Insider · SEC Form 4 · Chairman, President & CEO
Ballhaus William L
In the 12 months to Nov 8, 2026, on the open market: sold $37.7M of MRCY. Filed a median of 1 business day after the trade.
Open-market purchases and sales this filer reported on SEC Form 4, by the day traded. Insiders have two business days to file. A sale marked 10b5-1 was made under a plan adopted in advance. How to read these
- MRCYSold: MERCURY SYSTEMS INC $4.4M
- MRCYSold: MERCURY SYSTEMS INC $9.7M
- MRCYSold: MERCURY SYSTEMS INC $9.7M
- MRCYSold: MERCURY SYSTEMS INC $6.0M
- MRCYSold: MERCURY SYSTEMS INC $2.1M
- MRCYSold: MERCURY SYSTEMS INC $2.7M
- MRCYSold: MERCURY SYSTEMS INC $2.7M
- MRCYSold: MERCURY SYSTEMS INC $389K
Source: SEC Form 4 filings. Value is shares × the price reported on the filing; a filing whose price failed Lytir's check against the market price is left out, and a trade that related owners reported on separate forms is counted once. Filings can be late, amended or wrong at the source; see methodology.
Other Form 4 entries
Not counted above: entries this filer reported on Form 4 in the same 12 months that are not open-market purchases or sales. Each entry is one line of a filing.
- MRCY: option exercise or conversion (code M), 5 entries, Aug 21 to Aug 26, 2026
- MRCY: grant or award (code A), 1 entry, Aug 17, 2026
- MRCY: disposed of to the company (code D), 1 entry, Aug 14, 2026
- Code A
- A grant or award from the company, such as stock given as pay.
- Code D
- Shares disposed of to the company itself, such as shares the company took back.
- Code M
- An exercise or conversion of a derivative security received from the company, such as stock options.
Source: the same SEC Form 4 filings. The codes are the SEC's own transaction codes; the meanings above are a plain-words reading of the SEC's Form 4 instructions.