// company-profile
C4 Therapeutics, Inc. Insider Trading
CCCCEvery SEC Form 4 insider trading filing for C4 Therapeutics, Inc. (CCCC) — open-market buys and sells by directors and officers, option exercises, and cluster activity, updated as each filing is reported to the SEC.
curl "https://api.form4api.com/v1/transactions?ticker=CCCC" -H "X-Api-Key: YOUR_API_KEY"// activity-summary
Mixed insider activity over the last 30 days: 1 purchase and 1 sale (2 transactions total).
// 90-day insight
Over the last 90 days, C4 Therapeutics, Inc. insiders bought $28K (13 transactions) and sold $30K (1 transaction).
- Most active insider: Anderson Kenneth Carl with 4 transactions totaling $14K.
- Largest single sale: $30K by REYNO LEONARD on Jul 10, 2026.
Activity skews bullish — buys outpace sales.
Institutional Ownership
Top 13F-HR holders of C4 Therapeutics, Inc. as of 2026-06-30
Data source: quarterly 13F-HR filings — institutional holders report positions within 45 days of quarter end. Joined with insider activity above — see who's loading up institutionally while insiders are trading. Full 13F-HR API →
Insider Transactions
Sourced from SEC EDGAR Form 4 filings. Updated hourly.
| Date | Insider | Company | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Jul 10, 2026 | REYNO LEONARD | CCCC | Tax Withholding | 7,397 | $4.06 | $30K |
| Jul 10, 2026 | REYNO LEONARD | CCCC | Option Exercise | 15,325 | $0.00 | $0K |
| Jul 1, 2026 | Anderson Kenneth Carl | CCCC | Award | 2,650 | $4.34 | $12K |
| Jul 1, 2026 | GROGAN DONNA ROY | CCCC | Award | 3,341 | $4.34 | $14K |
| Jun 24, 2026 | Hughes Owen | CCCC | Award | 62,000 | $0.00 | $0K |
45 more transactions hidden
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