There have been 50 recent insider transactions recorded for C4 Therapeutics, Inc. (CCCC), including 30 buys and 20 sells. Total insider buying was valued at $3.38M and total insider selling at $309.87K.
Notable insiders with recent activity include Grogan Donna Roy, Anderson Kenneth Carl, Hirsch Andrew. Insider transactions can provide insights into how company leadership views the stock's valuation and future prospects.
Insider Transactions — CCCC
| Date |
Name |
Role |
Transaction |
Shares |
Avg. Price |
Value |
Shares Owned |
| 2026-04-01 |
Grogan Donna Roy |
Director |
RSU Award |
5,370 |
$2.70 |
$14.5K |
71,512 |
| 2026-04-01 |
Anderson Kenneth Carl |
Director |
RSU Award |
4,259 |
$2.70 |
$11.5K |
68,230 |
| 2026-02-15 |
Hirsch Andrew |
President & CEO |
Tax Withholding of RSU |
9,057 |
$1.89 |
$17.12K |
1,074,934 |
| 2026-02-14 |
Reyno Leonard |
Chief Medical Officer |
Tax Withholding of RSU |
16,579 |
$1.89 |
$31.33K |
379,803 |
| 2026-02-14 |
Hirsch Andrew |
President & CEO |
Tax Withholding of RSU |
39,154 |
$1.89 |
$74K |
1,083,991 |
| 2026-02-14 |
Schick Kelly |
Chief People Officer |
Tax Withholding of RSU |
7,269 |
$1.89 |
$13.74K |
299,881 |
| 2026-02-14 |
Boyle Scott N |
Chief Business Officer |
Tax Withholding of RSU |
7,269 |
$1.89 |
$13.74K |
298,801 |
| 2026-02-14 |
Adams Kendra |
Chief Financial Officer |
Tax Withholding of RSU |
15,381 |
$1.89 |
$29.07K |
385,098 |
| 2026-02-14 |
Mossler Mark |
Chief Accounting Officer |
Tax Withholding of RSU |
3,268 |
$1.89 |
$6.18K |
71,916 |
| 2026-02-14 |
Mahaney Paige |
Chief Scientific Officer |
Tax Withholding of RSU |
2,446 |
$1.89 |
$4.62K |
336,910 |
| 2026-02-13 |
Reyno Leonard |
Chief Medical Officer |
RSU Award |
240,000 |
- |
- |
396,382 |
| 2026-02-13 |
Hirsch Andrew |
President & CEO |
RSU Award |
700,000 |
- |
- |
1,123,145 |
| 2026-02-13 |
Schick Kelly |
Chief People Officer |
Tax Withholding of RSU |
1,735 |
$1.89 |
$3.28K |
307,150 |
| 2026-02-13 |
Boyle Scott N |
Chief Business Officer |
Tax Withholding of RSU |
1,735 |
$1.89 |
$3.28K |
306,070 |
| 2026-02-13 |
Adams Kendra |
Chief Financial Officer |
Tax Withholding of RSU |
1,863 |
$1.89 |
$3.52K |
400,479 |
| 2026-02-13 |
Mossler Mark |
Chief Accounting Officer |
RSU Award |
56,980 |
- |
- |
75,184 |
| 2026-02-13 |
Mahaney Paige |
Chief Scientific Officer |
RSU Award |
240,000 |
- |
- |
339,356 |
| 2026-01-16 |
Reyno Leonard |
Chief Medical Officer |
Informative Sell |
10,000 |
$2.22 |
$22.2K |
156,382 |
| 2026-01-02 |
Grogan Donna Roy |
Director |
RSU Award |
7,513 |
$1.93 |
$14.5K |
66,142 |
| 2026-01-02 |
Anderson Kenneth Carl |
Director |
RSU Award |
5,958 |
$1.93 |
$11.5K |
146,532 |
| 2025-10-28 |
Mahaney Paige |
Chief Scientific Officer |
Tax Withholding of RSU |
5,644 |
$2.58 |
$14.56K |
99,356 |
| 2025-10-01 |
Grogan Donna Roy |
Director |
RSU Award |
6,740 |
$2.15 |
$14.49K |
58,629 |
| 2025-10-01 |
Anderson Kenneth Carl |
Director |
RSU Award |
5,349 |
$2.15 |
$11.5K |
140,574 |
| 2025-09-18 |
Adams Kendra |
Chief Financial Officer |
Tax Withholding of RSU |
2,775 |
$3.32 |
$9.21K |
162,342 |
| 2025-07-10 |
Reyno Leonard |
Chief Medical Officer |
Tax Withholding of RSU |
7,382 |
$1.99 |
$14.69K |
166,382 |
| 2025-07-10 |
Reyno Leonard |
Chief Medical Officer |
Option Exercise |
15,325 |
- |
- |
173,764 |
| 2025-07-01 |
Grogan Donna Roy |
Director |
RSU Award |
9,609 |
$1.51 |
$14.51K |
51,889 |
| 2025-07-01 |
Anderson Kenneth Carl |
Director |
RSU Award |
7,616 |
$1.51 |
$11.5K |
135,225 |
| 2025-06-18 |
Hoerter Steven L. |
Director |
RSU Award |
35,500 |
$1.44 |
$51.12K |
35,500 |
| 2025-06-18 |
Hughes Owen |
Director |
RSU Award |
35,500 |
$1.44 |
$51.12K |
35,500 |
| 2025-06-18 |
Cooper Ronald Harold Wilfred |
Director |
RSU Award |
35,500 |
$1.44 |
$51.12K |
35,500 |
| 2025-06-18 |
Koppikar Utpal |
Director |
RSU Award |
35,500 |
$1.44 |
$51.12K |
35,500 |
| 2025-06-18 |
Grogan Donna Roy |
Director |
RSU Award |
35,500 |
$1.44 |
$51.12K |
35,500 |
| 2025-06-18 |
Anderson Kenneth Carl |
Director |
RSU Award |
35,500 |
$1.44 |
$51.12K |
35,500 |
| 2025-06-18 |
Bessen Laura |
Director |
RSU Award |
35,500 |
$1.44 |
$51.12K |
35,500 |
| 2025-06-18 |
Fawell Stephen |
Director |
RSU Award |
35,500 |
$1.44 |
$51.12K |
35,500 |
| 2025-04-01 |
Grogan Donna Roy |
Director |
RSU Award |
9,581 |
$1.44 |
$13.75K |
42,280 |
| 2025-04-01 |
Anderson Kenneth Carl |
Director |
RSU Award |
7,841 |
$1.44 |
$11.25K |
127,609 |
| 2025-02-18 |
Boyle Scott N |
Chief Business Officer |
Informative Sell |
669 |
$3.15 |
$2.11K |
107,805 |
| 2025-02-15 |
Hirsch Andrew |
President & CEO |
Tax Withholding of RSU |
9,370 |
$3.18 |
$29.8K |
423,145 |
| 2025-02-14 |
Reyno Leonard |
Chief Medical Officer |
RSU Award |
130,600 |
$3.18 |
$415.31K |
130,600 |
| 2025-02-14 |
Hirsch Andrew |
President & CEO |
RSU Award |
335,300 |
$3.18 |
$1.07M |
335,300 |
| 2025-02-14 |
Siegel Jolie |
Chief Legal Officer |
RSU Award |
84,700 |
$3.18 |
$269.35K |
84,700 |
| 2025-02-14 |
Schick Kelly |
Chief People Officer |
RSU Award |
84,700 |
$3.18 |
$269.35K |
84,700 |
| 2025-02-14 |
Boyle Scott N |
Chief Business Officer |
RSU Award |
84,700 |
$3.18 |
$269.35K |
84,700 |
| 2025-02-14 |
Adams Kendra |
Chief Financial Officer |
RSU Award |
130,600 |
$3.18 |
$415.31K |
130,600 |
| 2025-02-14 |
Mossler Mark |
Chief Accounting Officer |
Tax Withholding of RSU |
1,586 |
$3.18 |
$5.04K |
18,204 |
| 2025-02-14 |
Mahaney Paige |
Chief Scientific Officer |
RSU Award |
42,400 |
$3.18 |
$134.83K |
42,400 |
| 2025-02-13 |
Siegel Jolie |
Chief Legal Officer |
Tax Withholding of RSU |
2,135 |
$3.20 |
$6.83K |
54,353 |
| 2025-02-13 |
Schick Kelly |
Chief People Officer |
Tax Withholding of RSU |
1,735 |
$3.20 |
$5.55K |
54,753 |
■ Informative Buy/Sell — open market transaction (most significant)
■ Uninformative Buy — award, option exercise, conversion
■ Uninformative Sell — tax withholding, award vest sale
■ Neutral — gift, trust, expiry
