MERCURY SYSTEMS INC Insider Trading Activity
Every SEC Form 4 insider transaction reported for MERCURY SYSTEMS INC (MRCY), sourced directly from SEC EDGAR and updated as new filings are accepted.
By Trabud · Insider-trading data from SEC EDGAR
Latest filing:
Compiled automatically from SEC EDGAR Form 4 filings and refreshed daily. Figures count purchases (code P) and sales (code S) only — not grants, option exercises, or gifts. How this page is built. Not investment advice.
Quick Answer
Are MRCY insiders buying or selling?
In the last 12 months, MERCURY SYSTEMS INC insiders reported 0 open-market purchases ($0) and 28 sales ($194.1M) — net selling of $194.1M. Since January 2018, Trabud has recorded 190 Form 4 filings for MRCY: 16 buys ($72.2M) and 174 sells ($257.9M).
Source: SEC EDGAR Form 4
Key Statistics (January 2018 – Sep 23, 2026)
Total Form 4 filings
190
SEC EDGAR
Insider filers
26
Insider buys (16)
$72.2M
Insider sells (174)
$257.9M
Insider sentiment
Net sellingNet insider flow of $185.7M in net selling since January 2018, and $194.1M in net selling over the last 12 months.
Recent MRCY insider transactions
| Date | Insider | Role | Type | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| Sep 23, 2026 | Stuart Kupinsky | EVP, CLO & Corp Sec | Sale | 1.0K | $86.52 | $86.5K | SEC ↗ |
| Sep 9, 2026 | Steven Ratner | EVP, CHRO | Sale | 4.0K | $84.51 | $338.0K | SEC ↗ |
| Aug 27, 2026 | William L Ballhaus | Chairman, President & CEO | Sale | 160.2K | $87.72 | $14.1M | SEC ↗ |
| Aug 25, 2026 | Steven Ratner | EVP, CHRO | Sale | 356 | $91.36 | $32.5K | SEC ↗ |
| Aug 25, 2026 | Stuart Kupinsky | EVP, CLO & Corp Sec | Sale | 1.0K | $95.23 | $95.2K | SEC ↗ |
| Aug 25, 2026 | William L Ballhaus | Chairman, President & CEO | Sale | 173.2K | $90.59 | $15.7M | SEC ↗ |
| Aug 21, 2026 | Douglas Munro | SVP, CAO | Sale | 657 | $99.87 | $65.6K | SEC ↗ |
| Aug 21, 2026 | Steven Ratner | EVP, CHRO | Sale | 3.2K | $99.47 | $319.6K | SEC ↗ |
| Aug 21, 2026 | Stuart Kupinsky | EVP, CLO & Corp Sec | Sale | 1.3K | $100.31 | $131.2K | SEC ↗ |
| Aug 21, 2026 | David E. Farnsworth | EVP, CFO | Sale | 14.8K | $99.13 | $1.5M | SEC ↗ |
| Aug 21, 2026 | William L Ballhaus | Chairman, President & CEO | Sale | 48.8K | $99.12 | $4.8M | SEC ↗ |
| Aug 19, 2026 | Douglas Munro | SVP, CAO | Sale | 898 | $110.72 | $99.4K | SEC ↗ |
| Aug 19, 2026 | Steven Ratner | EVP, CHRO | Sale | 3.1K | $110.86 | $338.7K | SEC ↗ |
| Aug 19, 2026 | Stuart Kupinsky | EVP, CLO & Corp Sec | Sale | 2.4K | $110.65 | $262.6K | SEC ↗ |
| Aug 19, 2026 | David E. Farnsworth | EVP, CFO | Sale | 8.7K | $111.14 | $966.0K | SEC ↗ |
| Aug 19, 2026 | William L Ballhaus | Chairman, President & CEO | Sale | 27.7K | $111.18 | $3.1M | SEC ↗ |
| May 27, 2026 | Howard L Lance | Director | Sale | 9.3K | $99.76 | $922.7K | SEC ↗ |
| May 13, 2026 | Orlando D Carvalho | Director | Sale | 7.0K | $89.36 | $625.5K | SEC ↗ |
| May 12, 2026 | Steven Ratner | EVP, CHRO | Sale | 2.0K | $92.46 | $184.9K | SEC ↗ |
| Apr 17, 2026 | David E. Farnsworth | EVP, CFO | Sale | 3.6K | $84.87 | $307.7K | SEC ↗ |
| Mar 5, 2026 | JANA Partners Management, LP | Director | Sale | 452.1K | $91.61 | $41.4M | SEC ↗ |
| Feb 27, 2026 | Howard L Lance | Director | Sale | 4.8K | $88.98 | $430.0K | SEC ↗ |
| Feb 19, 2026 | Stuart Kupinsky | EVP, CLO & Corp Sec | Sale | 2.3K | $83.56 | $191.1K | SEC ↗ |
| Feb 19, 2026 | Douglas Munro | SVP, CAO | Sale | 582 | $83.56 | $48.6K | SEC ↗ |
| Feb 12, 2026 | JANA Partners Management, LP | Director | Sale | 400.0K | $81.00 | $32.4M | SEC ↗ |
Showing the 25 most recent of 190 Form 4 filings for MERCURY SYSTEMS INC.
Most active MRCY insiders
- Mark Aslett47 filings
- Michelle M Mccarthy18 filings
- C M Thibaud Didier16 filings
- Steven Ratner14 filings
- Christopher C Cambria11 filings
Ask anything about MRCY insider activity
Use Trabud's AI agent to query MERCURY SYSTEMS INC's Form 4 history in plain English — "Show me MRCY CEO purchases this year" or compare it against any other ticker.
Open the AI agentMRCY insider trading FAQ
Are MERCURY SYSTEMS INC insiders buying or selling?
In the last 12 months, MERCURY SYSTEMS INC insiders reported 0 open-market purchases ($0) and 28 sales ($194.1M) — net selling of $194.1M. Since January 2018, Trabud has recorded 190 Form 4 filings for MRCY: 16 buys ($72.2M) and 174 sells ($257.9M). Over the full record that is net selling of $185.7M.
How many insiders trade MRCY stock?
26 distinct insider filers — officers, directors, 10%+ owners, and investment groups filing jointly — have reported Form 4 transactions for MERCURY SYSTEMS INC. The most recent filing was accepted on Sep 23, 2026.
Where does Trabud get MRCY insider trading data?
All MRCY insider trading data comes directly from official SEC EDGAR Form 4 filings, which corporate insiders must submit within two business days of a transaction under Section 16(a) of the Securities Exchange Act of 1934.