Director Julie Dill awarded STRL shares in standard compensation grant

Rhea-AI Filing Summary

Dill Julie reported acquisition or exercise transactions in this Form 4 filing.

STERLING INFRASTRUCTURE, INC. director Julie Dill received an award of 181 shares of common stock on May 7, 2026 as part of the company’s standard compensation for non-employee directors. The grant was made at no cash cost per share and increased her direct holdings to 18,034 shares.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider Dill Julie

Role null

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

Holdings After Transaction: Common Stock — 18,034 shares (Direct, null)

Footnotes (1)

1. [object Object]

Key Figures

Shares granted: 181 shares Price per share: $0.0000 per share Total shares after transaction: 18,034 shares +2 more

5 metrics

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

Price per share $0.0000 per share Compensation grant, no cash cost

Total shares after transaction 18,034 shares Julie Dill direct holdings following grant

Transaction code A Grant, award, or other acquisition

Transaction direction acquire Non-derivative common stock award

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

"pursuant to the Company's standard director compensation arrangements for non-employee directors"

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^*

Dill Julie

(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	18,034	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 STRL director Julie Dill report?

Director Julie Dill reported receiving 181 shares of STERLING INFRASTRUCTURE common stock. The shares were granted as part of the company’s standard compensation program for non-employee directors, not purchased on the open market, and increased her total direct holdings to 18,034 shares.

Was the STRL Form 4 transaction a stock purchase or a grant?

The Form 4 for STRL shows a grant, not an open-market purchase. The 181 shares of common stock were awarded at no cash cost as standard non-employee director compensation, classified as a “Grant, award, or other acquisition” under SEC transaction code A.

How many STRL shares does Julie Dill own after this grant?

After receiving the 181-share award, director Julie Dill holds 18,034 STRL common shares directly. This total reflects her position immediately following the compensation grant reported on the Form 4 and provides context for the relative size of the new award.

What is the significance of transaction code A in the STRL Form 4?

Transaction code A on the STRL Form 4 signifies a grant, award, or other acquisition. In this case, it refers to 181 common shares granted to director Julie Dill as part of the company’s standard non-employee director compensation, rather than a market trade.

Did STRL’s Form 4 indicate any sales or dispositions by Julie Dill?

No sales or dispositions were reported for Julie Dill in this Form 4. The filing shows only one acquisition transaction: a 181-share grant of common stock as director compensation, bringing her direct holdings to 18,034 shares following the award.