STERLING INFRASTRUCTURE, INC. — Director's Dealing 2025

Sep 4, 2025

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: STERLING INFRASTRUCTURE, INC. (STRL)
CIK: 0000874238
Period of Report: 2025-09-02

Reporting Person: BALLSCHMIEDE RONALD A (EVP)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2025-09-02	Common Stock	A	1674	—	Acquired	258332	Direct

Footnotes

F1: Represents the grant of time-vested restricted stock units that will vest in one-third increments on each of December 31, 2025, and the next two anniversaries thereof, provided the service conditions
are satisfied.

F2: Of these shares, 8,862 shares are subject to restrictions on their sale or other transfer and to forfeiture under certain circumstances.