| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Vadlamudi Koti | PRESIDENT & CEO, Director | C/O PRIMORIS SERVICES CORPORATION, 2300 NORTH FIELD STREET, SUITE 1900, DALLAS | /s/ Kenneth M. Dodgen, Attorney-in-Fact | 03 Mar 2026 | 0002097133 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Underlying Class | Amount | Exercise Price | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | PRIM | Restricted Stock Units | Award | $0 | +6,967 | +97% | $0.000000 | 14,142 | 01 Mar 2026 | Common Stock | 6,967 | Direct | F1, F2 |
| Id | Content |
|---|---|
| F1 | Each restricted stock unit represents a contingent right to receive one share of PRIM common stock or the cash value thereof on the date of settlement, in the Company's discretion. |
| F2 | The restricted stock units vest 25% on March 1, 2027, 25% on March 1, 2028, and 50% on March 1, 2029. |