Summary
Updated Aug 31, 2026
Douglas Munro is SVP, CAO of MERCURY SYSTEMS INC (MRCY). 8 SEC Form 4 filings on record going back to 2025, most recently on 21 August 2026. Most recent open-market trade: sold $11K of MRCY on 21 August 2026. Lifetime open-market sales: $474K.
Recent Transactions
12Every recent SEC Form 4 transaction Douglas Munro has reported, most recent first.
Trading Pattern
InsiderAlpha's records for Douglas Munro go back to 2025: 8 primary Form 4 filings, an average of 4.0 per year. No transaction on record carries a Rule 10b5-1 flag - the filings look discretionary rather than pre-scheduled, which makes their timing more informative as a signal.
Other Insiders Active in the Same Stocks
Insiders who reported open-market trades in the last 12 months at the companies Douglas Munro files at. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
- JANA Partners Management, LP - $149.26M of MRCY open-market activity in the last 12 months
- William L. Ballhaus - $37.66M of MRCY open-market activity in the last 12 months
- David E. Farnsworth - $2.74M of MRCY open-market activity in the last 12 months
- Howard L. Lance - $1.35M of MRCY open-market activity in the last 12 months
- Steven Ratner - $876K of MRCY open-market activity in the last 12 months
- Stuart Kupinsky - $680K of MRCY open-market activity in the last 12 months
More Notable Insiders
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
Frequently Asked Questions
Who is Douglas Munro?
Douglas Munro is a corporate insider, tracked as SVP, CAO of MERCURY SYSTEMS INC (MRCY). InsiderAlpha holds 8 primary Form 4 filings for them, the earliest from 2025, updated as new SEC EDGAR filings are processed.
How many SEC Form 4 filings has Douglas Munro submitted recently?
2 primary Form 4 filings in the last 90 days, covering 1 company.
Has Douglas Munro been buying or selling stock?
Recorded transactions: 0 open-market purchases and 11 open-market sales ($474K) across all tracked filings.
Where can I see all of Douglas Munro's SEC filings?
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
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