Sterling's Legal Chief Cashes In as Infrastructure Stock Hits All-Time High

Rhea-AI Filing Summary

Sterling Infrastructure General Counsel and Corporate Secretary Mark D. Wolf reported a significant insider transaction on Form 4, executed on June 24, 2025. The filing discloses:

• Sale of 3,500 shares of common stock at a price of $225.87 per share
• Following the transaction, Wolf retains beneficial ownership of 29,315 shares
• Of the remaining shares, 3,311 are subject to restrictions on sale/transfer and potential forfeiture conditions

This insider sale by a key executive officer provides valuable information about insider sentiment. The transaction occurred at a significant price point of $225.87, with Wolf maintaining a substantial position in the company despite the disposition. The restricted nature of a portion of his remaining holdings indicates ongoing alignment with long-term company performance.

Positive

• None.

Negative

• General Counsel Mark Wolf sold 3,500 shares at $225.87 per share (approximately $790,545 total value), retaining 29,315 shares with 3,311 restricted

Insider Trade Summary

Net Seller: 3,500 shares ($790,545)

Net Sell 1 txn

Insider Wolf Mark D.

Role General Counsel, Corporate Sec

Sold 3,500 shs ($791K)

Type	Security	Shares	Price	Value
Sale	Common Stock	3,500	$225.87	$791K

Holdings After Transaction: Common Stock — 29,315 shares (Direct)

Footnotes (1)

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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).

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^*

Wolf Mark D.

(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)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	General Counsel, Corporate Sec

3. Date of Earliest Transaction (Month/Day/Year)
06/24/2025

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	06/24/2025		S		3,500	D	$225.87	29,315(1)	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. Of these shares, 3,311 shares are subject to restrictions on their sale or other transfer and to forfeiture under certain circumstances.

Remarks:

	Mark D. Wolf	06/25/2025
	** 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

How many STRL shares did General Counsel Mark Wolf sell on June 24, 2025?

According to the Form 4 filing, Mark Wolf, General Counsel and Corporate Secretary of Sterling Infrastructure (STRL), sold 3,500 shares at a price of $225.87 per share on June 24, 2025.

What is Mark Wolf's remaining STRL stock position after the June 2025 sale?

Following the reported transaction, Mark Wolf retained beneficial ownership of 29,315 shares of STRL common stock. Notably, 3,311 of these shares are subject to restrictions on sale and potential forfeiture under certain circumstances.

What was the total value of STRL shares sold by Mark Wolf in this transaction?

The total value of the transaction was approximately $790,545, calculated from the sale of 3,500 shares at a price of $225.87 per share.

What position does Mark Wolf hold at Sterling Infrastructure (STRL)?

Mark Wolf serves as General Counsel and Corporate Secretary at Sterling Infrastructure (STRL), as disclosed in the Form 4 filing.

How many restricted STRL shares does Mark Wolf own after the June 2025 transaction?

According to the filing's explanatory notes, 3,311 shares of Mark Wolf's remaining 29,315 shares are subject to restrictions on sale or transfer and potential forfeiture under certain circumstances.