Summary
Updated Aug 31, 2026
Marc J. Stone is Chief Legal Officer of Coincheck Group N.V. (CNCK). 1 SEC Form 4 filing on record, dated 22 April 2026.
Recent Transactions
1Every recent SEC Form 4 transaction Marc J. Stone has reported, most recent first.
Most Active Insiders Right Now
Marc J. Stone has no co-filers on record, so these are insiders with the largest open-market activity across the market in the last 90 days.
- AEROEQUITY GP, LLC - $384.00M of FLY open-market activity in the last 90 days
- Jayshree Ullal - $365.88M of ANET open-market activity in the last 90 days
- Jeffrey P. Bezos - $346.45M of AMZN open-market activity in the last 90 days
- SL SPV-2, L.P. - $341.29M of DELL open-market activity in the last 90 days
- Silver Lake Partners IV, L.P. - $319.53M of DELL open-market activity in the last 90 days
- BAKER BROS. ADVISORS LP - $317.75M of CELC 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 Marc J. Stone?
Marc J. Stone is a corporate insider, tracked as Chief Legal Officer of Coincheck Group N.V. (CNCK). InsiderAlpha holds 1 primary Form 4 filing for them, the earliest from 2026, updated as new SEC EDGAR filings are processed.
When did Marc J. Stone last file a Form 4?
The only primary Form 4 on record is dated 22 April 2026.
Where can I see all of Marc J. Stone'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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