| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Munro Douglas | VP, CAO | 50 MINUTEMAN ROAD, ANDOVER | /s/ John Storm, attorney-in-fact | 19 Aug 2025 | 0002011703 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | MRCY | Common Stock | Award | $0 | +3,380 | +25% | $0.000000 | 16,813 | 15 Aug 2025 | Direct | F1 |
| holding | MRCY | Common Stock | 99 | 15 Aug 2025 | 401K Plan |
| Id | Content |
|---|---|
| F1 | Represents restricted stock units that vest in equal annual increments over the three-year period following the grant date. |