Summary
Updated Aug 30, 2026
Willem Elfrink is Director of HeartBeam, Inc. (BEAT). 3 SEC Form 4 filings on record going back to 2025, most recently on 17 April 2026. Most recent open-market trade: bought $150K of BEAT on 17 April 2026. Lifetime open-market purchases: $150K.
Recent Transactions
1Every recent SEC Form 4 transaction Willem Elfrink has reported, most recent first.
Other Insiders Active in the Same Stocks
Insiders who reported open-market trades in the last 12 months at the companies Willem Elfrink 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 E. Strome - $1.50M of BEAT open-market activity in the last 12 months
- Urioste George de - $182K of BEAT open-market activity in the last 12 months
- Richard Ferrari - $96K of BEAT open-market activity in the last 12 months
- Branislav Vajdic - $25K of BEAT open-market activity in the last 12 months
- Michael R. Jaff - $25K of BEAT open-market activity in the last 12 months
- Tim Cruickshank - $25K of BEAT 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 Willem Elfrink?
Willem Elfrink is a corporate insider, tracked as Director of HeartBeam, Inc. (BEAT). InsiderAlpha holds 3 primary Form 4 filings for them, the earliest from 2025, updated as new SEC EDGAR filings are processed.
When did Willem Elfrink last file a Form 4?
The most recent primary Form 4 on record is dated 17 April 2026, one of 3 filings going back to 2025.
Has Willem Elfrink been buying or selling stock?
Recorded transactions: 1 open-market purchase ($150K) and 0 open-market sales across all tracked filings.
Where can I see all of Willem Elfrink'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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