Mercury Systems Inc (MRCY) insider trading
Every open-market stock purchase and sale by Mercury Systems Inc executives, directors, large shareholders and members of Congress, from SEC Form 4 filings. Sector: Other.
Insider activity at a glance
- William L Ballhaus (CEO) and 4 others sold $41.9M in the last 90 days.
- Last insider buy: JANA Partners Management LP (10% owner), $507K, 2 years ago.
Last 12 months: insiders bought $0 (0 buys) and sold $194M (28 sales). Last close $82.18 on Sep 25, 2026.
Recent MRCY insider trades
| Date | Insider | Trade | Value |
|---|---|---|---|
| Sep 21, 2026 | Stuart Kupinsky (C-suite exec) | Sold | $86.5K |
| Sep 3, 2026 | Steven Ratner (VP) | Sold | $338K |
| Aug 26, 2026 | William L Ballhaus (CEO) | Sold | $3.4M |
| Aug 26, 2026 | William L Ballhaus (CEO) | Sold | $970K |
| Aug 26, 2026 | William L Ballhaus (CEO) | Bought (not open market) | — |
| Aug 25, 2026 | William L Ballhaus (CEO) | Sold | $9.4M |
| Aug 25, 2026 | William L Ballhaus (CEO) | Sold | $303K |
| Aug 25, 2026 | William L Ballhaus (CEO) | Bought (not open market) | — |
| Aug 24, 2026 | William L Ballhaus (CEO) | Sold | $9.4M |
| Aug 24, 2026 | William L Ballhaus (CEO) | Sold | $248K |
| Aug 24, 2026 | William L Ballhaus (CEO) | Bought (not open market) | — |
| Aug 24, 2026 | William L Ballhaus (CEO) | Bought (not open market) | — |
| Aug 21, 2026 | William L Ballhaus (CEO) | Sold | $6M |
| Aug 21, 2026 | Stuart Kupinsky (C-suite exec) | Sold | $95.2K |
| Aug 21, 2026 | Steven Ratner (VP) | Sold | $32.5K |
| Aug 21, 2026 | William L Ballhaus (CEO) | Sold | $19.1K |
| Aug 21, 2026 | William L Ballhaus (CEO) | Bought (not open market) | — |
| Aug 20, 2026 | William L Ballhaus (CEO) | Sold | $2.1M |
| Aug 20, 2026 | David E. Farnsworth (CFO) | Sold | $646K |
| Aug 20, 2026 | Steven Ratner (VP) | Sold | $100K |
| Aug 20, 2026 | Douglas Munro (C-suite exec) | Sold | $10.6K |
| Aug 19, 2026 | William L Ballhaus (CEO) | Sold | $2.7M |
| Aug 19, 2026 | David E. Farnsworth (CFO) | Sold | $818K |
| Aug 19, 2026 | Steven Ratner (VP) | Sold | $219K |
| Aug 19, 2026 | Stuart Kupinsky (C-suite exec) | Sold | $131K |
Who's trading MRCY
- Stuart Kupinsky, C-suite exec: sold $767K (6 sales), last Sep 21, 2026
- Steven Ratner, VP: sold $1.2M (7 sales), last Sep 3, 2026
- William L Ballhaus, CEO: sold $37.7M (12 sales), last Aug 26, 2026
- Douglas Munro, C-suite exec: sold $311K (6 sales), last Aug 20, 2026
- David E. Farnsworth, CFO: sold $2.7M (5 sales), last Aug 20, 2026
- Barry R Nearhos, Director: other filings, last Jul 16, 2026
- Howard L Lance, Director: sold $1.4M (3 sales), last May 26, 2026
- Orlando D Carvalho, Director: sold $626K (1 sale), last May 12, 2026
- JANA Partners Management LP, Director: sold $149M (5 sales), last Mar 4, 2026
- Debora A Plunkett, Director: sold $126K (1 sale), last Nov 7, 2025
- Gerard J Demuro, Director: other filings, last Oct 22, 2025
- Jean A Bua, Director: other filings, last Oct 22, 2025
- Lisa S Disbrow, Director: other filings, last Oct 22, 2025
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