| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Munro Douglas | VP, CAO | 50 MINUTEMAN ROAD, ANDOVER | /s/ Douglas Munro | 16 May 2025 | 0002011703 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | MRCY | Common Stock | Sale | $73,480 | -1,610 | -11% | $45.64 | 13,433 | 14 May 2025 | Direct | |
| transaction | MRCY | Common Stock | Sale | $36,308 | -809 | -100% | $44.88 | 0 | 14 May 2025 | 401K Plan |