Other Insiders Active in the Same Stocks
Insiders who reported open-market trades in the last 12 months at the companies Matthew Tappin 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.
- Arun Narayanan - $73K of STEM open-market activity in the last 12 months
- Rahul Shukla - $60K of STEM open-market activity in the last 12 months
- Michael James Carlson - $34K of STEM open-market activity in the last 12 months
- Saul R. Laureles - $19K of STEM open-market activity in the last 12 months
- Brian Musfeldt - $6K of STEM 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 Matthew Tappin?
Matthew Tappin is a corporate insider, tracked as President, Software Products of STEM, INC. (STEM). InsiderAlpha holds 12 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 Matthew Tappin submitted recently?
1 primary Form 4 filing in the last 90 days, covering 1 company.
Has Matthew Tappin been buying or selling stock?
Recorded transactions: 0 open-market purchases and 7 open-market sales ($198K) across all tracked filings.
Where can I see all of Matthew Tappin'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.
Learn More
Follow Matthew Tappin and every insider like them
A free account opens the full scored daily plan and every past day, a watchlist for any ticker, and 3 months of price history on every company page. No card.
Free plan available · Paid plans start with a 7-day free trial