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AI Earnings Predictions for Vertex Inc. (VERX)

Machine learning predictions based on historical earnings data and price patterns

Latest Prediction

SELL

1-Day Prediction

-1.62%

$12.62

0% positive prob.

5-Day Prediction

-4.15%

$12.30

0% positive prob.

20-Day Prediction

-2.91%

$12.46

0% positive prob.

Price at prediction: $12.83 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 SELL

Feb 11, 2026 · 100% conf.

AI Prediction SELL

1D

-1.62%

$12.62

Act: -3.59%

5D

-4.15%

$12.30

Act: -0.16%

20D

-2.91%

$12.46

Price: $12.83 Prob +5D: 0% AUC: 1.000
0001104659-26-013015

VERTEX, INC._February 11, 2026 0001806837false00018068372026-02-112026-02-11 ​ ​

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 11, 2026

VERTEX, INC.

(Exact name of registrant as specified in its charter)

Delaware ​ ​ ​ 001-39413 ​ ​ ​ 23-2081753

(State or other jurisdiction of incorporation or organization)

(Commission File Number)

(I.R.S. Employer Identification No.)

​ 2301 Renaissance Blvd. King of Prussia, Pennsylvania 19406 (Address of principal executive offices) (Zip Code) (800) 355-3500 (Registrant’s telephone number, include area code) N/A (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: ☐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

Class A Common Stock, $0.001 par value per share ​

VERX

​ The Nasdaq Stock Market LLC

​ 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 11, 2026, Vertex, Inc. (the “Company”) issued a press release announcing its financial results for the fourth quarter and full year ended December 31, 2025. A copy of the press release is furnished as Exhibit 99.1 to this Current Report on Form 8-K. The information contained in this Item 2.02, including Exhibit 99.1 hereto, shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liabilities of that section, nor shall it be deemed incorporated by reference in any filing made by the Company under the Securities Act of 1933, as amended, or the Exchange Act, regardless of any general incorporation language in such filings, unless expressly incorporated by specific reference in such filing. Item 9.01. Financial Statements and Exhibits. (d) Exhibits. The following exhibit relating to Item 2.02 shall be deemed to be furnished, and not filed: ​ Exhibit No. ​ ​ ​ Description

99.1

Press Release dated February 11, 2026

104 ​ Cover Page Interactive Data File (formatted as inline XBRL and contained in Exhibit 101)

​ ​ ​

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. ​

VERTEX, INC.

Date: February 11, 2026 By: /s/ Bryan Rowland

Name: Bryan Rowland

Title: General Counsel and Secretary

​ ​ ​ ​ ​ ​

2025
Q3

Q3 2025 Earnings

8-K

Nov 3, 2025

0001104659-25-105239

VERTEX, INC._ October 30, 2025 0001806837false00018068372025-10-302025-10-30 ​ ​

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): October 30, 2025

VERTEX, INC.

(Exact name of registrant as specified in its charter)

Delaware

001-39413

23-2081753

(State or other jurisdiction of incorporation or organization)

(Commission File Number)

(I.R.S. Employer Identification No.)

​ 2301 Renaissance Blvd. King of Prussia, Pennsylvania 19406 (Address of principal executive offices) (Zip Code) (800) 355-3500 (Registrant’s telephone number, include area code) N/A (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: ☐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

Class A Common Stock, $0.001 par value per share ​

VERX

​ The Nasdaq Stock Market LLC

​ 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, 2025, Vertex, Inc. (the “Company”) issued a press release announcing its financial results for the third quarter ended September 30, 2025 and the adoption of its first-ever stock repurchase program. A copy of the press release is furnished as Exhibit 99.1 to this Current Report on Form 8-K. The information contained in this Item 2.02, including Exhibit 99.1 hereto, shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liabilities of that section, nor shall it be deemed incorporated by reference in any filing made by the Company under the Securities Act of 1933, as amended, or the Exchange Act, regardless of any general incorporation language in such filings, unless expressly incorporated by specific reference in such filing. Item 8.01. Other Events. On October 30, 2025, the Company’s Board of Directors authorized a stock repurchase program for up to $150 million of the Company's outstanding shares of Class A common stock (the “Repurchase Program”). Under the Repurchase Program, share repurchases may be made from time to time in one or more open market or privately negotiated transactions, and/or through other legally permissible means in accordance with applicable rules and regulations promulgated under the Exchange Act. The timing and amount of any shares repurchased will be determined by the Company's management based on its evaluation of market conditions and other factors. Repurchases may also be made under a Rule 10b5-1 plan, which would permit shares to be repurchased when the Company might otherwise be precluded from doing so under insider trading laws. Any repurchased shares will be available for use in connection with the Company’s stock plans and for other corporate purposes. The Repurchase Program has no termination date and may be modified, suspended or discontinued at any time. Item 9.01. Financial Statements and Exhibits. (d) Exhibits. The following exhibit relating to Item 2.02 and Item 8.01 shall be deemed to be furnished, and not filed: ​ Exhibit No.

Description

99.1

Press Release dated November 3, 2025

104 ​ Cover Page Interactive Data File (formatted as inline XBRL and contained in Exhibit 101)

​ ​ ​

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. ​

VERTEX, INC.

Date: November 3, 2025 By: /s/ Bryan Rowland

Name: Bryan Rowland

Title: General Counsel and Secretary

​ ​ ​ ​ ​ ​

2025
Q3

Q3 2025 Earnings

8-K

Oct 21, 2025

0001104659-25-101040

false 0001806837

0001806837

2025-10-20 2025-10-20

iso4217:USD

xbrli:shares

iso4217:USD

xbrli:shares

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): October 20, 2025

VERTEX, INC.

(Exact name of registrant as specified in its charter)

Delaware

001-39413

23-2081753

(State or other jurisdiction

of incorporation or organization)

(Commission File Number)

(I.R.S. Employer

Identification No.)

2301 Renaissance Blvd.

King of Prussia, Pennsylvania 19406

(Address of principal executive offices) (Zip Code)

(800) 355-3500

(Registrant’s telephone number, include area code)

N/A

(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:

¨ 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

Class A common stock, $0.001 par value per share

VERX

The Nasdaq Stock Market LLC

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 October 21, 2025, Vertex, Inc. (the “Company”) issued a press release announcing certain preliminary results for the three months ended September 30, 2025. A copy of the press release is furnished as Exhibit 99.1 hereto and is incorporated by reference herein.

Item 5.02          Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers.

On October 21, 2025, the Company announced that David DeStefano, the Company’s Chief Executive Officer, President and Chairperson of the board of directors of the Company (the “Board”), will retire as an executive officer of the Company effective as of November 10, 2025 (the “Retirement Date”). In connection with his retirement, Mr. DeStefano entered into a Retirement Agreement and Release with the Company (the “Retirement Agreement”), pursuant to which he will continue to advise the Company’s management team and perform such other services as may be reasonably requested from time to time by the Chief Executive Officer of the Company until December 31, 2025. The Company may extend the consulting period for additional one-month periods but not beyond March 31, 2026. Mr. DeStefano will remain as Chairperson of the Board. Pursuant to the Retirement Agreement, the Company will pay Mr. DeStefano a fee equal to $235,000 for the consulting services through December 31, 2025. If the Company extends the consulting period beyond December 31, 2025, the monthly fee will be equal to $50,000. Mr. DeStefano will remain eligible for his annual bonus for 2025, and his outstanding restricted stock units will continue to vest while he provides the consulting services and while he serves on the Board.

Mr. DeStefano executed a general release and waiver of claims against the Company. Mr. DeStefano continues to be bound by the confidentiality and restrictive covenant provisions set forth in his Executive Employment Agreement with the Company, dated July 6, 2020, which provides for non-competition and non-solicitation restrictions for two years following the Retirement Date and restrictions on the disclosure and use of confidential information at any time following the Retirement Date.

In connection with Mr. DeStefano’s retirement, the Board appointed Christopher Young as Chief Executive Officer, President and a Class III director of the Company effective as of November 10, 2025 (the “Commencement Date”). Prior to joining the Company, Mr. Young, age 53, served as Executive Vice President – Business Development, Strategy and Ventures of Microsoft Corp. from 2020-2025. He is currently a member of the board of directors for QUALCOMM Incorporated and American Express Company. From 2017 to 2020, he was the CEO of McAfee, LLC, one of the w

2025
Q2

Q2 2025 Earnings

8-K

Aug 6, 2025

0001558370-25-010402

0001806837false00018068372025-08-062025-08-06 ​ ​

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): August 6, 2025

VERTEX, INC.

(Exact name of registrant as specified in its charter)

Delaware

001-39413

23-2081753

(State or other jurisdiction of incorporation or organization)

(Commission File Number)

(I.R.S. Employer Identification No.)

​ 2301 Renaissance Blvd. King of Prussia, Pennsylvania 19406 (Address of principal executive offices) (Zip Code) (800) 355-3500 (Registrant’s telephone number, include area code) N/A (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: ☐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

Class A Common Stock, $0.001 par value per share ​

VERX

​ The Nasdaq Stock Market LLC

​ 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 6, 2025, Vertex, Inc. (the “Company”) issued a press release announcing its financial results for the second quarter ended June 30, 2025. A copy of the press release is furnished as Exhibit 99.1 to this Current Report on Form 8-K. The information contained in this Item 2.02, including Exhibit 99.1 hereto, shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liabilities of that section, nor shall it be deemed incorporated by reference in any filing made by the Company under the Securities Act of 1933, as amended, or the Exchange Act, regardless of any general incorporation language in such filings, unless expressly incorporated by specific reference in such filing. Item 9.01. Financial Statements and Exhibits. (d) Exhibits. The following exhibit relating to Item 2.02 shall be deemed to be furnished, and not filed: ​ Exhibit No.

Description

99.1

Press Release dated August 6, 2025

104 ​ Cover Page Interactive Data File (formatted as inline XBRL and contained in Exhibit 101)

​ ​ ​

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. ​

VERTEX, INC.

Date: August 6, 2025 By: /s/ Bryan Rowland

Name: Bryan Rowland

Title: General Counsel and Secretary

​ ​ ​ ​ ​ ​

2025
Q1

Q1 2025 Earnings

8-K

May 7, 2025

0001558370-25-006607

0001806837false00018068372025-05-072025-05-07 ​ ​

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): May 7, 2025

VERTEX, INC.

(Exact name of registrant as specified in its charter)

Delaware

001-39413

23-2081753

(State or other jurisdiction of incorporation or organization)

(Commission File Number)

(I.R.S. Employer Identification No.)

​ 2301 Renaissance Blvd. King of Prussia, Pennsylvania 19406 (Address of principal executive offices) (Zip Code) (800) 355-3500 (Registrant’s telephone number, include area code) N/A (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: ☐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

Class A Common Stock, $0.001 par value per share ​

VERX

​ The Nasdaq Stock Market LLC

​ 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 7, 2025, Vertex, Inc. (the “Company”) issued a press release announcing its financial results for the first quarter ended March 31, 2025. A copy of the press release is furnished as Exhibit 99.1 to this Current Report on Form 8-K. The information contained in this Item 2.02, including Exhibit 99.1 hereto, shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liabilities of that section, nor shall it be deemed incorporated by reference in any filing made by the Company under the Securities Act of 1933, as amended, or the Exchange Act, regardless of any general incorporation language in such filings, unless expressly incorporated by specific reference in such filing. Item 9.01. Financial Statements and Exhibits. (d) Exhibits. The following exhibit relating to Item 2.02 shall be deemed to be furnished, and not filed: ​ Exhibit No.

Description

99.1

Press Release dated May 7, 2025

104 ​ Cover Page Interactive Data File (formatted as inline XBRL and contained in Exhibit 101)

​ ​ ​

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. ​

VERTEX, INC.

Date: May 7, 2025 By: /s/ Bryan Rowland

Name: Bryan Rowland

Title: General Counsel and Secretary

​ ​ ​ ​ ​ ​

2024
Q4

Q4 2024 Earnings

8-K

Feb 27, 2025

0001558370-25-001684

0001806837false00018068372025-02-272025-02-27 ​ ​

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 27, 2025

VERTEX, INC.

(Exact name of registrant as specified in its charter)

Delaware

001-39413

23-2081753

(State or other jurisdiction of incorporation or organization)

(Commission File Number)

(I.R.S. Employer Identification No.)

​ 2301 Renaissance Blvd. King of Prussia, Pennsylvania 19406 (Address of principal executive offices) (Zip Code) (800) 355-3500 (Registrant’s telephone number, include area code) N/A (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: ☐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

Class A Common Stock, $0.001 par value per share ​

VERX

​ The Nasdaq Stock Market LLC

​ 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 27, 2025, Vertex, Inc. (the “Company”) issued a press release announcing its financial results for the fourth quarter and full year ended December 31, 2024. A copy of the press release is furnished as Exhibit 99.1 to this Current Report on Form 8-K. The information contained in this Item 2.02, including Exhibit 99.1 hereto, shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liabilities of that section, nor shall it be deemed incorporated by reference in any filing made by the Company under the Securities Act of 1933, as amended, or the Exchange Act, regardless of any general incorporation language in such filings, unless expressly incorporated by specific reference in such filing. Item 9.01. Financial Statements and Exhibits. (d) Exhibits. The following exhibit relating to Item 2.02 shall be deemed to be furnished, and not filed: ​ Exhibit No.

Description

99.1

Press Release dated February 27, 2025

104 ​ Cover Page Interactive Data File (formatted as inline XBRL and contained in Exhibit 101)

​ ​ ​

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. ​

VERTEX, INC.

Date: February 27, 2025 By: /s/ Bryan Rowland

Name: Bryan Rowland

Title: General Counsel and Secretary

​ ​ ​ ​ ​ ​

2024
Q3

Q3 2024 Earnings

8-K

Nov 6, 2024

0001558370-24-014524

0001806837falsefalse00018068372024-11-062024-11-06 ​ ​

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, 2024

VERTEX, INC.

(Exact name of registrant as specified in its charter)

Delaware

001-39413

23-2081753

(State or other jurisdiction of incorporation or organization)

(Commission File Number)

(I.R.S. Employer Identification No.)

​ 2301 Renaissance Blvd. King of Prussia, Pennsylvania 19406 (Address of principal executive offices) (Zip Code) (800) 355-3500 (Registrant’s telephone number, include area code) N/A (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: ☐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

Class A Common Stock, $0.001 par value per share ​

VERX

​ The Nasdaq Stock Market LLC

​ 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, 2024, Vertex, Inc. (the “Company”) issued a press release announcing its financial results for the third quarter ended September 30, 2024. A copy of the press release is furnished as Exhibit 99.1 to this Current Report on Form 8-K. The information contained in this Item 2.02, including Exhibit 99.1 hereto, shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liabilities of that section, nor shall it be deemed incorporated by reference in any filing made by the Company under the Securities Act of 1933, as amended, or the Exchange Act, regardless of any general incorporation language in such filings, unless expressly incorporated by specific reference in such filing. Item 9.01. Financial Statements and Exhibits. (d) Exhibits. The following exhibit relating to Item 2.02 shall be deemed to be furnished, and not filed: ​ Exhibit No.

Description

99.1

Press Release dated November 6, 2024

104 ​ Cover Page Interactive Data File (formatted as inline XBRL and contained in Exhibit 101)

​ ​ ​

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. ​

VERTEX, INC.

Date: November 6, 2024 By: /s/ Bryan Rowland

Name: Bryan Rowland

Title: General Counsel and Secretary

​ ​ ​ ​ ​ ​

2024
Q2

Q2 2024 Earnings

8-K

Aug 7, 2024

0001558370-24-011204

0001806837falsefalse00018068372024-08-072024-08-07 ​ ​

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, 2024

VERTEX, INC.

(Exact name of registrant as specified in its charter)

Delaware

001-39413

23-2081753

(State or other jurisdiction of incorporation or organization)

(Commission File Number)

(I.R.S. Employer Identification No.)

​ 2301 Renaissance Blvd. King of Prussia, Pennsylvania 19406 (Address of principal executive offices) (Zip Code) (800) 355-3500 (Registrant’s telephone number, include area code) N/A (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: ☐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

Class A Common Stock, $0.001 par value per share ​

VERX

​ The Nasdaq Stock Market LLC

​ 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, 2024, Vertex, Inc. (the “Company”) issued a press release announcing its financial results for the second quarter ended June 30, 2024. A copy of the press release is furnished as Exhibit 99.1 to this Current Report on Form 8-K. The information contained in this Item 2.02, including Exhibit 99.1 hereto, shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liabilities of that section, nor shall it be deemed incorporated by reference in any filing made by the Company under the Securities Act of 1933, as amended, or the Exchange Act, regardless of any general incorporation language in such filings, unless expressly incorporated by specific reference in such filing. Item 9.01. Financial Statements and Exhibits. (d) Exhibits. The following exhibit relating to Item 2.02 shall be deemed to be furnished, and not filed: ​ Exhibit No.

Description

99.1

Press Release dated August 7, 2024

104 ​ Cover Page Interactive Data File (formatted as inline XBRL and contained in Exhibit 101)

​ ​ ​

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. ​

VERTEX, INC.

Date: August 7, 2024 By: /s/ Bryan Rowland

Name: Bryan Rowland

Title: General Counsel and Secretary

​ ​ ​

2024
Q1

Q1 2024 Earnings

8-K

May 8, 2024

0001558370-24-007190

0001806837falsefalse00018068372024-05-082024-05-08 ​ ​

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): May 8, 2024

VERTEX, INC.

(Exact name of registrant as specified in its charter)

Delaware

001-39413

23-2081753

(State or other jurisdiction of incorporation or organization)

(Commission File Number)

(I.R.S. Employer Identification No.)

​ 2301 Renaissance Blvd. King of Prussia, Pennsylvania 19406 (Address of principal executive offices) (Zip Code) (800) 355-3500 (Registrant’s telephone number, include area code) N/A (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: ☐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

Class A Common Stock, $0.001 par value per share ​

VERX

​ The Nasdaq Stock Market LLC

​ 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 8, 2024, Vertex, Inc. (the “Company”) issued a press release announcing its financial results for the first quarter ended March 31, 2024. A copy of the press release is furnished as Exhibit 99.1 to this Current Report on Form 8-K. The information contained in this Item 2.02, including Exhibit 99.1 hereto, shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liabilities of that section, nor shall it be deemed incorporated by reference in any filing made by the Company under the Securities Act of 1933, as amended, or the Exchange Act, regardless of any general incorporation language in such filings, unless expressly incorporated by specific reference in such filing. Item 9.01. Financial Statements and Exhibits. (d) Exhibits. The following exhibit relating to Item 2.02 shall be deemed to be furnished, and not filed: ​ Exhibit No.

Description

99.1

Press Release dated May 8, 2024

104 ​ Cover Page Interactive Data File (formatted as inline XBRL and contained in Exhibit 101)

​ ​ ​

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. ​

VERTEX, INC.

Date: May 8, 2024 By: /s/ Bryan Rowland

Name: Bryan Rowland

Title: General Counsel and Secretary

​ ​ ​

2024
Q1

Q1 2024 Earnings

8-K

Apr 23, 2024

0001558370-24-005432

0001806837falsefalse00018068372024-04-192024-04-19 ​ ​

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): April 19, 2024

VERTEX, INC.

(Exact name of registrant as specified in its charter)

Delaware

001-39413

23-2081753

(State or other jurisdiction of incorporation or organization)

(Commission File Number)

(I.R.S. Employer Identification No.)

​ 2301 Renaissance Blvd. King of Prussia, Pennsylvania 19406 (Address of principal executive offices) (Zip Code) (800) 355-3500 (Registrant’s telephone number, include area code) N/A (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: ☐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

Class A Common Stock, $0.001 par value per share ​

VERX

​ The Nasdaq Stock Market LLC

​ 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 1.01. Entry into a Material Definitive Agreement. Fourth Amendment to Credit Agreement On April 19, 2024, Vertex, Inc. (the “Company”), the guarantors party thereto, PNC Bank, National Association, as administrative agent, and the lenders party thereto entered into the Fourth Amendment to Credit Agreement (the “Fourth Amendment”), which amended the Credit Agreement by and among the Company, the guarantors party thereto, PNC Bank, National Association, as administrative agent, and the lenders party thereto, dated as of March 31, 2020 (as previously amended, the “Credit Agreement”), providing for, among other things, amendment of the definition of “Approved Convertible Debt” in Section 1.1 of the Credit Agreement by deleting the phrase “Two Hundred Million Dollars ($200,000,000)” and inserting in lieu thereof the phrase “Three Hundred Million Dollars ($300,000,000).” The foregoing description of the terms of the Fourth Amendment is qualified in its entirety by reference to the full text of the Fourth Amendment, a copy of which is attached hereto as Exhibit 10.1 and is incorporated herein by reference. Item 2.02. Results of Operations and Financial Condition. On April 22, 2024, the Company issued a press release announcing certain preliminary results for the three months ended March 31, 2024. A copy of the press release is furnished as Exhibit 99.1 hereto and is incorporated by reference herein. Item 7.01. Regulation FD Disclosure. The information in Item 2.02 above is incorporated by reference into this Item 7.01. On April 22, 2024, the Company also issued a press release announcing its intention to offer, subject to market conditions and other factors, $250 million aggregate principal amount of convertible senior notes due 2029 (the “notes”) in a private offering to qualified institutional buyers pursuant to Rule 144A under the Securities Act. A copy of the press release is attached hereto as Exhibit 99.2 and is incorporated herein by reference. The information in Item 2.02 and this Item 7.01, and Exhibits 99.1 and 99.2 hereto, shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liability of that section, nor shall it be deemed incorporated by reference in any of the Company’s filings under the Securities Act of 1933, as amended (the “Securities Act”), or the Exchange Act, whether made before or after the date hereof, regardless of any incorporation language in such a filing, except as expressly set forth by specific reference in such a filing. Neither this Current Report on Form 8-K nor the press releases attached hereto as Exhibit 99.1 or 99.2 constitutes an offer to sell, or the solicitation of an offer to buy, the notes or the shares of the Company’s Class A Common Stock, if any, issuable upon conversion of the notes.

Forward-Looking Statements

This Current Re

2023
Q4

Q4 2023 Earnings

8-K

Feb 29, 2024

0001558370-24-002104

0001806837falsefalse00018068372024-02-292024-02-29 ​ ​

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 29, 2024

VERTEX, INC.

(Exact name of registrant as specified in its charter)

Delaware

001-39413

23-2081753

(State or other jurisdiction of incorporation or organization)

(Commission File Number)

(I.R.S. Employer Identification No.)

​ 2301 Renaissance Blvd. King of Prussia, Pennsylvania 19406 (Address of principal executive offices) (Zip Code) (800) 355-3500 (Registrant’s telephone number, include area code) N/A (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: ☐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

Class A common stock, $0.001 par value per share ​

VERX

​ The Nasdaq Stock Market LLC

​ 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 29, 2024, Vertex, Inc. (the “Company”) issued a press release announcing its financial results for the fourth quarter and full year ended December 31, 2023. A copy of the press release is furnished as Exhibit 99.1 to this Current Report on Form 8-K. The information contained in this Item 2.02, including Exhibit 99.1 hereto, shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liabilities of that section, nor shall it be deemed incorporated by reference in any filing made by the Company under the Securities Act of 1933, as amended, or the Exchange Act, regardless of any general incorporation language in such filings, unless expressly incorporated by specific reference in such filing. Item 9.01. Financial Statements and Exhibits. (d) Exhibits. The following exhibit relating to Item 2.02 shall be deemed to be furnished, and not filed: ​ Exhibit No.

Description

99.1

Press Release dated February 29, 2024

104 ​ Cover Page Interactive Data File (formatted as inline XBRL and contained in Exhibit 101)

​ ​ ​

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. ​

VERTEX, INC.

Date: February 29, 2024 By: /s/ Bryan Rowland

Name: Bryan Rowland

Title: General Counsel and Secretary

​ ​ ​

2023
Q3

Q3 2023 Earnings

8-K

Nov 9, 2023

0001558370-23-018417

0001806837false00018068372023-11-092023-11-09 ​ ​

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 9, 2023

VERTEX, INC.

(Exact name of registrant as specified in its charter)

Delaware

001-39413

23-2081753

(State or other jurisdiction of incorporation or organization)

(Commission File Number)

(I.R.S. Employer Identification No.)

​ 2301 Renaissance Blvd. King of Prussia, Pennsylvania 19406 (Address of principal executive offices) (Zip Code) (800) 355-3500 (Registrant’s telephone number, include area code) N/A (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: ☐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

Class A common stock, $0.001 par value per share ​

VERX

​ The Nasdaq Stock Market LLC

​ 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 9, 2023, Vertex, Inc. (the “Company”) issued a press release announcing its financial results for the third quarter ended September 30, 2023.  A copy of the press release is furnished as Exhibit 99.1 to this Current Report on Form 8-K. The information contained in this Item 2.02, including Exhibit 99.1 hereto, shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liabilities of that section, nor shall it be deemed incorporated by reference in any filing made by the Company under the Securities Act of 1933, as amended, or the Exchange Act, regardless of any general incorporation language in such filings, unless expressly incorporated by specific reference in such filing. Item 9.01. Financial Statements and Exhibits. (d) Exhibits. The following exhibit relating to Item 2.02 shall be deemed to be furnished, and not filed: ​ Exhibit No.

Description

99.1

Press Release dated November 9, 2023

104 ​ Cover Page Interactive Data File (formatted as inline XBRL and contained in Exhibit 101)

​ ​ ​

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. ​

VERTEX, INC.

Date: November 9, 2023 By: /s/ Bryan Rowland

Name: Bryan Rowland

Title: General Counsel and Secretary

​ ​ ​

2023
Q2

Q2 2023 Earnings

8-K

Aug 9, 2023

0001558370-23-014081

0001806837false00018068372023-08-092023-08-09 ​ ​

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 9, 2023

VERTEX, INC.

(Exact name of registrant as specified in its charter)

Delaware

001-39413

23-2081753

(State or other jurisdiction of incorporation or organization)

(Commission File Number)

(I.R.S. Employer Identification No.)

​ 2301 Renaissance Blvd. King of Prussia, Pennsylvania 19406 (Address of principal executive offices) (Zip Code) (800) 355-3500 (Registrant’s telephone number, include area code) N/A (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: ☐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

Class A common stock, $0.001 par value per share ​

VERX

​ The Nasdaq Stock Market LLC

​ 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 9, 2023, Vertex, Inc. (the “Company”) issued a press release announcing its financial results for the second quarter ended June 30, 2023.  A copy of the press release is furnished as Exhibit 99.1 to this Current Report on Form 8-K. The information contained in this Item 2.02, including Exhibit 99.1 hereto, shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liabilities of that section, nor shall it be deemed incorporated by reference in any filing made by the Company under the Securities Act of 1933, as amended, or the Exchange Act, regardless of any general incorporation language in such filings, unless expressly incorporated by specific reference in such filing. Item 9.01. Financial Statements and Exhibits. (d) Exhibits. The following exhibit relating to Item 2.02 shall be deemed to be furnished, and not filed: ​ Exhibit No.

Description

99.1

Press Release dated August 9, 2023

104 ​ Cover Page Interactive Data File (formatted as inline XBRL and contained in Exhibit 101)

​ ​ ​

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. ​

VERTEX, INC.

Date: August 9, 2023 By: /s/ Bryan Rowland

Name: Bryan Rowland

Title: General Counsel and Secretary

​ ​ ​

2023
Q1

Q1 2023 Earnings

8-K

May 10, 2023

0001558370-23-008958

0001806837false00018068372023-05-102023-05-10 ​ ​

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 10, 2023

VERTEX, INC.

(Exact name of registrant as specified in its charter)

Delaware

001-39413

23-2081753

(State or other jurisdiction of incorporation or organization)

(Commission File Number)

(I.R.S. Employer Identification No.)

​ 2301 Renaissance Blvd. King of Prussia, Pennsylvania 19406 (Address of principal executive offices) (Zip Code) (800) 355-3500 (Registrant’s telephone number, include area code) N/A (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: ☐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

Class A common stock, $0.001 par value per share ​

VERX

​ The Nasdaq Stock Market LLC

​ 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 10, 2023, Vertex, Inc. (the “Company”) issued a press release announcing its financial results for the first quarter ended March 31, 2023.  A copy of the press release is furnished as Exhibit 99.1 to this Current Report on Form 8-K. The information contained in this Item 2.02, including Exhibit 99.1 hereto, shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liabilities of that section, nor shall it be deemed incorporated by reference in any filing made by the Company under the Securities Act of 1933, as amended, or the Exchange Act, regardless of any general incorporation language in such filings, unless expressly incorporated by specific reference in such filing. Item 9.01. Financial Statements and Exhibits. (d) Exhibits. The following exhibit relating to Item 2.02 shall be deemed to be furnished, and not filed: ​ Exhibit No.

Description

99.1

Press Release dated May 10, 2023

104 ​ Cover Page Interactive Data File (formatted as inline XBRL and contained in Exhibit 101)

​ ​ ​

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. ​

VERTEX, INC.

Date: May 10, 2023 By: /s/ Bryan Rowland

Name: Bryan Rowland

Title: General Counsel and Secretary

​ ​ ​

2022
Q4

Q4 2022 Earnings

8-K

Mar 8, 2023

0001558370-23-003084

0001806837false00018068372023-03-082023-03-08 ​ ​

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): March 8, 2023

VERTEX, INC.

(Exact name of registrant as specified in its charter)

Delaware

001-39413

23-2081753

(State or other jurisdiction of incorporation or organization)

(Commission File Number)

(I.R.S. Employer Identification No.)

​ 2301 Renaissance Blvd. King of Prussia, Pennsylvania 19406 (Address of principal executive offices) (Zip Code) (800) 355-3500 (Registrant’s telephone number, include area code) N/A (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: ☐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

Class A common stock, $0.001 par value per share ​

VERX

​ The Nasdaq Stock Market LLC

​ 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 March 8, 2023, Vertex, Inc. (the “Company”) issued a press release announcing its financial results for the fourth quarter and full year ended December 31, 2022.  A copy of the press release is furnished as Exhibit 99.1 to this Current Report on Form 8-K. The information contained in this Item 2.02, including Exhibit 99.1 hereto, shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liabilities of that section, nor shall it be deemed incorporated by reference in any filing made by the Company under the Securities Act of 1933, as amended, or the Exchange Act, regardless of any general incorporation language in such filings, unless expressly incorporated by specific reference in such filing. Item 9.01. Financial Statements and Exhibits. (d) Exhibits. The following exhibit relating to Item 2.02 shall be deemed to be furnished, and not filed: ​ Exhibit No.

Description

99.1

Press Release dated March 8, 2023

104 ​ Cover Page Interactive Data File (formatted as inline XBRL and contained in Exhibit 101)

​ ​ ​

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. ​

VERTEX, INC.

Date: March 8, 2023 By: /s/ Bryan Rowland

Name: Bryan Rowland

Title: General Counsel and Secretary

​ ​ ​

2022
Q3

Q3 2022 Earnings

8-K

Nov 9, 2022

0001558370-22-017007

0001806837false00018068372022-08-092022-08-09 ​ ​

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 9, 2022

VERTEX, INC.

(Exact name of registrant as specified in its charter)

Delaware

001-39413

23-2081753

(State or other jurisdiction of incorporation or organization)

(Commission File Number)

(I.R.S. Employer Identification No.)

​ 2301 Renaissance Blvd. King of Prussia, Pennsylvania 19406 (Address of principal executive offices) (Zip Code) (800) 355-3500 (Registrant’s telephone number, include area code) N/A (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: ☐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

Class A common stock, $0.001 par value per share ​

VERX

​ The Nasdaq Stock Market LLC

​ 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 9, 2022, Vertex, Inc. (the “Company”) issued a press release announcing its financial results for the third quarter ended September 30, 2022. A copy of the press release is furnished as Exhibit 99.1 to this Current Report on Form 8-K. The information contained in this Item 2.02, including Exhibit 99.1 hereto, shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liabilities of that section, nor shall it be deemed incorporated by reference in any filing made by the Company under the Securities Act of 1933, as amended, or the Exchange Act, regardless of any general incorporation language in such filings, unless expressly incorporated by specific reference in such filing. Item 9.01. Financial Statements and Exhibits. (d) Exhibits. The following exhibit relating to Item 2.02 shall be deemed to be furnished, and not filed: ​ Exhibit No.

Description

99.1

Press Release dated November 9, 2022.

104 ​ Cover Page Interactive Data File (formatted as inline XBRL and contained in Exhibit 101)

​ ​ ​

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. ​

VERTEX, INC.

Date: November 9, 2022 By: /s/ Bryan Rowland

Name: Bryan Rowland

Title: General Counsel and Secretary

​ ​ ​

2022
Q2

Q2 2022 Earnings

8-K

Aug 9, 2022

0001558370-22-012740

0001806837false00018068372022-08-092022-08-09 ​ ​

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 9, 2022

VERTEX, INC.

(Exact name of registrant as specified in its charter)

Delaware

001-39413

23-2081753

(State or other jurisdiction of incorporation or organization)

(Commission File Number)

(I.R.S. Employer Identification No.)

​ 2301 Renaissance Blvd. King of Prussia, Pennsylvania 19406 (Address of principal executive offices) (Zip Code) (800) 355-3500 (Registrant’s telephone number, include area code) N/A (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: ☐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

Class A common stock, $0.001 par value per share ​

VERX

​ The Nasdaq Stock Market LLC

​ 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 9, 2022, Vertex, Inc. (the “Company”) issued a press release announcing its financial results for the second quarter ended June 30, 2022. A copy of the press release is furnished as Exhibit 99.1 to this Current Report on Form 8-K. The information contained in this Item 2.02, including Exhibit 99.1 hereto, shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liabilities of that section, nor shall it be deemed incorporated by reference in any filing made by the Company under the Securities Act of 1933, as amended, or the Exchange Act, regardless of any general incorporation language in such filings, unless expressly incorporated by specific reference in such filing. Item 9.01. Financial Statements and Exhibits. (d) Exhibits. The following exhibit relating to Item 2.02 shall be deemed to be furnished, and not filed: ​ Exhibit No.

Description

99.1

Press Release dated August 9, 2022.

104 ​ Cover Page Interactive Data File (formatted as inline XBRL and contained in Exhibit 101)

​ ​ ​

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. ​

VERTEX, INC.

Date: August 9, 2022 By: /s/ Bryan Rowland

Name: Bryan Rowland

Title: General Counsel and Secretary

​ ​ ​

2022
Q1

Q1 2022 Earnings

8-K

May 10, 2022

0001558370-22-007956

0001806837false00018068372022-05-102022-05-10 ​ ​

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 10, 2022

VERTEX, INC.

(Exact name of registrant as specified in its charter)

Delaware

001-39413

23-2081753

(State or other jurisdiction of incorporation or organization)

(Commission File Number)

(I.R.S. Employer Identification No.)

​ 2301 Renaissance Blvd. King of Prussia, Pennsylvania 19406 (Address of principal executive offices) (Zip Code) (800) 355-3500 (Registrant’s telephone number, include area code) N/A (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: ☐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

Class A common stock, $0.001 par value per share ​

VERX

​ The Nasdaq Stock Market LLC

​ 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 10, 2022, Vertex, Inc. (the “Company”) issued a press release announcing its financial results for the first quarter ended March 31, 2022. A copy of the press release is furnished as Exhibit 99.1 to this Current Report on Form 8-K. The information contained in this Item 2.02, including Exhibit 99.1 hereto, shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liabilities of that section, nor shall it be deemed incorporated by reference in any filing made by the Company under the Securities Act of 1933, as amended, or the Exchange Act, regardless of any general incorporation language in such filings, unless expressly incorporated by specific reference in such filing. Item 9.01. Financial Statements and Exhibits. (d) Exhibits. The following exhibit relating to Item 2.02 shall be deemed to be furnished, and not filed: ​ Exhibit No.

Description

99.1

Press Release dated May 10, 2022.

104 ​ Cover Page Interactive Data File (formatted as inline XBRL and contained in Exhibit 101)

​ ​ ​

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. ​

VERTEX, INC.

Date: May 10, 2022 By: /s/ Bryan Rowland

Name: Bryan Rowland

Title: General Counsel and Secretary

​ ​ ​

2021
Q4

Q4 2021 Earnings

8-K

Mar 9, 2022

0001558370-22-003103

0001806837false00018068372022-03-092022-03-09 ​ ​

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): March 9, 2022

VERTEX, INC.

(Exact name of registrant as specified in its charter)

Delaware

001-39413

23-2081753

(State or other jurisdiction of incorporation or organization)

(Commission File Number)

(I.R.S. Employer Identification No.)

​ 2301 Renaissance Blvd. King of Prussia, Pennsylvania 19406 (Address of principal executive offices) (Zip Code) (800) 355-3500 (Registrant’s telephone number, include area code) N/A (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: ☐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

Class A common stock, $0.001 par value per share ​

VERX

​ The Nasdaq Stock Market LLC

​ 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 March 9, 2022, Vertex, Inc. (the “Company”) issued a press release announcing its financial results for the fourth quarter ended December 31, 2021. A copy of the press release is furnished as Exhibit 99.1 to this Current Report on Form 8-K. The information contained in this Item 2.02, including Exhibit 99.1 hereto, shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liabilities of that section, nor shall it be deemed incorporated by reference in any filing made by the Company under the Securities Act of 1933, as amended, or the Exchange Act, regardless of any general incorporation language in such filings, unless expressly incorporated by specific reference in such filing. Item 9.01. Financial Statements and Exhibits. (d) Exhibits. The following exhibit relating to Item 2.02 shall be deemed to be furnished, and not filed: ​ Exhibit No.

Description

99.1

Press Release dated March 9, 2022.

104 ​ Cover Page Interactive Data File (formatted as inline XBRL and contained in Exhibit 101)

​ ​ ​

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. ​

VERTEX, INC.

Date: March 9, 2022 By: /s/ Bryan Rowland

Name: Bryan Rowland

Title: General Counsel and Secretary

​ ​ ​

2021
Q3

Q3 2021 Earnings

8-K

Nov 10, 2021

0001558370-21-015388

0001806837false00018068372021-11-102021-11-10 ​ ​

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 10, 2021

VERTEX, INC.

(Exact name of registrant as specified in its charter)

Delaware

001-39413

23-2081753

(State or other jurisdiction of incorporation or organization)

(Commission File Number)

(I.R.S. Employer Identification No.)

​ 2301 Renaissance Blvd. King of Prussia, Pennsylvania 19406 (Address of principal executive offices) (Zip Code) (800) 355-3500 (Registrant’s telephone number, include area code) N/A (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: ☐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

Class A common stock, $0.001 par value per share ​

VERX

​ The Nasdaq Stock Market LLC

​ 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 10, 2021, Vertex, Inc. (the “Company”) issued a press release announcing its financial results for the quarter ended September 30, 2021. A copy of the press release is furnished as Exhibit 99.1 to this Current Report on Form 8-K. The information contained in this Item 2.02, including Exhibit 99.1 hereto, shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liabilities of that section, nor shall it be deemed incorporated by reference in any filing made by the Company under the Securities Act of 1933, as amended, or the Exchange Act, regardless of any general incorporation language in such filings, unless expressly incorporated by specific reference in such filing. Item 9.01. Financial Statements and Exhibits. (d) Exhibits. The following exhibit relating to Item 2.02 shall be deemed to be furnished, and not filed: ​ Exhibit No.

Description

99.1

Press Release dated November 10, 2021.

104 ​ Cover Page Interactive Data File (formatted as inline XBRL and contained in Exhibit 101)

​ ​ ​

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. ​

VERTEX, INC.

Date: November 10, 2021 By: /s/ Bryan Rowland

Name: Bryan Rowland

Title: General Counsel and Secretary

​ ​ ​

About Vertex Inc. (VERX) Earnings

This page provides Vertex Inc. (VERX) 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 VERX'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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