In the last 12 months, insiders at MERCURY SYSTEMS INC ($MRCY) filed 113 transactions with the SEC: 10 open-market purchases totaling $49,433,149 and 51 sales totaling $216,193,582. Net insider sentiment: net selling.
MERCURY SYSTEMS INC operates in the Electronic components & accessories industry (Manufacturing sector).
Most Active Insiders
- JANA Partners Management, LP (Other) — 15 transactions totaling $258,902,216
- Ballhaus William L (Chairman, President & CEO) — 9 transactions totaling $2,010,391
- Ratner Steven (EVP, CHRO) — 18 transactions totaling $1,293,534
- Farnsworth David E. (EVP, CFO) — 7 transactions totaling $1,241,466
- LANCE HOWARD L (Director) — 4 transactions totaling $630,351
View all SEC Filings for MERCURY SYSTEMS INC (MRCY).
Set Up your own filters →Recent Insider Transactions
| Transaction Date | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|
| March 16, 2026 | Ratner Steven | EVP, CHRO | A | Common Stock | 437 | $0.00 | 34,473.0000 | 60,014,632 | 1.28% | 0.00% |
| March 4, 2026 | JANA Partners Management, LP | Other | S | Common Stock | 100899 | $89.68 | 4,114,618.0000 | 60,014,632 | 2.39% | 0.17% |
| March 2, 2026 | JANA Partners Management, LP | Other | S | Common Stock, par value $0.01 per share ("Common Stock") | 182510 | $94.05 | 4,384,165.0000 | 60,014,632 | 4.00% | 0.30% |
| March 3, 2026 | JANA Partners Management, LP | Other | S | Common Stock | 168648 | $90.12 | 4,215,517.0000 | 60,014,632 | 3.85% | 0.28% |
| Feb. 25, 2026 | LANCE HOWARD L | Director | S | Common Stock | 4832 | $88.98 | 36,522.0000 | 60,014,632 | 11.68% | 0.01% |
| Feb. 17, 2026 | KUPINSKY STUART | EVP, CLO & Corp Sec | S | Common Stock | 2287 | $83.56 | 69,092.0000 | 60,014,632 | 3.20% | 0.00% |
| Feb. 17, 2026 | Munro Douglas | SVP, CAO | S | Common Stock | 582 | $83.56 | 14,576.0000 | 60,014,632 | 3.84% | 0.00% |
| Feb. 9, 2026 | JANA Partners Management, LP | Other | S | Common Stock, par value $0.01 per share | 400000 | $81.00 | 4,566,675.0000 | 60,014,632 | 8.05% | 0.67% |
| Jan. 15, 2026 | Nearhos Barry R | Director | A | Common Stock | 474 | $0.00 | 34,579.0000 | 60,100,136 | 1.39% | 0.00% |
| Nov. 12, 2025 | Munro Douglas | SVP, CAO | S | Common Stock | 1329 | $73.42 | 14,900.0000 | 60,100,136 | 8.19% | 0.00% |
| Nov. 7, 2025 | Plunkett Debora A | Director | S | Common Stock | 1700 | $73.99 | 16,833.0000 | 60,100,136 | 9.17% | 0.00% |
| Nov. 6, 2025 | JANA Partners Management, LP | Other | S | Common Stock, par value $0.01 per share | 1000000 | $75.45 | 4,966,675.0000 | 60,100,136 | 16.76% | 1.66% |
| Oct. 22, 2025 | JANA Partners Management, LP | Other | A | Common Stock, par value $0.01 per share | 2362 | $0.00 | 5,966,675.0000 | 59,915,670 | 0.04% | 0.00% |
| Oct. 22, 2025 | DISBROW LISA S | Director | A | Common Stock | 2362 | $0.00 | 31,236.0000 | 59,915,670 | 8.18% | 0.00% |
| Oct. 22, 2025 | Carvalho Orlando D | Director | A | Common Stock | 2362 | $0.00 | 59,448.0000 | 59,915,670 | 4.14% | 0.00% |
| Oct. 22, 2025 | LANCE HOWARD L | Director | A | Common Stock | 2362 | $0.00 | 41,354.0000 | 59,915,670 | 6.06% | 0.00% |
| Oct. 22, 2025 | Nearhos Barry R | Director | A | Common Stock | 2362 | $0.00 | 34,105.0000 | 59,915,670 | 7.44% | 0.00% |
| Oct. 22, 2025 | DEMURO GERARD J | Director | A | Common Stock | 2362 | $0.00 | 17,481.0000 | 59,915,670 | 15.62% | 0.00% |
| Oct. 22, 2025 | Plunkett Debora A | Director | A | Common Stock | 2362 | $0.00 | 18,533.0000 | 59,915,670 | 14.61% | 0.00% |
| Oct. 22, 2025 | BUA JEAN A | Director | A | Common Stock | 2362 | $0.00 | 7,815.0000 | 59,915,670 | 43.32% | 0.00% |
| Oct. 16, 2025 | Nearhos Barry R | Director | A | Common Stock | 487 | $0.00 | 31,743.0000 | 59,915,670 | 1.56% | 0.00% |
| Sept. 16, 2025 | Munro Douglas | VP, CAO | S | Common Stock | 67 | $73.40 | 16,229.0000 | 59,915,670 | 0.41% | 0.00% |
| Aug. 20, 2025 | Ratner Steven | EVP, CHRO | S | Common Stock | 7000 | $63.76 | 33,882.0000 | 59,915,670 | 17.12% | 0.01% |
| Aug. 18, 2025 | KUPINSKY STUART | EVP, CLO & Corp Sec | S | Common Stock | 1182 | $66.52 | 72,525.0000 | 59,915,670 | 1.60% | 0.00% |
| Aug. 18, 2025 | Munro Douglas | VP, CAO | S | Common Stock | 363 | $66.52 | 16,549.0000 | 59,915,670 | 2.15% | 0.00% |
| Aug. 19, 2025 | Ratner Steven | EVP, CHRO | S | Common Stock | 1735 | $64.46 | 40,882.0000 | 59,915,670 | 4.07% | 0.00% |
| Aug. 18, 2025 | Ratner Steven | EVP, CHRO | S | Common Stock | 1681 | $66.52 | 42,617.0000 | 59,915,670 | 3.79% | 0.00% |
| Aug. 19, 2025 | Munro Douglas | VP, CAO | S | Common Stock | 376 | $64.46 | 16,173.0000 | 59,915,670 | 2.27% | 0.00% |
| Aug. 19, 2025 | Ballhaus William L | Chairman, President & CEO | S | Common Stock | 13050 | $64.46 | 383,198.4980 | 59,915,670 | 3.29% | 0.02% |
| Aug. 19, 2025 | Farnsworth David E. | EVP, CFO | S | Common Stock | 7572 | $64.46 | 162,618.0000 | 59,915,670 | 4.45% | 0.01% |
| Aug. 18, 2025 | Ballhaus William L | Chairman, President & CEO | S | Common Stock | 10395 | $66.52 | 396,248.4980 | 59,915,670 | 2.56% | 0.02% |
| Aug. 18, 2025 | Farnsworth David E. | EVP, CFO | S | Common Stock | 7339 | $66.52 | 170,190.0000 | 59,915,670 | 4.13% | 0.01% |
| Aug. 19, 2025 | KUPINSKY STUART | EVP, CLO & Corp Sec | S | Common Stock | 1220 | $64.46 | 71,305.0000 | 59,915,670 | 1.68% | 0.00% |
| Aug. 15, 2025 | Ballhaus William L | Chairman, President & CEO | A | Common Stock | 44940 | $0.00 | 406,643.4980 | 59,915,670 | 12.42% | 0.08% |
| Aug. 15, 2025 | Munro Douglas | VP, CAO | A | Common Stock | 3380 | $0.00 | 16,912.0000 | 59,915,670 | 24.98% | 0.01% |
| Aug. 15, 2025 | Ratner Steven | EVP, CHRO | A | Common Stock | 9043 | $0.00 | 44,298.0000 | 59,915,670 | 25.65% | 0.02% |
| Aug. 15, 2025 | KUPINSKY STUART | EVP, CLO & Corp Sec | A | Common Stock | 9865 | $0.00 | 73,707.0000 | 59,915,670 | 15.45% | 0.02% |
| Aug. 15, 2025 | Farnsworth David E. | EVP, CFO | A | Common Stock | 13153 | $0.00 | 177,529.0000 | 59,915,670 | 8.00% | 0.02% |
| Aug. 13, 2025 | JANA Partners Management, LP | Other | S | Common Stock, par value $0.01 per share | 797000 | $65.42 | 5,964,313.0000 | 59,915,670 | 11.79% | 1.33% |
| July 17, 2025 | Nearhos Barry R | Director | A | Common Stock | 666 | $0.00 | 31,256.0000 | 0 | 2.18% | 0.00% |
| June 16, 2025 | Ratner Steven | EVP, CHRO | S | Common Stock | 1839 | $53.48 | 35,215.0000 | 0 | 4.96% | 0.00% |
| May 14, 2025 | Munro Douglas | VP, CAO | S | Common Stock | 1610 | $45.64 | 13,433.0000 | 0 | 10.70% | 0.00% |
| May 14, 2025 | Munro Douglas | VP, CAO | S | Common Stock | 809 | $44.88 | 13,433.0000 | 0 | 5.68% | 0.00% |
| May 16, 2025 | Ratner Steven | EVP, CHRO | D | Common Stock | 19174 | $0.00 | 37,013.0000 | 0 | 34.13% | 0.00% |
| May 8, 2025 | Ratner Steven | EVP, CHRO | S | Common Stock | 3892 | $47.70 | 56,187.0000 | 0 | 6.48% | 0.00% |
| May 8, 2025 | Ratner Steven | EVP, CHRO | S | Common Stock | 325 | $46.03 | 56,187.0000 | 0 | 0.58% | 0.00% |
| May 8, 2025 | JANA Partners Management, LP | Other | S | Common Stock | 88152 | $46.27 | 6,861,313.0000 | 0 | 1.27% | 0.00% |
| May 9, 2025 | JANA Partners Management, LP | Other | S | Common Stock | 100000 | $45.87 | 6,761,313.0000 | 0 | 1.46% | 0.00% |
| April 17, 2025 | Nearhos Barry R | Director | A | Common Stock | 761 | $0.00 | 30,590.0000 | 0 | 2.55% | 0.00% |
| April 15, 2025 | Farnsworth David E. | EVP, CFO | A | Common Stock | 22306 | $0.00 | 164,194.0000 | 0 | 15.72% | 0.00% |
| Feb. 18, 2025 | KUPINSKY STUART | EVP, CLO & Corp Sec | S | Common Stock | 2377 | $44.12 | 63,562.0000 | 0 | 3.60% | 0.00% |
| Feb. 18, 2025 | Wells Charles Roger IV | EVP, COO | S | Common Stock | 2342 | $44.12 | 97,226.0000 | 0 | 2.35% | 0.00% |
| Feb. 15, 2025 | Wells Charles Roger IV | EVP, COO | D | Common Stock | 15091 | $0.00 | 99,568.0000 | 0 | 13.16% | 0.00% |
| Feb. 18, 2025 | Munro Douglas | VP, CAO | S | Common Stock | 595 | $44.12 | 15,280.0000 | 0 | 3.75% | 0.00% |
| Jan. 16, 2025 | Nearhos Barry R | Director | A | Common Stock | 826 | $0.00 | 29,829.0000 | 0 | 2.85% | 0.00% |
| Jan. 15, 2025 | BUA JEAN A | Director | A | Common Stock | 5453 | $0.00 | 5,453.0000 | 0 | 9999.99% | 0.00% |
| Nov. 15, 2024 | Wells Charles Roger IV | EVP, COO | D | Common Stock | 15393 | $0.00 | 116,214.0000 | 0 | 11.70% | 0.00% |
| Nov. 18, 2024 | Wells Charles Roger IV | EVP, COO | S | Common Stock | 1527 | $38.80 | 114,687.0000 | 0 | 1.31% | 0.00% |
| Oct. 23, 2024 | Nearhos Barry R | Director | A | Common Stock | 4832 | $0.00 | 29,003.0000 | 0 | 19.99% | 0.00% |
| Oct. 23, 2024 | DISBROW LISA S | Director | A | Common Stock | 4832 | $0.00 | 28,874.0000 | 0 | 20.10% | 0.00% |
| Oct. 23, 2024 | Carvalho Orlando D | Director | A | Common Stock | 4832 | $0.00 | 57,086.0000 | 0 | 9.25% | 0.00% |
| Oct. 23, 2024 | KRONE ROGER A | Director | A | Common Stock | 4832 | $0.00 | 30,311.0000 | 0 | 18.96% | 0.00% |
| Oct. 23, 2024 | LANCE HOWARD L | Director | A | Common Stock | 4832 | $0.00 | 38,992.0000 | 0 | 14.15% | 0.00% |
| Oct. 23, 2024 | DEMURO GERARD J | Director | A | Common Stock | 4832 | $0.00 | 15,119.0000 | 0 | 46.97% | 0.00% |
| Oct. 23, 2024 | JANA Partners Management, LP | Other | A | Common Stock | 4832 | $0.00 | 6,949,465.0000 | 0 | 0.07% | 0.00% |
| Oct. 23, 2024 | Plunkett Debora A | Director | A | Common Stock | 4832 | $0.00 | 16,171.0000 | 0 | 42.61% | 0.00% |
| Aug. 15, 2024 | KUPINSKY STUART | EVP, CLO & Corp Sec | A | Common Stock | 15657 | $0.00 | 65,618.0000 | 0 | 31.34% | 0.00% |
| Aug. 16, 2024 | Georges Stephanie | EVP, CCO | D | Common Stock | 4720 | $0.00 | 34,929.0000 | 0 | 11.90% | 0.00% |
| Aug. 15, 2024 | Farnsworth David E. | EVP, CFO | A | Common Stock | 20876 | $0.00 | 148,326.0000 | 0 | 16.38% | 0.00% |
| Aug. 15, 2024 | Ballhaus William L | Chairman, President & CEO | A | Common Stock | 69006 | $0.00 | 367,781.4980 | 0 | 23.10% | 0.00% |
| Sept. 16, 2024 | Munro Douglas | VP, CAO | S | Common Stock | 69 | $37.60 | 15,807.0000 | 0 | 0.43% | 0.00% |
| Aug. 15, 2024 | Munro Douglas | VP, CAO | A | Common Stock | 5364 | $0.00 | 16,092.0000 | 0 | 50.00% | 0.00% |
| Aug. 15, 2024 | Wells Charles Roger IV | EVP, COO | A | Common Stock | 26095 | $0.00 | 132,867.0000 | 0 | 24.44% | 0.00% |
| Aug. 30, 2024 | Plunkett Debora A | Director | S | Common Stock | 1843 | $38.07 | 11,339.0000 | 0 | 13.98% | 0.00% |
| Aug. 27, 2024 | JANA Partners Management, LP | Other | P | Common Stock | 13600 | $37.25 | 6,944,633.0000 | 0 | 0.20% | 0.00% |
| Aug. 15, 2024 | Ratner Steven | EVP, CHRO | A | Common Stock | 14352 | $0.00 | 65,374.0000 | 0 | 28.13% | 0.00% |
| Aug. 22, 2024 | Ratner Steven | EVP, CHRO | S | Common Stock | 430 | $36.90 | 60,079.0000 | 0 | 0.71% | 0.00% |
| Aug. 21, 2024 | Ratner Steven | EVP, CHRO | S | Common Stock | 3891 | $38.41 | 60,699.0000 | 0 | 6.02% | 0.00% |
| Aug. 19, 2024 | Ballhaus William L | Chairman, President & CEO | S | Common Stock | 6549 | $39.49 | 361,523.4980 | 0 | 1.78% | 0.00% |
| Aug. 19, 2024 | Georges Stephanie | EVP, CCO | S | Common Stock | 1340 | $39.49 | 33,978.0000 | 0 | 3.79% | 0.00% |
| Aug. 19, 2024 | Munro Douglas | VP, CAO | S | Common Stock | 345 | $39.49 | 15,892.0000 | 0 | 2.12% | 0.00% |
| Aug. 19, 2024 | Ratner Steven | EVP, CHRO | S | Common Stock | 974 | $39.49 | 64,590.0000 | 0 | 1.49% | 0.00% |
| Aug. 19, 2024 | Wells Charles Roger IV | EVP, COO | S | Common Stock | 1346 | $39.49 | 131,941.0000 | 0 | 1.01% | 0.00% |
| Aug. 19, 2024 | Farnsworth David E. | EVP, CFO | S | Common Stock | 6716 | $39.49 | 141,917.0000 | 0 | 4.52% | 0.00% |
| Aug. 15, 2024 | Munro Douglas | VP, CAO | A | Common Stock | 5364 | $0.00 | 16,237.0000 | 0 | 49.33% | 0.00% |
| Aug. 16, 2024 | Georges Stephanie | EVP, CCO | D | Common Stock | 4720 | $0.00 | 35,318.0000 | 0 | 11.79% | 0.00% |
| Aug. 15, 2024 | Ballhaus William L | Chairman, President & CEO | A | Common Stock | 69006 | $0.00 | 368,072.4980 | 0 | 23.07% | 0.00% |
| Aug. 15, 2024 | Farnsworth David E. | EVP, CFO | A | Common Stock | 20876 | $0.00 | 148,633.0000 | 0 | 16.34% | 0.00% |
| Aug. 15, 2024 | KUPINSKY STUART | EVP, CLO & Corp Sec | A | Common Stock | 15657 | $0.00 | 65,771.0000 | 0 | 31.24% | 0.00% |
| Aug. 15, 2024 | Wells Charles Roger IV | EVP, COO | A | Common Stock | 26095 | $0.00 | 133,287.0000 | 0 | 24.34% | 0.00% |
| Aug. 15, 2024 | Ratner Steven | EVP, CHRO | A | Common Stock | 14352 | $0.00 | 65,564.0000 | 0 | 28.02% | 0.00% |
| June 24, 2024 | Ballhaus William L | Chairman, President & CEO | F | Common Stock | 567 | $28.24 | 298,779.4980 | 0 | 0.19% | 0.00% |
| June 18, 2024 | Ratner Steven | EVP, CHRO | S | Common Stock | 2202 | $27.76 | 50,865.0000 | 0 | 4.15% | 0.00% |
| Feb. 28, 2024 | JANA Partners Management, LP | Other | P | Common Stock | 75000 | $29.63 | 6,931,033.0000 | 0 | 1.09% | 0.00% |
| Feb. 27, 2024 | JANA Partners Management, LP | Other | P | Common Stock | 284295 | $29.21 | 6,856,033.0000 | 0 | 4.33% | 0.00% |
| Feb. 26, 2024 | JANA Partners Management, LP | Other | P | Common Stock | 18618 | $28.53 | 6,571,738.0000 | 0 | 0.28% | 0.00% |
| Feb. 16, 2024 | Ratner Steven | EVP, CHRO | S | Common Stock | 251 | $29.42 | 52,604.0000 | 0 | 0.47% | 0.00% |
| Feb. 20, 2024 | Ratner Steven | EVP, CHRO | S | Common Stock | 129 | $28.75 | 52,604.0000 | 0 | 0.24% | 0.00% |
| Feb. 16, 2024 | Ratner Steven | EVP, CHRO | S | Common Stock | 1644 | $29.56 | 52,855.0000 | 0 | 3.02% | 0.00% |
| Feb. 16, 2024 | Munro Douglas | VP, CAO | S | Common Stock | 276 | $29.57 | 10,208.0000 | 0 | 2.63% | 0.00% |
| Feb. 15, 2024 | KUPINSKY STUART | EVP, CLO & Corp Sec | A | Common Stock | 22299 | $0.00 | 22,299.0000 | 0 | 9999.99% | 0.00% |
| Feb. 15, 2024 | KUPINSKY STUART | EVP, CLO & Corp Sec | A | Common Stock | 27255 | $0.00 | 49,554.0000 | 0 | 122.23% | 0.00% |
| Feb. 15, 2024 | Wells Charles Roger IV | EVP, COO | A | Common Stock | 7433 | $0.00 | 98,712.0000 | 0 | 8.14% | 0.00% |
| Feb. 16, 2024 | Wells Charles Roger IV | EVP, COO | S | Common Stock | 1696 | $29.57 | 106,101.0000 | 0 | 1.57% | 0.00% |
| Feb. 15, 2024 | Wells Charles Roger IV | EVP, COO | A | Common Stock | 9085 | $0.00 | 107,797.0000 | 0 | 9.20% | 0.00% |
| Feb. 16, 2024 | Georges Stephanie | EVP, CCO | S | Common Stock | 1409 | $29.57 | 39,279.0000 | 0 | 3.46% | 0.00% |
| Feb. 15, 2024 | Munro Douglas | VP, CAO | A | Common Stock | 3304 | $0.00 | 10,484.0000 | 0 | 46.02% | 0.00% |
| Feb. 12, 2024 | Ballhaus William L | Chairman, President & CEO | P | Common Stock | 3413 | $29.30 | 298,865.4980 | 0 | 1.16% | 0.00% |
| Feb. 9, 2024 | Ballhaus William L | Chairman, President & CEO | P | Common Stock | 3653 | $28.22 | 295,452.5260 | 0 | 1.25% | 0.00% |
| Feb. 9, 2024 | JANA Partners Management, LP | Other | P | Common Stock | 1335848 | $27.90 | 6,553,120.0000 | 0 | 25.60% | 0.00% |
| Feb. 9, 2024 | LANCE HOWARD L | Director | P | Common Stock | 7485 | $26.77 | 34,160.0000 | 0 | 28.06% | 0.00% |
| Feb. 9, 2024 | Nearhos Barry R | Director | P | Common Stock | 3500 | $27.15 | 24,171.0000 | 0 | 16.93% | 0.00% |
| Feb. 9, 2024 | Farnsworth David E. | EVP, CFO & Treasurer | P | Common Stock | 3567 | $28.09 | 126,976.0000 | 0 | 2.89% | 0.00% |