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
| Date | Insider | Role | Type | Shares | Avg Price | Value | Shares After |
|---|---|---|---|---|---|---|---|
| Mar 4, 2026 | JANA Partners Management, LP | director, other: See Remarks | Sell | 452,057 | $91.61 | $41.41M0.8% OS | 4,384,165 |
| 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 | 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 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 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 |
| Aug 21, 2024 | Farnsworth David E. | EVP, CFO | Sell | 6,716 | $39.49 | $265.2K | 140,778 |
| Aug 21, 2024 | Georges Stephanie | EVP, CCO | Sell | 1,340 | $39.49 | $52.9K | 32,259 |
| Aug 21, 2024 | Munro Douglas | VP, CAO | Sell | 345 | $39.49 | $13.6K | 15,361 |
| Aug 21, 2024 | Ratner Steven | EVP, CHRO | Sell | 974 | $39.49 | $38.5K | 63,970 |
| Aug 21, 2024 | Wells Charles Roger IV | EVP, COO | Sell | 1,346 | $39.49 | $53.1K | 130,408 |
| Jun 20, 2024 | Ratner Steven | EVP, CHRO | Sell | 2,202 | $27.76 | $61.1K | 50,592 |
| Feb 28, 2024 | JANA Partners Management, LP | Director | Buy | 377,913 | $29.26 | $11.06M0.6% OS | 6,931,033 |
| Feb 21, 2024 | Ratner Steven | EVP, CHRO | Sell | 2,024 | $29.49 | $59.7K | 52,855 |
| Feb 20, 2024 | Georges Stephanie | EVP, CCO | Sell | 1,409 | $29.57 | $41.7K | 38,319 |
| Feb 20, 2024 | Munro Douglas | VP, CAO | Sell | 276 | $29.57 | $8.2K | 10,107 |
| Feb 20, 2024 | Wells Charles Roger IV | EVP, COO | Sell | 1,696 | $29.57 | $50.2K | 105,427 |
| Feb 13, 2024 | Ballhaus William L | Chairman, President & CEO | Buy | 7,065 | $28.74 | $203.1K | 7,066New Position |
| Feb 13, 2024 | JANA Partners Management, LP | Director | Buy | 1,335,848 | $27.90 | $37.27M2.2% OS | 6,553,120+26% |
| Feb 12, 2024 | Farnsworth David E. | EVP, CFO & Treasurer | Buy | 3,567 | $28.09 | $100.2K | 126,618 |
| Feb 12, 2024 | LANCE HOWARD L | Director | Buy | 7,485 | $26.77 | $200.4K | 24,910+43% |
| Feb 12, 2024 | Nearhos Barry R | Director | Buy | 3,500 | $27.15 | $95.0K | 3,500 |
| Dec 21, 2023 | McCarthy Michelle M | SVP, CAO | Sell | 231 | $36.90 | $8.5K | 32,724 |
| Nov 30, 2023 | JANA Partners Management, LP | Director | Buy | 245,964 | $33.46 | $8.23M | 5,217,272 |
Showing 1–50 of 101
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 |
| Feb 28, 2024 | JANA Partners Management, LP | Director | Buy | 377,913 | $29.26 | $11.06M0.6% OS | 6,931,033 |
| Feb 13, 2024 | Ballhaus William L | Chairman, President & CEO | Buy | 7,065 | $28.74 | $203.1K | 7,066New Position |
| Feb 13, 2024 | JANA Partners Management, LP | Director | Buy | 1,335,848 | $27.90 | $37.27M2.2% OS | 6,553,120+26% |
| Feb 12, 2024 | Farnsworth David E. | EVP, CFO & Treasurer | Buy | 3,567 | $28.09 | $100.2K | 126,618 |
| Feb 12, 2024 | LANCE HOWARD L | Director | Buy | 7,485 | $26.77 | $200.4K | 24,910+43% |
| Feb 12, 2024 | Nearhos Barry R | Director | Buy | 3,500 | $27.15 | $95.0K | 3,500 |
| Nov 30, 2023 | JANA Partners Management, LP | Director | Buy | 245,964 | $33.46 | $8.23M | 5,217,272 |
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 |
|---|---|---|---|---|---|---|---|
| Mar 4, 2026 | JANA Partners Management, LP | director, other: See Remarks | Sell | 452,057 | $91.61 | $41.41M0.8% OS | 4,384,165 |
| 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 | 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 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 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 |
| Aug 21, 2024 | Farnsworth David E. | EVP, CFO | Sell | 6,716 | $39.49 | $265.2K | 140,778 |
| Aug 21, 2024 | Georges Stephanie | EVP, CCO | Sell | 1,340 | $39.49 | $52.9K | 32,259 |
| Aug 21, 2024 | Munro Douglas | VP, CAO | Sell | 345 | $39.49 | $13.6K | 15,361 |
| Aug 21, 2024 | Ratner Steven | EVP, CHRO | Sell | 974 | $39.49 | $38.5K | 63,970 |
| Aug 21, 2024 | Wells Charles Roger IV | EVP, COO | Sell | 1,346 | $39.49 | $53.1K | 130,408 |
| Jun 20, 2024 | Ratner Steven | EVP, CHRO | Sell | 2,202 | $27.76 | $61.1K | 50,592 |
| Feb 21, 2024 | Ratner Steven | EVP, CHRO | Sell | 2,024 | $29.49 | $59.7K | 52,855 |
| Feb 20, 2024 | Georges Stephanie | EVP, CCO | Sell | 1,409 | $29.57 | $41.7K | 38,319 |
| Feb 20, 2024 | Munro Douglas | VP, CAO | Sell | 276 | $29.57 | $8.2K | 10,107 |
| Feb 20, 2024 | Wells Charles Roger IV | EVP, COO | Sell | 1,696 | $29.57 | $50.2K | 105,427 |
| Dec 21, 2023 | McCarthy Michelle M | SVP, CAO | Sell | 231 | $36.90 | $8.5K | 32,724 |
MRCY Insiders
JANA Partners Management, LP
director, other: See Remarks
Bought $65.75MSold $210.07M
10 tradesLast: Mar 4, 2026
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