| 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 | 01 Aug 2025 | 0001936775 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | PSN | Common Stock | Tax liability | $519,845 | -7,006 | -12% | $74.20 | 51,302 | 31 Jul 2025 | Direct | |
| holding | PSN | Common Stock | 1,248 | 31 Jul 2025 | By ESOP |