| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Stricker Travis | CAO | C/O PRIMORIS SERVICES CORPORATION, 2300 NORTH FIELD STREET, SUITE 1900, DALLAS | /s/ Kenneth M. Dodgen, Attorney-in-Fact | 11 Aug 2025 | 0001358632 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | PRIM | Common Stock | Sale | $516,534 | -4,635 | -48% | $111.44 | 5,000 | 07 Aug 2025 | Direct |