| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| LANCE HOWARD L | Director | 50 MINUTEMAN ROAD, ANDOVER | /s/ Douglas Munro, attorney-in-fact | 27 Feb 2026 | 0001220679 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | MRCY | Common Stock | Sale | $429,960 | -4,832 | -15% | $88.98 | 27,272 | 25 Feb 2026 | Direct | F1 |
| holding | MRCY | Common Stock | 9,250 | 25 Feb 2026 | By The Howard L. Lance Revocable Living Trust Dated 9/1/2006 |
| Id | Content |
|---|---|
| F1 | This transaction was executed in multiple trades at prices ranging from $88.98 to $89.30. The price reported above reflects the weighted average price of these trades. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected. |