Summary
Updated Aug 31, 2026
Martin D. Madaus is Director of HAEMONETICS CORP (HAE). 9 SEC Form 4 filings on record going back to 2024, most recently on 28 July 2026. Most recent open-market trade: bought $202K of RGEN on 12 August 2025. Lifetime open-market purchases: $403K.
Recent Transactions
8Every recent SEC Form 4 transaction Martin D. Madaus has reported, most recent first.
Trading Pattern
InsiderAlpha's records for Martin D. Madaus go back to 2024: 9 primary Form 4 filings, an average of 3.0 per year. The typical open-market purchase is $202K (2 buys totaling $403K). The largest single buy on record is $202K of RGEN in 2025. 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 Martin D. Madaus 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.
- Mark W. Kroll - $99K of HAE 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 Martin D. Madaus?
Martin D. Madaus is a corporate insider, tracked as Director of HAEMONETICS CORP (HAE). InsiderAlpha holds 9 primary Form 4 filings for them, the earliest from 2024, updated as new SEC EDGAR filings are processed.
How many SEC Form 4 filings has Martin D. Madaus submitted recently?
1 primary Form 4 filing in the last 90 days, covering 1 company.
Has Martin D. Madaus been buying or selling stock?
Recorded transactions: 2 open-market purchases ($403K) and 0 open-market sales across all tracked filings.
Where can I see all of Martin D. Madaus'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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