14 insiders reported 60 Form 4 transactions for MERCURY SYSTEMS INC (MRCY) over the past 18 months (most recent 2026-05-13). Recent activity: Carvalho Orlando D (Director) Sell 7,000 shares, Ratner Steven (EVP, CHRO) Sell 2,000 shares, Nearhos Barry R (Director) Buy 245 shares, Farnsworth David E. (EVP, CFO) Sell 3,625 shares, Ratner Steven (EVP, CHRO) Buy 437 shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-05-13 | Carvalho Orlando D | Director | Sell | 7,000 | $625,527 |
| 2026-05-12 | Ratner Steven | EVP, CHRO | Sell | 2,000 | $184,920 |
| 2026-04-17 | Nearhos Barry R | Director | Buy | 245 | $0 |
| 2026-04-17 | Farnsworth David E. | EVP, CFO | Sell | 3,625 | $307,661 |
| 2026-03-18 | Ratner Steven | EVP, CHRO | Buy | 437 | $0 |
| 2026-03-04 | JANA Partners Management, LP | Director | Sell | 182,510 | $17.2M |
| 2026-03-04 | JANA Partners Management, LP | Director | Sell | 168,648 | $15.2M |
| 2026-03-04 | JANA Partners Management, LP | Director | Sell | 100,899 | $9.0M |
| 2026-02-27 | LANCE HOWARD L | Director | Sell | 4,832 | $429,951 |
| 2026-02-19 | KUPINSKY STUART | EVP, CLO & Corp Sec | Sell | 2,287 | $191,102 |
| 2026-02-19 | Munro Douglas | SVP, CAO | Sell | 582 | $48,632 |
| 2026-02-11 | JANA Partners Management, LP | Director | Sell | 400,000 | $32.4M |
| 2026-01-20 | Nearhos Barry R | Director | Buy | 474 | $0 |
| 2025-11-13 | Munro Douglas | SVP, CAO | Sell | 1,329 | $97,575 |
| 2025-11-10 | JANA Partners Management, LP | Director | Sell | 1.0M | $75.5M |
| 2025-11-10 | Plunkett Debora A | Director | Sell | 1,700 | $125,783 |
| 2025-10-24 | LANCE HOWARD L | Director | Buy | 2,362 | $0 |
| 2025-10-24 | DISBROW LISA S | Director | Buy | 2,362 | $0 |
| 2025-10-24 | Carvalho Orlando D | Director | Buy | 2,362 | $0 |
| 2025-10-24 | BUA JEAN A | Director | Buy | 2,362 | $0 |
| 2025-10-24 | JANA Partners Management, LP | Director | Buy | 2,362 | $0 |
| 2025-10-24 | Nearhos Barry R | Director | Buy | 2,362 | $0 |
| 2025-10-24 | DEMURO GERARD J | Director | Buy | 2,362 | $0 |
| 2025-10-24 | Plunkett Debora A | Director | Buy | 2,362 | $0 |
| 2025-10-20 | Nearhos Barry R | Director | Buy | 487 | $0 |
Source: SEC Form 4 filings · as of 2026-05-13