Summary
Updated Aug 31, 2026
Winklevoss Capital Fund, LLC is 10% Owner of CYPHERPUNK TECHNOLOGIES INC. (CYPH). 4 SEC Form 4 filings on record going back to 2025, most recently on 19 August 2026.
Recent Transactions
2Every recent SEC Form 4 transaction Winklevoss Capital Fund, LLC has reported, most recent first.
Trading Pattern
InsiderAlpha's records for Winklevoss Capital Fund, LLC go back to 2025: 4 primary Form 4 filings, an average of 2.0 per year. No transaction on record carries a Rule 10b5-1 flag - the filings look discretionary rather than pre-scheduled, which makes their timing more informative as a signal.
Other Insiders Active in the Same Stocks
Insiders who reported open-market trades in the last 12 months at the companies Winklevoss Capital Fund, LLC 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.
- Christopher Mirabelli - $2.17M of CYPH open-market activity in the last 12 months
- Douglas E. Onsi - $2.12M of CYPH open-market activity in the last 12 months
- James H. Cavanaugh - $822K of CYPH open-market activity in the last 12 months
- Thomas John Dietz - $34K of CYPH 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
What is Winklevoss Capital Fund, LLC?
Winklevoss Capital Fund, LLC is an investment firm, tracked as 10% Owner of CYPHERPUNK TECHNOLOGIES INC. (CYPH). InsiderAlpha holds 4 primary Form 4 filings for it, the earliest from 2025, updated as new SEC EDGAR filings are processed.
How many SEC Form 4 filings has Winklevoss Capital Fund, LLC submitted recently?
1 primary Form 4 filing in the last 90 days, covering 1 company.
Where can I see all of Winklevoss Capital Fund, LLC'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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