MRCY

MERCURY SYSTEMS INC

Latest Form 4:Sale$44KbyMunro Douglas (SVP, CAO) · filed Aug 19, 2026

MERCURY SYSTEMS INC (MRCY) has 21 SEC Form 4 filings (29 transaction rows) in the rolling window, disclosed by 8 distinct insiders. Most recent filing: Aug 19, 2026.

The most active filer is Director JANA Partners Management, LP with 4 filings. Insiders have net sold $48.6M over the trailing 6 months.

  • Industry:Aerospace & Defense
  • CEO:William L. Ballhaus
  • Employees:2,162
  • HQ:Andover, MA, US
  • IPO:1998-01-30

Insider Buying

$0

reported purchases (SEC code P)

Insider Selling

$81.3M

reported sales (SEC code S)

Unique Insiders

8

in the rolling window

Market Cap

$6.3B

latest known value

Source
Munro DouglasFirst in 6 months
Sale$44KAug 19SEC ↗
Munro DouglasFirst in 6 months
Sale$55KAug 19SEC ↗
Ratner StevenFirst in 3 months
Sale$119KAug 19SEC ↗
Ratner StevenFirst in 3 months
Sale$219KAug 19SEC ↗
KUPINSKY STUARTFirst in 6 months
Sale$131KAug 19SEC ↗
KUPINSKY STUARTFirst in 6 months
Sale$131KAug 19SEC ↗
Ballhaus William LFirst filing
Sale$389KAug 19SEC ↗
Ballhaus William LFirst filing
Sale$2.7MAug 19SEC ↗
Farnsworth David E.First in 4 months
Sale$148KAug 19SEC ↗
Farnsworth David E.First in 4 months
Sale$818KAug 19SEC ↗
Sale$923KMay 27SEC ↗
Carvalho Orlando DFirst filing
Sale$626KMay 13SEC ↗
Ratner StevenFirst filing
Sale$185KMay 12SEC ↗
Sale$308KApr 17SEC ↗
Sale$17.2MMar 4SEC ↗
Sale$15.2MMar 4SEC ↗
Sale$9.0MMar 4SEC ↗
LANCE HOWARD LFirst filing
Sale$430KFeb 27SEC ↗
Munro DouglasFirst filing
Sale$49KFeb 19SEC ↗
KUPINSKY STUARTFirst filing
Sale$191KFeb 19SEC ↗
Sale$32.4MFeb 11SEC ↗

Related companies

MERCURY SYSTEMS INC is in the Manufacturing sector.