Mercury Systems Inc is a commercial technology company serving the aerospace and defense industry. The company envisions, creates, and delivers secure open architecture solutions powering a broad range of mission-critical applications in challenging and demanding environments. Its Mercury Processing Platform spans the full breadth of signal processing from radio frequency front end to the human-machine interface to convert meaningful data, gathered in remote and hostile environments, into critical decisions. The company manufactures components, products, modules, and subsystems and sells to defense prime contractors, the U.S. government, original equipment manufacturers, and commercial aerospace companies. Geographically, it derives maximum revenue from the United States.
| Form 4 transaction type | Transactions | Shares | Total value |
|---|---|---|---|
| Open-market sale | 29 | 446,186 | $41.43M |
| Grant or award | 1 | 170 | |
| Option exercise | 10 | 934,000 | |
| Derivative transaction | 4 | 96,234 |
Dollar totals are shown for open-market purchases and sales only. Grants, option exercises, gifts and tax withholding are reported by share count because they are not trades at a market price.
73 Form 4 filings on record, the earliest from Oct 25, 2024, newest first. Filing history page 1 of 3.
| Date | Insider | Transaction | Security | Shares | Price | Value |
|---|---|---|---|---|---|---|
| William L. Ballhaus - Officer | Option exercise | Common Stock | 153,676 | $43.00 | $6.61M | |
| William L. Ballhaus - Officer | Open-market sale | Common Stock | 107,628 | $87.09 | $9.37M | |
| William L. Ballhaus - Officer | Open-market sale | Common Stock | 3,448 | $87.99 | $303K | |
| William L. Ballhaus - Officer | Option exercise | Common Stock | 68,476 | $43.00 | $2.94M | |
| William L. Ballhaus - Officer | Open-market sale | Common Stock | 38,276 | $88.91 | $3.40M | |
| William L. Ballhaus - Officer | Open-market sale | Common Stock | 10,814 | $89.74 | $970K | |
| William L. Ballhaus - Officer | Option exercise | Employee Stock Option (Right to Buy) | 153,676 | $0.00 | - | |
| William L. Ballhaus - Officer | Option exercise | Employee Stock Option (Right to Buy) | 68,476 | $0.00 | - | |
| Steven Ratner - Officer | Open-market sale | Common Stock | 356 | $91.36 | $33K | |
| Stuart Kupinsky - Officer | Open-market sale | Common Stock | 1,000 | $95.23 | $95K | |
| William L. Ballhaus - Officer | Option exercise | Common Stock | 92,850 | $42.00 | $3.90M | |
| William L. Ballhaus - Officer | Open-market sale | Common Stock | 64,796 | $92.40 | $5.99M | |
| William L. Ballhaus - Officer | Open-market sale | Common Stock | 204 | $93.51 | $19K | |
| William L. Ballhaus - Officer | Option exercise | Common Stock | 140,650 | $42.00 | $5.91M | |
| William L. Ballhaus - Officer | Option exercise | Common Stock | 11,348 | $43.00 | $488K | |
| William L. Ballhaus - Officer | Open-market sale | Common Stock | 105,471 | $89.47 | $9.44M | |
| William L. Ballhaus - Officer | Open-market sale | Common Stock | 2,738 | $90.60 | $248K | |
| William L. Ballhaus - Officer | Option exercise | Employee Stock Option (Right to Buy) | 92,850 | $0.00 | - | |
| William L. Ballhaus - Officer | Option exercise | Employee Stock Option (Right to Buy) | 140,650 | $0.00 | - | |
| William L. Ballhaus - Officer | Option exercise | Employee Stock Option (Right to Buy) | 11,348 | $0.00 | - | |
| Open-market sale | Common Stock | 548 | $100.31 | $55K | ||
| Open-market sale | Common Stock | 109 | $97.67 | $11K | ||
| Steven Ratner - Officer | Open-market sale | Common Stock | 2,187 | $100.31 | $219K | |
| Steven Ratner - Officer | Open-market sale | Common Stock | 1,026 | $97.67 | $100K | |
| Stuart Kupinsky - Officer | Open-market sale | Common Stock | 1,308 | $100.31 | $131K | |
| David E. Farnsworth - Officer | Open-market sale | Common Stock | 8,155 | $100.31 | $818K | |
| David E. Farnsworth - Officer | Open-market sale | Common Stock | 6,612 | $97.67 | $646K | |
| William L. Ballhaus - Officer | Open-market sale | Common Stock | 26,802 | $100.31 | $2.69M | |
| William L. Ballhaus - Officer | Open-market sale | Common Stock | 22,010 | $97.67 | $2.15M | |
| Open-market sale | Common Stock | 404 | $109.95 | $44K | ||
| Open-market sale | Common Stock | 494 | $111.36 | $55K | ||
| Steven Ratner - Officer | Open-market sale | Common Stock | 1,084 | $109.95 | $119K | |
| Steven Ratner - Officer | Open-market sale | Common Stock | 1,971 | $111.36 | $219K | |
| Stuart Kupinsky - Officer | Open-market sale | Common Stock | 1,195 | $109.95 | $131K | |
| Stuart Kupinsky - Officer | Open-market sale | Common Stock | 1,178 | $111.36 | $131K | |
| David E. Farnsworth - Officer | Open-market sale | Common Stock | 1,345 | $109.95 | $148K | |
| David E. Farnsworth - Officer | Open-market sale | Common Stock | 7,347 | $111.36 | $818K | |
| William L. Ballhaus - Officer | Open-market sale | Common Stock | 3,536 | $109.95 | $389K | |
| William L. Ballhaus - Officer | Open-market sale | Common Stock | 24,144 | $111.36 | $2.69M | |
| Steven Ratner - Officer | Derivative | Common Stock | 2,695 | $0.00 | - | |
| Stuart Kupinsky - Officer | Derivative | Common Stock | 6,977 | $0.00 | - | |
| David E. Farnsworth - Officer | Derivative | Common Stock | 16,275 | $0.00 | - | |
| William L. Ballhaus - Officer | Derivative | Common Stock | 70,287 | $0.00 | - | |
| Grant or award | Common Stock | 170 | $0.00 | - | ||
| Howard L. Lance - Director | Open-market sale | Common Stock | 8,000 | $99.95 | $800K | |
| Howard L. Lance - Director | Open-market sale | Common Stock | 1,250 | $98.50 | $123K | |
| Orlando D. Carvalho - Director | Open-market sale | Common Stock | 7,000 | $89.36 | $626K | |
| Steven Ratner - Officer | Open-market sale | Common Stock | 2,000 | $92.46 | $185K | |
| Grant or award | Common Stock | 245 | $0.00 | - | ||
| David E. Farnsworth - Officer | Open-market sale | Common Stock | 3,625 | $84.87 | $308K | |
| Steven Ratner - Officer | Grant or award | Common Stock | 437 | $0.00 | - | |
| JANA Partners Management, LP - Director | Open-market sale | Common Stock, par value $0.01 per share ("Common Stock") | 182,510 | $94.05 | $17.17M | |
| JANA Partners Management, LP - Director | Open-market sale | Common Stock | 168,648 | $90.12 | $15.20M | |
| JANA Partners Management, LP - Director | Open-market sale | Common Stock | 100,899 | $89.68 | $9.05M | |
| Howard L. Lance - Director | Open-market sale | Common Stock | 4,832 | $88.98 | $430K | |
| Stuart Kupinsky - Officer | Open-market sale | Common Stock | 2,287 | $83.56 | $191K | |
| Open-market sale | Common Stock | 582 | $83.56 | $49K | ||
| JANA Partners Management, LP - Director | Open-market sale | Common Stock, par value $0.01 per share | 400,000 | $81.00 | $32.40M |
A Form 144 is notice of an INTENDED sale, not a completed one. It often precedes the Form 4 that reports the trade actually happening.
| Filed | Filer | Relationship | Shares | Market value | Notice |
|---|---|---|---|---|---|
| Ballhaus William L | Officer, Director | 49,090 | $4.37M | View on EDGAR | |
| Ballhaus William L | Officer, Director | 111,076 | $9.68M | View on EDGAR | |
| Ballhaus William L | Officer, Director | 8,088 | $730K | View on EDGAR |
MERCURY SYSTEMS INC (MRCY) had 19 insider filings in the last 90 days, with the most recent on 2026-08-27. The full record for MRCY runs to 73 Form 4 filings, the earliest from 2024-10-25. InsiderAlpha tracks every Form 4, Form 144, and 8-K filing in real time.
No insider purchases of MRCY were filed in the last 90 days.
29 insider sales of MRCY were filed in the last 90 days, totaling $41.43M.
This page tracks MRCY Form 4 insider transactions, Form 144 sale notices, and 8-K material event disclosures in one timeline. Annual 10-K and quarterly 10-Q reports live on the company's SEC EDGAR page.
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Every Form 4 below links to the original document on SEC EDGAR, so the numbers on this page can be checked against the filing they came from.
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