| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Plunkett Debora A | Director | 50 MINUTEMAN ROAD, ANDOVER | /s/ Douglas Munro, attorney-in-fact | 10 Nov 2025 | 0001699997 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | MRCY | Common Stock | Sale | $125,784 | -1,700 | -9.2% | $73.99 | 16,833 | 07 Nov 2025 | Direct |