Key facts
- MRCY - MERCURY SYSTEMS INC has 32 insiders with reported activity on this page.
- Net insider value flow over the last year: -$206,900,990.
- Recent transaction rows are available for direct filing-level review.
Insider Transactions Reported by 32 Insiders of MERCURY SYSTEMS INC
- Symbol
- MRCY on Nasdaq
- Location
- Andover, MA
Change
- Buy value: ; sell value: $206,900,989.
- Net share flow: -2,726,231.
Research use
- This page gives a plain-language issuer insider context before you inspect transaction-level evidence.
- Use the filing links below to verify timestamps, codes, and ownership impacts directly from SEC forms.
Evidence
Filed on Form 4
See Original Filing
Issuer insider activity is sourced from SEC Forms 3, 4, and 5.
Insider trading overview
Last 12 monthsNet insider flow leans to selling over the last 12 months. Net value: -$206,900,990.
Buys
$0
Shares: 0
Insiders: 0
Sells
$206,900,990
Shares: 2,726,231
Insiders: 9
Net
-$206,900,990
Shares: -2,726,231
Insiders: -9
| Window (months) | Buy shares | Sell shares | Buy $ | Sell $ | Net $ |
|---|---|---|---|---|---|
| 0-3 | 0 | 464,682 | $0 | $42,530,353 | -$42,530,353 |
| 3-6 | 0 | 407,701 | $0 | $33,069,680 | -$33,069,680 |
| 6-9 | 0 | 1,003,096 | $0 | $75,678,272 | -$75,678,272 |
| 9-12 | 0 | 850,752 | $0 | $55,622,685 | -$55,622,685 |
MERCURY SYSTEMS INC executives and other stock owners filed with the SEC include:
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| JANA Partners Management, LP | Director, Other* | $368,998,942 | -$201,401,986 | -35% | Filing P/S | 02 Mar 2026 |
| JANA PARTNERS LLC | Director, Other* | $173,843,076 | Mixed | 18 Aug 2023 | ||
| William L. Ballhaus | Chairman, President & CEO, Director | $24,608,248 | -$1,532,692 | -5.9% | Mixed | 18 Aug 2025 |
| Mark Aslett | President and CEO, Director | $18,784,325 | Mixed | 21 Feb 2023 | ||
| David E. Farnsworth | Evp, Cfo | $13,487,842 | -$1,283,945 | -8.7% | Mixed | 16 Apr 2026 |
| Didier M. C. Thibaud | Evp, Coo | $9,073,968 | Mixed | 16 Aug 2021 | ||
| Michael Ruppert | EVP, CFO and Treasurer | $7,479,843 | Mixed | 16 Feb 2023 | ||
| Stuart Kupinsky | EVP, CLO & Corp Sec | $5,791,927 | -$348,360 | -5.7% | Mixed | 17 Feb 2026 |
| Christopher C. Cambria | EVP, Gen Counsel & Secretary | $5,028,011 | Mixed | 06 Sep 2023 | ||
| Orlando D. Carvalho | Director | $4,686,805 | -$625,527 | -12% | Filing P/S | 12 May 2026 |
| Charles Roger Wells IV | Evp, Coo | $4,290,000 | Mixed | 15 Feb 2025 | ||
| Howard L. Lance | Director | $3,361,328 | -$429,960 | -11% | Mixed | 25 Feb 2026 |
| Brian E. Perry | EVP, President Processing | $3,246,810 | Mixed | 18 Aug 2022 | ||
| James M. Stevison | EVP, President Mission Systems | $3,207,439 | Mixed | 16 Oct 2023 | ||
| Michael A. Daniels | Director | $3,002,283 | Mixed | 27 Oct 2021 | ||
| Steven Ratner | Evp, Chro | $3,001,650 | -$953,236 | -24% | Mixed | 11 May 2026 |
| Barry R. Nearhos | Director | $2,539,020 | Median | 16 Apr 2026 | ||
| Bass James K. | Director | $2,495,593 | Mixed | 27 Oct 2021 | ||
| William K. Obrien | Director | $2,475,557 | Mixed | 26 Oct 2022 | ||
| Thomas Huber | EVP Chief Transformation Offic | $2,459,137 | Mixed | 21 Feb 2023 | ||
| Allen Couture | EVP, Execution Excellence | $2,425,338 | Mixed | 18 Oct 2023 | ||
| Lisa S. Disbrow | Director | $2,417,666 | Mixed | 22 Oct 2025 | ||
| Christine Fox Harbison | EVP and Chief Growth Officer | $1,935,991 | Mixed | 17 Aug 2023 | ||
| Gerard J. DeMuro | Director | $1,353,029 | Mixed | 22 Oct 2025 | ||
| Stephanie Georges | Evp, Cco | $1,341,625 | Mixed | 19 Aug 2024 | ||
| Debora A. Plunkett | Director | $1,245,483 | -$125,784 | -9.2% | Filing P/S | 07 Nov 2025 |
| Michelle M. McCarthy | Svp, Cao | $1,232,337 | Mixed | 19 Dec 2023 | ||
| Douglas Munro | Svp, Cao | $1,222,238 | -$199,501 | -14% | Mixed | 17 Feb 2026 |
| KRONE ROGER A | Director | $1,139,618 | Mixed | 23 Oct 2024 | ||
| Mary Louise Krakauer | Director | $714,355 | Mixed | 26 Oct 2022 | ||
| Jean A. Bua | Director | $604,881 | Mixed | 22 Oct 2025 | ||
| Scott Ostfeld | Director | Mixed | 10 Jul 2023 |
Top shareholders of MERCURY SYSTEMS INC (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.
Methodology: rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
| Holder | Source | Role / Reporting | Ownership % | Shares | Holdings Value | 12M Net Δ | As of | Details |
|---|---|---|---|---|---|---|---|---|
| BlackRock, Inc. |
13F
13D/G
|
Company |
13%
from 13D/G
|
8,920,325
|
$650,380,862 | — | 31 Mar 2026 | |
| JANA Partners Management, LP |
3/4/5
13D/G
13F
|
Director, Other* · Company |
6.9%
from 13D/G
|
4,114,618
|
$368,998,942 | -$201,401,986 | 02 Mar 2026 | |
| STATE STREET CORP |
13D/G
13F
|
STATE STREET CORPORATION · Company |
6.4%
|
3,865,719
|
$307,711,232 | +$69,931,306 | 31 Mar 2026 | |
| WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC |
13D/G
13F
|
Company |
4.2%
|
2,526,133
|
$195,522,694 | -$167,923,170 | 30 Sep 2025 | |
| William L. Ballhaus |
3/4/5
|
Chairman, President & CEO, Director |
0.63%
|
383,198
|
$24,608,248 | -$1,532,692 | 18 Aug 2025 | |
| David E. Farnsworth |
3/4/5
|
EVP, CFO |
0.26%
|
159,120
|
$13,487,842 | -$1,283,945 | 16 Apr 2026 | |
| Stuart Kupinsky |
3/4/5
|
EVP, CLO & Corp Sec |
0.11%
|
69,092
|
$5,791,927 | -$348,360 | 17 Feb 2026 | |
| Orlando D. Carvalho |
3/4/5
|
Director |
0.09%
|
52,448
|
$4,686,805 | -$625,527 | 12 May 2026 | |
| Howard L. Lance |
3/4/5
|
Director |
0.06%
|
36,522
|
$3,361,328 | -$429,960 | 25 Feb 2026 | |
| Barry R. Nearhos |
3/4/5
|
Director |
0.06%
|
34,824
|
$2,539,020 | — | 16 Apr 2026 | |
| Steven Ratner |
3/4/5
|
EVP, CHRO |
0.05%
|
32,525
|
$3,001,650 | -$953,236 | 11 May 2026 | |
| Lisa S. Disbrow |
3/4/5
|
Director |
0.05%
|
31,236
|
$2,417,666 | — | 22 Oct 2025 | |
| Gerard J. DeMuro |
3/4/5
|
Director |
0.03%
|
17,481
|
$1,353,029 | — | 22 Oct 2025 | |
| Debora A. Plunkett |
3/4/5
|
Director |
0.03%
|
16,833
|
$1,245,483 | -$125,784 | 07 Nov 2025 | |
| Douglas Munro |
3/4/5
|
SVP, CAO |
0.02%
|
14,576
|
$1,222,238 | -$199,501 | 17 Feb 2026 | |
| Jean A. Bua |
3/4/5
|
Director |
0.01%
|
7,815
|
$604,881 | — | 22 Oct 2025 | |
| VANGUARD PORTFOLIO MANAGEMENT LLC |
13F
|
Company |
4.8%
|
2,910,904
|
$212,234,011 | — | 31 Mar 2026 | |
| Invesco Ltd. |
13F
|
Company |
4%
|
2,441,578
|
$178,015,453 | — | 31 Mar 2026 | |
| VANGUARD CAPITAL MANAGEMENT LLC |
13F
|
Company |
4%
|
2,403,818
|
$175,262,370 | — | 31 Mar 2026 | |
| Conestoga Capital Advisors, LLC |
13F
|
Company |
3.2%
|
1,918,591
|
$139,884,470 | — | 31 Mar 2026 | |
| T. Rowe Price Investment Management, Inc. |
13F
|
Company |
2.6%
|
1,579,832
|
$115,186,000 | — | 31 Mar 2026 | |
| GEODE CAPITAL MANAGEMENT, LLC |
13F
|
Company |
2.5%
|
1,525,716
|
$111,257,977 | — | 31 Mar 2026 | |
| DIMENSIONAL FUND ADVISORS LP |
13F
|
Company |
2%
|
1,227,975
|
$89,518,765 | — | 31 Mar 2026 | |
| GOLDMAN SACHS GROUP INC |
13F
|
Company |
2%
|
1,201,112
|
$87,573,077 | — | 31 Mar 2026 | |
| FIRST TRUST ADVISORS LP |
13F
|
Company |
1.9%
|
1,160,775
|
$84,632,105 | — | 31 Mar 2026 | |
| PRICE T ROWE ASSOCIATES INC /MD/ |
13F
|
Company |
1.7%
|
1,028,609
|
$74,997,000 | — | 31 Mar 2026 | |
| AMERIPRISE FINANCIAL INC |
13F
|
Company |
1.6%
|
991,808
|
$72,312,870 | — | 31 Mar 2026 | |
| Fisher Asset Management, LLC |
13F
|
Company |
1.6%
|
980,367
|
$71,478,621 | — | 31 Mar 2026 | |
| SEGALL BRYANT & HAMILL, LLC |
13F
|
Company |
1.5%
|
934,824
|
$68,158,018 | — | 31 Mar 2026 | |
| Neuberger Berman Group LLC |
13F
|
Company |
1.5%
|
910,418
|
$66,256,335 | — | 31 Mar 2026 | |
| FMR LLC |
13F
|
Company |
1.5%
|
903,668
|
$65,886,385 | — | 31 Mar 2026 | |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. |
13F
|
Company |
1.4%
|
859,447
|
$62,662,281 | — | 31 Mar 2026 | |
| VAN ECK ASSOCIATES CORP |
13F
|
Company |
1.4%
|
851,145
|
$62,057,000 | — | 31 Mar 2026 | |
| RAYMOND JAMES FINANCIAL INC |
13F
|
Company |
1.3%
|
794,029
|
$56,270,002 | — | 31 Mar 2026 | |
| WELLINGTON MANAGEMENT GROUP LLP |
13F
|
Company |
1.3%
|
755,525
|
$55,085,328 | — | 31 Mar 2026 | |
| JENNISON ASSOCIATES LLC |
13F
|
Company |
1.1%
|
688,114
|
$50,170,391 | — | 31 Mar 2026 | |
| MORGAN STANLEY |
13F
|
Company |
1.1%
|
671,331
|
$48,946,783 | — | 31 Mar 2026 | |
| LOOMIS SAYLES & CO L P |
13F
|
Company |
1.1%
|
645,932
|
$47,094,902 | — | 31 Mar 2026 | |
| BAMCO INC /NY/ |
13F
|
Company |
1.1%
|
645,066
|
$47,031,762 | — | 31 Mar 2026 | |
| LORD, ABBETT & CO. LLC |
13F
|
Company |
1.1%
|
642,466
|
$46,842,000 | — | 31 Mar 2026 | |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC |
13F
|
Company |
1.1%
|
635,970
|
$46,368,573 | — | 31 Mar 2026 | |
| VOYA INVESTMENT MANAGEMENT LLC |
13F
|
Company |
1%
|
609,256
|
$44,420,855 | — | 31 Mar 2026 | |
| EMERALD ADVISERS, LLC |
13F
|
Company |
0.99%
|
595,314
|
$43,404,344 | — | 31 Mar 2026 | |
| KENNEDY CAPITAL MANAGEMENT LLC |
13F
|
Company |
0.98%
|
589,249
|
$42,962,145 | — | 31 Mar 2026 | |
| AMERICAN CENTURY COMPANIES INC |
13F
|
Company |
0.97%
|
582,895
|
$42,498,874 | — | 31 Mar 2026 | |
| SNYDER CAPITAL MANAGEMENT L P |
13F
|
Company |
0.96%
|
580,654
|
$42,335,483 | — | 31 Mar 2026 | |
| Allspring Global Investments Holdings, LLC |
13F
|
Company |
0.95%
|
573,456
|
$42,865,836 | — | 31 Mar 2026 | |
| NORTHERN TRUST CORP |
13F
|
Company |
0.91%
|
548,063
|
$39,959,272 | — | 31 Mar 2026 | |
| ROYAL BANK OF CANADA |
13F
|
Company |
0.88%
|
532,687
|
$38,839,000 | — | 31 Mar 2026 | |
| FRANKLIN RESOURCES INC |
13F
|
Company |
0.75%
|
453,633
|
$33,074,382 | — | 31 Mar 2026 |
Recent Insider Transactions by Companies or Individuals for MERCURY SYSTEMS INC
Showing up to 300 most recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | Value $ | * Price $ | Shares | Shares Owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| Orlando D. Carvalho | MRCY | Common Stock | Sale | -11.8% | $625,527 | $89.36 | -7,000 | 52,448 | 12 May 2026 | Direct |
| Steven Ratner | MRCY | Common Stock | Sale | -5.84% | $184,920 | $92.46 | -2,000 | 32,238 | 11 May 2026 | Direct |
| Barry R. Nearhos | MRCY | Common Stock | Award | 0.79% | 245 | 31,324 | 16 Apr 2026 | Direct | ||
| David E. Farnsworth | MRCY | Common Stock | Sale | -2.25% | $307,661 | $84.87 | -3,625 | 157,701 | 16 Apr 2026 | Direct |
| Steven Ratner | MRCY | Common Stock | Award | 1.29% | 437 | 34,238 | 16 Mar 2026 | Direct | ||
| JANA Partners Management, LP | MRCY | Common Stock | Sale | -2.39% | $9,048,622 | $89.68 | -100,899 | 4,114,618 | 04 Mar 2026 | See footnote |
| JANA Partners Management, LP | MRCY | Common Stock | Sale | -3.85% | $15,198,558 | $90.12 | -168,648 | 4,215,517 | 03 Mar 2026 | See footnote |
| JANA Partners Management, LP | MRCY | Common Stock, par value $0.01 per share ("Common Stock") | Sale | -4% | $17,165,066 | $94.05 | -182,510 | 4,384,165 | 02 Mar 2026 | See footnote |
| Howard L. Lance | MRCY | Common Stock | Sale | -15% | $429,960 | $88.98 | -4,832 | 27,272 | 25 Feb 2026 | Direct |
| Stuart Kupinsky | MRCY | Common Stock | Sale | -3.25% | $191,091 | $83.56 | -2,287 | 68,010 | 17 Feb 2026 | Direct |
| Douglas Munro | MRCY | Common Stock | Sale | -3.9% | $48,629 | $83.56 | -582 | 14,328 | 17 Feb 2026 | Direct |
| JANA Partners Management, LP | MRCY | Common Stock, par value $0.01 per share | Sale | -8.05% | $32,400,000 | $81.00 | -400,000 | 4,566,675 | 09 Feb 2026 | See footnote |
| Barry R. Nearhos | MRCY | Common Stock | Award | 1.55% | 474 | 31,079 | 15 Jan 2026 | Direct | ||
| Douglas Munro | MRCY | Common Stock | Sale | -8.3% | $97,570 | $73.42 | -1,329 | 14,678 | 12 Nov 2025 | Direct |
| Debora A. Plunkett | MRCY | Common Stock | Sale | -9.17% | $125,784 | $73.99 | -1,700 | 16,833 | 07 Nov 2025 | Direct |
| JANA Partners Management, LP | MRCY | Common Stock, par value $0.01 per share | Sale | -16.8% | $75,450,000 | $75.45 | -1,000,000 | 4,966,675 | 06 Nov 2025 | See footnote |
| Jean A. Bua | MRCY | Common Stock | Award | 43.3% | 2,362 | 7,815 | 22 Oct 2025 | Direct | ||
| JANA Partners Management, LP | MRCY | Common Stock, par value $0.01 per share | Award | 0.04% | 2,362 | 5,966,675 | 22 Oct 2025 | See footnotes | ||
| Debora A. Plunkett | MRCY | Common Stock | Award | 14.6% | 2,362 | 18,533 | 22 Oct 2025 | Direct | ||
| Gerard J. Demuro | MRCY | Common Stock | Award | 15.6% | 2,362 | 17,481 | 22 Oct 2025 | Direct | ||
| Barry R. Nearhos | MRCY | Common Stock | Award | 8.36% | 2,362 | 30,605 | 22 Oct 2025 | Direct | ||
| Howard L. Lance | MRCY | Common Stock | Award | 7.94% | 2,362 | 32,104 | 22 Oct 2025 | Direct | ||
| Orlando D. Carvalho | MRCY | Common Stock | Award | 4.14% | 2,362 | 59,448 | 22 Oct 2025 | Direct | ||
| Lisa S. Disbrow | MRCY | Common Stock | Award | 8.18% | 2,362 | 31,236 | 22 Oct 2025 | Direct | ||
| Barry R. Nearhos | MRCY | Common Stock | Award | 1.75% | 487 | 28,243 | 16 Oct 2025 | Direct | ||
| Douglas Munro | MRCY | Common Stock | Sale | -0.42% | $4,918 | $73.40 | -67 | 16,007 | 16 Sep 2025 | Direct |
| Steven Ratner | MRCY | Common Stock | Sale | -17.2% | $446,312 | $63.76 | -7,000 | 33,801 | 20 Aug 2025 | Direct |
| Douglas Munro | MRCY | Common Stock | Sale | -2.29% | $24,238 | $64.46 | -376 | 16,074 | 19 Aug 2025 | Direct |
| Steven Ratner | MRCY | Common Stock | Sale | -4.08% | $111,845 | $64.46 | -1,735 | 40,801 | 19 Aug 2025 | Direct |
| Stuart Kupinsky | MRCY | Common Stock | Sale | -1.71% | $78,646 | $64.46 | -1,220 | 70,297 | 19 Aug 2025 | Direct |
| David E. Farnsworth | MRCY | Common Stock | Sale | -4.48% | $488,121 | $64.46 | -7,572 | 161,326 | 19 Aug 2025 | Direct |
| William L. Ballhaus | MRCY | Common Stock | Sale | -3.36% | $841,255 | $64.46 | -13,050 | 374,976 | 19 Aug 2025 | Direct |
| Douglas Munro | MRCY | Common Stock | Sale | -2.16% | $24,145 | $66.52 | -363 | 16,450 | 18 Aug 2025 | Direct |
| Steven Ratner | MRCY | Common Stock | Sale | -3.8% | $111,814 | $66.52 | -1,681 | 42,536 | 18 Aug 2025 | Direct |
| Stuart Kupinsky | MRCY | Common Stock | Sale | -1.63% | $78,622 | $66.52 | -1,182 | 71,517 | 18 Aug 2025 | Direct |
| David E. Farnsworth | MRCY | Common Stock | Sale | -4.16% | $488,163 | $66.52 | -7,339 | 168,898 | 18 Aug 2025 | Direct |
| William L. Ballhaus | MRCY | Common Stock | Sale | -2.61% | $691,437 | $66.52 | -10,395 | 388,026 | 18 Aug 2025 | Direct |
| Douglas Munro | MRCY | Common Stock | Award | 25.2% | 3,380 | 16,813 | 15 Aug 2025 | Direct | ||
| Steven Ratner | MRCY | Common Stock | Award | 25.7% | 9,043 | 44,217 | 15 Aug 2025 | Direct | ||
| Stuart Kupinsky | MRCY | Common Stock | Award | 15.7% | 9,865 | 72,699 | 15 Aug 2025 | Direct | ||
| David E. Farnsworth | MRCY | Common Stock | Award | 8.07% | 13,153 | 176,237 | 15 Aug 2025 | Direct | ||
| William L. Ballhaus | MRCY | Common Stock | Award | 12.7% | 44,940 | 398,421 | 15 Aug 2025 | Direct | ||
| JANA Partners Management, LP | MRCY | Common Stock, par value $0.01 per share | Sale | -11.8% | $52,139,740 | $65.42 | -797,000 | 5,964,313 | 13 Aug 2025 | See footnote |
| Barry R. Nearhos | MRCY | Common Stock | Award | 2.46% | 666 | 27,756 | 17 Jul 2025 | Direct | ||
| Steven Ratner | MRCY | Common Stock | Sale | -4.97% | $98,345 | $53.48 | -1,839 | 35,174 | 16 Jun 2025 | Direct |
* An asterisk sign (*) next to the price indicates that the price is likely invalid.