| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Smith Carey A. | President & CEO, Director | PARSONS CORPORATION, 14291 PARK MEADOW DR., #100, CHANTILLY | /s/ Michael R. Kolloway, as attorney-in-fact | 19 Dec 2025 | 0001707270 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | PSN | Common Stock | Tax liability | $453,968 | -7,541 | -1.9% | $60.20 | 393,003 | 17 Dec 2025 | Direct | |
| holding | PSN | Common Stock | 5,023 | 17 Dec 2025 | By ESOP |