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CBIO insider trading

CRESCENT BIOPHARMA, INC. — open-market insider buys and $1M+ sells from SEC Forms 3, 4 and 5.
Insider buys · 24 mo
2
Bought · 24 mo
$38.2M
Buys · last 90 days
1 · $20.0M
Most recent buy
2026-07-20

Recent insider filings

FiledInsiderTypeSharesPriceValue
2026-07-20Fairmount Funds Management LLC
Director · 10% owner
Bought1,379,347$14.50$20.0M
2025-12-08Fairmount Funds Management LLC
Director · 10% owner
Bought1,360,000$13.41$18.2M

Most active insider buyers

InsiderRoleBuysTotal bought
Fairmount Funds Management LLCDirector · 10% owner2$38.2M

See CBIO on the chart

Every insider buy and sell for CBIO plotted on the price, the full two-year history, cluster scores and daily updates — in the members area, $29/month. A free quarterly sample of the whole dataset needs no account.

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Data from the SEC EDGAR ownership filings, refreshed daily. Only open-market purchases (transaction code P) and sales of $1M or more are shown; grants, option exercises and tax withholding are excluded because they run on schedules set years earlier. Not investment advice.