chief Financial Officer, Scott Cottrill, will host a conference call and webcast to discuss the Company’s unaudited results for the fourth quarter and fiscal year ended March 31, 2025. A copy of the Company’s slides forming the basis of the presentation is being furnished as Exhibit 99.2 and hereby incorporated by reference. The live webcast will also be accessible via the "Events Calendar" section of the Company’s Investor Relations website, www.investors.ads-pipe.com. An archived version of the webcast will be available for 90 days following the call.

The information furnished pursuant to this Item 7.01, including Exhibit 99.2, shall not be deemed “filed” for purposes of Section 18 of the Exchange Act or otherwise subject to the liabilities under Section 18 of the Exchange Act and shall not be deemed to be incorporated by reference into any filing of the Company under the Securities Act of 1933 or the Exchange Act.

Item 8.01    Other Events On May 15, 2025, the Company issued a press release announcing the approval by the Board of Directors (the "Board") of the Company of the declaration of a cash dividend of $0.18 per share, payable on June 16, 2025, to stockholders of record at the close of business on May 30, 2025. A copy of the Company’s press release is attached hereto as Exhibit 99.3 and hereby incorporated by reference.

Item 9.01    Financial Statements and Exhibits. (d)Exhibits The following exhibits are being furnished as part of this report:

99.1 Press Release of Advanced Drainage Systems, Inc., dated May 15, 2025, regarding earnings

99.2 Presentation slides, dated May 15, 2025, regarding earnings

99.3 Press Release of Advanced Drainage Systems, Inc., dated May 15, 2025, regarding dividend

104 Cover Page Interactive Data File (embedded within the Inline XBRL document)

1

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this repor

2024
Q4

Q4 2024 Earnings

8-K

Feb 6, 2025

0001604028-25-000002

wms-202502060001604028False00016040282025-02-062025-02-06

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 6, 2025

ADVANCED DRAINAGE SYSTEMS, INC.

(Exact name of Registrant as Specified in Its Charter)

Delaware001-3655751-0105665 (State or Other Jurisdiction of Incorporation) (Commission File Number)(IRS Employer Identification No.)

4640 Trueman Boulevard, 43026 Hilliard,Ohio (Address of Principal Executive Offices) (Zip Code)

Registrant’s Telephone Number, Including Area Code: (614) 658-0050 Not Applicable (Former Name or Former Address, if Changed Since Last Report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instructions A.2. below):

☐Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) ☐Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) ☐Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) ☐Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each class Trading Symbol(s) Name of each exchange on which registered Common Stock, $0.01 par value per share WMS New York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§ 230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§ 240.12b-2 of this chapter). Emerging growth company ☐ If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 2.02    Results of Operations and Financial Condition On February 6, 2025, Advanced Drainage Systems, Inc. (the "Company") issued a press release setting forth the Company’s unaudited results for the fiscal third quarter ended December 31, 2024. A copy of the Company’s press release with the results is being furnished as Exhibit 99.1 and hereby incorporated by reference. The information furnished pursuant to this Item 2.02, including Exhibit 99.1, shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934 (the "Exchange Act") or otherwise subject to the liabilities under Section 18 of the Exchange Act and shall not be deemed to be incorporated by reference into any filing of the Company under the Securities Act of 1933 or the Exchange Act.

Item 7.01    Regulation FD Disclosure As previously announced, at 10:00 a.m. (Eastern time) on February 6, 2025, the Company’s President and Chief Executive Officer, Scott Barbour, and Chief Financial Officer, Scott Cottrill, will host a conference call and webcast to discuss the Company’s unaudited results for the third quarter ended December 31, 2024. A copy of the Company’s slides forming the basis of the presentation is being furnished as Exhibit 99.2 and hereby incorporated by reference. The live webcast will also be accessible via the "Events Calendar" section of the Company’s Investor Relations website, www.investors.ads-pipe.com. An archived version of the webcast will be available following the call.

Item 8.01    Other Events On February 6, 2025, the Company issued a press release announcing the approval by the Board of Directors (the "Board") of the Company of the declaration of a cash dividend of $0.16 per share, payable on March 14, 2025, to stockholders of record at the close of business on February 28, 2025. A copy of the Company’s press release is attached hereto as Exhibit 99.3 and hereby incorporated by reference.

Item 9.01    Financial Statements and Exhibits. (d)Exhibits The following exhibits are being furnished as part of this report:

99.1 Press Release of Advanced Drainage Systems, Inc., dated February 6, 2025, regarding earnings

99.2 Presentation slides, dated February 6, 2025, regarding earnings

99.3 Press Release of Advanced Drainage Systems, Inc., dated February 6, 2025, regarding dividend

104 Cover Page Interactive Data File (embedded within the Inline XBRL document)

1

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

ADVANCED DRAINAGE SYSTEMS, INC.

Date: February 6, 2025By:/s/ Scott A. Cottrill Name:Scott A. Cottrill Title:EVP, CFO & Secretary

2

2024
Q3

Q3 2024 Earnings

8-K

Nov 8, 2024

0001604028-24-000041

wms-202411080001604028False00016040282024-11-082024-11-08

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 8, 2024

ADVANCED DRAINAGE SYSTEMS, INC.

(Exact name of Registrant as Specified in Its Charter)

Delaware001-3655751-0105665 (State or Other Jurisdiction of Incorporation) (Commission File Number)(IRS Employer Identification No.)

4640 Trueman Boulevard, 43026 Hilliard,Ohio (Address of Principal Executive Offices) (Zip Code)

Registrant’s Telephone Number, Including Area Code: (614) 658-0050 Not Applicable (Former Name or Former Address, if Changed Since Last Report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instructions A.2. below):

☐Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) ☐Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) ☐Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) ☐Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each class Trading Symbol(s) Name of each exchange on which registered Common Stock, $0.01 par value per share WMS New York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§ 230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§ 240.12b-2 of this chapter). Emerging growth company ☐ If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 2.02    Results of Operations and Financial Condition On November 8, 2024, Advanced Drainage Systems, Inc. (the "Company") issued a press release setting forth the Company’s unaudited results for the fiscal second quarter ended September 30, 2024. A copy of the Company’s press release with the results is being furnished as Exhibit 99.1 and hereby incorporated by reference. The information furnished pursuant to this Item 2.02, including Exhibit 99.1, shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934 (the "Exchange Act") or otherwise subject to the liabilities under Section 18 of the Exchange Act and shall not be deemed to be incorporated by reference into any filing of the Company under the Securities Act of 1933 or the Exchange Act.

Item 7.01    Regulation FD Disclosure As previously announced, at 10:00 a.m. (Eastern time) on November 8, 2024, the Company’s President and Chief Executive Officer, Scott Barbour, and Chief Financial Officer, Scott Cottrill, will host a conference call and webcast to discuss the Company’s unaudited results for the second quarter ended September 30, 2024. A copy of the Company’s slides forming the basis of the presentation is being furnished as Exhibit 99.2 and hereby incorporated by reference. The live webcast will also be accessible via the "Events Calendar" section of the Company’s Investor Relations website, www.investors.ads-pipe.com. An archived version of the webcast will be available following the call.

Item 8.01    Other Events On November 8, 2024, the Company issued a press release announcing the approval by the Board of Directors (the "Board") of the Company of the declaration of a cash dividend of $0.16 per share, payable on December 16, 2024, to stockholders of record at the close of business on December 2, 2024. A copy of the Company’s press release is attached hereto as Exhibit 99.3 and hereby incorporated by reference.

Item 9.01    Financial Statements and Exhibits. (d)Exhibits The following exhibits are being furnished as part of this report:

99.1 Press Release of Advanced Drainage Systems, Inc., dated November 8, 2024, regarding earnings

99.2 Presentation slides, dated November 8, 2024, regarding earnings

99.3 Press Release of Advanced Drainage Systems, Inc., dated November 8, 2024, regarding dividend

104 Cover Page Interactive Data File (embedded within the Inline XBRL document)

1

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

ADVANCED DRAINAGE SYSTEMS, INC.

Date: November 8, 2024By:/s/ Scott A. Cottrill Name:Scott A. Cottrill Title:EVP, CFO & Secretary

2

2024
Q2

Q2 2024 Earnings

8-K

Aug 8, 2024

0001604028-24-000029

wms-202408080001604028False00016040282024-08-082024-08-08

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 8, 2024

ADVANCED DRAINAGE SYSTEMS, INC.

(Exact name of Registrant as Specified in Its Charter)

Delaware001-3655751-0105665 (State or Other Jurisdiction of Incorporation) (Commission File Number)(IRS Employer Identification No.)

4640 Trueman Boulevard, 43026 Hilliard,Ohio (Address of Principal Executive Offices) (Zip Code)

Registrant’s Telephone Number, Including Area Code: (614) 658-0050 Not Applicable (Former Name or Former Address, if Changed Since Last Report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instructions A.2. below):

☐Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) ☐Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) ☐Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) ☐Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each class Trading Symbol(s) Name of each exchange on which registered Common Stock, $0.01 par value per share WMS New York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§ 230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§ 240.12b-2 of this chapter). Emerging growth company ☐ If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 2.02    Results of Operations and Financial Condition On August 8, 2024, Advanced Drainage Systems, Inc. (the "Company") issued a press release setting forth the Company’s unaudited results for the fiscal first quarter ended June 30, 2024. A copy of the Company’s press release with the results is being furnished as Exhibit 99.1 and hereby incorporated by reference. The information furnished pursuant to this Item 2.02, including Exhibit 99.1, shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934 (the "Exchange Act") or otherwise subject to the liabilities under Section 18 of the Exchange Act and shall not be deemed to be incorporated by reference into any filing of the Company under the Securities Act of 1933 or the Exchange Act.

Item 7.01    Regulation FD Disclosure As previously announced, at 10:00 a.m. (Eastern time) on August 8, 2024, the Company’s President and Chief Executive Officer, Scott Barbour, and Chief Financial Officer, Scott Cottrill, will host a conference call and webcast to discuss the Company’s unaudited results for the first quarter ended June 30, 2024. A copy of the Company’s slides forming the basis of the presentation is being furnished as Exhibit 99.2 and hereby incorporated by reference. The live webcast will also be accessible via the "Events Calendar" section of the Company’s Investor Relations website, www.investors.ads-pipe.com. An archived version of the webcast will be available following the call.

Item 8.01    Other Events On August 8, 2024, the Company issued a press release announcing the approval by the Board of Directors (the "Board") of the Company of the declaration of a cash dividend of $0.16 per share, payable on September 13, 2024, to stockholders of record at the close of business on August 30, 2024. A copy of the Company’s press release is attached hereto as Exhibit 99.3 and hereby incorporated by reference.

Item 9.01    Financial Statements and Exhibits. (d)Exhibits The following exhibits are being furnished as part of this report:

99.1 Press Release of Advanced Drainage Systems, Inc., dated August 8, 2024, regarding earnings

99.2 Presentation slides, dated August 8, 2024, regarding earnings

99.3 Press Release of Advanced Drainage Systems, Inc., dated August 8, 2024, regarding dividend

104 Cover Page Interactive Data File (embedded within the Inline XBRL document)

1

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

ADVANCED DRAINAGE SYSTEMS, INC.

Date: August 8, 2024By:/s/ Scott A. Cottrill Name:Scott A. Cottrill Title:EVP, CFO & Secretary

2

2024
Q1

Q1 2024 Earnings

8-K

May 16, 2024

0001604028-24-000008

wms-202405160001604028False00016040282024-05-162024-05-16

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 16, 2024

ADVANCED DRAINAGE SYSTEMS, INC.

(Exact name of Registrant as Specified in Its Charter)

Delaware001-3655751-0105665 (State or Other Jurisdiction of Incorporation) (Commission File Number)(IRS Employer Identification No.)

4640 Trueman Boulevard, 43026 Hilliard,Ohio (Address of Principal Executive Offices) (Zip Code)

Registrant’s Telephone Number, Including Area Code: (614) 658-0050 Not Applicable (Former Name or Former Address, if Changed Since Last Report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instructions A.2. below):

☐Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) ☐Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) ☐Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) ☐Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each class Trading Symbol(s) Name of each exchange on which registered Common Stock, $0.01 par value per share WMS New York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§ 230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§ 240.12b-2 of this chapter). Emerging growth company ☐ If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 2.02    Results of Operations and Financial Condition On May 16, 2024, Advanced Drainage Systems, Inc. (the "Company") issued a press release setting forth the Company’s unaudited results for the fourth quarter and fiscal year ended March 31, 2024. A copy of the Company’s press release with the results is being furnished as Exhibit 99.1 and hereby incorporated by reference. The information furnished pursuant to this Item 2.02, including Exhibit 99.1, shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934 (the "Exchange Act") or otherwise subject to the liabilities under Section 18 of the Exchange Act and shall not be deemed to be incorporated by reference into any filing of the Company under the Securities Act of 1933 or the Exchange Act.

Item 7.01    Regulation FD Disclosure As previously announced, at 10:00 a.m. (Eastern time) on May 16, 2024, the Company’s President and Chief Executive Officer, Scott Barbour, and Chief Financial Officer, Scott Cottrill, will host a conference call and webcast to discuss the Company’s unaudited results for the fourth quarter and fiscal year ended March 31, 2024. A copy of the Company’s slides forming the basis of the presentation is being furnished as Exhibit 99.2 and hereby incorporated by reference. The live webcast will also be accessible via the "Events Calendar" section of the Company’s Investor Relations website, www.investors.ads-pipe.com. An archived version of the webcast will be available for 90 days following the call.

The information furnished pursuant to this Item 7.01, including Exhibit 99.2, shall not be deemed “filed” for purposes of Section 18 of the Exchange Act or otherwise subject to the liabilities under Section 18 of the Exchange Act and shall not be deemed to be incorporated by reference into any filing of the Company under the Securities Act of 1933 or the Exchange Act.

Item 8.01    Other Events On May 16, 2024, the Company issued a press release announcing the approval by the Board of Directors (the "Board") of the Company of the declaration of a cash dividend of $0.16 per share, payable on June 14, 2024, to stockholders of record at the close of business on May 31, 2024. A copy of the Company’s press release is attached hereto as Exhibit 99.3 and hereby incorporated by reference.

Item 9.01    Financial Statements and Exhibits. (d)Exhibits The following exhibits are being furnished as part of this report:

99.1 Press Release of Advanced Drainage Systems, Inc., dated May 16, 2024, regarding earnings

99.2 Presentation slides, dated May 16, 2024, regarding earnings

99.3 Press Release of Advanced Drainage Systems, Inc., dated May 16, 2024, regarding dividend

104 Cover Page Interactive Data File (embedded within the Inline XBRL document)

1

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this repor

2023
Q4

Q4 2023 Earnings

8-K

Feb 8, 2024

0001604028-24-000003

wms-202402080001604028False00016040282024-02-082024-02-08

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 8, 2024

ADVANCED DRAINAGE SYSTEMS, INC.

(Exact name of Registrant as Specified in Its Charter)

Delaware001-3655751-0105665 (State or Other Jurisdiction of Incorporation) (Commission File Number)(IRS Employer Identification No.)

4640 Trueman Boulevard, 43026 Hilliard,Ohio (Address of Principal Executive Offices) (Zip Code)

Registrant’s Telephone Number, Including Area Code: (614) 658-0050 Not Applicable (Former Name or Former Address, if Changed Since Last Report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instructions A.2. below):

☐Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) ☐Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) ☐Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) ☐Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each class Trading Symbol(s) Name of each exchange on which registered Common Stock, $0.01 par value per share WMS New York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§ 230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§ 240.12b-2 of this chapter). Emerging growth company ☐ If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 2.02    Results of Operations and Financial Condition On February 8, 2024, Advanced Drainage Systems, Inc. (the "Company") issued a press release setting forth the Company’s unaudited results for the fiscal third quarter ended December 31, 2023. A copy of the Company’s press release with the results is being furnished as Exhibit 99.1 and hereby incorporated by reference. The information furnished pursuant to this Item 2.02, including Exhibit 99.1, shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934 (the "Exchange Act") or otherwise subject to the liabilities under Section 18 of the Exchange Act and shall not be deemed to be incorporated by reference into any filing of the Company under the Securities Act of 1933 or the Exchange Act.

Item 7.01    Regulation FD Disclosure As previously announced, at 10:00 a.m. (Eastern time) on February 8, 2024, the Company’s President and Chief Executive Officer, Scott Barbour, and Chief Financial Officer, Scott Cottrill, will host a conference call and webcast to discuss the Company’s unaudited results for the third quarter ended December 31, 2024. A copy of the Company’s slides forming the basis of the presentation is being furnished as Exhibit 99.2 and hereby incorporated by reference. The live webcast will also be accessible via the "Events Calendar" section of the Company’s Investor Relations website, www.investors.ads-pipe.com. An archived version of the webcast will be available following the call.

Item 8.01    Other Events On February 8, 2024, the Company issued a press release announcing the approval by the Board of Directors (the "Board") of the Company of the declaration of a cash dividend of $0.14 per share, payable on March 15, 2024, to stockholders of record at the close of business on March 1, 2024. A copy of the Company’s press release is attached hereto as Exhibit 99.3 and hereby incorporated by reference.

Item 9.01    Financial Statements and Exhibits. (d)Exhibits The following exhibits are being furnished as part of this report:

99.1 Press Release of Advanced Drainage Systems, Inc., dated February 8, 2024, regarding earnings

99.2 Presentation slides, dated February 8, 2024, regarding earnings

99.3 Press Release of Advanced Drainage Systems, Inc., dated February 8, 2024, regarding dividend

104 Cover Page Interactive Data File (embedded within the Inline XBRL document)

1

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

ADVANCED DRAINAGE SYSTEMS, INC.

Date: February 8, 2024By:/s/ Scott A. Cottrill Name:Scott A. Cottrill Title:EVP, CFO & Secretary

2

2023
Q3

Q3 2023 Earnings

8-K

Nov 2, 2023

0001604028-23-000047

wms-202311020001604028False00016040282023-11-022023-11-02

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 2, 2023

ADVANCED DRAINAGE SYSTEMS, INC.

(Exact name of Registrant as Specified in Its Charter)

Delaware001-3655751-0105665 (State or Other Jurisdiction of Incorporation) (Commission File Number)(IRS Employer Identification No.)

4640 Trueman Boulevard, 43026 Hilliard,Ohio (Address of Principal Executive Offices) (Zip Code)

Registrant’s Telephone Number, Including Area Code: (614) 658-0050 Not Applicable (Former Name or Former Address, if Changed Since Last Report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instructions A.2. below):

☐Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) ☐Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) ☐Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) ☐Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each class Trading Symbol(s) Name of each exchange on which registered Common Stock, $0.01 par value per share WMS New York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§ 230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§ 240.12b-2 of this chapter). Emerging growth company ☐ If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 2.02    Results of Operations and Financial Condition On November 2, 2023, Advanced Drainage Systems, Inc. (the "Company") issued a press release setting forth the Company’s unaudited results for the fiscal second quarter ended September 30, 2023. A copy of the Company’s press release with the results is being furnished as Exhibit 99.1 and hereby incorporated by reference. The information furnished pursuant to this Item 2.02, including Exhibit 99.1, shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934 (the "Exchange Act") or otherwise subject to the liabilities under Section 18 of the Exchange Act and shall not be deemed to be incorporated by reference into any filing of the Company under the Securities Act of 1933 or the Exchange Act.

Item 7.01    Regulation FD Disclosure As previously announced, at 10:00 a.m. (Eastern time) on November 2, 2023, the Company’s President and Chief Executive Officer, Scott Barbour, and Chief Financial Officer, Scott Cottrill, will host a conference call and webcast to discuss the Company’s unaudited results for the second quarter ended September 30, 2023. A copy of the Company’s slides forming the basis of the presentation is being furnished as Exhibit 99.2 and hereby incorporated by reference. The live webcast will also be accessible via the "Events Calendar" section of the Company’s Investor Relations website, www.investors.ads-pipe.com. An archived version of the webcast will be available following the call.

Item 8.01    Other Events On November 2, 2023, the Company issued a press release announcing the approval by the Board of Directors (the "Board") of the Company of the declaration of a cash dividend of $0.14 per share, payable on December 15, 2023, to stockholders of record at the close of business on December 1, 2023. A copy of the Company’s press release is attached hereto as Exhibit 99.3 and hereby incorporated by reference.

Item 9.01    Financial Statements and Exhibits. (d)Exhibits The following exhibits are being furnished as part of this report:

99.1 Press Release of Advanced Drainage Systems, Inc., dated November 2, 2023, regarding earnings

99.2 Presentation slides, dated November 2, 2023, regarding earnings

99.3 Press Release of Advanced Drainage Systems, Inc., dated November 2, 2023, regarding dividend

104 Cover Page Interactive Data File (embedded within the Inline XBRL document)

1

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

ADVANCED DRAINAGE SYSTEMS, INC.

Date: November 2, 2023By:/s/ Scott A. Cottrill Name:Scott A. Cottrill Title:EVP, CFO & Secretary

2

2023
Q2

Q2 2023 Earnings

8-K

Aug 3, 2023

0001604028-23-000033

wms-202308030001604028False00016040282023-08-032023-08-03

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 3, 2023

ADVANCED DRAINAGE SYSTEMS, INC.

(Exact name of Registrant as Specified in Its Charter)

Delaware001-3655751-0105665 (State or Other Jurisdiction of Incorporation) (Commission File Number)(IRS Employer Identification No.)

4640 Trueman Boulevard, 43026 Hilliard,Ohio (Address of Principal Executive Offices) (Zip Code)

Registrant’s Telephone Number, Including Area Code: (614) 658-0050 Not Applicable (Former Name or Former Address, if Changed Since Last Report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instructions A.2. below):

☐Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) ☐Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) ☐Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) ☐Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each class Trading Symbol(s) Name of each exchange on which registered Common Stock, $0.01 par value per share WMS New York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§ 230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§ 240.12b-2 of this chapter). Emerging growth company ☐ If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 2.02    Results of Operations and Financial Condition On August 3, 2023, Advanced Drainage Systems, Inc. (the "Company") issued a press release setting forth the Company’s unaudited results for the fiscal first quarter ended June 30, 2023. A copy of the Company’s press release with the results is being furnished as Exhibit 99.1 and hereby incorporated by reference. The information furnished pursuant to this Item 2.02, including Exhibit 99.1, shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934 (the "Exchange Act") or otherwise subject to the liabilities under Section 18 of the Exchange Act and shall not be deemed to be incorporated by reference into any filing of the Company under the Securities Act of 1933 or the Exchange Act.

Item 7.01    Regulation FD Disclosure As previously announced, at 10:00 a.m. (Eastern time) on August 3, 2023, the Company’s President and Chief Executive Officer, Scott Barbour, and Chief Financial Officer, Scott Cottrill, will host a conference call and webcast to discuss the Company’s unaudited results for the first quarter ended June 30, 2023. A copy of the Company’s slides forming the basis of the presentation is being furnished as Exhibit 99.2 and hereby incorporated by reference. The live webcast will also be accessible via the "Events Calendar" section of the Company’s Investor Relations website, www.investors.ads-pipe.com. An archived version of the webcast will be available following the call.

Item 8.01    Other Events On August 3, 2023, the Company issued a press release announcing the approval by the Board of Directors (the "Board") of the Company of the declaration of a cash dividend of $0.14 per share, payable on September 15, 2023, to stockholders of record at the close of business on September 1, 2023. A copy of the Company’s press release is attached hereto as Exhibit 99.3 and hereby incorporated by reference.

Item 9.01    Financial Statements and Exhibits. (d)Exhibits The following exhibits are being furnished as part of this report:

99.1 Press Release of Advanced Drainage Systems, Inc., dated August 3, 2023, regarding earnings

99.2 Presentation slides, dated August 3, 2023, regarding earnings

99.3 Press Release of Advanced Drainage Systems, Inc., dated August 3, 2023, regarding dividend

104 Cover Page Interactive Data File (embedded within the Inline XBRL document)

1

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

ADVANCED DRAINAGE SYSTEMS, INC.

Date: August 3, 2023By:/s/ Scott A. Cottrill Name:Scott A. Cottrill Title:EVP, CFO & Secretary

2

2023
Q1

Q1 2023 Earnings

8-K

May 18, 2023

0001604028-23-000012

wms-202305180001604028False00016040282023-05-182023-05-18

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 18, 2023

ADVANCED DRAINAGE SYSTEMS, INC.

(Exact name of Registrant as Specified in Its Charter)

Delaware001-3655751-0105665 (State or Other Jurisdiction of Incorporation) (Commission File Number)(IRS Employer Identification No.)

4640 Trueman Boulevard, 43026 Hilliard,Ohio (Address of Principal Executive Offices) (Zip Code)

Registrant’s Telephone Number, Including Area Code: (614) 658-0050 Not Applicable (Former Name or Former Address, if Changed Since Last Report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instructions A.2. below):

☐Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) ☐Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) ☐Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) ☐Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each class Trading Symbol(s) Name of each exchange on which registered Common Stock, $0.01 par value per share WMS New York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§ 230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§ 240.12b-2 of this chapter). Emerging growth company ☐ If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 2.02    Results of Operations and Financial Condition On May 18, 2023, Advanced Drainage Systems, Inc. (the "Company") issued a press release setting forth the Company’s unaudited results for the fourth quarter and fiscal year ended March 31, 2023. A copy of the Company’s press release with the results is being furnished as Exhibit 99.1 and hereby incorporated by reference. The information furnished pursuant to this Item 2.02, including Exhibit 99.1, shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934 (the "Exchange Act") or otherwise subject to the liabilities under Section 18 of the Exchange Act and shall not be deemed to be incorporated by reference into any filing of the Company under the Securities Act of 1933 or the Exchange Act.

Item 7.01    Regulation FD Disclosure As previously announced, at 10:00 a.m. (Eastern time) on May 18, 2023, the Company’s President and Chief Executive Officer, Scott Barbour, and Chief Financial Officer, Scott Cottrill, will host a conference call and webcast to discuss the Company’s unaudited results for the fourth quarter and fiscal year ended March 31, 2023. A copy of the Company’s slides forming the basis of the presentation is being furnished as Exhibit 99.2 and hereby incorporated by reference. The live webcast will also be accessible via the "Events Calendar" section of the Company’s Investor Relations website, www.investors.ads-pipe.com. An archived version of the webcast will be available for 90 days following the call.

The information furnished pursuant to this Item 7.01, including Exhibit 99.4, shall not be deemed “filed” for purposes of Section 18 of the Exchange Act or otherwise subject to the liabilities under Section 18 of the Exchange Act and shall not be deemed to be incorporated by reference into any filing of the Company under the Securities Act of 1933 or the Exchange Act.

Item 8.01    Other Events On March 18, 2023, the Company issued a press release announcing the approval by the Board of Directors (the "Board") of the Company of the declaration of a cash dividend of $0.14 per share, payable on June 15, 2023, to stockholders of record at the close of business on June 1, 2023. A copy of the Company’s press release is attached hereto as Exhibit 99.3 and hereby incorporated by reference.

Item 9.01    Financial Statements and Exhibits. (d)Exhibits The following exhibits are being furnished as part of this report:

99.1 Press Release of Advanced Drainage Systems, Inc., dated May 18, 2023, regarding earnings

99.2 Presentation slides, dated May 18, 2023, regarding earnings

99.3 Press Release of Advanced Drainage Systems, Inc., dated May 18, 2023, regarding dividend

104 Cover Page Interactive Data File (embedded within the Inline XBRL document)

1

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this rep

2022
Q4

Q4 2022 Earnings

8-K

Feb 2, 2023

0001604028-23-000006

wms-202302020001604028False00016040282023-02-022023-02-02

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 2, 2023

ADVANCED DRAINAGE SYSTEMS, INC.

(Exact name of Registrant as Specified in Its Charter)

Delaware001-3655751-0105665 (State or Other Jurisdiction of Incorporation) (Commission File Number)(IRS Employer Identification No.)

4640 Trueman Boulevard, 43026 Hilliard,Ohio (Address of Principal Executive Offices) (Zip Code)

Registrant’s Telephone Number, Including Area Code: (614) 658-0050 Not Applicable (Former Name or Former Address, if Changed Since Last Report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instructions A.2. below):

☐Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) ☐Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) ☐Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) ☐Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each class Trading Symbol(s) Name of each exchange on which registered Common Stock, $0.01 par value per share WMS New York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§ 230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§ 240.12b-2 of this chapter). Emerging growth company ☐ If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 2.02    Results of Operations and Financial Condition On February 2, 2023, Advanced Drainage Systems, Inc. (the "Company") issued a press release setting forth the Company’s unaudited results for the fiscal third quarter ended December 31, 2022. A copy of the Company’s press release with the results is being furnished as Exhibit 99.1 and hereby incorporated by reference. The information furnished pursuant to this Item 2.02, including Exhibit 99.1, shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934 (the "Exchange Act") or otherwise subject to the liabilities under Section 18 of the Exchange Act and shall not be deemed to be incorporated by reference into any filing of the Company under the Securities Act of 1933 or the Exchange Act.

Item 7.01    Regulation FD Disclosure As previously announced, at 10:00 a.m. (Eastern time) on February 2, 2023, the Company’s President and Chief Executive Officer, Scott Barbour, and Chief Financial Officer, Scott Cottrill, will host a conference call and webcast to discuss the Company’s unaudited results for the third quarter ended December 31, 2022. A copy of the Company’s slides forming the basis of the presentation is being furnished as Exhibit 99.2 and hereby incorporated by reference. The live webcast will also be accessible via the "Events Calendar" section of the Company’s Investor Relations website, www.investors.ads-pipe.com. An archived version of the webcast will be available following the call.

Item 8.01    Other Events On February 2, 2023, the Company issued a press release announcing the approval by the Board of Directors (the "Board") of the Company of the declaration of a cash dividend of $0.12 per share, payable on March 15, 2023, to stockholders of record at the close of business on March 1, 2023. A copy of the Company’s press release is attached hereto as Exhibit 99.3 and hereby incorporated by reference.

Item 9.01    Financial Statements and Exhibits. (d)Exhibits The following exhibits are being furnished as part of this report:

99.1 Press Release of Advanced Drainage Systems, Inc., dated February 2, 2023, regarding earnings

99.2 Presentation slides, dated February 2, 2023, regarding earnings

99.3 Press Release of Advanced Drainage Systems, Inc., dated February 2, 2023, regarding dividend

104 Cover Page Interactive Data File (embedded within the Inline XBRL document)

1

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

ADVANCED DRAINAGE SYSTEMS, INC.

Date: February 2, 2023By:/s/ Scott A. Cottrill Name:Scott A. Cottrill Title:EVP, CFO & Secretary

2

2022
Q3

Q3 2022 Earnings

8-K

Nov 3, 2022

0001604028-22-000058

wms-202211030001604028False00016040282022-11-032022-11-03

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 3, 2022

ADVANCED DRAINAGE SYSTEMS, INC.

(Exact name of Registrant as Specified in Its Charter)

Delaware001-3655751-0105665 (State or Other Jurisdiction of Incorporation) (Commission File Number)(IRS Employer Identification No.)

4640 Trueman Boulevard, 43026 Hilliard,Ohio (Address of Principal Executive Offices) (Zip Code)

Registrant’s Telephone Number, Including Area Code: (614) 658-0050 Not Applicable (Former Name or Former Address, if Changed Since Last Report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instructions A.2. below):

☐Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) ☐Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) ☐Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) ☐Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each class Trading Symbol(s) Name of each exchange on which registered Common Stock, $0.01 par value per share WMS New York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§ 230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§ 240.12b-2 of this chapter). Emerging growth company ☐ If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 2.02    Results of Operations and Financial Condition On November 3, 2022, Advanced Drainage Systems, Inc. (the "Company") issued a press release setting forth the Company’s unaudited results for the fiscal second quarter ended September 30, 2022. A copy of the Company’s press release with the results is being furnished as Exhibit 99.1 and hereby incorporated by reference. The information furnished pursuant to this Item 2.02, including Exhibit 99.1, shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934 (the "Exchange Act") or otherwise subject to the liabilities under Section 18 of the Exchange Act and shall not be deemed to be incorporated by reference into any filing of the Company under the Securities Act of 1933 or the Exchange Act.

Item 7.01    Regulation FD Disclosure As previously announced, at 10:00 a.m. (Eastern time) on November 3, 2022, the Company’s President and Chief Executive Officer, Scott Barbour, and Chief Financial Officer, Scott Cottrill, will host a conference call and webcast to discuss the Company’s unaudited results for the second quarter ended September 30, 2022. A copy of the Company’s slides forming the basis of the presentation is being furnished as Exhibit 99.2 and hereby incorporated by reference. The live webcast will also be accessible via the "Events Calendar" section of the Company’s Investor Relations website, www.investors.ads-pipe.com. An archived version of the webcast will be available following the call.

Item 8.01    Other Events On November 3, 2022, the Company issued a press release announcing the approval by the Board of Directors (the "Board") of the Company of the declaration of a cash dividend of $0.12 per share, payable on December 15, 2022, to stockholders of record at the close of business on December 1, 2022. A copy of the Company’s press release is attached hereto as Exhibit 99.3 and hereby incorporated by reference.

Item 9.01    Financial Statements and Exhibits. (d)Exhibits The following exhibits are being furnished as part of this report:

99.1 Press Release of Advanced Drainage Systems, Inc., dated November 3, 2022, regarding earnings

99.2 Presentation slides, dated November 3, 2022, regarding earnings

99.3 Press Release of Advanced Drainage Systems, Inc., dated November 3, 2022, regarding dividend

104 Cover Page Interactive Data File (embedded within the Inline XBRL document)

1

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

ADVANCED DRAINAGE SYSTEMS, INC.

Date: November 3, 2022By:/s/ Scott A. Cottrill Name:Scott A. Cottrill Title:EVP, CFO & Secretary

2

2022
Q2

Q2 2022 Earnings

8-K

Aug 4, 2022

0001604028-22-000045

wms-202208040001604028False00016040282022-08-042022-08-04

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 4, 2022

ADVANCED DRAINAGE SYSTEMS, INC.

(Exact name of Registrant as Specified in Its Charter)

Delaware001-3655751-0105665 (State or Other Jurisdiction of Incorporation) (Commission File Number)(IRS Employer Identification No.)

4640 Trueman Boulevard, 43026 Hilliard,Ohio (Address of Principal Executive Offices) (Zip Code)

Registrant’s Telephone Number, Including Area Code: (614) 658-0050 Not Applicable (Former Name or Former Address, if Changed Since Last Report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instructions A.2. below):

☐Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) ☐Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) ☐Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) ☐Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each class Trading Symbol(s) Name of each exchange on which registered Common Stock, $0.01 par value per share WMS New York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§ 230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§ 240.12b-2 of this chapter). Emerging growth company ☐ If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 2.02    Results of Operations and Financial Condition On August 4, 2022, Advanced Drainage Systems, Inc. (the "Company") issued a press release setting forth the Company’s unaudited results for the fiscal first quarter ended June 30, 2022. A copy of the Company’s press release with the results is being furnished as Exhibit 99.1 and hereby incorporated by reference. The information furnished pursuant to this Item 2.02, including Exhibit 99.1, shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934 (the "Exchange Act") or otherwise subject to the liabilities under Section 18 of the Exchange Act and shall not be deemed to be incorporated by reference into any filing of the Company under the Securities Act of 1933 or the Exchange Act.

Item 7.01    Regulation FD Disclosure As previously announced, at 10:00 a.m. (Eastern time) on August 4, 2022, the Company’s President and Chief Executive Officer, Scott Barbour, and Chief Financial Officer, Scott Cottrill, will host a conference call and webcast to discuss the Company’s unaudited results for the fiscal first quarter ended June 30, 2022. A copy of the Company’s slides forming the basis of the presentation is being furnished as Exhibit 99.2 and hereby incorporated by reference. The live webcast will also be accessible via the "Events Calendar" section of the Company’s Investor Relations website, www.investors.ads-pipe.com. An archived version of the webcast will be available following the call.

Item 8.01    Other Events On August 4, 2022, the Company issued a press release announcing the approval by the Board of Directors (the "Board") of the Company of the declaration of a cash dividend of $0.12 per share, payable on September 15, 2022, to stockholders of record at the close of business on September 1, 2022. A copy of the Company’s press release is attached hereto as Exhibit 99.3 and hereby incorporated by reference.

Item 9.01    Financial Statements and Exhibits. (d)Exhibits The following exhibits are being furnished as part of this report:

99.1 Press Release of Advanced Drainage Systems, Inc., dated August 4, 2022, regarding earnings

99.2 Presentation slides, dated August 4, 2022, regarding earnings

99.3 Press Release of Advanced Drainage Systems, Inc., dated August 4, 2022, regarding dividend

104 Cover Page Interactive Data File (embedded within the Inline XBRL document)

1

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

ADVANCED DRAINAGE SYSTEMS, INC.

Date: August 4, 2022By:/s/ Scott A. Cottrill Name:Scott A. Cottrill Title:EVP, CFO & Secretary

2

2022
Q1

Q1 2022 Earnings

8-K

May 19, 2022

0001604028-22-000020

wms-202205180001604028False00016040282022-05-182022-05-18

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 18, 2022

ADVANCED DRAINAGE SYSTEMS, INC.

(Exact name of Registrant as Specified in Its Charter)

Delaware001-3655751-0105665 (State or Other Jurisdiction of Incorporation) (Commission File Number)(IRS Employer Identification No.)

4640 Trueman Boulevard, 43026 Hilliard,Ohio (Address of Principal Executive Offices) (Zip Code)

Registrant’s Telephone Number, Including Area Code: (614) 658-0050 Not Applicable (Former Name or Former Address, if Changed Since Last Report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instructions A.2. below):

☐Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) ☐Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) ☐Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) ☐Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each class Trading Symbol(s) Name of each exchange on which registered Common Stock, $0.01 par value per share WMS New York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§ 230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§ 240.12b-2 of this chapter). Emerging growth company ☐ If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 2.02    Results of Operations and Financial Condition On May 19, 2022, Advanced Drainage Systems, Inc. (the "Company") issued a press release setting forth the Company’s unaudited results for the fourth quarter and fiscal year ended March 31, 2022. A copy of the Company’s press release with the results is being furnished as Exhibit 99.1 and hereby incorporated by reference. The information furnished pursuant to this Item 2.02, including Exhibit 99.1, shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934 (the "Exchange Act") or otherwise subject to the liabilities under Section 18 of the Exchange Act and shall not be deemed to be incorporated by reference into any filing of the Company under the Securities Act of 1933 or the Exchange Act.

Item 5.02 Departure of Directors or Certain Officers

On May 18, 2022, C. Robert Kidder notified the Company’s Board of Directors (the “Board”) his decision not to stand for re-election as a director at the Company’s 2022 annual meeting of stockholders. The decision of Mr. Kidder not to stand for re-election was not a result of any disagreement with the Company or the Board.

Item 7.01    Regulation FD Disclosure As previously announced, at 10:00 a.m. (Eastern time) on May 19, 2022, the Company’s President and Chief Executive Officer, Scott Barbour, and Chief Financial Officer, Scott Cottrill, will host a conference call and webcast to discuss the Company’s unaudited results for the fourth quarter and fiscal year ended March 31, 2022. A copy of the Company’s slides forming the basis of the presentation is being furnished as Exhibit 99.2 and hereby incorporated by reference. The live webcast will also be accessible via the "Events Calendar" section of the Company’s Investor Relations website, www.investors.ads-pipe.com. An archived version of the webcast will be available for 90 days following the call.

On May 19, 2022, the Company issued a press release announcing Mr. Kidder’s decision mentioned in Item 5.02, the Board’s decision to elect current director, Robert M. Eversole, to succeed Mr. Kidder as Board Chair, and the formation of a formal Sustainability Committee. A copy of the Company’s press release is being furnished as Exhibit 99.4 and hereby incorporated by reference.

The information furnished pursuant to this Item 7.01, including Exhibit 99.4, shall not be deemed “filed” for purposes of Section 18 of the Exchange Act or otherwise subject to the liabilities under Section 18 of the Exchange Act and shall not be deemed to be incorporated by reference into any filing of the Company under the Securities Act of 1933 or the Exchange Act.

Item 8.01    Other Events On March 19, 2022, the Company issued a press release announcing the approval by the Board of Directors (the "Board") of the Company of the declaration of a cash dividend of $0.12 per share, payable on June 15

2021
Q4

Q4 2021 Earnings

8-K

Feb 3, 2022

0001604028-22-000004

wms-202202030001604028False00016040282022-02-032022-02-03

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 3, 2022

ADVANCED DRAINAGE SYSTEMS, INC.

(Exact name of Registrant as Specified in Its Charter)

Delaware001-3655751-0105665 (State or Other Jurisdiction of Incorporation) (Commission File Number)(IRS Employer Identification No.)

4640 Trueman Boulevard, 43026 Hilliard,Ohio (Address of Principal Executive Offices) (Zip Code)

Registrant’s Telephone Number, Including Area Code: (614) 658-0050 Not Applicable (Former Name or Former Address, if Changed Since Last Report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instructions A.2. below):

☐Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) ☐Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) ☐Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) ☐Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each class Trading Symbol(s) Name of each exchange on which registered Common Stock, $0.01 par value per share WMS New York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§ 230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§ 240.12b-2 of this chapter). Emerging growth company ☐ If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 2.02    Results of Operations and Financial Condition On February 3, 2022, Advanced Drainage Systems, Inc. (the "Company") issued a press release setting forth the Company’s unaudited results for the third quarter ended December 31, 2021. A copy of the Company’s press release with the results is being furnished as Exhibit 99.1 and hereby incorporated by reference. The information furnished pursuant to this Item 2.02, including Exhibit 99.1, shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934 (the "Exchange Act") or otherwise subject to the liabilities under Section 18 of the Exchange Act and shall not be deemed to be incorporated by reference into any filing of the Company under the Securities Act of 1933 or the Exchange Act.

Item 7.01    Regulation FD Disclosure As previously announced, at 10:00 a.m. (Eastern time) on February 3, 2022, the Company’s President and Chief Executive Officer, Scott Barbour, and Chief Financial Officer, Scott Cottrill, will host a conference call and webcast to discuss the Company’s unaudited results for the third quarter ended December 31, 2021. A copy of the Company’s slides forming the basis of the presentation is being furnished as Exhibit 99.2 and hereby incorporated by reference. The live webcast will also be accessible via the "Events Calendar" section of the Company’s Investor Relations website, www.investors.ads-pipe.com. An archived version of the webcast will be available for 90 days following the call.

Item 8.01    Other Events On February 3, 2022, the Company issued a press release announcing the approval by the Board of Directors (the "Board") of the Company of the declaration of a cash dividend of $0.11 per share, payable on March 15, 2022, to stockholders of record at the close of business on March 1, 2022. The press release also announced that the Board has approved a new $1 billion stock repurchase program (the "Repurchase Program"). The Repurchase Program replaces the previously established share repurchase program, which has no remaining available capacity. The Company is now authorized to repurchase, from time to time, as the Company deems appropriate, up to $1 billion of shares of the Company’s common stock ("Common Stock"). Repurchases of shares of Common Stock will be made in accordance with applicable securities laws. The Repurchase Program does not obligate the Company to acquire any particular amount of Common Stock, and it may be suspended or terminated at any time at the Company’s discretion. A copy of the Company’s press release is attached hereto as Exhibit 99.3 and hereby incorporated by reference.

Item 9.01    Financial Statements and Exhibits. (d)Exhibits The following exhibits are being furnished as part of this report:

99.1 Press Release of Advanced Drainage Systems, Inc., dated February 3, 2022, regarding earnings

99.2 Presentation slides, dated

2021
Q3

Q3 2021 Earnings

8-K

Nov 4, 2021

0001604028-21-000010

wms-202111040001604028False00016040282021-11-042021-11-04

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 4, 2021

ADVANCED DRAINAGE SYSTEMS, INC.

(Exact name of Registrant as Specified in Its Charter)

Delaware001-3655751-0105665 (State or Other Jurisdiction of Incorporation) (Commission File Number)(IRS Employer Identification No.)

4640 Trueman Boulevard, 43026 Hilliard,Ohio (Address of Principal Executive Offices) (Zip Code)

Registrant’s Telephone Number, Including Area Code: (614) 658-0050 Not Applicable (Former Name or Former Address, if Changed Since Last Report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instructions A.2. below):

☐Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) ☐Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) ☐Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) ☐Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each class Trading Symbol(s) Name of each exchange on which registered Common Stock, $0.01 par value per share WMS New York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§ 230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§ 240.12b-2 of this chapter). Emerging growth company ☐ If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 2.02    Results of Operations and Financial Condition On November 4, 2021, Advanced Drainage Systems, Inc. (the “Company”) issued a press release setting forth the Company’s unaudited results for the second quarter ended September 30, 2021. A copy of the Company’s press release with the results is being furnished as Exhibit 99.1 and hereby incorporated by reference. The information furnished pursuant to this Item 2.02, including Exhibit 99.1, shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934 (the “Exchange Act”) or otherwise subject to the liabilities under Section 18 of the Exchange Act and shall not be deemed to be incorporated by reference into any filing of the Company under the Securities Act of 1933 or the Exchange Act.

Item 7.01    Regulation FD Disclosure As previously announced, at 10:00 a.m. (Eastern time) on November 4, 2021, the Company’s President and Chief Executive Officer, Scott Barbour, and Chief Financial Officer, Scott Cottrill, will host a conference call and webcast to discuss the Company’s unaudited results for the second quarter ended September 30, 2021. A copy of the Company’s slides forming the basis of the presentation is being furnished as Exhibit 99.2 and hereby incorporated by reference. The live webcast will also be accessible via the “Events Calendar” section of the Company’s Investor Relations website, www.investors.ads-pipe.com. An archived version of the webcast will be available for 90 days following the call.

Item 8.01    Other Events On November 4, 2021, the Company issued a press release announcing the approval by the Board of Directors (the “Board”) of the Company of the declaration of a cash dividend of $0.11 per share, payable on December 15, 2021, to stockholders of record at the close of business on December 1, 2021. A copy of the Company’s press release is attached hereto as Exhibit 99.3 and hereby incorporated by reference.

Item 9.01    Financial Statements and Exhibits. (d)Exhibits The following exhibits are being furnished as part of this report:

99.1 Press Release of Advanced Drainage Systems, Inc., dated November 4, 2021 regarding earnings

99.2 Presentation slides, dated November 4, 2021 regarding earnings

99.3 Press Release of Advanced Drainage System, Inc., dated November 4, 2021, regarding dividend

104 Cover Page Interactive Data File (embedded within the Inline XBRL document)

1

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

ADVANCED DRAINAGE SYSTEMS, INC.

Date: November 4, 2021By:/s/ Scott A. Cottrill Name:Scott A. Cottrill Title:EVP, CFO & Secretary

2

2021
Q2

Q2 2021 Earnings

8-K

Aug 5, 2021

0001564590-21-041158

wms-8k_20210805.htm

false 0001604028

0001604028

2021-05-20 2021-05-20

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): August 5, 2021

ADVANCED DRAINAGE SYSTEMS, INC.

(Exact name of Registrant as Specified in Its Charter)

Delaware

001-36557

51-0105665

(State or Other Jurisdiction

of Incorporation)

(Commission File Number)

(IRS Employer

Identification No.)

4640 Trueman Boulevard,

Hilliard, Ohio

43026

(Address of Principal Executive Offices)

(Zip Code)

Registrant’s Telephone Number, Including Area Code: (614) 658-0050

Not Applicable

(Former Name or Former Address, if Changed Since Last Report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instructions A.2. below):

Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each class

Trading

Symbol(s)

Name of each exchange on which registered

Common Stock, $0.01 par value per share

WMS

New York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§ 230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§ 240.12b-2 of this chapter).

Emerging growth company ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 2.02Results of Operations and Financial Condition

On August 5, 2021, Advanced Drainage Systems, Inc. (the “Company”) issued a press release setting forth the Company’s unaudited results for the first quarter ended June 30, 2021. A copy of the Company’s press release with the results is being furnished as Exhibit 99.1 and hereby incorporated by reference.

The information furnished pursuant to this Item 2.02, including Exhibit 99.1, shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934 (the “Exchange Act”) or otherwise subject to the liabilities under Section 18 of the Exchange Act and shall not be deemed to be incorporated by reference into any filing of the Company under the Securities Act of 1933 or the Exchange Act.

Item 7.01Regulation FD Disclosure

As previously announced, at 10:00 a.m. (Eastern time) on August 5, 2021, the Company’s President and Chief Executive Officer, Scott Barbour, and Chief Financial Officer, Scott Cottrill, will host a conference call and webcast to discuss the Company’s unaudited results for the first quarter ended June 30, 2021. A copy of the Company’s slides forming the basis of the presentation is being furnished as Exhibit 99.2 and hereby incorporated by reference.

The live webcast will also be accessible via the “Events Calendar” section of the Company’s Investor Relations website, www.investors.ads-pipe.com. An archived version of the webcast will be available for 90 days following the call.

Item 8.01Other Events

On August 5, 2021, the Company issued a press release announcing the approval by the Board of Directors (the “Board”) of the Company of the declaration of a cash dividend of $0.11 per share, payable on September 15, 2021, to stockholders of record at the close of business on September 1, 2021. A copy of the Company’s press release is attached hereto as Exhibit 99.3 and hereby incorporated by reference.

Item 9.01Financial Statements and Exhibits.

(d)

Exhibits

The following exhibits are being furnished as part of this report:

99.1

Press Release of Advanced Drainage Systems, Inc., dated August 5, 2021 regarding earnings

99.2

Presentation slides, dated August 5, 2021 regarding earnings

99.3

Press Release of Advanced Drainage System, Inc., dated August 5, 2021, regarding dividend

104

Cover Page Interactive Data File (embedded within the Inline XBRL document)

1

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

ADVANCED DRAINAGE SYSTEMS, INC.

Date: August 5, 2021

By:

/s/ Scott A. Cottrill

Name:

Scott A. Cottrill

Title:

EVP, CFO & Secretary

2

2021
Q1

Q1 2021 Earnings

8-K

May 20, 2021

0001564590-21-028955

wms-8k_20210520.htm

false 0001604028

0001604028

2021-05-20 2021-05-20

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): May 20, 2021

ADVANCED DRAINAGE SYSTEMS, INC.

(Exact name of Registrant as Specified in Its Charter)

Delaware

001-36557

51-0105665

(State or Other Jurisdiction

of Incorporation)

(Commission File Number)

(IRS Employer

Identification No.)

4640 Trueman Boulevard,

Hilliard, Ohio

43026

(Address of Principal Executive Offices)

(Zip Code)

Registrant’s Telephone Number, Including Area Code: (614) 658-0050

Not Applicable

(Former Name or Former Address, if Changed Since Last Report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instructions A.2. below):

Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each class

Trading

Symbol(s)

Name of each exchange on which registered

Common Stock, $0.01 par value per share

WMS

New York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§ 230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§ 240.12b-2 of this chapter).

Emerging growth company ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 2.02Results of Operations and Financial Condition

On May 20, 2021, Advanced Drainage Systems, Inc. (the “Company”) issued a press release setting forth the Company’s unaudited results for the fourth quarter and fiscal year ended March 31, 2021. A copy of the Company’s press release with the results is being furnished as Exhibit 99.1 and hereby incorporated by reference.

The information furnished pursuant to this Item 2.02, including Exhibit 99.1, shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934 (the “Exchange Act”) or otherwise subject to the liabilities under Section 18 of the Exchange Act and shall not be deemed to be incorporated by reference into any filing of the Company under the Securities Act of 1933 or the Exchange Act.

Item 7.01Regulation FD Disclosure

As previously announced, at 10:00 a.m. (Eastern time) on May 20, 2021, the Company’s President and Chief Executive Officer, Scott Barbour, and Chief Financial Officer, Scott Cottrill, will host a conference call and webcast to discuss the Company’s unaudited results for the fourth quarter and fiscal year ended March 31, 2021. A copy of the Company’s slides forming the basis of the presentation is being furnished as Exhibit 99.2 and hereby incorporated by reference.

Participants may register for this conference call by pasting the following text into their web browser: http://www.directeventreg.com/registration/event/3072617. After registering, participants will receive a confirmation through email, including dial in details and unique conference call codes for entry. Registration is open through the live call. The live webcast will also be accessible via the “Events Calendar” section of the Company’s Investor Relations website, www.investors.ads-pipe.com. An archived version of the webcast will be available for 90 days following the call.

Item 8.01Other Events

On May 20, 2021, the Company issued a press release announcing the approval by the Board of Directors (the “Board”) of the Company of the declaration of a cash dividend of $0.11 per share, payable on June 15, 2021, to stockholders of record at the close of business on June 1, 2021. The press release also announced that the Board has approved a $250 million increase in the Company’s existing stock repurchase program (the “Repurchase Program”).  With this increase, the Company is now authorized to repurchase, from time to time, as the Company deems appropriate, up to $292 million of shares of the Company’s common stock (“Common Stock”), which increased amount is inclusive of the remaining $42.1 million available for repurchase under the Repurchase Program.  Repurchases of shares of Common Stock will be made in accordance with applicable securities laws. The Repurchase Program does not obligate the Company to acquire any particular amount of C

About Advanced Drainage Systems Inc. (WMS) Earnings

This page provides Advanced Drainage Systems Inc. (WMS) earnings call transcripts from SEC 8-K filings along with AI-powered predictions for post-earnings price movements. Our machine learning models analyze historical earnings data, pre-earnings price patterns, volume changes, and volatility to predict 1-day, 5-day, and 20-day returns after each earnings release.

Earnings transcripts are sourced directly from SEC EDGAR filings. Predictions are generated using gradient boosting models trained on WMS's historical earnings reactions. All predicted returns are shown as percentages, and predicted prices are calculated from the closing price at the time of prediction. Past performance does not guarantee future results.

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