Sterling Infrastructure, Inc. (STRL) director sells 1,200 shares in plan trade

Rhea-AI Filing Summary

STERLING INFRASTRUCTURE, INC. director Dwayne Andree Wilson sold 1,200 shares of common stock in an open-market transaction on March 5, 2026 under a Rule 10b5-1 trading plan adopted on November 21, 2025.

The shares were sold at an average price of $412.3597 per share, with individual trades executed between $412.00 and $412.39. After this sale, Wilson directly owns 13,549 shares of common stock, including 751 restricted shares that are subject to transfer limitations and potential forfeiture.

Insider Trade Summary

Net Seller: 1,200 shares ($494,832)

Net Sell 1 txn

Insider Wilson Dwayne Andree

Role Director

Sold 1,200 shs ($495K)

Type	Security	Shares	Price	Value
Sale	Common Stock	1,200	$412.3597	$495K

Holdings After Transaction: Common Stock — 13,549 shares (Direct)

Footnotes (1)

1. The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on November 21, 2025. Transaction executed in multiple trades at prices ranging from $412.00 to $412.39 per share, inclusive. The price reported in column 4 above reflects the average sale price per share. The Reporting Person hereby undertakes to provide the SEC staff, the Issuer or a security holder of the Issuer, upon request, full information regarding the number of shares sold at each respective price within the range set forth in this footnote. Of these shares, 751 shares are subject to restrictions on their sale or other transfer and to forfeiture under certain circumstances.

Form 4 Insider Transactions: What Each Field Means →

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

X

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Wilson Dwayne Andree

(Last) (First) (Middle)

1800 HUGHES LANDING BLVD

SUITE 250

(Street)

THE WOODLANDS TX 77380

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
STERLING INFRASTRUCTURE, INC. [ STRL ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

3. Date of Earliest Transaction (Month/Day/Year)
03/05/2026

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	03/05/2026		S		1,200(1)	D	$412.3597(2)	13,549(3)	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on November 21, 2025.

2. Transaction executed in multiple trades at prices ranging from $412.00 to $412.39 per share, inclusive. The price reported in column 4 above reflects the average sale price per share. The Reporting Person hereby undertakes to provide the SEC staff, the Issuer or a security holder of the Issuer, upon request, full information regarding the number of shares sold at each respective price within the range set forth in this footnote.

3. Of these shares, 751 shares are subject to restrictions on their sale or other transfer and to forfeiture under certain circumstances.

Remarks:

	Mark D. Wolf (Under a Power of Attorney)	03/06/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

FAQ

What insider transaction did STRL director Dwayne Andree Wilson report?

Director Dwayne Andree Wilson reported selling 1,200 shares of Sterling Infrastructure common stock. The sale occurred on March 5, 2026 as an open-market transaction, with an average price of $412.3597 per share, according to the Form 4 filing.

At what prices were the STRL shares sold in Wilson’s March 2026 trade?

Wilson’s STRL shares were sold in multiple trades between $412.00 and $412.39 per share. The Form 4 reports an average sale price of $412.3597 per share for the 1,200 shares of common stock sold in the open-market transaction.

Was the STRL insider sale made under a Rule 10b5-1 trading plan?

Yes. The filing states the sales were effected under a Rule 10b5-1 trading plan. This plan was adopted by Dwayne Andree Wilson on November 21, 2025, pre-establishing trading parameters for selling Sterling Infrastructure common stock.

How many STRL shares does Wilson own after the reported sale?

After the reported sale, Wilson directly owns 13,549 shares of Sterling Infrastructure common stock. The Form 4 also notes that 751 of these shares are restricted, meaning they are subject to transfer limitations and possible forfeiture under certain conditions.

How many Sterling Infrastructure shares were sold in this Form 4 transaction?

The Form 4 reports that 1,200 shares of Sterling Infrastructure common stock were sold. These shares were disposed of in an open-market sale on March 5, 2026, at an average price of $412.3597 per share, within a narrow intraday price range.