MRCY

MERCURY SYSTEMS INC

Electronic Components & AccessoriesNasdaqLarge accelerated filer

Total Trades

83

Buys

15

Sells

64

Largest Trade

N/A

Insiders

21

Institutional Funds

287

Inst. Value

$1M+

Activist Filings

32

Insider Trades

InsiderTitleTypeValueSharesPriceDate
CAMBRIA CHRISTOPHER CEVPSELL$15K–$50K712$36.83Aug 18, 2023
McCarthy Michelle MSVP, CAOSELL$15K–$50K514$36.14Aug 18, 2023
McCarthy Michelle MSVPSELL$15K–$50K546$52.90Feb 23, 2023
Stevison James MitchEVPSELL$15K–$50K731$52.90Feb 23, 2023
ASLETT MARKPresident and CEOSELL$500K+10K$52.90Feb 23, 2023
CAMBRIA CHRISTOPHER CEVPSELL$15K–$50K833$52.90Feb 23, 2023
Huber ThomasEVP Chief Transfor…SELL$15K–$50K631$52.90Feb 23, 2023
CAMBRIA CHRISTOPHER CEVPSELL$50K–$100K934$54.13Feb 21, 2023
ASLETT MARKPresident and CEOSELL$500K+9K$54.13Feb 21, 2023
Huber ThomasEVP Chief Transfor…SELL$15K–$50K725$54.14Feb 21, 2023
McCarthy Michelle MSVP, CAOSELL$15K–$50K534$54.13Feb 21, 2023
Stevison James MitchEVPSELL$15K–$50K823$54.13Feb 21, 2023
Ruppert MichaelEVPSELL$100K–$500K3K$54.14Feb 21, 2023
Stevison James MitchEVPSELL$50K–$100K2K$42.89Oct 18, 2022
Huber ThomasEVP Chief Transfor…SELL$100K–$500K3K$46.45Sep 16, 2022
McCarthy Michelle MVP, CAOSELL$15K–$50K468$51.72Aug 26, 2022
McCarthy Michelle MVP, CAOSELL$50K–$100K2K$51.23Aug 22, 2022
Perry Brian EEVPSELL$100K–$500K3K$51.32Aug 22, 2022
Ruppert MichaelEVPSELL$100K–$500K7K$51.52Aug 22, 2022
CAMBRIA CHRISTOPHER CEVPSELL$100K–$500K3K$51.37Aug 22, 2022
ASLETT MARKPresident and CEOSELL$1M+21K$51.52Aug 22, 2022
McCarthy Michelle MVP, CAOSELL$50K–$100K1K$51.23Aug 18, 2022
Ruppert MichaelEVPSELL$100K–$500K3K$51.24Aug 18, 2022
CAMBRIA CHRISTOPHER CEVPSELL$50K–$100K1K$51.34Aug 18, 2022
Perry Brian EEVPSELL$50K–$100K2K$51.26Aug 18, 2022
ASLETT MARKPresident and CEOSELL$100K–$500K9K$51.30Aug 18, 2022
Ruppert MichaelEVPSELL$50K–$100K1K$51.40Aug 17, 2022
Perry Brian EEVPSELL$15K–$50K931$51.46Aug 17, 2022
McCarthy Michelle MVP, CAOSELL$15K–$50K837$51.44Aug 17, 2022
CAMBRIA CHRISTOPHER CEVPSELL$15K–$50K465$51.49Aug 17, 2022
ASLETT MARKPresident and CEOSELL$100K–$500K4K$51.35Aug 17, 2022
McCarthy Michelle MVP, CAOSELL$15K–$50K830$50.03Aug 10, 2022
LANCE HOWARD LDirectorBUY$100K–$500K5K$50.59Aug 8, 2022
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Activist & 5%+ Owners

SC 13D/13G filings — investors holding 5%+ of outstanding shares

JANA Partners Management, LP

SC 13D/A · Mar 5, 2026

6.9%

4.1M shares

4.2%

2.5M shares

JANA Partners Management, LP

SC 13D/A · Nov 10, 2025

8.3%

5.0M shares

JANA Partners Management, LP

SC 13D/A · Aug 16, 2025

10.0%

6.0M shares

7.9%

4.7M shares

BlackRock, Inc.

SC 13G/A · Jul 18, 2025

13.3%

8.0M shares

STATE STREET CORPORATION

SC 13G · May 13, 2025

5.0%

3.0M shares

9.0%

5.4M shares

10.8%

6.4M shares

STATE STREET CORPORATION

SC 13G · Feb 5, 2025

4.9%

2.9M shares

12.3%

7.3M shares

BlackRock, Inc.

SC 13G/A · Nov 8, 2024

14.6%

8.7M shares

BlackRock, Inc.

SC 13G/A · Oct 23, 2024

14.6%

8.7M shares

The Vanguard Group - 23-1945930

SC 13G/A · Feb 13, 2024

9.6%

5.7M shares

JANA PARTNERS MANAGEMENT, LP

SC 13D/A · Feb 13, 2024

511.0%

6.6M shares

11.1%

6.6M shares

BlackRock, Inc.

SC 13G/A · Jan 23, 2024

12.6%

7.5M shares

11.6%

6.7M shares

BlackRock, Inc.

SC 13G/A · Aug 8, 2023

10.1%

5.9M shares

JANA PARTNERS LLC

SC 13D · Jul 6, 2023

58.0%

4.7M shares

STARBOARD VALUE LP

SC 13D/A · Jun 15, 2023

4.6%

2.7M shares

0.1%

63K shares

9.0%

5.2M shares

JANA PARTNERS LLC

SC 13D/A · Feb 3, 2023

54.6%

2.7M shares

BlackRock, Inc.

SC 13G/A · Jan 24, 2023

9.8%

5.7M shares

JANA PARTNERS LLC

SC 13D/A · Jun 27, 2022

55.6%

3.2M shares

STARBOARD VALUE LP

SC 13D/A · Jun 24, 2022

7.2%

4.2M shares

BlackRock, Inc.

SC 13G/A · Feb 1, 2022

9.6%

5.5M shares

5.2%

2.9M shares

STARBOARD VALUE LP

SC 13D/A · Jan 13, 2022

7.3%

4.2M shares

6.5%

3.7M shares

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