Summary
Updated Aug 31, 2026
Charles D. Stapleton has 2 SEC Form 4 filings on record going back to 2024, most recently on 31 March 2026. Lifetime open-market sales: $124K.
Recent Transactions
1Every recent SEC Form 4 transaction Charles D. Stapleton has reported, most recent first.
Most Active Insiders Right Now
Charles D. Stapleton has no co-filers on record, so these are insiders with the largest open-market activity across the market in the last 90 days.
- Kenneth Bryan Dart - $468.21M of FLUT open-market activity in the last 90 days
- RA CAPITAL MANAGEMENT, L.P. - $430.69M of PBLS open-market activity in the last 90 days
- DST Global Advisors Ltd - $416.93M of CHYM open-market activity in the last 90 days
- John Kristofer Galashan - $410.21M of LTH open-market activity in the last 90 days
- John G. Danhakl - $410.21M of LTH open-market activity in the last 90 days
- Green LTF Holdings II LP - $410.21M of LTH open-market activity in the last 90 days
More Notable Insiders
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
Frequently Asked Questions
Who is Charles D. Stapleton?
Charles D. Stapleton is a corporate insider, tracked as Director. InsiderAlpha holds 2 primary Form 4 filings for them, the earliest from 2024, updated as new SEC EDGAR filings are processed.
When did Charles D. Stapleton last file a Form 4?
The most recent primary Form 4 on record is dated 31 March 2026, one of 2 filings going back to 2024.
Has Charles D. Stapleton been buying or selling stock?
Recorded transactions: 0 open-market purchases and 1 open-market sale ($124K) across all tracked filings.
Where can I see all of Charles D. Stapleton'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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