Form 4 Tracker
C4 Therapeutics, Inc.
CCCC

19 insider filings · Latest: Jun 24, 2026

Common Stock Transactions
Txn DateAcceptedInsiderTypeSharesAvg PriceValueShares OwnedFiling
May 27, 2026May 29 12:31 AMMark Mossler
Proposed Sale
9,087$3.91$35.5K

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Mar 9, 2026Mar 9 8:20 PMJOLIE M SIEGEL
Proposed Sale
101,175$3.74$378.8K

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Jan 16, 2026Jan 16 9:27 PMLeonard ReynoChief Medical Officer
Sale
10,000$2.22$22.2K156,382(D)

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Nov 18, 2024Nov 18 9:43 PMSalter Malcolm
Proposed Sale
13,000$4.19$54.5K

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Oct 18, 2024Oct 18 8:45 PMSalter Malcolm
Proposed Sale
13,000$6.41$83.3K

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Oct 11, 2024Oct 11 9:37 PMSalter Malcolm
Proposed Sale
8,561$5.38$46.1K

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Stock Options & Derivatives
Txn DateAcceptedInsiderTypeSharesExercise PriceShares OwnedFiling
Jun 24, 2026Jun 27 12:33 AMOwen HughesDirector
Grant/Award
62,000$4.2562,000(D)

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Jun 24, 2026Jun 27 12:26 AMSteven L. HoerterDirector
Grant/Award
62,000$4.2562,000(D)

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Jun 24, 2026Jun 26 8:31 PMUtpal KoppikarDirector
Grant/Award
62,000$4.2562,000(D)

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Jun 24, 2026Jun 26 8:30 PMKenneth Carl AndersonDirector
Grant/Award
62,000$4.2562,000(D)

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Jun 24, 2026Jun 26 8:29 PMRonald Harold Wilfred CooperDirector
Grant/Award
62,000$4.2562,000(D)

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Jun 24, 2026Jun 26 8:28 PMLaura BessenDirector
Grant/Award
62,000$4.2562,000(D)

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Jun 24, 2026Jun 26 8:27 PMStephen FawellDirector
Grant/Award
62,000$4.2562,000(D)

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Jun 24, 2026Jun 26 8:25 PMDonna Roy GroganDirector
Grant/Award
62,000$4.2562,000(D)

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Jun 1, 2026Jun 4 8:14 PMKenneth Carl AndersonDirector
Option Exercise
1,070$2.110(D)

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