CCCC
HealthcareC4 Therapeutics, Inc.
Prev Close
$2.75
Open
$2.78
High
$2.94
Low
$2.71
Volume
1.54M
Market Cap
$260.2M
P/E
—
Div Yield
—
Over the past 12 months, insider activity at C4 Therapeutics, Inc. (CCCC) has been exclusively selling, with 0 insider purchases totaling $0.00 and 11 insider sales totaling $282.7K. The most recent insider transaction was by Hirsch Andrew (President & CEO), who sold $91.1K worth of shares on Feb 18, 2026. C4 Therapeutics, Inc. operates in the Healthcare sector, within the Biotechnology industry, with a market cap of $260.2M.
Buys (12M)
0
$0.00
Sells (12M)
11
$282.7K
Net Activity
Net Seller
$282.7K
Active Insiders
7
last 12 mo
CCCC Insider Trading Activity
| Date | Insider | Role | Type | Shares | Avg Price | Value | Shares After |
|---|---|---|---|---|---|---|---|
| Feb 18, 2026↗ | Hirsch Andrew | President & CEO | Sell | 48,211 | $1.89 | $91.1K | 0 |
| Feb 13, 2026↗ | Adams Kendra | Chief Financial Officer | Sell | 17,244 | $1.89 | $32.6K | 0 |
| Feb 13, 2026↗ | Boyle Scott N | Chief Business Officer | Sell | 9,004 | $1.89 | $17.0K | 0 |
| Feb 13, 2026↗ | Mahaney Paige | Chief Scientific Officer | Sell | 2,446 | $1.89 | $4.6K | 0 |
| Feb 13, 2026↗ | Mossler Mark | Chief Accounting Officer | Sell | 3,268 | $1.89 | $6.2K | 0 |
| Feb 13, 2026↗ | REYNO LEONARD | Chief Medical Officer | Sell | 16,579 | $1.89 | $31.3K | 0 |
| Feb 13, 2026↗ | Schick Kelly | Chief People Officer | Sell | 9,004 | $1.89 | $17.0K | 0 |
| Jan 16, 2026↗ | REYNO LEONARD | officer: Chief Medical Officer | Sell | 20,000 | $2.22 | $44.4K | 156,382 |
| Oct 28, 2025↗ | Mahaney Paige | Chief Scientific Officer | Sell | 5,644 | $2.58 | $14.6K | 0 |
| Sep 18, 2025↗ | Adams Kendra | Chief Financial Officer | Sell | 2,775 | $3.32 | $9.2K | 0 |
| Jul 10, 2025↗ | REYNO LEONARD | Chief Medical Officer | Sell | 7,382 | $1.99 | $14.7K | 0 |
| Feb 14, 2025↗ | Hirsch Andrew | President & CEO | Sell | 22,217 | $3.18 | $70.7K | 0 |
| Feb 14, 2025↗ | Mossler Mark | Chief Accounting Officer | Sell | 1,586 | $3.18 | $5.0K | 0 |
| Feb 14, 2025↗ | REYNO LEONARD | Chief Medical Officer | Sell | 5,145 | $3.18 | $16.4K | 0 |
| Feb 13, 2025↗ | Adams Kendra | Chief Financial Officer | Sell | 6,422 | $3.19 | $20.5K | 0 |
| Feb 13, 2025↗ | Boyle Scott N | Chief Business Officer | Sell | 5,262 | $3.18 | $16.7K | 0 |
| Feb 13, 2025↗ | Schick Kelly | Chief People Officer | Sell | 4,103 | $3.19 | $13.1K | 0 |
| Feb 13, 2025↗ | Siegel Jolie | Chief Legal Officer | Sell | 5,049 | $3.19 | $16.1K | 0 |
| Nov 7, 2024↗ | Adams Kendra | Chief Financial Officer | Sell | 1,102 | $6.04 | $6.7K | 0 |
| Nov 7, 2024↗ | Boyle Scott N | Chief Business Officer | Sell | 1,102 | $6.04 | $6.7K | 0 |
| Nov 7, 2024↗ | Hirsch Andrew | President & CEO | Sell | 5,550 | $6.04 | $33.5K | 0 |
| Nov 7, 2024↗ | Schick Kelly | Chief People Officer | Sell | 1,102 | $6.04 | $6.7K | 0 |
| Nov 7, 2024↗ | Siegel Jolie | Chief Legal Officer | Sell | 1,102 | $6.04 | $6.7K | 0 |
| Sep 18, 2024↗ | Adams Kendra | Chief Financial Officer | Sell | 1,837 | $6.38 | $11.7K | 0 |
| Sep 16, 2024↗ | Adams Kendra | Chief Financial Officer | Sell | 661 | $6.36 | $4.2K | 0 |
| Sep 16, 2024↗ | Boyle Scott N | Chief Business Officer | Sell | 661 | $6.36 | $4.2K | 0 |
| Sep 16, 2024↗ | Fisher Stewart | Chief Scientific Officer | Sell | 661 | $6.36 | $4.2K | 0 |
| Sep 16, 2024↗ | Hirsch Andrew | President & CEO | Sell | 3,329 | $6.36 | $21.2K | 0 |
| Sep 16, 2024↗ | Schick Kelly | Chief People Officer | Sell | 661 | $6.36 | $4.2K | 0 |
| Sep 16, 2024↗ | Siegel Jolie | Chief Legal Officer | Sell | 661 | $6.36 | $4.2K | 0 |
| Jul 10, 2024↗ | REYNO LEONARD | Chief Medical Officer | Sell | 6,191 | $5.00 | $31.0K | 0 |
| Feb 15, 2024↗ | Hirsch Andrew | President & CEO | Sell | 6,560 | $7.90 | $51.8K | 0 |
| Feb 13, 2024↗ | Adams Kendra | Chief Financial Officer | Sell | 1,301 | $6.53 | $8.5K | 0 |
| Feb 13, 2024↗ | Boyle Scott N | Chief Business Officer | Sell | 1,735 | $6.53 | $11.3K | 0 |
| Feb 13, 2024↗ | Fisher Stewart | Chief Scientific Officer | Sell | 2,255 | $6.53 | $14.7K | 0 |
| Feb 13, 2024↗ | Schick Kelly | Chief People Officer | Sell | 1,735 | $6.53 | $11.3K | 0 |
| Feb 13, 2024↗ | Siegel Jolie | Chief Legal Officer | Sell | 1,735 | $6.53 | $11.3K | 0 |
| Aug 30, 2023↗ | Boyle Scott N | Chief Business Officer | Sell | 661 | $2.93 | $1.9K | 0 |
| Aug 30, 2023↗ | Fisher Stewart | Chief Scientific Officer | Sell | 661 | $2.93 | $1.9K | 0 |
| Aug 30, 2023↗ | Hirsch Andrew | President & CEO | Sell | 2,205 | $2.93 | $6.5K | 0 |
| Aug 30, 2023↗ | Schick Kelly | Chief People Officer | Sell | 661 | $2.93 | $1.9K | 0 |
| Aug 30, 2023↗ | Siegel Jolie | Chief Legal Officer | Sell | 661 | $2.93 | $1.9K | 0 |
| Aug 30, 2023↗ | White Lauren | Chief Financial Officer | Sell | 661 | $2.93 | $1.9K | 0 |
| Feb 8, 2023↗ | Koppikar Utpal | Director | Buy | 5,667 | $5.60 | $31.7K | 0 |
| Jan 30, 2023↗ | Boyle Scott N | Chief Business Officer | Sell | 1,222 | $7.78 | $9.5K | 0 |
| Jan 30, 2023↗ | Crystal Adam | Chief Medical Officer | Sell | 1,301 | $7.78 | $10.1K | 0 |
| Jan 30, 2023↗ | Fisher Stewart | Chief Scientific Officer | Sell | 1,301 | $7.78 | $10.1K | 0 |
| Jan 30, 2023↗ | Hirsch Andrew | President & CEO | Sell | 4,319 | $7.78 | $33.6K | 0 |
| Jan 30, 2023↗ | Schick Kelly | Chief People Officer | Sell | 1,301 | $7.78 | $10.1K | 0 |
| Jan 30, 2023↗ | Siegel Jolie | Chief Legal Officer | Sell | 1,301 | $7.78 | $10.1K | 0 |
| Jan 30, 2023↗ | White Lauren | Chief Financial Officer | Sell | 1,301 | $7.78 | $10.1K | 0 |
| Apr 12, 2022↗ | Hirsch Andrew | President & CEO | Buy | 10,000 | $8.40 | $84.0K | 0 |
| Jan 4, 2022↗ | Crystal Adam | Chief Medical Officer | Sell | 15,000 | $31.66 | $475.0K | 0 |
| Dec 17, 2021↗ | Salter Malcolm | Director | Sell | 755 | $30.25 | $22.8K | 0 |
| Nov 19, 2021↗ | Salter Malcolm | Director | Sell | 755 | $40.11 | $30.3K | 0 |
| Oct 15, 2021↗ | Salter Malcolm | Director | Sell | 755 | $44.94 | $33.9K | 0 |
| Oct 1, 2021↗ | Crystal Adam | Chief Medical Officer | Sell | 15,000 | $45.43 | $681.4K | 0 |
| Sep 27, 2021↗ | Prokupets Elena | Director | Sell | 1,850 | $50.04 | $92.6K | 0 |
| Sep 22, 2021↗ | Prokupets Elena | Director | Sell | 32,743 | $50.28 | $1.65M | 0 |
| Sep 17, 2021↗ | Prokupets Elena | Director | Sell | 21,161 | $50.09 | $1.06M | 0 |
| Sep 17, 2021↗ | Salter Malcolm | Director | Sell | 755 | $49.89 | $37.7K | 0 |
| Sep 14, 2021↗ | Prokupets Elena | Director | Sell | 81,676 | $48.78 | $3.98M | 0 |
| Sep 10, 2021↗ | Prokupets Elena | Director | Sell | 9,210 | $50.05 | $461.0K | 0 |
| Sep 10, 2021↗ | Siegel Jolie | Chief Legal Officer | Sell | 12,500 | $50.00 | $625.0K | 0 |
| Aug 20, 2021↗ | Salter Malcolm | Director | Sell | 755 | $40.73 | $30.8K | 0 |
| Aug 3, 2021↗ | Fisher Stewart | Chief Scientific Officer | Sell | 17,057 | $45.01 | $767.8K | 0 |
| Aug 3, 2021↗ | Prokupets Elena | Director | Sell | 14,407 | $45.16 | $650.6K | 0 |
| Jul 29, 2021↗ | Crystal Adam | Chief Medical Officer | Sell | 15,000 | $45.00 | $675.0K | 0 |
| Jul 29, 2021↗ | Fisher Stewart | Chief Scientific Officer | Sell | 68,315 | $45.00 | $3.07M | 0 |
| Jul 29, 2021↗ | Prokupets Elena | Director | Sell | 15,593 | $45.01 | $701.8K | 0 |
| Jul 29, 2021↗ | Siegel Jolie | Chief Legal Officer | Sell | 12,500 | $45.00 | $562.5K | 0 |
| Jul 16, 2021↗ | Salter Malcolm | Director | Sell | 755 | $37.37 | $28.2K | 0 |
| Jul 1, 2021↗ | Crystal Adam | Chief Medical Officer | Sell | 15,000 | $37.98 | $569.7K | 0 |
| Jun 18, 2021↗ | Salter Malcolm | Director | Sell | 755 | $37.19 | $28.1K | 0 |
| May 21, 2021↗ | Salter Malcolm | Director | Sell | 755 | $37.12 | $28.0K | 0 |
| Apr 5, 2021↗ | Crystal Adam | Chief Medical Officer | Sell | 15,000 | $37.77 | $566.5K | 0 |
CCCC Insider Buying Activity
The following table shows recent insider purchases of C4 Therapeutics, Inc. (CCCC) stock reported via SEC Form 4 filings.
| Date | Insider | Role | Type | Shares | Avg Price | Value | Shares After |
|---|---|---|---|---|---|---|---|
| Feb 8, 2023↗ | Koppikar Utpal | Director | Buy | 5,667 | $5.60 | $31.7K | 0 |
| Apr 12, 2022↗ | Hirsch Andrew | President & CEO | Buy | 10,000 | $8.40 | $84.0K | 0 |
CCCC Insider Selling Activity
The following table shows recent insider sales of C4 Therapeutics, Inc. (CCCC) stock reported via SEC Form 4 filings.
| Date | Insider | Role | Type | Shares | Avg Price | Value | Shares After |
|---|---|---|---|---|---|---|---|
| Feb 18, 2026↗ | Hirsch Andrew | President & CEO | Sell | 48,211 | $1.89 | $91.1K | 0 |
| Feb 13, 2026↗ | Adams Kendra | Chief Financial Officer | Sell | 17,244 | $1.89 | $32.6K | 0 |
| Feb 13, 2026↗ | Boyle Scott N | Chief Business Officer | Sell | 9,004 | $1.89 | $17.0K | 0 |
| Feb 13, 2026↗ | Mahaney Paige | Chief Scientific Officer | Sell | 2,446 | $1.89 | $4.6K | 0 |
| Feb 13, 2026↗ | Mossler Mark | Chief Accounting Officer | Sell | 3,268 | $1.89 | $6.2K | 0 |
| Feb 13, 2026↗ | REYNO LEONARD | Chief Medical Officer | Sell | 16,579 | $1.89 | $31.3K | 0 |
| Feb 13, 2026↗ | Schick Kelly | Chief People Officer | Sell | 9,004 | $1.89 | $17.0K | 0 |
| Jan 16, 2026↗ | REYNO LEONARD | officer: Chief Medical Officer | Sell | 20,000 | $2.22 | $44.4K | 156,382 |
| Oct 28, 2025↗ | Mahaney Paige | Chief Scientific Officer | Sell | 5,644 | $2.58 | $14.6K | 0 |
| Sep 18, 2025↗ | Adams Kendra | Chief Financial Officer | Sell | 2,775 | $3.32 | $9.2K | 0 |
| Jul 10, 2025↗ | REYNO LEONARD | Chief Medical Officer | Sell | 7,382 | $1.99 | $14.7K | 0 |
| Feb 14, 2025↗ | Hirsch Andrew | President & CEO | Sell | 22,217 | $3.18 | $70.7K | 0 |
| Feb 14, 2025↗ | Mossler Mark | Chief Accounting Officer | Sell | 1,586 | $3.18 | $5.0K | 0 |
| Feb 14, 2025↗ | REYNO LEONARD | Chief Medical Officer | Sell | 5,145 | $3.18 | $16.4K | 0 |
| Feb 13, 2025↗ | Adams Kendra | Chief Financial Officer | Sell | 6,422 | $3.19 | $20.5K | 0 |
| Feb 13, 2025↗ | Boyle Scott N | Chief Business Officer | Sell | 5,262 | $3.18 | $16.7K | 0 |
| Feb 13, 2025↗ | Schick Kelly | Chief People Officer | Sell | 4,103 | $3.19 | $13.1K | 0 |
| Feb 13, 2025↗ | Siegel Jolie | Chief Legal Officer | Sell | 5,049 | $3.19 | $16.1K | 0 |
| Nov 7, 2024↗ | Adams Kendra | Chief Financial Officer | Sell | 1,102 | $6.04 | $6.7K | 0 |
| Nov 7, 2024↗ | Boyle Scott N | Chief Business Officer | Sell | 1,102 | $6.04 | $6.7K | 0 |
| Nov 7, 2024↗ | Hirsch Andrew | President & CEO | Sell | 5,550 | $6.04 | $33.5K | 0 |
| Nov 7, 2024↗ | Schick Kelly | Chief People Officer | Sell | 1,102 | $6.04 | $6.7K | 0 |
| Nov 7, 2024↗ | Siegel Jolie | Chief Legal Officer | Sell | 1,102 | $6.04 | $6.7K | 0 |
| Sep 18, 2024↗ | Adams Kendra | Chief Financial Officer | Sell | 1,837 | $6.38 | $11.7K | 0 |
| Sep 16, 2024↗ | Adams Kendra | Chief Financial Officer | Sell | 661 | $6.36 | $4.2K | 0 |
| Sep 16, 2024↗ | Boyle Scott N | Chief Business Officer | Sell | 661 | $6.36 | $4.2K | 0 |
| Sep 16, 2024↗ | Fisher Stewart | Chief Scientific Officer | Sell | 661 | $6.36 | $4.2K | 0 |
| Sep 16, 2024↗ | Hirsch Andrew | President & CEO | Sell | 3,329 | $6.36 | $21.2K | 0 |
| Sep 16, 2024↗ | Schick Kelly | Chief People Officer | Sell | 661 | $6.36 | $4.2K | 0 |
| Sep 16, 2024↗ | Siegel Jolie | Chief Legal Officer | Sell | 661 | $6.36 | $4.2K | 0 |
| Jul 10, 2024↗ | REYNO LEONARD | Chief Medical Officer | Sell | 6,191 | $5.00 | $31.0K | 0 |
| Feb 15, 2024↗ | Hirsch Andrew | President & CEO | Sell | 6,560 | $7.90 | $51.8K | 0 |
| Feb 13, 2024↗ | Adams Kendra | Chief Financial Officer | Sell | 1,301 | $6.53 | $8.5K | 0 |
| Feb 13, 2024↗ | Boyle Scott N | Chief Business Officer | Sell | 1,735 | $6.53 | $11.3K | 0 |
| Feb 13, 2024↗ | Fisher Stewart | Chief Scientific Officer | Sell | 2,255 | $6.53 | $14.7K | 0 |
| Feb 13, 2024↗ | Schick Kelly | Chief People Officer | Sell | 1,735 | $6.53 | $11.3K | 0 |
| Feb 13, 2024↗ | Siegel Jolie | Chief Legal Officer | Sell | 1,735 | $6.53 | $11.3K | 0 |
| Aug 30, 2023↗ | Boyle Scott N | Chief Business Officer | Sell | 661 | $2.93 | $1.9K | 0 |
| Aug 30, 2023↗ | Fisher Stewart | Chief Scientific Officer | Sell | 661 | $2.93 | $1.9K | 0 |
| Aug 30, 2023↗ | Hirsch Andrew | President & CEO | Sell | 2,205 | $2.93 | $6.5K | 0 |
| Aug 30, 2023↗ | Schick Kelly | Chief People Officer | Sell | 661 | $2.93 | $1.9K | 0 |
| Aug 30, 2023↗ | Siegel Jolie | Chief Legal Officer | Sell | 661 | $2.93 | $1.9K | 0 |
| Aug 30, 2023↗ | White Lauren | Chief Financial Officer | Sell | 661 | $2.93 | $1.9K | 0 |
| Jan 30, 2023↗ | Boyle Scott N | Chief Business Officer | Sell | 1,222 | $7.78 | $9.5K | 0 |
| Jan 30, 2023↗ | Crystal Adam | Chief Medical Officer | Sell | 1,301 | $7.78 | $10.1K | 0 |
| Jan 30, 2023↗ | Fisher Stewart | Chief Scientific Officer | Sell | 1,301 | $7.78 | $10.1K | 0 |
| Jan 30, 2023↗ | Hirsch Andrew | President & CEO | Sell | 4,319 | $7.78 | $33.6K | 0 |
| Jan 30, 2023↗ | Schick Kelly | Chief People Officer | Sell | 1,301 | $7.78 | $10.1K | 0 |
| Jan 30, 2023↗ | Siegel Jolie | Chief Legal Officer | Sell | 1,301 | $7.78 | $10.1K | 0 |
| Jan 30, 2023↗ | White Lauren | Chief Financial Officer | Sell | 1,301 | $7.78 | $10.1K | 0 |
| Jan 4, 2022↗ | Crystal Adam | Chief Medical Officer | Sell | 15,000 | $31.66 | $475.0K | 0 |
| Dec 17, 2021↗ | Salter Malcolm | Director | Sell | 755 | $30.25 | $22.8K | 0 |
| Nov 19, 2021↗ | Salter Malcolm | Director | Sell | 755 | $40.11 | $30.3K | 0 |
| Oct 15, 2021↗ | Salter Malcolm | Director | Sell | 755 | $44.94 | $33.9K | 0 |
| Oct 1, 2021↗ | Crystal Adam | Chief Medical Officer | Sell | 15,000 | $45.43 | $681.4K | 0 |
| Sep 27, 2021↗ | Prokupets Elena | Director | Sell | 1,850 | $50.04 | $92.6K | 0 |
| Sep 22, 2021↗ | Prokupets Elena | Director | Sell | 32,743 | $50.28 | $1.65M | 0 |
| Sep 17, 2021↗ | Prokupets Elena | Director | Sell | 21,161 | $50.09 | $1.06M | 0 |
| Sep 17, 2021↗ | Salter Malcolm | Director | Sell | 755 | $49.89 | $37.7K | 0 |
| Sep 14, 2021↗ | Prokupets Elena | Director | Sell | 81,676 | $48.78 | $3.98M | 0 |
| Sep 10, 2021↗ | Prokupets Elena | Director | Sell | 9,210 | $50.05 | $461.0K | 0 |
| Sep 10, 2021↗ | Siegel Jolie | Chief Legal Officer | Sell | 12,500 | $50.00 | $625.0K | 0 |
| Aug 20, 2021↗ | Salter Malcolm | Director | Sell | 755 | $40.73 | $30.8K | 0 |
| Aug 3, 2021↗ | Fisher Stewart | Chief Scientific Officer | Sell | 17,057 | $45.01 | $767.8K | 0 |
| Aug 3, 2021↗ | Prokupets Elena | Director | Sell | 14,407 | $45.16 | $650.6K | 0 |
| Jul 29, 2021↗ | Crystal Adam | Chief Medical Officer | Sell | 15,000 | $45.00 | $675.0K | 0 |
| Jul 29, 2021↗ | Fisher Stewart | Chief Scientific Officer | Sell | 68,315 | $45.00 | $3.07M | 0 |
| Jul 29, 2021↗ | Prokupets Elena | Director | Sell | 15,593 | $45.01 | $701.8K | 0 |
| Jul 29, 2021↗ | Siegel Jolie | Chief Legal Officer | Sell | 12,500 | $45.00 | $562.5K | 0 |
| Jul 16, 2021↗ | Salter Malcolm | Director | Sell | 755 | $37.37 | $28.2K | 0 |
| Jul 1, 2021↗ | Crystal Adam | Chief Medical Officer | Sell | 15,000 | $37.98 | $569.7K | 0 |
| Jun 18, 2021↗ | Salter Malcolm | Director | Sell | 755 | $37.19 | $28.1K | 0 |
| May 21, 2021↗ | Salter Malcolm | Director | Sell | 755 | $37.12 | $28.0K | 0 |
| Apr 5, 2021↗ | Crystal Adam | Chief Medical Officer | Sell | 15,000 | $37.77 | $566.5K | 0 |
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