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Sterling Infrastructure Inc is a construction company that specializes in heavy civil infrastructure construction and infrastructure rehabilitation as well as residential construction projects. The company operates in three reportable segments namely, Transportation Solutions, E-Infrastructure Solutions, and Building Solution. Transportation Solutions include highways, roads, bridges, airfields, ports, light rail, and others. Building Solution projects include concrete foundations for single-family homes. E-Infrastructure Solutions include the services which are provided to large, blue-chip companies in the e-commerce, data center, distribution center, and warehousing, energy, mixed-use, and multi-family sectors. The majority of the revenue is generated from E-Infrastructure Solutions.

Founded: 1955 Country:
United States
United States
Employees: 1740 City: THE WOODLANDS
Market Cap: 9.4B IPO Year: 1996
Target Price: $443.33 AVG Volume (30 days): 534.9K
Analyst Decision: Buy Number of Analysts: 3
Dividend Yield:
N/A
Dividend Payout Frequency: N/A
EPS: 9.38 EPS Growth: 13.42
52 Week Low/High: $96.34 - $477.03 Next Earning Date: 05-28-2026
Revenue: $957,958,000 Revenue Growth: 38.81%
Revenue Growth (this year): 20.76% Revenue Growth (next year): 11.64%
P/E Ratio: 43.66 Index: N/A
Free Cash Flow: 362.7M FCF Growth: -12.85%

Stock Insider Trading Activity of Sterling Infrastructure Inc. (STRL)

Dill Julie

Director

Sell
STRL Mar 9, 2026

Avg Cost/Share

$384.28

Shares

4,500

Total Value

$1,729,245.60

Owned After

17,853

SEC Form 4

Sell
STRL Feb 9, 2026

Avg Cost/Share

$410.00

Shares

2,000

Total Value

$820,000.00

Owned After

11,498

SEC Form 4

Sell
STRL Feb 6, 2026

Avg Cost/Share

$395.00

Shares

2,000

Total Value

$790,000.00

Owned After

11,498

STRL Jan 16, 2026

Avg Cost/Share

$350.00

Shares

2,860

Total Value

$1,001,000.00

Owned After

14,749

SEC Form 4

Earnings Transcripts

SEC 8-K filings with transcript text

View All
2025
Q4

Q4 2025 Earnings

8-K BUY

Feb 25, 2026 · 100% conf.

AI Prediction BUY

1D

+6.16%

$484.09

Act: -4.97%

5D

+11.29%

$507.50

Act: -7.84%

20D

+12.74%

$514.11

Price: $456.02 Prob +5D: 100% AUC: 1.000
0000874238-26-000018

strl-20260225FALSE000087423800008742382026-02-252026-02-25

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 25, 2026

STERLING INFRASTRUCTURE, INC.

(Exact name of registrant as specified in its charter)

Delaware001-3199325-1655321 (State or other jurisdiction of incorporation or organization)(Commission File Number)(I.R.S. Employer Identification No.)

1800 Hughes Landing Blvd. The Woodlands, Texas

77380

(Address of principal executive offices)(Zip Code)

Registrant’s telephone number, including area code:  (281) 214-0777

Securities registered pursuant to Section 12(b) of the Act: Common Stock, $0.01 par value per shareSTRLThe NASDAQ Stock Market LLC (Title of Class)(Trading Symbol)(Name of each exchange on which registered)

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))

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (17 CFR §230.405) or Rule 12b-2 of the Securities Exchange Act of 1934 (17 CFR § 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 25, 2026, Sterling Infrastructure, Inc. (the “Company”) issued a press release announcing financial results for the three and twelve months ended December 31, 2025 and providing full year 2026 guidance. The press release is being furnished with this Current Report on Form 8-K as Exhibit 99.1 and is incorporated herein by reference.

The information provided in this Item 2.02 shall not be deemed to be “filed” for the 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, unless the Company specifically states that the information is to be considered “filed” under the Exchange Act, nor shall it be incorporated by reference in any filing made by the Company pursuant to the Exchange Act or the Securities Act of 1933, as amended (the “Securities Act”), other than to the extent that such filing incorporates by reference any or all of such information by express reference thereto.

Item 7.01     Regulation FD Disclosure.

On February 26, 2026, the Company will host a conference call to discuss the fourth quarter and full year 2025 results as well as corporate developments. The slides to be used during the conference call are being furnished with this Current Report on Form 8-K as Exhibit 99.2 and are incorporated herein by reference.

The information provided in this Item 7.01 shall not be deemed to be “filed” for the purposes of Section 18 of the Exchange Act, or otherwise subject to the liabilities of that section, unless the Company specifically states that the information is to be considered “filed” under the Exchange Act, nor shall it be incorporated by reference in any filing made by the Company pursuant to the Exchange Act or the Securities Act, other than to the extent that such filing incorporates by reference any or all of such information by express reference thereto.

Item 9.01     Financial Statements and Exhibits. (d)    Exhibits

Exhibit Number Description 99.1Press release, dated February 25, 2026

99.2Presentation slides, dated February 26, 2026

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

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.

STERLING INFRASTRUCTURE, INC.

Date:February 25, 2026 By:/s/ Nicholas Grindstaff Nicholas Grindstaff Chief Financial Officer

2025
Q3

Q3 2025 Earnings

8-K

Nov 3, 2025

0000874238-25-000133

strl-20251103FALSE000087423800008742382025-11-032025-11-03

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, 2025

STERLING INFRASTRUCTURE, INC.

(Exact name of registrant as specified in its charter)

Delaware001-3199325-1655321 (State or other jurisdiction of incorporation or organization)(Commission File Number)(I.R.S. Employer Identification No.)

1800 Hughes Landing Blvd. The Woodlands, Texas

77380

(Address of principal executive offices)(Zip Code)

Registrant’s telephone number, including area code:  (281) 214-0777

Securities registered pursuant to Section 12(b) of the Act: Common Stock, $0.01 par value per shareSTRLThe NASDAQ Stock Market LLC (Title of Class)(Trading Symbol)(Name of each exchange on which registered)

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))

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (17 CFR §230.405) or Rule 12b-2 of the Securities Exchange Act of 1934 (17 CFR § 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, Sterling Infrastructure, Inc. (the “Company”) issued a press release announcing financial results for the three and nine months ended September 30, 2025 and providing updated full year 2025 guidance. The press release is being furnished with this Current Report on Form 8-K as Exhibit 99.1 and is incorporated herein by reference.

The information provided in this Item 2.02 shall not be deemed to be “filed” for the 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, unless the Company specifically states that the information is to be considered “filed” under the Exchange Act, nor shall it be incorporated by reference in any filing made by the Company pursuant to the Exchange Act or the Securities Act of 1933, as amended (the “Securities Act”), other than to the extent that such filing incorporates by reference any or all of such information by express reference thereto.

Item 7.01     Regulation FD Disclosure.

On November 4, 2025, the Company will host a conference call to discuss the third quarter 2025 results as well as corporate developments. The slides to be used during the conference call are being furnished with this Current Report on Form 8-K as Exhibit 99.2 and are incorporated herein by reference.

The information provided in this Item 7.01 shall not be deemed to be “filed” for the purposes of Section 18 of the Exchange Act, or otherwise subject to the liabilities of that section, unless the Company specifically states that the information is to be considered “filed” under the Exchange Act, nor shall it be incorporated by reference in any filing made by the Company pursuant to the Exchange Act or the Securities Act, other than to the extent that such filing incorporates by reference any or all of such information by express reference thereto.

Item 9.01     Financial Statements and Exhibits. (d)    Exhibits

Exhibit Number Description 99.1Press release, dated November 3, 2025

99.2Presentation slides, dated November 4, 2025

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

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.

STERLING INFRASTRUCTURE, INC.

Date:November 3, 2025 By:/s/ Nicholas Grindstaff Nicholas Grindstaff Chief Financial Officer

2025
Q2

Q2 2025 Earnings

8-K

Aug 4, 2025

0000874238-25-000119

strl-20250804FALSE000087423800008742382025-08-042025-08-04

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, 2025

STERLING INFRASTRUCTURE, INC.

(Exact name of registrant as specified in its charter)

Delaware001-3199325-1655321 (State or other jurisdiction of incorporation or organization)(Commission File Number)(I.R.S. Employer Identification No.)

1800 Hughes Landing Blvd. The Woodlands, Texas

77380

(Address of principal executive offices)(Zip Code)

Registrant’s telephone number, including area code:  (281) 214-0777

Securities registered pursuant to Section 12(b) of the Act: Common Stock, $0.01 par value per shareSTRLThe NASDAQ Stock Market LLC (Title of Class)(Trading Symbol)(Name of each exchange on which registered)

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))

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (17 CFR §230.405) or Rule 12b-2 of the Securities Exchange Act of 1934 (17 CFR § 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, 2025, Sterling Infrastructure, Inc. (the “Company”) issued a press release announcing financial results for the three and six months ended June 30, 2025 and providing updated full year 2025 guidance. The press release is being furnished with this Current Report on Form 8-K as Exhibit 99.1 and is incorporated herein by reference.

The information provided in this Item 2.02 shall not be deemed to be “filed” for the 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, unless the Company specifically states that the information is to be considered “filed” under the Exchange Act, nor shall it be incorporated by reference in any filing made by the Company pursuant to the Exchange Act or the Securities Act of 1933, as amended (the “Securities Act”), other than to the extent that such filing incorporates by reference any or all of such information by express reference thereto.

Item 7.01     Regulation FD Disclosure.

On August 5, 2025, the Company will host a conference call to discuss the second quarter 2025 results as well as corporate developments. The slides to be used during the conference call are being furnished with this Current Report on Form 8-K as Exhibit 99.2 and are incorporated herein by reference.

The information provided in this Item 7.01 shall not be deemed to be “filed” for the purposes of Section 18 of the Exchange Act, or otherwise subject to the liabilities of that section, unless the Company specifically states that the information is to be considered “filed” under the Exchange Act, nor shall it be incorporated by reference in any filing made by the Company pursuant to the Exchange Act or the Securities Act, other than to the extent that such filing incorporates by reference any or all of such information by express reference thereto.

Item 9.01     Financial Statements and Exhibits. (d)    Exhibits

Exhibit Number Description 99.1Press release, dated August 4, 2025

99.2Presentation slides, dated August 5, 2025

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

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.

STERLING INFRASTRUCTURE, INC.

Date:August 4, 2025 By:/s/ Nicholas Grindstaff Nicholas Grindstaff Chief Financial Officer

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