Mark D. Wolf - 31 Dec 2025 Form 4 Insider Report for STERLING INFRASTRUCTURE, INC. (STRL)

Signature
Mark D. Wolf
Issuer symbol
STRL
Transactions as of
31 Dec 2025
Net transactions value
-$273,770
Form type
4
Filing time
05 Jan 2026, 17:03:08 UTC
Previous filing
16 Dec 2025
Next filing
27 Feb 2026

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Wolf Mark D. General Counsel, Corporate Sec 1800 HUGHES LANDING BLVD, SUITE 250, THE WOODLANDS Mark D. Wolf 05 Jan 2026 0001765526

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction STRL Common Stock Tax liability $273,770 -894 -3.1% $306.23 28,371 31 Dec 2025 Direct F1
transaction STRL Common Stock Award $0 +463 +1.6% $0.000000 28,834 01 Jan 2026 Direct F2, F3
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 These shares were retained by the Company at the election of the Reporting Person pursuant to a procedure approved by the Compensation Committee of the Board of Directors to satisfy the Company's tax withholding requirements (based on the closing price of the Company's common stock on the release date) arising from the release of restrictions as permitted by the plan pursuant to which the restricted stock unit award was made.
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.
F3 Of these shares, 1,505 shares are subject to restrictions on their sale or other transfer and to forfeiture under certain circumstances.