CCCC SEC Form 4 filings
C4 Therapeutics, Inc. Latest Insider Trading Activity
The most recent employee insider trading activity for C4 Therapeutics, Inc. was on January 16, 2026, when Reyno Leonard (Chief Medical Officer) reported a sale of 10,000 shares at $2.22 per share. For the past 2,172 days, CCCC has had 12 total insider transactions represented in the displayed records. This page shows up to the 10 most recent SEC Form 4 filing records on a 6-hour delay. Sign up for real-time updates and access to 20 years of historic insider trading data.
Insider Trading For CCCC Charted on Daily Candles. Scroll left or zoom out to load earlier candles (up to 2 years).
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| Ticker | Filing Date | Transaction Date | Company | Insider | Title | Transaction | Trade Count | Shares | Avg. Price | Total Value | Position Size Change | SEC Filing |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Unexplained: transactions without an ESPP, DRIP, 10b5-1, tax liability, or Explained M/S tag. CCCC | 2026-01-16 | 2026-01-16 | C4 Therapeutics, Inc. | Reyno Leonard | Chief Medical Officer | Sell | 1 | 10,000 | $2.22 | $22,200.00 | 6.01% | View Filing |
| 10b5-1: Scheduled Form 4 Transaction CCCC | 2025-02-18 | 2025-02-18 | C4 Therapeutics, Inc. | Boyle Scott N | Chief Business Officer | Sell | 2 | 1,159 | $3.15 | $3,650.85 | 0.53% | View Filing |
| Unexplained: transactions without an ESPP, DRIP, 10b5-1, tax liability, or Explained M/S tag. CCCC | 2023-02-10 | 2023-02-08 | C4 Therapeutics, Inc. | Koppikar Utpal | Director | Buy | 1 | 5,667 | $5.60 | $31,735.20 | 100.00% | View Filing |
| Unexplained: transactions without an ESPP, DRIP, 10b5-1, tax liability, or Explained M/S tag. CCCC | 2022-04-12 | 2022-04-12 | C4 Therapeutics, Inc. | Hirsch Andrew | President & CEO | Buy | 1 | 10,000 | $8.40 | $84,000.00 | 100.00% | View Filing |
| Unexplained: transactions without an ESPP, DRIP, 10b5-1, tax liability, or Explained M/S tag. CCCC | 2022-01-05 | 2022-01-04 | C4 Therapeutics, Inc. | Crystal Adam | Chief Medical Officer | Sell | 2 | 15,000 | $31.67 | $474,977.78 | 32.57% | View Filing |
| Unexplained: transactions without an ESPP, DRIP, 10b5-1, tax liability, or Explained M/S tag. CCCC | 2021-12-17 | 2021-12-17 | C4 Therapeutics, Inc. | Salter Malcolm | Director | Sell | 1 | 755 | $30.25 | $22,838.75 | 6.45% | View Filing |
| Unexplained: transactions without an ESPP, DRIP, 10b5-1, tax liability, or Explained M/S tag. CCCC | 2021-11-19 | 2021-11-19 | C4 Therapeutics, Inc. | Salter Malcolm | Director | Sell | 1 | 755 | $40.11 | $30,283.05 | 6.06% | View Filing |
| Explained M/S: sale activity tied to share conversions or derivative-related share movements. CCCC | 2021-09-14 | 2021-09-10 | C4 Therapeutics, Inc. | Siegel Jolie | Chief Legal Officer | Sell | 1 | 12,500 | $50.00 | $625,000.00 | 100.00% | View Filing |
| Explained M/S: sale activity tied to share conversions or derivative-related share movements. CCCC | 2021-08-02 | 2021-07-29 | C4 Therapeutics, Inc. | Crystal Adam | Chief Medical Officer | Sell | 1 | 15,000 | $45.00 | $675,000.00 | 100.00% | View Filing |
| Unexplained: transactions without an ESPP, DRIP, 10b5-1, tax liability, or Explained M/S tag. CCCC | 2020-10-06 | 2020-10-06 | C4 Therapeutics, Inc. | Mckee William | Chief Financial Officer | Buy | 1 | 5,263 | $19.00 | $99,997.00 | 100.00% | View Filing |
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