Crescent Biopharma Ownership & Insider Activity

Crescent Biopharma (CBIO) institutional and insider ownership, recent insider transactions and ownership breakdown.

Insiders own 1.7% of shares outstanding. Institutional investors hold 32.0%. Over the past 90 days, insiders made 7 sales worth $286K.

Shares Outstanding

37.144M

Shares Float

21.645M

Insider Shares Owned

633.160K

Insider % Owned

1.7%

Institutional Shares Held

11.883M

Institutional % Held

32.0%

Ownership Breakdown

Net Insider Activity by Month

Purchases (90d)

Sales (90d)

$286K total

Net Activity

Net Selling

Net Value (90d)

-$286K

Crescent Biopharma Insider Transactions (Last 6 Months)

Date	Insider	Title	Type	Shares	Price	Value
Sep 16, 2026	Ryan Lynch	SEE REMARKS	SELL	240.000	$17.90	$4K
Sep 16, 2026	Jan Pinkas	CHIEF SCIENTIFIC OFFICER	SELL	658.000	$17.90	$12K
Sep 16, 2026	Ellie Im	CHIEF MEDICAL OFFICER	SELL	623.000	$17.90	$11K
Sep 16, 2026	Richard William Scalzo	CHIEF FINANCIAL OFFICER	SELL	568.000	$17.90	$10K
Sep 16, 2026	Barbara Bispham Hale	SEE REMARKS	SELL	620.000	$17.90	$11K
Sep 16, 2026	Joshua T Brumm	CHIEF EXECUTIVE OFFICER	SELL	9.447K	$16.91	$160K
Sep 16, 2026	Jonathan McNeill	PRESIDENT AND COO	SELL	4.570K	$16.90	$77K
Jul 16, 2026	Fairmount Funds Management LLC, Fairmount Healthcare Fund II LP, Tomas Kiselak, Evan Peter Harwin	DIRECTOR	BUY	853.450K	$14.50	$12.4M
Jun 22, 2026	Ryan Lynch	SEE REMARKS	SELL	465.000	$17.99	$8K
Jun 22, 2026	Jan Pinkas	CHIEF SCIENTIFIC OFFICER	SELL	1.288K	$17.99	$23K
Jun 22, 2026	Richard William Scalzo	CHIEF FINANCIAL OFFICER	SELL	1.112K	$17.99	$20K
Jun 22, 2026	Barbara Bispham	SEE REMARKS	SELL	1.218K	$17.99	$22K
Jun 22, 2026	Ellie Im	CHIEF MEDICAL OFFICER	SELL	1.219K	$17.99	$22K
Jun 22, 2026	Jonathan McNeill	PRESIDENT AND COO	SELL	20.549K	$17.99	$370K
Jun 22, 2026	Joshua T Brumm	CHIEF EXECUTIVE OFFICER	SELL	42.305K	$17.99	$761K