Form 4 Tracker
William L Ballhaus

Director, Chairman, President & CEO · 6 filings · Latest: Aug 25, 2026

MERCURY SYSTEMS INC
TickerOwnerRelationshipDateTransactionCost#SharesValue ($)#Shares TotalSEC Filing
MRCY
William L BallhausDirector, Chairman, President & CEOAug 26, 2026
Sale
$89.1049,090$4.4M361,822.325
MRCY
William L BallhausDirector, Chairman, President & CEOAug 26, 2026
Option Exercise
$43.0068,476$2.9M410,912.325
MRCY
William L BallhausDirector, Chairman, President & CEOAug 25, 2026
Sale
$87.12111,076$9.7M342,436.325
MRCY
William L BallhausDirector, Chairman, President & CEOAug 25, 2026
Option Exercise
$43.00153,676$6.6M453,512.325
MRCY
Ballhaus William L—Aug 26, 2026
Proposed Sale
$89.1049,090$4.4M—
MRCY
William L BallhausDirector, Chairman, President & CEOAug 24, 2026
Sale
$89.50108,209$9.7M299,836.325
MRCY
William L BallhausDirector, Chairman, President & CEOAug 24, 2026
Option Exercise
$42.07151,998$6.4M408,045.325
MRCY
William L BallhausDirector, Chairman, President & CEOAug 21, 2026
Sale
$92.4165,000$6.0M256,047.325
MRCY
William L BallhausDirector, Chairman, President & CEOAug 21, 2026
Option Exercise
$42.0092,850$3.9M321,047.325
MRCY
Ballhaus William L—Aug 25, 2026
Proposed Sale
$87.12111,076$9.7M—
MRCY
Ballhaus William L—Aug 24, 2026
Proposed Sale
$90.258,088$730.0K—
MRCY
Ballhaus William L—Aug 24, 2026
Proposed Sale
$89.44100,121$9.0M—
MRCY
William L BallhausDirector, Chairman, President & CEOAug 20, 2026
Sale
$97.6722,010$2.1M228,197.325
MRCY
William L BallhausDirector, Chairman, President & CEOAug 19, 2026
Sale
$100.3126,802$2.7M250,207.325
MRCY
Ballhaus William L—Aug 21, 2026
Proposed Sale
$92.4165,000$6.0M—
MRCY
Ballhaus William L—Aug 20, 2026
Proposed Sale
$97.6722,010$2.1M—
MRCY
William L BallhausDirector, Chairman, President & CEOAug 18, 2026
Sale
$111.3624,144$2.7M277,009.325
MRCY
William L BallhausDirector, Chairman, President & CEOAug 17, 2026
Sale
$109.953,536$388.8K301,153.325
MRCY
Ballhaus William L—Aug 19, 2026
Proposed Sale
$100.3126,802$2.7M—
MRCY
Ballhaus William L—Aug 18, 2026
Proposed Sale
$111.3624,144$2.7M—

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