InsiderFlow

MRCY

Mercury Systems, Inc.$83.51-0.59 (-0.70%)
Prev Close$84.09·MCap$4.49B·P/E·Vol145.5K·Yield

Buys (12M)

0

$0.00

Sells (12M)

22

$215.00M

Net Activity

Net Seller

$215.00M

Active Insiders

8

last 12 mo

Over the past 12 months, insider activity at Mercury Systems, Inc. (MRCY) has been exclusively selling, with 0 insider purchases totaling $0.00 and 22 insider sales totaling $215.00M. The most recent insider transaction was by JANA Partners Management, LP (director, other: See Remarks), who sold $41.41M worth of shares on Mar 4, 2026. Mercury Systems, Inc. operates in the Industrials sector, within the Aerospace & Defense industry, with a market cap of $4.49B.

MRCY Insider Trading Activity

DateInsiderTypeValue
Mar 4, 2026 JANA Partners Management, LPSell$41.41M0.8% OS
Feb 27, 2026 LANCE HOWARD LSell$430.0K
Feb 19, 2026 KUPINSKY STUARTSell$191.1K
Feb 19, 2026 Munro DouglasSell$48.6K
Feb 17, 2026 KUPINSKY STUARTSell$191.1K
Feb 17, 2026 Munro DouglasSell$48.6K
Feb 11, 2026 JANA Partners Management, LPSell$32.40M0.7% OS
Nov 13, 2025 Munro DouglasSell$97.6K
Nov 10, 2025 JANA Partners Management, LPSell$75.45M1.7% OS
Nov 10, 2025 Plunkett Debora ASell$125.8K
Sep 17, 2025 Munro DouglasSell$4.9K
Aug 25, 2025 Ratner StevenSell$446.3K
Aug 20, 2025 Munro DouglasSell$48.4K
Aug 20, 2025 Ratner StevenSell$223.7K
Aug 20, 2025 Ballhaus William LSell$1.53M
Aug 20, 2025 Farnsworth David E.Sell$976.3K
Aug 20, 2025 KUPINSKY STUARTSell$157.3K
Aug 15, 2025 JANA Partners Management, LPSell$52.14M1.3% OS
Jun 18, 2025 Ratner StevenSell$98.3K
May 16, 2025 Munro DouglasSell$109.8K
May 12, 2025 Ratner StevenSell$200.6K
May 9, 2025 JANA Partners Management, LPSell$8.67M
Feb 19, 2025 KUPINSKY STUARTSell$104.9K
Feb 19, 2025 Munro DouglasSell$26.3K
Feb 19, 2025 Wells Charles Roger IVSell$103.3K
Nov 19, 2024 Wells Charles Roger IVSell$59.2K
Sep 18, 2024 Munro DouglasSell$2.6K
Sep 13, 2024 Plunkett Debora ASell$70.2K
Aug 29, 2024 JANA Partners Management, LPBuy$506.6K
Aug 26, 2024 Ratner StevenSell$15.9K
Aug 23, 2024 Ratner StevenSell$149.5K
Aug 21, 2024 Ballhaus William LSell$258.6K
Aug 21, 2024 Farnsworth David E.Sell$265.2K
Aug 21, 2024 Georges StephanieSell$52.9K
Aug 21, 2024 Munro DouglasSell$13.6K
Aug 21, 2024 Ratner StevenSell$38.5K
Aug 21, 2024 Wells Charles Roger IVSell$53.1K
Jun 20, 2024 Ratner StevenSell$61.1K
Feb 28, 2024 JANA Partners Management, LPBuy$11.06M0.6% OS
Feb 21, 2024 Ratner StevenSell$59.7K
Feb 20, 2024 Georges StephanieSell$41.7K
Feb 20, 2024 Munro DouglasSell$8.2K
Feb 20, 2024 Wells Charles Roger IVSell$50.2K
Feb 13, 2024 Ballhaus William LBuy$203.1K
Feb 13, 2024 JANA Partners Management, LPBuy$37.27M2.2% OS
Feb 12, 2024 Farnsworth David E.Buy$100.2K
Feb 12, 2024 LANCE HOWARD LBuy$200.4K
Feb 12, 2024 Nearhos Barry RBuy$95.0K
Dec 21, 2023 McCarthy Michelle MSell$8.5K
Nov 30, 2023 JANA Partners Management, LPBuy$8.23M
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MRCY Insider Buying Activity

The following table shows recent insider purchases of Mercury Systems, Inc. (MRCY) stock reported via SEC Form 4 filings.

DateInsiderTypeValue
Aug 29, 2024 JANA Partners Management, LPBuy$506.6K
Feb 28, 2024 JANA Partners Management, LPBuy$11.06M0.6% OS
Feb 13, 2024 Ballhaus William LBuy$203.1K
Feb 13, 2024 JANA Partners Management, LPBuy$37.27M2.2% OS
Feb 12, 2024 Farnsworth David E.Buy$100.2K
Feb 12, 2024 LANCE HOWARD LBuy$200.4K
Feb 12, 2024 Nearhos Barry RBuy$95.0K
Nov 30, 2023 JANA Partners Management, LPBuy$8.23M

MRCY Insider Selling Activity

The following table shows recent insider sales of Mercury Systems, Inc. (MRCY) stock reported via SEC Form 4 filings.

DateInsiderTypeValue
Mar 4, 2026 JANA Partners Management, LPSell$41.41M0.8% OS
Feb 27, 2026 LANCE HOWARD LSell$430.0K
Feb 19, 2026 KUPINSKY STUARTSell$191.1K
Feb 19, 2026 Munro DouglasSell$48.6K
Feb 17, 2026 KUPINSKY STUARTSell$191.1K
Feb 17, 2026 Munro DouglasSell$48.6K
Feb 11, 2026 JANA Partners Management, LPSell$32.40M0.7% OS
Nov 13, 2025 Munro DouglasSell$97.6K
Nov 10, 2025 JANA Partners Management, LPSell$75.45M1.7% OS
Nov 10, 2025 Plunkett Debora ASell$125.8K
Sep 17, 2025 Munro DouglasSell$4.9K
Aug 25, 2025 Ratner StevenSell$446.3K
Aug 20, 2025 Munro DouglasSell$48.4K
Aug 20, 2025 Ratner StevenSell$223.7K
Aug 20, 2025 Ballhaus William LSell$1.53M
Aug 20, 2025 Farnsworth David E.Sell$976.3K
Aug 20, 2025 KUPINSKY STUARTSell$157.3K
Aug 15, 2025 JANA Partners Management, LPSell$52.14M1.3% OS
Jun 18, 2025 Ratner StevenSell$98.3K
May 16, 2025 Munro DouglasSell$109.8K
May 12, 2025 Ratner StevenSell$200.6K
May 9, 2025 JANA Partners Management, LPSell$8.67M
Feb 19, 2025 KUPINSKY STUARTSell$104.9K
Feb 19, 2025 Munro DouglasSell$26.3K
Feb 19, 2025 Wells Charles Roger IVSell$103.3K
Nov 19, 2024 Wells Charles Roger IVSell$59.2K
Sep 18, 2024 Munro DouglasSell$2.6K
Sep 13, 2024 Plunkett Debora ASell$70.2K
Aug 26, 2024 Ratner StevenSell$15.9K
Aug 23, 2024 Ratner StevenSell$149.5K
Aug 21, 2024 Ballhaus William LSell$258.6K
Aug 21, 2024 Farnsworth David E.Sell$265.2K
Aug 21, 2024 Georges StephanieSell$52.9K
Aug 21, 2024 Munro DouglasSell$13.6K
Aug 21, 2024 Ratner StevenSell$38.5K
Aug 21, 2024 Wells Charles Roger IVSell$53.1K
Jun 20, 2024 Ratner StevenSell$61.1K
Feb 21, 2024 Ratner StevenSell$59.7K
Feb 20, 2024 Georges StephanieSell$41.7K
Feb 20, 2024 Munro DouglasSell$8.2K
Feb 20, 2024 Wells Charles Roger IVSell$50.2K
Dec 21, 2023 McCarthy Michelle MSell$8.5K

MRCY Insiders

JANA Partners Management, LP

director, other: See Remarks

Bought $65.75MSold $210.07M
10 tradesLast: Mar 4, 2026
LANCE HOWARD L

Director

Bought $803.3KSold $430.0K
4 tradesLast: Feb 27, 2026
KUPINSKY STUART

officer: EVP, CLO & Corp Sec

Sold $644.3K
4 tradesLast: Feb 19, 2026
Munro Douglas

VP, CAO

Sold $408.6K
10 tradesLast: Feb 19, 2026
Plunkett Debora A

Director

Sold $195.9K
2 tradesLast: Nov 10, 2025
Ratner Steven

EVP, CHRO

Sold $1.29M
9 tradesLast: Aug 25, 2025
Farnsworth David E.

EVP, CFO & Treasurer

Bought $100.2KSold $1.24M
3 tradesLast: Aug 20, 2025
Ballhaus William L

President & CEO

Bought $1.70MSold $1.79M
4 tradesLast: Aug 20, 2025
Wells Charles Roger IV

EVP, COO

Sold $318.3K
5 tradesLast: Feb 19, 2025
Georges Stephanie

EVP, CCO

Sold $94.6K
2 tradesLast: Aug 21, 2024
Nearhos Barry R

Director

Bought $95.0K
1 tradesLast: Feb 12, 2024
McCarthy Michelle M

VP, CAO

Sold $523.2K
13 tradesLast: Dec 21, 2023
Carvalho Orlando D

Director

Bought $1.18M
1 tradesLast: Nov 14, 2023
Couture Allen

EVP, Execution Excellence

Sold $98.7K
1 tradesLast: Oct 19, 2023
Stevison James Mitch

EVP, President Mission Systems

Sold $219.5K
4 tradesLast: Oct 17, 2023
CAMBRIA CHRISTOPHER C

EVP, Gen Counsel & Secretary

Sold $422.4K
8 tradesLast: Sep 8, 2023
KRONE ROGER A

Director

Bought $577.5K
1 tradesLast: Aug 22, 2023
JANA PARTNERS LLC

Director

Bought $1.90M
1 tradesLast: Aug 22, 2023
ASLETT MARK

President and CEO

Sold $3.68M
8 tradesLast: Feb 23, 2023
Huber Thomas

EVP Chief Transformation Offic

Sold $192.6K
3 tradesLast: Feb 23, 2023
Ruppert Michael

EVP, CFO and Treasurer

Sold $733.2K
4 tradesLast: Feb 21, 2023
Perry Brian E

EVP, President Processing

Sold $267.5K
3 tradesLast: Aug 22, 2022