Director stock grant at Sterling Infrastructure (STRL) adds 181 shares

Rhea-AI Filing Summary

Bosway William T reported acquisition or exercise transactions in this Form 4 filing.

STERLING INFRASTRUCTURE, INC. director William T. Bosway received a grant of 181 shares of common stock on May 7, 2026. The shares were awarded at no cash cost as part of the company’s standard compensation arrangements for non-employee directors. Following this award, Bosway directly holds 2,198 shares of Sterling Infrastructure common stock.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider Bosway William T

Role null

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

Holdings After Transaction: Common Stock — 2,198 shares (Direct, null)

Footnotes (1)

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Key Figures

Shares granted: 181 shares Post-transaction holdings: 2,198 shares Grant price: $0.00 per share

3 metrics

Shares granted 181 shares Common Stock award to director on May 7, 2026

Post-transaction holdings 2,198 shares Common Stock directly held by William T. Bosway after grant

Grant price $0.00 per share Director compensation award, no cash consideration

Key Terms

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

3 terms

non-employee directors financial

"standard director compensation arrangements for non-employee directors"

standard director compensation arrangements financial

"awarded to the Reporting Person by the Company pursuant to the Company's standard director compensation arrangements"

Grant, award, or other acquisition financial

"transaction_code_description: Grant, award, or other acquisition"

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^*

Bosway William T

(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	2,198	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)

FAQ

What insider transaction did Sterling Infrastructure (STRL) report for William T. Bosway?

Sterling Infrastructure reported that director William T. Bosway received a grant of 181 shares of common stock. The grant was part of the company’s standard compensation arrangements for non-employee directors and increased his direct holdings to 2,198 shares.

Was the Sterling Infrastructure (STRL) share grant to William T. Bosway a market purchase or sale?

The transaction was a grant or award, not a market purchase or sale. Bosway acquired 181 shares of common stock at a price of $0.00 per share as director compensation under Sterling Infrastructure’s standard non-employee director program.

How many Sterling Infrastructure (STRL) shares does William T. Bosway own after this Form 4 transaction?

After the reported grant, William T. Bosway directly holds 2,198 shares of Sterling Infrastructure common stock. This total reflects the addition of 181 awarded shares under the company’s non-employee director compensation arrangements as disclosed in the Form 4 filing.

What does transaction code "A" mean in the Sterling Infrastructure (STRL) Form 4 filing?

Transaction code "A" indicates a grant, award, or other acquisition of shares. In this case, Sterling Infrastructure granted William T. Bosway 181 shares of common stock as part of standard compensation for non-employee directors, with no cash price paid per share.

Is the Sterling Infrastructure (STRL) insider transaction related to derivatives or options?

No, the reported insider transaction involves non-derivative common stock only. The Form 4 shows a direct award of 181 common shares to director William T. Bosway, and the derivative holdings section in the filing is empty for this transaction.