Donna Roy Grogan

Insider Reports History

Location
1133 Old Queen Anne Road, Chatham, MA
Signature
/s/ Jolie M. Siegel, Attorney-in-Fact
All insider transactions
Transactions in reports broken out by “transaction date” reported in original SEC filing, see here for transactions aggregated across transaction date

Holdings reported by Donna Roy Grogan:

Stock Role Class Num Shares Value Price $ Report Date Ownership
C4 Therapeutics, Inc. Director Common Stock 58.6K $126K $2.15 Oct 1, 2025 Direct
C4 Therapeutics, Inc. Director Stock Option (Right to Buy) 35.5K Jun 18, 2025 Direct

Insider Reports Filed by Donna Roy Grogan

Symbol Company Period Transactions Value $ Form Type Date Filed Role
CCCC C4 Therapeutics, Inc. Oct 1, 2025 1 $14.5K 4 Oct 3, 2025 Director
CCCC C4 Therapeutics, Inc. Jul 1, 2025 1 $14.5K 4 Jul 2, 2025 Director
CCCC C4 Therapeutics, Inc. Jun 18, 2025 1 $0 4 Jun 20, 2025 Director
CCCC C4 Therapeutics, Inc. Apr 1, 2025 1 $13.7K 4 Apr 3, 2025 Director
CCCC C4 Therapeutics, Inc. Jan 2, 2025 1 $13.8K 4 Jan 3, 2025 Director
CCCC C4 Therapeutics, Inc. Oct 1, 2024 1 $13.8K 4 Oct 2, 2024 Director
CCCC C4 Therapeutics, Inc. Jul 1, 2024 1 $13.8K 4 Jul 2, 2024 Director
CCCC C4 Therapeutics, Inc. Jun 20, 2024 1 $0 4 Jun 21, 2024 Director
CCCC C4 Therapeutics, Inc. Apr 1, 2024 1 $13.7K 4 Apr 2, 2024 Director
CCCC C4 Therapeutics, Inc. Jan 2, 2024 1 $13.7K 4 Jan 3, 2024 Director
CCCC C4 Therapeutics, Inc. Oct 2, 2023 1 $13.8K 4 Oct 3, 2023 Director
CCCC C4 Therapeutics, Inc. Jul 3, 2023 1 $13.7K 4 Jul 5, 2023 Director
CCCC C4 Therapeutics, Inc. Jun 15, 2023 1 $0 4 Jun 16, 2023 Director
CCCC C4 Therapeutics, Inc. Apr 3, 2023 1 $13.8K 4 Apr 4, 2023 Director
CCCC C4 Therapeutics, Inc. Jan 3, 2023 1 $11.2K 4 Jan 4, 2023 Director
CCCC C4 Therapeutics, Inc. Oct 3, 2022 1 $7.12K 4 Oct 4, 2022 Director
CCCC C4 Therapeutics, Inc. Jul 29, 2022 1 $0 4 Aug 2, 2022 Director
CCCC C4 Therapeutics, Inc. Jul 29, 2022 0 $0 3 Aug 2, 2022 Director