Summary
Updated Aug 30, 2026
Jan Pinkas is Chief Scientific Officer of CRESCENT BIOPHARMA, INC. (CBIO). 2 SEC Form 4 filings on record going back to 2025, most recently on 23 June 2026. Most recent open-market trade: sold $23K of CBIO on 23 June 2026. Lifetime open-market sales: $23K.
Recent Transactions
1Every recent SEC Form 4 transaction Jan Pinkas 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 Jan Pinkas 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.
- Fairmount Funds Management LLC - $20.00M of CBIO open-market activity in the last 12 months
- Joshua T. Brumm - $761K of CBIO open-market activity in the last 12 months
- Jonathan McNeill - $370K of CBIO open-market activity in the last 12 months
- Ellie Eunkyung Im - $22K of CBIO open-market activity in the last 12 months
- Barbara Harlin Bispham - $22K of CBIO open-market activity in the last 12 months
- Richard William Scalzo - $20K of CBIO 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 Jan Pinkas?
Jan Pinkas is a corporate insider, tracked as Chief Scientific Officer of CRESCENT BIOPHARMA, INC. (CBIO). InsiderAlpha holds 2 primary Form 4 filings for them, the earliest from 2025, updated as new SEC EDGAR filings are processed.
How many SEC Form 4 filings has Jan Pinkas submitted recently?
1 primary Form 4 filing in the last 90 days, covering 1 company.
Has Jan Pinkas been buying or selling stock?
Recorded transactions: 0 open-market purchases and 1 open-market sale ($23K) across all tracked filings.
Where can I see all of Jan Pinkas'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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