CBIO insider buying
Every open-market purchase of Crescent Biopharma, Inc. (CBIO) stock by its officers, directors and major shareholders, from SEC Form 4 filings.
Bought, last 12 months$30.61M
Insiders buying (12m)2
Purchases on record2
Last purchase filedJul 20, 2026
In the last 12 months, 2 insiders of Crescent Biopharma, Inc. bought $30.61M of CBIO stock on the open market in 2 reported purchases. The most recent was filed on Jul 20, 2026: Fairmount Healthcare Fund II L.P. +3 (Director, 10% Owner) bought 853,450 shares at $14.50, worth $12.38M. The largest purchase on record here is $18.24M by Harwin Peter Evan +3 on Dec 4, 2025.
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