X0508 4 2025-01-29 0001361538 Primoris Services Corp PRIM 0001663507 Wagner Patricia K C/O PRIMORIS SERVICES CORPORATION 2300 NORTH FIELD STREET, SUITE 1900 DALLAS TX 75201 true false false false 0 Common Stock 2025-01-29 4 G 0 3365 0 D 15307 D Common Stock 3365 I By Wagner Family Trust On January 29, 2025, the reporting person transferred 3,365 shares of PRIM common stock to the Wagner Family Trust dated March 24, 2008 for no consideration. The reporting person is trustee of the trust, and the reporting person and members of her immediate family are the sole beneficiaries of the trust. The reporting person remains the beneficial owner of the securities held by the trust. /s/ Kenneth M. Dodgen, Attorney-in-Fact 2025-01-31