[Form 4] Sterling Infrastructure, Inc. Insider Trading Activity

Rhea-AI Filing Summary

Ronald A. Ballschmiede, EVP of Sterling Infrastructure, Inc. (STRL), received a grant of 1,674 time-vested restricted stock units on 09/02/2025. The units were granted at no cash price and vest in three equal annual installments beginning December 31, 2025, subject to continued service. Following the grant, Mr. Ballschmiede beneficially owns 258,332 shares of STRL common stock, of which 8,862 shares remain subject to transfer restrictions and possible forfeiture. The Form 4 was executed under power of attorney and filed on 09/04/2025.

Positive

• Time‑vested RSU grant aligns executive incentives with shareholder value through multi‑year vesting.
• Significant beneficial ownership (258,332 shares) suggests executive has substantial equity stake in the company.

Negative

• None.

Insights

Corporate Governance Expert

TL;DR: Senior executive received time‑vested RSUs, aligning compensation with tenure and shareholder outcomes.

The grant of 1,674 restricted stock units to the EVP is a common executive compensation tool that ties pay to continued service and potential stock performance. Vesting in one‑third increments over three years encourages retention. The report shows substantial existing beneficial ownership (258,332 shares), which can strengthen alignment with shareholders. The filing contains routine disclosure items and no unusual transfer or derivative transactions.

Compensation Analyst

TL;DR: A modest equity award was issued as time‑vested RSUs; impact on dilution and expenses is likely limited.

The 1,674 RSU award appears modest relative to the executive's total holdings. It vests over three years and carries no exercise price, typical for restricted stock units. The disclosure notes 8,862 shares remain restricted, indicating other outstanding compensation-related limitations. The transaction is standard compensation reporting and not indicative of an extraordinary corporate action.

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
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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^*

BALLSCHMIEDE RONALD A

(Last) (First) (Middle)

1800 HUGHES LANDING BLVD.

(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)
	EVP

3. Date of Earliest Transaction (Month/Day/Year)
09/02/2025

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	09/02/2025		A		1,674(1)	A	$0	258,332(2)	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. Represents the grant of time-vested restricted stock units that will vest in one-third increments on each of December 31, 2025, and the next two anniversaries thereof, provided the service conditions are satisfied.

2. Of these shares, 8,862 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)	09/04/2025
	** 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

What did STRL EVP Ronald Ballschmiede receive on 09/02/2025?

He received 1,674 time‑vested restricted stock units granted at $0 that vest in one‑third increments starting 12/31/2025.

How many STRL shares does Ronald Ballschmiede beneficially own after the transaction?

258,332 shares beneficially owned following the reported transaction.

Are any of Mr. Ballschmiede's shares subject to restrictions or forfeiture?

Yes—8,862 shares are subject to sale restrictions and possible forfeiture under certain circumstances.

Was the Form 4 filing signed directly by the reporting person?

The form was executed under a power of attorney by Mark D. Wolf and dated 09/04/2025.

What is the vesting schedule for the granted RSUs?

The RSUs vest in three equal installments on 12/31/2025 and on the next two anniversaries, subject to service conditions.