C4 Therapeutics, Inc. (CCCC) is a publicly traded company in the Unknown sector. Across all available filings, 21 corporate insiders have executed 245 transactions totaling $17.2M, demonstrating a bearish sentiment with -$16.5M in net insider flow. The most recent transaction on Jan 16, 2026 involved a sale of 10,000 shares valued at $22.2K.
No significant insider buying has been recorded for CCCC in the recent period.
No significant insider selling has been recorded for CCCC in the recent period.
Based on recent SEC filings, insider sentiment for CCCC is bearish with an Insider Alignment Score of 2/100 and a net flow of -$16.5M. Insiders are reducing their positions, though this can be driven by factors unrelated to company outlook.
Insider trading at C4 Therapeutics, Inc. (CCCC) refers to stock transactions made by corporate insiders—executives, directors, and beneficial owners holding more than 10% of the company's shares. These individuals have access to material non-public information and are required by law to report their trades to the SEC within two business days. Currently, 21 insiders are actively trading CCCC stock, having executed 245 transactions in the past 90 days. The most active insider is Elena Prokupets (Executive), who has made 30 transactions totaling $8.6M.
Get notified when executives and directors at CCCC file new Form 4 transactions
Date | Insider | Title | Type | Shares | Price | Value | Flags |
|---|---|---|---|---|---|---|---|
| Jan 16, 2026 | Reyno Leonard | Chief Medical Officer | Sale | 10,000 | $2.22 | $22.2K | |
| Oct 28, 2025 | Mahaney Paige | Executive | Payment | 5,644 | $2.58 | $14.6K | |
| Oct 28, 2025 | Mahaney Paige | Executive | Option Exercise | 19,200 | $N/A | $0 | |
| Oct 1, 2025 | Roy Grogan Donna | Executive | Award | 6,740 | $2.15 | $14.5K | |
| Oct 1, 2025 | Carl Anderson Kenneth | Executive | Award | 5,349 | $2.15 | $11.5K | |
| Sep 18, 2025 | Adams Kendra | Executive | Payment | 2,775 | $3.32 | $9.2K | |
| Sep 18, 2025 | Adams Kendra | Executive | Option Exercise | 6,250 | $N/A | $0 | |
| Jul 10, 2025 | Reyno Leonard | Executive | Payment | 7,382 | $1.99 | $14.7K | |
| Jul 10, 2025 | Reyno Leonard | Executive | Option Exercise | 15,325 | $N/A | $0 | |
| Jul 10, 2025 | Reyno Leonard | Executive | Payment | 7,382 | $1.99 | $14.7K | |
| Jul 1, 2025 | Roy Grogan Donna | Executive | Award | 9,609 | $1.51 | $14.5K | |
| Jul 1, 2025 | Carl Anderson Kenneth | Executive | Award | 7,616 | $1.51 | $11.5K | |
| Sep 18, 2024 | Adams Kendra | Executive | Payment | 1,837 | $6.38 | $11.7K | |
| Sep 16, 2024 | Siegel Jolie | Executive | Option Exercise | 2,250 | $N/A | $0 | |
| Sep 16, 2024 | Siegel Jolie | Executive | Payment | 661 | $6.36 | $4.2K |
| TYPE | COUNT | VALUE | % |
|---|---|---|---|
Sale(S) | 52 | $16.9M | 87.9% |
Exercise(M) | 61 | $975.9K | 5.1% |
Award(A) | 65 | $573.3K | 3.0% |
Payment(F) | 38 | $429.0K | 2.2% |
Purchase(P) | 5 | $336.3K | 1.8% |
Other(J) | 4 | $0 | 0.0% |
Gift(G) | 2 | $0 | 0.0% |
Conversion(C) | 18 | $0 | 0.0% |
Insider selling pressure at C4 Therapeutics, Inc. has increased, with 21 insiders executing 245 transactions across all time. Total sales of $16.9M significantly outpace purchases of $336.3K, resulting in a net outflow of $16.5M. This selling activity appears largely discretionary, which may warrant closer attention from investors.