| 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 | 10 Mar 2026 | 0001672832 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | PSN | Common Stock | Tax liability | -798 | -2.1% | $62.55* | 37,207 | 09 Mar 2026 | Direct | ||
| holding | PSN | Common Stock | 1,701 | 09 Mar 2026 | By ESOP |