Sterling Infrastructure awards Hargis 1,000 stock units

Each award vests in one-third increments on its stated dates, provided the applicable service conditions are satisfied.

This filing corrects an earlier one, and you can read the original Form 4 if you want to see what changed.

Rhea-AI Filing Summary

Sterling Infrastructure, Inc. (STRL) General Counsel & CCO Katherine Hargis reported direct restricted stock unit awards on October 5, 2026: 1,000 units in connection with joining the issuer and 88 time-vested units. The 1,000-unit award vests in one-third increments on October 5, 2027 and the next two anniversaries, subject to service conditions. The 88-unit award vests in one-third increments on December 31, 2026 and the next two anniversaries, provided service conditions are satisfied.

Insider Trade Summary

Grant/Award: 1,088 shares

Grant/Award 2 txns

Insider Hargis Katherine

Role General Counsel & CCO

Type	Security	Shares	Price	Value
Grant/Award	Common Stock F1	1,000	$0.00	$0.00
Grant/Award	Common Stock F2	88	$0.00	$0.00

Holdings After Transaction: Common Stock — 1,088 shares (Direct)

Footnotes (2)

1. F1. Represents the grant of restricted stock units awarded to the Reporting Person in connection with her joining the Issuer. The award will vest in one-third increments on each of October 5, 2027 and the next two anniversaries thereof, providing the service conditions are satisfied.
2. F2. Represents the grant of time-vested restricted stock units that will vest in one-third increments on each of December 31, 2026 and the next two anniversaries thereof, provided the service conditions are satisfied.

Key Figures

Restricted stock units: 1,000 units Time-vested restricted stock units: 88 units Vesting increments: One-third increments

3 metrics

Restricted stock units 1,000 units Awarded October 5, 2026, in connection with joining the issuer

Time-vested restricted stock units 88 units Awarded October 5, 2026

Vesting increments One-third increments Applies to both awards, subject to service conditions

Key Terms

restricted stock units, time-vested restricted stock units, service conditions

3 terms

restricted stock units financial

"grant of restricted stock units awarded to the Reporting Person"

Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.

time-vested restricted stock units financial

"grant of time-vested restricted stock units"

service conditions financial

"provided the service conditions are satisfied"

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

How many RSUs did Katherine Hargis receive at STRL?

Katherine Hargis, Sterling Infrastructure’s General Counsel & CCO, reported direct awards of 1,000 restricted stock units and 88 time-vested restricted stock units on October 5, 2026. The 1,000-unit award was made in connection with her joining the issuer.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Available on EDGAR 10/21/2026 - 04:52 PM EDT Accepted by SEC EDGAR 10/21/2026 - 04:49 PM EDT Learn about SEC filing dates

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^*

Hargis Katherine

(Last) (First) (Middle)

1800 HUGHES LANDING BLVD

STE. 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)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	General Counsel & CCO

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
10/05/2026

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)
10/07/2026

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	10/05/2026		A		1,000	A	$0	1,000(1)	D
Common Stock	10/05/2026		A		88	A	$0	1,088(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 restricted stock units awarded to the Reporting Person in connection with her joining the Issuer. The award will vest in one-third increments on each of October 5, 2027 and the next two anniversaries thereof, providing the service conditions are satisfied.

2. Represents the grant of time-vested restricted stock units that will vest in one-third increments on each of December 31, 2026 and the next two anniversaries thereof, provided the service conditions are satisfied.

Remarks:

	Katherine Hargis	10/21/2026
	** 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)