Donna Roy Grogan C4 Therapeutics, Inc. (CCCC) insider trading activity

Donna Roy Grogan is Director of C4 Therapeutics, Inc.. Currently has a direct ownership of 58,629 shares of CCCC, which is worth approximately $144,813. The most recent transaction as insider was on Oct 01, 2025, when has been sold 6,740 shares (Common Stock) at a price of $2.15 per share, resulting in proceeds of $14,491. This information was disclosed in a Form 4 filing with the Securities and Exchange Commission (SEC).

Shares Held (Direct Ownership) 58.6K

12.99% 3M change

102.57% 12M change

Total Value Held $144,813

DONNA ROY GROGAN Transaction History

Date	Transaction	Value	Shares Traded	Shares Held
Oct 01 2025	BUY Grant, award, or other acquisition	$14,491 $2.15 p/Share	6,740 Added 10.31%	58,629 Common Stock
Jul 01 2025	BUY Grant, award, or other acquisition	$14,509 $1.51 p/Share	9,609 Added 15.62%	51,889 Common Stock
Apr 01 2025	BUY Grant, award, or other acquisition	$13,796 $1.44 p/Share	9,581 Added 18.47%	42,280 Common Stock
Jan 02 2025	BUY Grant, award, or other acquisition	$13,750 $3.66 p/Share	3,757 Added 10.31%	32,699 Common Stock
Oct 01 2024	BUY Grant, award, or other acquisition	$13,755 $5.56 p/Share	2,474 Added 7.87%	28,942 Common Stock
Jul 01 2024	BUY Grant, award, or other acquisition	$13,754 $4.85 p/Share	2,836 Added 9.68%	26,468 Common Stock
Apr 01 2024	BUY Grant, award, or other acquisition	$13,745 $8.1 p/Share	1,697 Added 6.7%	23,632 Common Stock

Jan 02 2024	BUY Grant, award, or other acquisition	$13,744 $6.52 p/Share	2,108 Added 8.77%	21,935 Common Stock
Oct 02 2023	BUY Grant, award, or other acquisition	$13,751 $1.7 p/Share	8,089 Added 28.98%	19,827 Common Stock
Jul 03 2023	BUY Grant, award, or other acquisition	$13,748 $2.83 p/Share	4,858 Added 29.27%	11,738 Common Stock
Apr 03 2023	BUY Grant, award, or other acquisition	$13,753 $3.2 p/Share	4,298 Added 38.45%	6,880 Common Stock
Jan 03 2023	BUY Grant, award, or other acquisition	$11,247 $6.38 p/Share	1,763 Added 40.58%	2,582 Common Stock
Oct 03 2022	BUY Grant, award, or other acquisition	$7,117 $8.69 p/Share	819 Added 50.0%	819 Common Stock

DRG

Donna Roy Grogan

Director

Watertown, MA

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