| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Balaguer Susan M. | Chief Human Resources Officer | PARSONS CORPORATION, 14291 PARK MEADOW DR., #100, CHANTILLY | /s/ Michael R. Kolloway, as attorney-in-fact | 22 Dec 2025 | 0001672832 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | PSN | Common Stock | Tax liability | $301,297 | -4,976 | -14% | $60.55 | 31,864 | 18 Dec 2025 | Direct | |
| holding | PSN | Common Stock | 1,248 | 18 Dec 2025 | By ESOP |