| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Ofilos Matthew | Chief Financial Officer | PARSONS CORPORATION, 14291 PARK MEADOW DR., #100, CHANTILLY | /s/ Michael R. Kolloway, as attorney-in-fact | 2025-08-01 | 0001936775 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | PSN | Common Stock | Tax liability | -$520K | -7.01K | -12.02% | $74.20 | 51.3K | Jul 31, 2025 | Direct | |
| holding | PSN | Common Stock | 1.25K | Jul 31, 2025 | By ESOP |