| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Ratner Steven | EVP, CHRO | 50 MINUTEMAN ROAD, ANDOVER | /s/ Douglas Munro, attorney-in-fact | 19 Aug 2025 | 0001995110 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | MRCY | Common Stock | Award | $0 | +9,043 | +26% | $0.000000 | 44,217 | 15 Aug 2025 | Direct | F1 |
| holding | MRCY | Common Stock | 81 | 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. |