Form 4 Tracker
MERCURY SYSTEMS INC
MRCY

39 insider filings · Latest: Oct 15, 2026

Common Stock Transactions
Txn DateAcceptedInsiderTypeSharesAvg PriceValueShares OwnedFiling
Aug 19, 2026Aug 19 8:50 PMFarnsworth David E.
Proposed Sale
8,155$100.31$818.0K—

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Aug 19, 2026Aug 19 8:41 PMKUPINSKY STUART
Proposed Sale
1,308$100.31$131.2K—

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Aug 19, 2026Aug 19 8:41 PMRatner Steven
Proposed Sale
2,187$100.31$219.4K—

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Aug 19, 2026Aug 19 8:40 PMMunro Douglas
Proposed Sale
548$100.31$55.0K—

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Aug 18, 2026Aug 18 7:47 PMBallhaus William L
Proposed Sale
24,144$111.36$2.7M—

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Aug 18, 2026Aug 18 7:43 PMKUPINSKY STUART
Proposed Sale
1,178$111.36$131.2K—

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Aug 18, 2026Aug 18 7:39 PMRatner Steven
Proposed Sale
1,971$111.36$219.5K—

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Aug 18, 2026Aug 18 7:37 PMFarnsworth David E.
Proposed Sale
7,347$111.36$818.1K—

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Aug 18, 2026Aug 18 7:22 PMMunro Douglas
Proposed Sale
494$111.36$55.0K—

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Aug 17, 2026Aug 17 8:01 PMBallhaus William L
Proposed Sale
3,536$109.95$388.8K—

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Aug 17, 2026Aug 17 7:54 PMMunro Douglas
Proposed Sale
404$109.95$44.4K—

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Aug 17, 2026Aug 17 7:46 PMRatner Steven
Proposed Sale
1,084$109.95$119.2K—

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Aug 17, 2026Aug 17 7:36 PMFarnsworth David E.
Proposed Sale
1,345$109.95$147.9K—

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Aug 17, 2026Aug 17 7:31 PMKUPINSKY STUART
Proposed Sale
1,195$109.95$131.4K—

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May 26, 2026May 27 11:00 PMHoward L LanceDirector
Sale
9,250$99.76$922.7K0(I)

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May 12, 2026May 13 8:11 PMOrlando D CarvalhoDirector
Sale
7,000$89.36$625.5K52,448(D)

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May 11, 2026May 12 8:15 PMSteven RatnerEVP, CHRO
Sale
2,000$92.46$184.9K32,238(D)

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May 12, 2026May 12 6:50 PMCarvalho Orlando D
Proposed Sale
7,000$89.36$625.5K—

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May 11, 2026May 11 7:59 PMRatner Steven
Proposed Sale
2,000$92.46$184.9K—

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Apr 16, 2026Apr 17 9:13 PMDavid E. FarnsworthEVP, CFO
Sale
3,625$84.87$307.7K157,701(D)

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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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