MERCURY SYSTEMS INC — Insider Transactions
Form 4 filings by directors, officers, and 10%+ shareholders
SEC rules require corporate insiders — including directors, executive officers, and any shareholder owning more than 10% of a company's shares — to report changes in their ownership within two business days of a transaction. These disclosures are filed as Form 4. Open-market purchases (code P) are generally considered the most meaningful signal, as insiders are spending their own money.
| Insider | Title | Type | Shares | Price | Value | Owns After | Date |
|---|---|---|---|---|---|---|---|
| Munro Douglas | SVP, CAO | Sale | 1,329 | $73.42 | $97,575 | 14,678 | Nov 12, 2025 |
| Plunkett Debora A | — | Sale | 1,700 | $73.99 | $125,783 | 16,833 | Nov 7, 2025 |
| JANA Partners Management, LP | — | Sale | 1,000,000 | $75.45 | $75,450,000 | 4,966,675 | Nov 6, 2025 |
| BUA JEAN A | — | Award / Grant | 2,362 | — | — | 7,815 | Oct 22, 2025 |
| JANA Partners Management, LP | — | Award / Grant | 2,362 | — | — | 5,966,675 | Oct 22, 2025 |
| Plunkett Debora A | — | Award / Grant | 2,362 | — | — | 18,533 | Oct 22, 2025 |
| DEMURO GERARD J | — | Award / Grant | 2,362 | — | — | 17,481 | Oct 22, 2025 |
| Nearhos Barry R | — | Award / Grant | 2,362 | — | — | 30,605 | Oct 22, 2025 |
| LANCE HOWARD L | — | Award / Grant | 2,362 | — | — | 32,104 | Oct 22, 2025 |
| Carvalho Orlando D | — | Award / Grant | 2,362 | — | — | 59,448 | Oct 22, 2025 |
| DISBROW LISA S | — | Award / Grant | 2,362 | — | — | 31,236 | Oct 22, 2025 |
| Nearhos Barry R | — | Award / Grant | 487 | — | — | 28,243 | Oct 16, 2025 |
| Munro Douglas | VP, CAO | Sale | 67 | $73.40 | $4,918 | 16,007 | Sep 16, 2025 |
| Ratner Steven | EVP, CHRO | Sale | 7,000 | $63.76 | $446,320 | 33,801 | Aug 20, 2025 |
| Munro Douglas | VP, CAO | Sale | 363 | $66.52 | $24,147 | 16,450 | Aug 19, 2025 |
| Farnsworth David E. | EVP, CFO | Sale | 7,339 | $66.52 | $488,190 | 168,898 | Aug 19, 2025 |
| Ratner Steven | EVP, CHRO | Sale | 1,735 | $64.46 | $111,838 | 40,801 | Aug 18, 2025 |
| KUPINSKY STUART | EVP, CLO & Corp Sec | Sale | 1,220 | $64.46 | $78,641 | 70,297 | Aug 18, 2025 |
| Ballhaus William L | Chairman, President & CEO | Sale | 13,050 | $64.46 | $841,203 | 374,976 | Aug 18, 2025 |
| Munro Douglas | VP, CAO | Award / Grant | 3,380 | — | — | 16,813 | Aug 15, 2025 |
| Ratner Steven | EVP, CHRO | Award / Grant | 9,043 | — | — | 44,217 | Aug 15, 2025 |
| KUPINSKY STUART | EVP, CLO & Corp Sec | Award / Grant | 9,865 | — | — | 72,699 | Aug 15, 2025 |
| Farnsworth David E. | EVP, CFO | Award / Grant | 13,153 | — | — | 176,237 | Aug 15, 2025 |
| Ballhaus William L | Chairman, President & CEO | Award / Grant | 44,940 | — | — | 398,421 | Aug 15, 2025 |
| JANA Partners Management, LP | — | Sale | 797,000 | $65.42 | $52,139,740 | 5,964,313 | Aug 13, 2025 |
| Nearhos Barry R | — | Award / Grant | 666 | — | — | 27,756 | Jul 17, 2025 |
| Ratner Steven | EVP, CHRO | Sale | 1,839 | $53.48 | $98,350 | 35,174 | Jun 16, 2025 |
| Ratner Steven | EVP, CHRO | Disposition | 19,174 | — | — | 37,013 | May 16, 2025 |
| Munro Douglas | VP, CAO | Sale | 809 | $44.88 | $36,308 | — | May 14, 2025 |
| JANA Partners Management, LP | — | Sale | 88,152 | $46.27 | $4,078,793 | 6,861,313 | May 9, 2025 |
| Ratner Steven | EVP, CHRO | Sale | 325 | $46.03 | $14,960 | — | May 8, 2025 |
| Nearhos Barry R | — | Award / Grant | 761 | — | — | 27,090 | Apr 17, 2025 |
| Farnsworth David E. | EVP, CFO | Award / Grant | 22,306 | — | — | 163,084 | Apr 15, 2025 |
| KUPINSKY STUART | EVP, CLO & Corp Sec | Sale | 2,377 | $44.12 | $104,873 | 62,834 | Feb 18, 2025 |
| Munro Douglas | VP, CAO | Sale | 595 | $44.12 | $26,251 | 14,572 | Feb 18, 2025 |
| Wells Charles Roger IV | EVP, COO | Sale | 2,342 | $44.12 | $103,329 | 95,928 | Feb 15, 2025 |
| Nearhos Barry R | — | Award / Grant | 826 | — | — | 26,329 | Jan 16, 2025 |
| BUA JEAN A | — | Award / Grant | 5,453 | — | — | 5,453 | Jan 15, 2025 |
| Wells Charles Roger IV | EVP, COO | Sale | 1,527 | $38.80 | $59,248 | 113,488 | Nov 15, 2024 |
| JANA Partners Management, LP | — | Award / Grant | 4,832 | — | — | — | Oct 23, 2024 |
| Plunkett Debora A | — | Award / Grant | 4,832 | — | — | 16,171 | Oct 23, 2024 |
| Nearhos Barry R | — | Award / Grant | 4,832 | — | — | 25,503 | Oct 23, 2024 |
| DEMURO GERARD J | — | Award / Grant | 4,832 | — | — | 15,119 | Oct 23, 2024 |
| DISBROW LISA S | — | Award / Grant | 4,832 | — | — | 28,874 | Oct 23, 2024 |
| Carvalho Orlando D | — | Award / Grant | 4,832 | — | — | 57,086 | Oct 23, 2024 |
| KRONE ROGER A | — | Award / Grant | 4,832 | — | — | 15,311 | Oct 23, 2024 |
| LANCE HOWARD L | — | Award / Grant | 4,832 | — | — | 29,742 | Oct 23, 2024 |
| Munro Douglas | VP, CAO | Sale | 69 | $37.60 | $2,594 | 15,292 | Sep 16, 2024 |
| Plunkett Debora A | — | Sale | 1,843 | $38.07 | $70,163 | 11,339 | Aug 30, 2024 |
| JANA Partners Management, LP | — | Purchase | 13,600 | $37.25 | $506,600 | 6,944,633 | Aug 27, 2024 |