Form 4 Tracker
CRESCENT BIOPHARMA, INC.
CBIO

20 insider filings · Latest: Sep 16, 2026

Common Stock Transactions
Txn DateAcceptedInsiderTypeSharesAvg PriceValueShares OwnedFiling
Jun 22, 2026Jun 23 8:01 PMJoshua T BrummDirector, Chief Executive Officer
Sale
42,305$17.99$761.1K281,212(D)

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Stock Options & Derivatives
Txn DateAcceptedInsiderTypeSharesExercise PriceShares OwnedFiling
Jul 16, 2026Jul 20 9:30 PMFairmount Funds Management LLCDirector, 10% Owner
Purchase
525,897$0.0012,294,037(I)

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Jun 2, 2026Jun 3 11:48 PMJonathan ViolinDirector
Grant/Award
11,050$17.0111,050(D)

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Jun 2, 2026Jun 3 11:48 PMDavid Charles LubnerDirector
Grant/Award
11,050$17.0111,050(D)

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Jun 2, 2026Jun 3 11:47 PMAlexandra BalcomDirector
Grant/Award
11,050$17.0111,050(D)

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Jun 2, 2026Jun 3 11:47 PMSusan MoranDirector
Grant/Award
11,050$17.0111,050(D)

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Jun 2, 2026Jun 3 11:46 PMFairmount Funds Management LLCDirector, 10% Owner
Grant/Award
11,050$17.0111,050(I)

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