MRCY
Mercury Systems, Inc.$86.83+5.80 (+7.16%)Prev Close$81.03·MCap$4.84B·P/E—·Vol750.8K·Yield0.01%
▲
Buys (12M)
0
$0.00
▼
Sells (12M)
29
$152.80M
◆
Net Activity
Net Seller
$152.80M
●
Active Insiders
9
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 29 insider sales totaling $152.80M. The most recent insider transaction was by Ratner Steven (officer: EVP, CHRO), who sold $338.0K worth of shares on Sep 8, 2026. Mercury Systems, Inc. operates in the Industrials sector, within the Aerospace & Defense industry, with a market cap of $4.84B.
MRCY Insider Trading Activity
| Date | Insider | Role | Type | Shares | Avg Price | Value | Shares After |
|---|---|---|---|---|---|---|---|
| Sep 8, 2026 | Ratner Steven | officer: EVP, CHRO | Sell | 4,000 | $84.51 | $338.0K | 19,275 |
| Aug 27, 2026 | Ballhaus William L | director, officer: Chairman, President & CEO | Sell | 160,166 | $87.72 | $14.05M | 372,636-30% |
| Aug 25, 2026 | KUPINSKY STUART | officer: EVP, CLO & Corp Sec | Sell | 1,000 | $95.23 | $95.2K | 56,352 |
| Aug 25, 2026 | Ballhaus William L | director, officer: Chairman, President & CEO | Sell | 173,209 | $90.59 | $15.69M | 302,574-36% |
| Aug 25, 2026 | Ratner Steven | officer: EVP, CHRO | Sell | 356 | $91.36 | $32.5K | 0Exit |
| Aug 21, 2026 | Ratner Steven | officer: EVP, CHRO | Sell | 3,213 | $99.47 | $319.6K | 24,301 |
| Aug 21, 2026 | Ballhaus William L | director, officer: Chairman, President & CEO | Sell | 48,812 | $99.12 | $4.84M | 250,207 |
| Aug 21, 2026 | Farnsworth David E. | officer: EVP, CFO | Sell | 14,767 | $99.13 | $1.46M | 124,579 |
| Aug 21, 2026 | KUPINSKY STUART | officer: EVP, CLO & Corp Sec | Sell | 1,308 | $100.31 | $131.2K | 57,352 |
| Aug 21, 2026 | Munro Douglas | officer: SVP, CAO | Sell | 657 | $99.87 | $65.6K | 13,091 |
| Aug 19, 2026 | Farnsworth David E. | officer: EVP, CFO | Sell | 8,692 | $111.14 | $966.0K | 140,081 |
| Aug 19, 2026 | Munro Douglas | officer: SVP, CAO | Sell | 898 | $110.72 | $99.4K | 14,133 |
| Aug 19, 2026 | Ballhaus William L | director, officer: Chairman, President & CEO | Sell | 27,680 | $111.18 | $3.08M | 301,153 |
| Aug 19, 2026 | KUPINSKY STUART | officer: EVP, CLO & Corp Sec | Sell | 2,373 | $110.65 | $262.6K | 59,838 |
| Aug 19, 2026 | Ratner Steven | officer: EVP, CHRO | Sell | 3,055 | $110.86 | $338.7K | 28,459 |
| May 27, 2026 | LANCE HOWARD L | director | Sell | 9,250 | $99.76 | $922.7K | 1,250-88% |
| May 13, 2026 | Carvalho Orlando D | director | Sell | 7,000 | $89.36 | $625.5K | 52,448 |
| May 12, 2026 | Ratner Steven | officer: EVP, CHRO | Sell | 2,000 | $92.46 | $184.9K | 32,238 |
| Apr 17, 2026 | Farnsworth David E. | officer: EVP, CFO | Sell | 3,625 | $84.87 | $307.7K | 157,701 |
| Feb 27, 2026 | LANCE HOWARD L | director | Sell | 4,832 | $88.98 | $430.0K | 27,272 |
| Feb 19, 2026 | KUPINSKY STUART | officer: EVP, CLO & Corp Sec | Sell | 2,287 | $83.56 | $191.1K | 68,010 |
| Feb 19, 2026 | Munro Douglas | officer: SVP, CAO | Sell | 582 | $83.56 | $48.6K | 14,328 |
| Feb 17, 2026 | KUPINSKY STUART | EVP, CLO & Corp Sec | Sell | 2,287 | $83.56 | $191.1K | 0 |
| Feb 17, 2026 | Munro Douglas | SVP, CAO | Sell | 582 | $83.56 | $48.6K | 0 |
| Feb 11, 2026 | JANA Partners Management, LP | director, other: See Remarks | Sell | 400,000 | $81.00 | $32.40M0.7% OS | 4,566,675 |
| Nov 13, 2025 | Munro Douglas | SVP, CAO | Sell | 1,329 | $73.42 | $97.6K | 14,678 |
| Nov 10, 2025 | JANA Partners Management, LP | Director | Sell | 1,000,000 | $75.45 | $75.45M1.7% OS | 4,966,675 |
| Nov 10, 2025 | Plunkett Debora A | Director | Sell | 1,700 | $73.99 | $125.8K | 16,833 |
| Sep 17, 2025 | Munro Douglas | VP, CAO | Sell | 67 | $73.40 | $4.9K | 16,007 |
| Aug 25, 2025 | Ratner Steven | EVP, CHRO | Sell | 7,000 | $63.76 | $446.3K | 33,801 |
| Aug 20, 2025 | Ballhaus William L | Chairman, President & CEO | Sell | 23,445 | $65.37 | $1.53M | 388,026 |
| Aug 20, 2025 | Farnsworth David E. | EVP, CFO | Sell | 14,911 | $65.47 | $976.3K | 168,898 |
| Aug 20, 2025 | KUPINSKY STUART | EVP, CLO & Corp Sec | Sell | 2,402 | $65.47 | $157.3K | 71,517 |
| Aug 20, 2025 | Munro Douglas | VP, CAO | Sell | 739 | $65.47 | $48.4K | 16,450 |
| Aug 20, 2025 | Ratner Steven | EVP, CHRO | Sell | 3,416 | $65.47 | $223.7K | 42,536 |
| Aug 15, 2025 | JANA Partners Management, LP | Director | Sell | 797,000 | $65.42 | $52.14M1.3% OS | 5,964,313 |
| Jun 18, 2025 | Ratner Steven | EVP, CHRO | Sell | 1,839 | $53.48 | $98.3K | 35,174 |
| May 16, 2025 | Munro Douglas | VP, CAO | Sell | 2,419 | $45.39 | $109.8K | 13,433 |
| May 12, 2025 | Ratner Steven | EVP, CHRO | Sell | 4,217 | $47.57 | $200.6K | 56,187 |
| May 9, 2025 | JANA Partners Management, LP | Director | Sell | 188,152 | $46.06 | $8.67M | 6,861,313 |
| Feb 19, 2025 | KUPINSKY STUART | EVP, CLO & Corp Sec | Sell | 2,377 | $44.12 | $104.9K | 62,834 |
| Feb 19, 2025 | Munro Douglas | VP, CAO | Sell | 595 | $44.12 | $26.3K | 14,572 |
| Feb 19, 2025 | Wells Charles Roger IV | EVP, COO | Sell | 2,342 | $44.12 | $103.3K | 95,928 |
| Nov 19, 2024 | Wells Charles Roger IV | EVP, COO | Sell | 1,527 | $38.80 | $59.2K | 113,488 |
| Sep 18, 2024 | Munro Douglas | VP, CAO | Sell | 69 | $37.60 | $2.6K | 15,292 |
| Sep 13, 2024 | Plunkett Debora A | Director | Sell | 1,843 | $38.07 | $70.2K | 11,339 |
| Aug 29, 2024 | JANA Partners Management, LP | Director | Buy | 13,600 | $37.25 | $506.6K | 6,944,633 |
| Aug 26, 2024 | Ratner Steven | EVP, CHRO | Sell | 430 | $36.90 | $15.9K | 0Exit |
| Aug 23, 2024 | Ratner Steven | EVP, CHRO | Sell | 3,891 | $38.41 | $149.5K | 60,079 |
| Aug 21, 2024 | Ballhaus William L | Chairman, President & CEO | Sell | 6,549 | $39.49 | $258.6K | 353,481 |
Showing 1–50 of 119
1 / 3
MRCY Insider Buying Activity
The following table shows recent insider purchases of Mercury Systems, Inc. (MRCY) stock reported via SEC Form 4 filings.
| Date | Insider | Role | Type | Shares | Avg Price | Value | Shares After |
|---|---|---|---|---|---|---|---|
| Aug 29, 2024 | JANA Partners Management, LP | Director | Buy | 13,600 | $37.25 | $506.6K | 6,944,633 |
MRCY Insider Selling Activity
The following table shows recent insider sales of Mercury Systems, Inc. (MRCY) stock reported via SEC Form 4 filings.
| Date | Insider | Role | Type | Shares | Avg Price | Value | Shares After |
|---|---|---|---|---|---|---|---|
| Sep 8, 2026 | Ratner Steven | officer: EVP, CHRO | Sell | 4,000 | $84.51 | $338.0K | 19,275 |
| Aug 27, 2026 | Ballhaus William L | director, officer: Chairman, President & CEO | Sell | 160,166 | $87.72 | $14.05M | 372,636-30% |
| Aug 25, 2026 | KUPINSKY STUART | officer: EVP, CLO & Corp Sec | Sell | 1,000 | $95.23 | $95.2K | 56,352 |
| Aug 25, 2026 | Ballhaus William L | director, officer: Chairman, President & CEO | Sell | 173,209 | $90.59 | $15.69M | 302,574-36% |
| Aug 25, 2026 | Ratner Steven | officer: EVP, CHRO | Sell | 356 | $91.36 | $32.5K | 0Exit |
| Aug 21, 2026 | Ratner Steven | officer: EVP, CHRO | Sell | 3,213 | $99.47 | $319.6K | 24,301 |
| Aug 21, 2026 | Ballhaus William L | director, officer: Chairman, President & CEO | Sell | 48,812 | $99.12 | $4.84M | 250,207 |
| Aug 21, 2026 | Farnsworth David E. | officer: EVP, CFO | Sell | 14,767 | $99.13 | $1.46M | 124,579 |
| Aug 21, 2026 | KUPINSKY STUART | officer: EVP, CLO & Corp Sec | Sell | 1,308 | $100.31 | $131.2K | 57,352 |
| Aug 21, 2026 | Munro Douglas | officer: SVP, CAO | Sell | 657 | $99.87 | $65.6K | 13,091 |
| Aug 19, 2026 | Farnsworth David E. | officer: EVP, CFO | Sell | 8,692 | $111.14 | $966.0K | 140,081 |
| Aug 19, 2026 | Munro Douglas | officer: SVP, CAO | Sell | 898 | $110.72 | $99.4K | 14,133 |
| Aug 19, 2026 | Ballhaus William L | director, officer: Chairman, President & CEO | Sell | 27,680 | $111.18 | $3.08M | 301,153 |
| Aug 19, 2026 | KUPINSKY STUART | officer: EVP, CLO & Corp Sec | Sell | 2,373 | $110.65 | $262.6K | 59,838 |
| Aug 19, 2026 | Ratner Steven | officer: EVP, CHRO | Sell | 3,055 | $110.86 | $338.7K | 28,459 |
| May 27, 2026 | LANCE HOWARD L | director | Sell | 9,250 | $99.76 | $922.7K | 1,250-88% |
| May 13, 2026 | Carvalho Orlando D | director | Sell | 7,000 | $89.36 | $625.5K | 52,448 |
| May 12, 2026 | Ratner Steven | officer: EVP, CHRO | Sell | 2,000 | $92.46 | $184.9K | 32,238 |
| Apr 17, 2026 | Farnsworth David E. | officer: EVP, CFO | Sell | 3,625 | $84.87 | $307.7K | 157,701 |
| Feb 27, 2026 | LANCE HOWARD L | director | Sell | 4,832 | $88.98 | $430.0K | 27,272 |
| Feb 19, 2026 | KUPINSKY STUART | officer: EVP, CLO & Corp Sec | Sell | 2,287 | $83.56 | $191.1K | 68,010 |
| Feb 19, 2026 | Munro Douglas | officer: SVP, CAO | Sell | 582 | $83.56 | $48.6K | 14,328 |
| Feb 17, 2026 | KUPINSKY STUART | EVP, CLO & Corp Sec | Sell | 2,287 | $83.56 | $191.1K | 0 |
| Feb 17, 2026 | Munro Douglas | SVP, CAO | Sell | 582 | $83.56 | $48.6K | 0 |
| Feb 11, 2026 | JANA Partners Management, LP | director, other: See Remarks | Sell | 400,000 | $81.00 | $32.40M0.7% OS | 4,566,675 |
| Nov 13, 2025 | Munro Douglas | SVP, CAO | Sell | 1,329 | $73.42 | $97.6K | 14,678 |
| Nov 10, 2025 | JANA Partners Management, LP | Director | Sell | 1,000,000 | $75.45 | $75.45M1.7% OS | 4,966,675 |
| Nov 10, 2025 | Plunkett Debora A | Director | Sell | 1,700 | $73.99 | $125.8K | 16,833 |
| Sep 17, 2025 | Munro Douglas | VP, CAO | Sell | 67 | $73.40 | $4.9K | 16,007 |
| Aug 25, 2025 | Ratner Steven | EVP, CHRO | Sell | 7,000 | $63.76 | $446.3K | 33,801 |
| Aug 20, 2025 | Ballhaus William L | Chairman, President & CEO | Sell | 23,445 | $65.37 | $1.53M | 388,026 |
| Aug 20, 2025 | Farnsworth David E. | EVP, CFO | Sell | 14,911 | $65.47 | $976.3K | 168,898 |
| Aug 20, 2025 | KUPINSKY STUART | EVP, CLO & Corp Sec | Sell | 2,402 | $65.47 | $157.3K | 71,517 |
| Aug 20, 2025 | Munro Douglas | VP, CAO | Sell | 739 | $65.47 | $48.4K | 16,450 |
| Aug 20, 2025 | Ratner Steven | EVP, CHRO | Sell | 3,416 | $65.47 | $223.7K | 42,536 |
| Aug 15, 2025 | JANA Partners Management, LP | Director | Sell | 797,000 | $65.42 | $52.14M1.3% OS | 5,964,313 |
| Jun 18, 2025 | Ratner Steven | EVP, CHRO | Sell | 1,839 | $53.48 | $98.3K | 35,174 |
| May 16, 2025 | Munro Douglas | VP, CAO | Sell | 2,419 | $45.39 | $109.8K | 13,433 |
| May 12, 2025 | Ratner Steven | EVP, CHRO | Sell | 4,217 | $47.57 | $200.6K | 56,187 |
| May 9, 2025 | JANA Partners Management, LP | Director | Sell | 188,152 | $46.06 | $8.67M | 6,861,313 |
| Feb 19, 2025 | KUPINSKY STUART | EVP, CLO & Corp Sec | Sell | 2,377 | $44.12 | $104.9K | 62,834 |
| Feb 19, 2025 | Munro Douglas | VP, CAO | Sell | 595 | $44.12 | $26.3K | 14,572 |
| Feb 19, 2025 | Wells Charles Roger IV | EVP, COO | Sell | 2,342 | $44.12 | $103.3K | 95,928 |
| Nov 19, 2024 | Wells Charles Roger IV | EVP, COO | Sell | 1,527 | $38.80 | $59.2K | 113,488 |
| Sep 18, 2024 | Munro Douglas | VP, CAO | Sell | 69 | $37.60 | $2.6K | 15,292 |
| Sep 13, 2024 | Plunkett Debora A | Director | Sell | 1,843 | $38.07 | $70.2K | 11,339 |
| Aug 26, 2024 | Ratner Steven | EVP, CHRO | Sell | 430 | $36.90 | $15.9K | 0Exit |
| Aug 23, 2024 | Ratner Steven | EVP, CHRO | Sell | 3,891 | $38.41 | $149.5K | 60,079 |
| Aug 21, 2024 | Ballhaus William L | Chairman, President & CEO | Sell | 6,549 | $39.49 | $258.6K | 353,481 |
MRCY Insiders
JANA Partners Management, LP
director, other: See Remarks
Bought $65.75MSold $168.66M
9 tradesLast: Feb 11, 2026
Similar Stocks to MRCY
GE
GE Aerospace
$308.01-3.00%
$337.64B
RTX
RTX Corporation
$195.74+0.21%
$266.25B
LMT
Lockheed Martin Corporation
$534.88+1.03%
$121.04B
GD
General Dynamics Corporation
$359.65+0.78%
$95.42B
NOC
Northrop Grumman Corporation
$534.54+1.36%
$73.24B
TDG
TransDigm Group Incorporated
$1087.45-2.14%
$62.96B
AXON
Axon Enterprise, Inc.
$442.14-9.77%
$39.49B
RKLB
Rocket Lab USA, Inc.
$63.83+2.01%
$36.51B