13 insiders reported 80 Form 4 transactions for MERCURY SYSTEMS INC (MRCY) over the past 18 months (most recent 2026-08-21). Recent activity: Ballhaus William L (Chairman, President & CEO) Sell 26,802 shares, KUPINSKY STUART (EVP, CLO & Corp Sec) Sell 1,308 shares, Farnsworth David E. (EVP, CFO) Sell 8,155 shares, Ratner Steven (EVP, CHRO) Sell 2,187 shares, Munro Douglas (SVP, CAO) Sell 548 shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-08-21 | Ballhaus William L | Chairman, President & CEO | Sell | 26,802 | $2.7M |
| 2026-08-21 | KUPINSKY STUART | EVP, CLO & Corp Sec | Sell | 1,308 | $131,200 |
| 2026-08-21 | Farnsworth David E. | EVP, CFO | Sell | 8,155 | $817,995 |
| 2026-08-21 | Ratner Steven | EVP, CHRO | Sell | 2,187 | $219,369 |
| 2026-08-21 | Munro Douglas | SVP, CAO | Sell | 548 | $54,968 |
| 2026-08-21 | Ballhaus William L | Chairman, President & CEO | Sell | 22,010 | $2.1M |
| 2026-08-21 | Farnsworth David E. | EVP, CFO | Sell | 6,612 | $645,817 |
| 2026-08-21 | Ratner Steven | EVP, CHRO | Sell | 1,026 | $100,213 |
| 2026-08-21 | Munro Douglas | SVP, CAO | Sell | 109 | $10,646 |
| 2026-08-19 | Ratner Steven | EVP, CHRO | Sell | 1,084 | $119,187 |
| 2026-08-19 | Ballhaus William L | Chairman, President & CEO | Sell | 3,536 | $388,786 |
| 2026-08-19 | Farnsworth David E. | EVP, CFO | Sell | 1,345 | $147,884 |
| 2026-08-19 | KUPINSKY STUART | EVP, CLO & Corp Sec | Sell | 1,195 | $131,391 |
| 2026-08-19 | Munro Douglas | SVP, CAO | Sell | 404 | $44,420 |
| 2026-08-19 | KUPINSKY STUART | EVP, CLO & Corp Sec | Sell | 1,178 | $131,179 |
| 2026-08-19 | Ballhaus William L | Chairman, President & CEO | Sell | 24,144 | $2.7M |
| 2026-08-19 | Farnsworth David E. | EVP, CFO | Sell | 7,347 | $818,145 |
| 2026-08-19 | Ratner Steven | EVP, CHRO | Sell | 1,971 | $219,486 |
| 2026-08-19 | Munro Douglas | SVP, CAO | Sell | 494 | $55,011 |
| 2026-08-18 | KUPINSKY STUART | EVP, CLO & Corp Sec | Sell | 6,977 | $0 |
| 2026-08-18 | Ballhaus William L | Chairman, President & CEO | Sell | 70,287 | $0 |
| 2026-08-18 | Farnsworth David E. | EVP, CFO | Sell | 16,275 | $0 |
| 2026-08-18 | Ratner Steven | EVP, CHRO | Sell | 2,695 | $0 |
| 2026-07-20 | Nearhos Barry R | Director | Buy | 170 | $0 |
| 2026-05-27 | LANCE HOWARD L | Director | Sell | 8,000 | $799,620 |
Source: SEC Form 4 filings · as of 2026-08-21