[Form 4] STERLING INFRASTRUCTURE, INC. Insider Trading Activity

Rhea-AI Filing Summary

STERLING INFRASTRUCTURE, INC. director David S. Schulz reported an automatic share award as part of his regular board compensation. On May 7, 2026, he acquired 181 shares of common stock at $0.00 per share through a grant, not an open-market purchase. Following this grant, he directly holds 654 common shares. The company notes these shares were awarded under its standard compensation arrangements for non-employee directors, indicating a routine, compensation-related equity grant rather than a discretionary stock purchase or sale.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider Schulz David S.

Role null

Type	Security	Shares	Price	Value
Grant/Award	Common Stock	181	$0.00	--

Holdings After Transaction: Common Stock — 654 shares (Direct, null)

Footnotes (1)

1. [object Object]

Key Figures

Shares granted: 181 shares Grant price: $0.00 per share Shares owned after grant: 654 shares +1 more

4 metrics

Shares granted 181 shares Common stock grant on May 7, 2026

Grant price $0.00 per share Compensation-related equity award

Shares owned after grant 654 shares Total direct common stock holdings after transaction

Transaction code A Grant, award, or other acquisition of non-derivative common stock

Key Terms

Grant, award, or other acquisition, non-employee directors, standard director compensation arrangements

3 terms

Grant, award, or other acquisition financial

"transaction_code_description: Grant, award, or other acquisition"

non-employee directors financial

"standard director compensation arrangements for non-employee directors"

standard director compensation arrangements financial

"awarded ... pursuant to the Company's standard director compensation arrangements"

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^*

Schulz David S.

(Last) (First) (Middle)

1800 HUGHES LANDING BLVD.

SUITE 250

(Street)

THE WOODLANDS TEXAS 77380

(City) (State) (Zip)

UNITED STATES

(Country)

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)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
05/07/2026

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

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

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

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	05/07/2026		A		181(1)	A	$0	654	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. These shares were awarded to the Reporting Person by the Company pursuant to the Company's standard director compensation arrangements for non-employee directors.

Remarks:

	Mark D. Wolf (Under a Power of Attorney)	05/11/2026
	** 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.
* Form 4: SEC 1474 (03-26)