MRCY insider transaction filings
MERCURY SYSTEMS INC — 50 most recent Form 4 filings from SEC EDGAR, normalized by FilingPulse. Latest filing: 2026-09-15. Screen MRCY transaction legs live →
Insider transaction summary — last 90 days
2026-06-24 to 2026-09-22, from the filings listed below: 25 Form 4 filings. Counts and totals are arithmetic on values as filed — descriptive data, not a recommendation.
- Open-market purchases (code P, non-derivative): none reported.
- Open-market sales (code S, non-derivative): 30 legs across 15 filings by 5 insiders — 450,186 shares, $41,769,991 total (shares × price as filed).
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 20.
- Largest priced transaction: sale of 105,471 shares @ $89.47 ($9,436,807) by Ballhaus William L, filed 2026-08-25.
By insider — same window
Open-market purchase/sale legs on non-derivative securities, grouped by the filing's reporting owner(s); joint filings appear once. Dollar totals cover priced legs only (shares × price as filed). Ordered by priced transaction value, largest first.
| Insider | Filings | Purchases (P) | Sales (S) | Other legs |
|---|---|---|---|---|
| Ballhaus William L — Chairman, President & CEO, Director | 6 | — | 12 legs · 409,867 sh · $37,657,295 | 12 |
| Farnsworth David E. — EVP, CFO | 4 | — | 4 legs · 23,459 sh · $2,429,841 | 2 |
| Ratner Steven — EVP, CHRO | 6 | — | 6 legs · 10,624 sh · $1,028,809 | 2 |
| KUPINSKY STUART — EVP, CLO & Corp Sec | 5 | — | 4 legs · 4,681 sh · $489,001 | 2 |
| Munro Douglas — SVP, CAO | 3 | — | 4 legs · 1,555 sh · $165,045 | 1 |
| Nearhos Barry R — Director | 1 | — | — | 1 |
Recent Form 4 filings — MERCURY SYSTEMS INC
| Filed | Form | Insider | Reported transactions | Source |
|---|---|---|---|---|
| 2026-09-15 | 4/A | Munro Douglas — SVP, CAO | Grant/award (A): 2,882 @ $0 | EDGAR |
| 2026-09-15 | 4/A | Ratner Steven — EVP, CHRO | Grant/award (A): 5,187 @ $0 | EDGAR |
| 2026-09-15 | 4/A | Ballhaus William L — Chairman, President & CEO, Director | Grant/award (A): 23,629 @ $0 | EDGAR |
| 2026-09-15 | 4/A | Farnsworth David E. — EVP, CFO | Grant/award (A): 8,212 @ $0 | EDGAR |
| 2026-09-15 | 4/A | KUPINSKY STUART — EVP, CLO & Corp Sec | Grant/award (A): 5,619 @ $0 | EDGAR |
| 2026-09-08 | 4 | Ratner Steven — EVP, CHRO | Sale (S): 4,000 @ $84.51 | EDGAR |
| 2026-08-27 | 4 | Ballhaus William L — Chairman, President & CEO, Director | Option exercise (M): 153,676 @ $43 · Sale (S): 107,628 @ $87.09 · Sale (S): 3,448 @ $87.99 · Option exercise (M): 68,476 @ $43 · Sale (S): 38,276 @ $88.91 · Sale (S): 10,814 @ $89.74 · +2 more | EDGAR |
| 2026-08-25 | 4 | Ratner Steven — EVP, CHRO | Sale (S): 356 @ $91.36 | EDGAR |
| 2026-08-25 | 4 | Ballhaus William L — Chairman, President & CEO, Director | Option exercise (M): 92,850 @ $42 · Sale (S): 64,796 @ $92.40 · Sale (S): 204 @ $93.51 · Option exercise (M): 140,650 @ $42 · Option exercise (M): 11,348 @ $43 · Sale (S): 105,471 @ $89.47 · +4 more | EDGAR |
| 2026-08-25 | 4 | KUPINSKY STUART — EVP, CLO & Corp Sec | Sale (S): 1,000 @ $95.23 | EDGAR |
| 2026-08-21 | 4 | Ratner Steven — EVP, CHRO | Sale (S): 2,187 @ $100.31 · Sale (S): 1,026 @ $97.67 | EDGAR |
| 2026-08-21 | 4 | Munro Douglas — SVP, CAO | Sale (S): 548 @ $100.31 · Sale (S): 109 @ $97.67 | EDGAR |
| 2026-08-21 | 4 | Ballhaus William L — Chairman, President & CEO, Director | Sale (S): 26,802 @ $100.31 · Sale (S): 22,010 @ $97.67 | EDGAR |
| 2026-08-21 | 4 | Farnsworth David E. — EVP, CFO | Sale (S): 8,155 @ $100.31 · Sale (S): 6,612 @ $97.67 | EDGAR |
| 2026-08-21 | 4 | KUPINSKY STUART — EVP, CLO & Corp Sec | Sale (S): 1,308 @ $100.31 | EDGAR |
| 2026-08-19 | 4 | Ratner Steven — EVP, CHRO | Sale (S): 1,084 @ $109.95 · Sale (S): 1,971 @ $111.36 | EDGAR |
| 2026-08-19 | 4 | Munro Douglas — SVP, CAO | Sale (S): 404 @ $109.95 · Sale (S): 494 @ $111.36 | EDGAR |
| 2026-08-19 | 4 | Farnsworth David E. — EVP, CFO | Sale (S): 1,345 @ $109.95 · Sale (S): 7,347 @ $111.36 | EDGAR |
| 2026-08-19 | 4 | KUPINSKY STUART — EVP, CLO & Corp Sec | Sale (S): 1,195 @ $109.95 · Sale (S): 1,178 @ $111.36 | EDGAR |
| 2026-08-19 | 4 | Ballhaus William L — Chairman, President & CEO, Director | Sale (S): 3,536 @ $109.95 · Sale (S): 24,144 @ $111.36 | EDGAR |
| 2026-08-18 | 4 | Ratner Steven — EVP, CHRO | Disposition to issuer (D): 2,695 @ $0 | EDGAR |
| 2026-08-18 | 4 | KUPINSKY STUART — EVP, CLO & Corp Sec | Disposition to issuer (D): 6,977 @ $0 | EDGAR |
| 2026-08-18 | 4 | Farnsworth David E. — EVP, CFO | Disposition to issuer (D): 16,275 @ $0 | EDGAR |
| 2026-08-18 | 4 | Ballhaus William L — Chairman, President & CEO, Director | Disposition to issuer (D): 70,287 @ $0 | EDGAR |
| 2026-07-20 | 4 | Nearhos Barry R — Director | Grant/award (A): 170 @ $0 | EDGAR |
| 2026-05-27 | 4 | LANCE HOWARD L — Director | Sale (S): 8,000 @ $99.95 · Sale (S): 1,250 @ $98.50 | EDGAR |
| 2026-05-13 | 4 | Carvalho Orlando D — Director | Sale (S): 7,000 @ $89.36 | EDGAR |
| 2026-05-12 | 4 | Ratner Steven — EVP, CHRO | Sale (S): 2,000 @ $92.46 | EDGAR |
| 2026-04-17 | 4 | Nearhos Barry R — Director | Grant/award (A): 245 @ $0 | EDGAR |
| 2026-04-17 | 4 | Farnsworth David E. — EVP, CFO | Sale (S): 3,625 @ $84.87 | EDGAR |
| 2026-03-18 | 4 | Ratner Steven — EVP, CHRO | Grant/award (A): 437 @ $0 | EDGAR |
| 2026-03-04 | 4 | JANA Partners Management, LP — Director | Sale (S): 182,510 @ $94.05 · Sale (S): 168,648 @ $90.12 · Sale (S): 100,899 @ $89.68 | EDGAR |
| 2026-02-27 | 4 | LANCE HOWARD L — Director | Sale (S): 4,832 @ $88.98 | EDGAR |
| 2026-02-19 | 4 | KUPINSKY STUART — EVP, CLO & Corp Sec | Sale (S): 2,287 @ $83.56 | EDGAR |
| 2026-02-19 | 4 | Munro Douglas — SVP, CAO | Sale (S): 582 @ $83.56 | EDGAR |
| 2026-02-11 | 4 | JANA Partners Management, LP — Director | Sale (S): 400,000 @ $81 | EDGAR |
| 2026-01-20 | 4 | Nearhos Barry R — Director | Grant/award (A): 474 @ $0 | EDGAR |
| 2025-11-13 | 4 | Munro Douglas — SVP, CAO | Sale (S): 1,329 @ $73.42 | EDGAR |
| 2025-11-10 | 4 | Plunkett Debora A — Director | Sale (S): 1,700 @ $73.99 | EDGAR |
| 2025-11-10 | 4 | JANA Partners Management, LP — Director | Sale (S): 1,000,000 @ $75.45 | EDGAR |
| 2025-10-24 | 4 | BUA JEAN A — Director | Grant/award (A): 2,362 @ $0 | EDGAR |
| 2025-10-24 | 4 | Plunkett Debora A — Director | Grant/award (A): 2,362 @ $0 | EDGAR |
| 2025-10-24 | 4 | DEMURO GERARD J — Director | Grant/award (A): 2,362 @ $0 | EDGAR |
| 2025-10-24 | 4 | Nearhos Barry R — Director | Grant/award (A): 2,362 @ $0 | EDGAR |
| 2025-10-24 | 4 | LANCE HOWARD L — Director | Grant/award (A): 2,362 @ $0 | EDGAR |
| 2025-10-24 | 4 | Carvalho Orlando D — Director | Grant/award (A): 2,362 @ $0 | EDGAR |
| 2025-10-24 | 4 | DISBROW LISA S — Director | Grant/award (A): 2,362 @ $0 | EDGAR |
| 2025-10-24 | 4 | JANA Partners Management, LP — Director | Grant/award (A): 2,362 @ $0 | EDGAR |
| 2025-10-20 | 4 | Nearhos Barry R — Director | Grant/award (A): 487 @ $0 | EDGAR |
| 2025-09-17 | 4 | Munro Douglas — VP, CAO | Sale (S): 67 @ $73.40 | EDGAR |
Recent 8-K events — MERCURY SYSTEMS INC
| Filed | Form | Items reported | Source |
|---|---|---|---|
| 2026-09-18 | 8-K | 8.01 — Other Events | EDGAR |
| 2026-09-16 | 8-K | 1.01 — Entry into a Material Definitive Agreement 7.01 — Regulation FD Disclosure 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-08-18 | 8-K | 2.02 — Results of Operations and Financial Condition 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-05-05 | 8-K | 2.02 — Results of Operations and Financial Condition 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-02-03 | 8-K | 2.02 — Results of Operations and Financial Condition 9.01 — Financial Statements and Exhibits | EDGAR |
| 2025-11-04 | 8-K | 1.01 — Entry into a Material Definitive Agreement 2.02 — Results of Operations and Financial Condition 2.03 — Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant 8.01 — Other Events 9.01 — Financial Statements and Exhibits | EDGAR |
| 2025-10-28 | 8-K | 5.02 — Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers 5.07 — Submission of Matters to a Vote of Security Holders 8.01 — Other Events | EDGAR |
| 2025-08-11 | 8-K | 2.02 — Results of Operations and Financial Condition | EDGAR |
| 2025-05-06 | 8-K | 2.02 — Results of Operations and Financial Condition 9.01 — Financial Statements and Exhibits | EDGAR |
| 2025-04-01 | 8-K | 2.02 — Results of Operations and Financial Condition 5.02 — Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers | EDGAR |
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