144 0001391996 XXXXXXXX LIVE 0000874238 STERLING INFRASTRUCTURE, INC. 001-31993 1800 HUGHES LANDING BLVD SUITE 250 THE WOODLANDS TX 77380 281-214-0777 Dwayne Wilson Director Common Merrill Lynch

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2860 1001000 30719373 01/16/2026 NASDAQ Common 05/03/2024 Stock Bonus Issuer N 3353 05/03/2024 Stock Bonus Common 05/09/2025 Stock Bonus Issuer N 1071 05/09/2025 Stock Bonus Y Sale Pursuant to 10b5-1 Plan 01/16/2026 09/24/2025 Dwayne Wilson