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Active cluster sell — 5 distinct insiders, $38.8M, window ends Sep 21, 2026.
Figures computed from official regulatory filings — .
Analysttarget 115.7 USD (+39%) · consensus 4.09/5 · 8 buy · 2 hold · 1 sell
Ownershipinsiders 1.14% · institutions 111.89% · short 9.6% of float
In USD · as of Oct 5, 2026
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Mercury Systems, Inc., engages in the aerospace and defense electronics industry. The company manufactures and sells components, products, modules, and subsystems for defense prime contractors, original equipment manufacturers, government, and commercial aerospace companies. It offers components, including power amplifiers and limiters, switches, oscillators, filters, equalizers, digital and analog converters, chips, monolithic microwave integrated circuits, and memory and storage devices; modules and sub-assemblies, such as embedded processing boards, switched fabrics and boards, digital receivers, multi-chip modules, integrated radio frequency and microwave multi-function assemblies, tuners, and transceivers, as well as graphics and video; and integrated subsystems. The company also designs, develops, and manufactures digital radio frequency memory units for various modern electronic warfare applications; radar environment simulation and test systems for defense and intelligence applications; and signals intelligence payloads and EO/IR technologies for small UAV platforms, as well as onboard UAV processor systems for real-time wide area motion imagery. It operates in the United States, Europe, and the Asia Pacific. The company was formerly known as Mercury Computer Systems, Inc. and changed its name to Mercury Systems, Inc. in November 2012. Mercury Systems, Inc. was incorporated in 1981 and is headquartered in Andover, Massachusetts.
Market information source · Oct 5, 2026
Periods recorded in the consulted sources. These do not certify the legal dates of name changes.
SEC company identity · Oct 5, 2026
Open-market timeline · full history
83 buys689 sells— close pricebar = usd volume, √ scaleclick a period to filter the table
| Insider | Type | Value · USD | Signals | Details | |
|---|---|---|---|---|---|
| KUPINSKY STUART | Sell | $86.5K | SEC |
| Ballhaus William L | Award | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Munro Douglas | Award | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| KUPINSKY STUART | Award | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Ratner Steven | Award | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Farnsworth David E. | Award | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Ratner Steven | Sell | $338K | Unusual size | SEC |
| Ballhaus William L | Exercise | $6.6M | Unusual size | SEC |
| Ballhaus William L | Sell | $9.4M | Unusual size | SEC |
| Ballhaus William L | Sell | $970.5K | SEC |
| Ballhaus William L | ExerciseD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Ballhaus William L | ExerciseD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Ballhaus William L | Sell | $3.4M | SEC |
| Ballhaus William L | Exercise | $2.9M | SEC |
| Ballhaus William L | Sell | $303.4K | SEC |
| Ballhaus William L | Sell | $9.4M | Unusual size | SEC |
| Ratner Steven | Sell | $32.5K | SEC |
| Ballhaus William L | Sell | $6M | Unusual size | SEC |
| Ballhaus William L | ExerciseD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Ballhaus William L | ExerciseD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Ballhaus William L | ExerciseD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Ballhaus William L | Exercise | $3.9M | SEC |
| Ballhaus William L | Sell | $248.1K | SEC |
| KUPINSKY STUART | Sell | $95.2K | SEC |
| Ballhaus William L | Exercise | $5.9M | Unusual size | SEC |