Other Insiders Active in the Same Stocks
Insiders who reported open-market trades in the last 12 months at the companies Witte Jan de 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.
- Michael J. Farrell - $15.60M of RMD open-market activity in the last 12 months
- Peter C. Farrell - $4.27M of RMD open-market activity in the last 12 months
- Brett Sandercock - $3.60M of RMD open-market activity in the last 12 months
- Jeffrey A. Graves - $102K of IART open-market activity in the last 12 months
- Michael J. Rider - $65K of RMD 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 Witte Jan de?
Witte Jan de is a corporate insider, tracked as Director of RESMED INC (RMD). InsiderAlpha holds 6 primary Form 4 filings for them, the earliest from 2024, updated as new SEC EDGAR filings are processed.
When did Witte Jan de last file a Form 4?
The most recent primary Form 4 on record is dated 26 November 2025, one of 6 filings going back to 2024.
Has Witte Jan de been buying or selling stock?
Recorded transactions: 0 open-market purchases and 3 open-market sales ($844K) across all tracked filings.
Where can I see all of Witte Jan de'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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