$MRCY insider trading
Over the last 12 months, Mercury Systems insiders reported no purchases and 29 sales totaling $192.7M across SEC Form 4 filings. 3% of those filings were made under pre-arranged 10b5-1 trading plans.
- Bought · 12m
- — 0 events
- Sold · 12m
- $192.7M 29 events
- Events · 12m
- 29 Form 4 filings, grouped
- Insiders · 12m
- 8 distinct reporters
- 10b5-1 share
- 3% of events, not dollars
All insider trades
Scroll the table sideways for price, value and marks.
| Date | Insider | Type | Shares | Avg price | Value | Δ stake | Marks |
|---|---|---|---|---|---|---|---|
| Aug 26, 2026 | Ballhaus William LChairman, President & CEO · O·D | ▼ Sale | 160,166 | $87.72 | $14.1M | -30.7% | 4 tranches |
| Aug 24, 2026 | Ballhaus William LChairman, President & CEO · O·D | ▼ Sale | 173,209 | $90.59 | $15.7M | -36.6% | 4 tranches |
| Aug 21, 2026 | Ratner StevenEVP, CHRO · O | ▼ Sale | 356 | $91.36 | $33K | -100% | indirect |
| Aug 21, 2026 | KUPINSKY STUARTEVP, CLO & Corp Sec · O | ▼ Sale | 1,000 | $95.23 | $95K | -1.7% | plan |
| Aug 20, 2026 | Munro DouglasSVP, CAO · O | ▼ Sale | 657 | $99.87 | $66K | -4.8% | 2 tranches |
| Aug 20, 2026 | Ratner StevenEVP, CHRO · O | ▼ Sale | 3,213 | $99.47 | $320K | -12.1% | 2 tranches |
| Aug 20, 2026 | Farnsworth David E.EVP, CFO · O | ▼ Sale | 14,767 | $99.13 | $1.5M | -11.1% | 2 tranches |
| Aug 20, 2026 | Ballhaus William LChairman, President & CEO · O·D | ▼ Sale | 48,812 | $99.12 | $4.8M | -17.6% | 2 tranches |
| Aug 19, 2026 | KUPINSKY STUARTEVP, CLO & Corp Sec · O | ▼ Sale | 1,308 | $100.31 | $131K | -2.2% | — |
| Aug 18, 2026 | Munro DouglasSVP, CAO · O | ▼ Sale | 898 | $110.72 | $99K | -6.2% | 2 tranches |
| Aug 18, 2026 | Ratner StevenEVP, CHRO · O | ▼ Sale | 3,055 | $110.86 | $339K | -10.3% | 2 tranches |
| Aug 18, 2026 | KUPINSKY STUARTEVP, CLO & Corp Sec · O | ▼ Sale | 2,373 | $110.65 | $263K | -3.9% | 2 tranches |
| Aug 18, 2026 | Farnsworth David E.EVP, CFO · O | ▼ Sale | 8,692 | $111.14 | $966K | -6.1% | 2 tranches |
| Aug 18, 2026 | Ballhaus William LChairman, President & CEO · O·D | ▼ Sale | 27,680 | $111.18 | $3.1M | -9.1% | 2 tranches |
| Aug 14, 2026 | Farnsworth David E.EVP, CFO · O | ▽ Sale to issuer | 16,275 | — | — | -10.3% | — |
| Aug 14, 2026 | Ballhaus William LChairman, President & CEO · O·D | ▽ Sale to issuer | 70,287 | — | — | -18.7% | — |
| Aug 14, 2026 | Ratner StevenEVP, CHRO · O | ▽ Sale to issuer | 2,695 | — | — | -8.4% | — |
| Aug 14, 2026 | KUPINSKY STUARTEVP, CLO & Corp Sec · O | ▽ Sale to issuer | 6,977 | — | — | -10.3% | — |
| May 26, 2026 | LANCE HOWARD LD | ▼ Sale | 8,000 | $99.95 | $800K | -86.5% | indirect |
| Apr 16, 2026 | Farnsworth David E.EVP, CFO · O | ▼ Sale | 3,625 | $84.87 | $308K | -2.2% | — |
| Mar 4, 2026 | JANA Partners Management, LPD | ▼ Sale | 452,057 | $91.61 | $41.4M | -9.9% | 3 tranches · indirect |
| Feb 25, 2026 | LANCE HOWARD LD | ▼ Sale | 4,832 | $88.98 | $430K | -15.1% | — |
| Feb 17, 2026 | KUPINSKY STUARTEVP, CLO & Corp Sec · O | ▼ Sale | 2,287 | $83.56 | $191K | -3.3% | — |
| Feb 17, 2026 | Munro DouglasSVP, CAO · O | ▼ Sale | 582 | $83.56 | $49K | -3.9% | — |
| Feb 9, 2026 | JANA Partners Management, LPD | ▼ Sale | 400,000 | $81 | $32.4M | -8.1% | indirect |
| Nov 12, 2025 | Munro DouglasSVP, CAO · O | ▼ Sale | 1,329 | $73.42 | $98K | -8.3% | — |
| Nov 7, 2025 | Plunkett Debora AD | ▼ Sale | 1,700 | $73.99 | $126K | -9.2% | — |
| Nov 6, 2025 | JANA Partners Management, LPD | ▼ Sale | 1,000,000 | $75.45 | $75.5M | -16.8% | indirect |
| Sep 16, 2025 | Munro DouglasVP, CAO · O | ▼ Sale | 67 | $73.4 | $5K | -0.4% | — |
| Aug 20, 2025 | Ratner StevenEVP, CHRO · O | ▼ Sale | 7,000 | $63.76 | $446K | -17.2% | — |
| Aug 19, 2025 | Munro DouglasVP, CAO · O | ▼ Sale | 739 | $65.47 | $48K | -4.4% | 2 tranches |
| Aug 19, 2025 | Ratner StevenEVP, CHRO · O | ▼ Sale | 3,416 | $65.47 | $224K | -7.7% | 2 tranches |
| Aug 19, 2025 | KUPINSKY STUARTEVP, CLO & Corp Sec · O | ▼ Sale | 2,402 | $65.47 | $157K | -3.3% | 2 tranches |
| Aug 19, 2025 | Farnsworth David E.EVP, CFO · O | ▼ Sale | 14,911 | $65.47 | $976K | -8.5% | 2 tranches |
| Aug 19, 2025 | Ballhaus William LChairman, President & CEO · O·D | ▼ Sale | 23,445 | $65.37 | $1.5M | -5.9% | 2 tranches |
| Aug 13, 2025 | JANA Partners Management, LPD | ▼ Sale | 797,000 | $65.42 | $52.1M | -11.8% | indirect |
Every $MRCY filing on this page is one API call away
The same Form 4 data over REST or MCP, already grouped into events with the plan flag and the dollar value read. A free key does 100 calls a day and needs no card. Prefer email? Mercury Systems filings can reach your inbox instead.
Corporate insiders — officers, directors and 10%+ owners — must report their trades to the SEC on Form 4 within two business days. This page shows open-market activity: purchases (code P), sales (S) and dispositions back to the issuer (D). Scheduled compensation events such as stock grants and option exercises are also filed on Form 4 but carry no trading signal, so they are not shown and counts here can be lower than the raw EDGAR filing total. We group each filing's transactions into one economic event (a laddered 10b5-1 sale is one event, not 25 rows), flag pre-arranged plans and late filings, and link every event to its AI-scored article in the $MRCY feed.