Insider Cluster All stocks

CBIO insider trading

Crescent Biopharma, Inc.

In the past 36 days, 7 insiders sold $286K.

Insider purchases

No open-market purchases by insiders in this period.

Insider sales

InsiderValueHoldingsPlanTraded / filed
Joshua T Brumm
Chief Executive Officer
$160K
9,447 sh @ $16.91
−3.4% Pre-scheduled Sep 16, 2026
Filed Sep 18, 2026
Jonathan McNeill
President and COO
$77K
4,570 sh @ $16.90
−3.3% Pre-scheduled Sep 16, 2026
Filed Sep 18, 2026
Jan Pinkas
Chief Scientific Officer
$12K
658 sh @ $17.90
−3.0% Pre-scheduled Sep 16, 2026
Filed Sep 18, 2026
Ellie Eunkyung Im
Chief Medical Officer
$11K
623 sh @ $17.90
−2.8% Pre-scheduled Sep 16, 2026
Filed Sep 18, 2026
Barbara Harlin Bispham
See Remarks
$11K
620 sh @ $17.90
−3.2% Pre-scheduled Sep 16, 2026
Filed Sep 18, 2026
Richard William Scalzo
Chief Financial Officer
$10K
568 sh @ $17.90
−2.8% Pre-scheduled Sep 16, 2026
Filed Sep 18, 2026
Ryan Lynch
See Remarks
$4K
240 sh @ $17.90
−1.7% Pre-scheduled Sep 16, 2026
Filed Sep 18, 2026