Form 4 Tracker
MERCURY SYSTEMS INC
MRCY

39 insider filings · Latest: Oct 15, 2026

Common Stock Transactions
Txn DateAcceptedInsiderTypeSharesAvg PriceValueShares OwnedFiling
Aug 19, 2026Aug 21 8:49 PMDavid E. FarnsworthEVP, CFO
Sale
8,155$100.31$818.0K124,579(D)

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Aug 20, 2026Aug 21 8:47 PMWilliam L BallhausDirector, Chairman, President & CEO
Sale
22,010$97.67$2.1M228,197.325(D)

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Aug 19, 2026Aug 21 8:47 PMWilliam L BallhausDirector, Chairman, President & CEO
Sale
26,802$100.31$2.7M250,207.325(D)

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Aug 21, 2026Aug 21 6:12 PMBallhaus William L
Proposed Sale
65,000$92.41$6.0M—

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Aug 21, 2026Aug 21 2:04 PMKUPINSKY STUART
Proposed Sale
1,000$95.23$95.2K—

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Aug 20, 2026Aug 20 7:29 PMFarnsworth David E.
Proposed Sale
6,612$97.67$645.8K—

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Aug 20, 2026Aug 20 7:27 PMMunro Douglas
Proposed Sale
109$97.67$10.6K—

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Aug 20, 2026Aug 20 7:18 PMRatner Steven
Proposed Sale
1,026$97.67$100.2K—

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Aug 20, 2026Aug 20 7:15 PMBallhaus William L
Proposed Sale
22,010$97.67$2.1M—

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Aug 18, 2026Aug 19 10:31 PMDouglas MunroSVP, CAO
Sale
494$111.36$55.0K13,639(D)

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Aug 17, 2026Aug 19 10:31 PMDouglas MunroSVP, CAO
Sale
404$109.95$44.4K14,133(D)

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Aug 18, 2026Aug 19 10:29 PMSteven RatnerEVP, CHRO
Sale
1,971$111.36$219.5K26,488(D)

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Aug 17, 2026Aug 19 10:29 PMSteven RatnerEVP, CHRO
Sale
1,084$109.95$119.2K28,459(D)

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Aug 18, 2026Aug 19 10:26 PMStuart KupinskyEVP, CLO & Corp Sec
Sale
1,178$111.36$131.2K58,660(D)

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Aug 17, 2026Aug 19 10:26 PMStuart KupinskyEVP, CLO & Corp Sec
Sale
1,195$109.95$131.4K59,838(D)

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Aug 18, 2026Aug 19 10:25 PMDavid E. FarnsworthEVP, CFO
Sale
7,347$111.36$818.1K132,734(D)

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Aug 17, 2026Aug 19 10:25 PMDavid E. FarnsworthEVP, CFO
Sale
1,345$109.95$147.9K140,081(D)

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Aug 18, 2026Aug 19 10:24 PMWilliam L BallhausDirector, Chairman, President & CEO
Sale
24,144$111.36$2.7M277,009.325(D)

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Aug 17, 2026Aug 19 10:24 PMWilliam L BallhausDirector, Chairman, President & CEO
Sale
3,536$109.95$388.8K301,153.325(D)

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Aug 19, 2026Aug 19 8:50 PMBallhaus William L
Proposed Sale
26,802$100.31$2.7M—

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Stock Options & Derivatives
Txn DateAcceptedInsiderTypeSharesExercise PriceShares OwnedFiling
Aug 26, 2026Aug 27 8:54 PMWilliam L BallhausDirector, Chairman, President & CEO
Option Exercise
68,476$43.000(D)

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Aug 25, 2026Aug 27 8:54 PMWilliam L BallhausDirector, Chairman, President & CEO
Option Exercise
153,676$43.0068,476(D)

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Aug 24, 2026Aug 25 9:53 PMWilliam L BallhausDirector, Chairman, President & CEO
Option Exercise
151,998$43.00222,152(D)

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Aug 21, 2026Aug 25 9:53 PMWilliam L BallhausDirector, Chairman, President & CEO
Option Exercise
92,850$42.00140,650(D)

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