C4 Therapeutics, Inc.
CCCCReported to SECin USCIK 0001662579Filings at SEC EDGAR
No score on this page, by design. Everything here is a fact from a public U.S. register: insider filings at the SEC (Form 4), lobbying filings under the Lobbying Disclosure Act, trades reported by members of Congress under the STOCK Act, and fund holdings in 13F filings. Our scores, percentiles and signals run on the Dutch register only, because that is the only register the model has been validated on.
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The most recent filings
Most recent filing first: every line of every Form 4 at this company that passed our review, the same lines as on the register. Reported is the day the filing reached the SEC, usually within two business days of the trade. Amounts are in U.S. dollars, as the form states them.
| Filed by | Type | Value | Reported | Filed by | Value | Type | Shares | Reported |
|---|---|---|---|---|---|---|---|---|
| Adams KendraChief Financial Officer | Administrative | $9,4072,775 shares | Sep 21, 2026 | Adams KendraChief Financial Officer | $9,407 | Administrative | 2,775 | Sep 21, 2026 |
| Adams KendraChief Financial Officer | Option exercise | nothing paid6,250 shares | Sep 21, 2026 | Adams KendraChief Financial Officer | nothing paid | Option exercise | 6,250 | Sep 21, 2026 |
| REYNO LEONARDChief Medical Officer | Administrative | $30,0327,397 shares | Jul 13, 2026 | REYNO LEONARDChief Medical Officer | $30,032 | Administrative | 7,397 | Jul 13, 2026 |
| REYNO LEONARDChief Medical Officer | Option exercise | nothing paid15,325 shares | Jul 13, 2026 | REYNO LEONARDChief Medical Officer | nothing paid | Option exercise | 15,325 | Jul 13, 2026 |
| GROGAN DONNA ROY— | Award | $14,5003,341 shares | Jul 2, 2026 | GROGAN DONNA ROY | $14,500 | Award | 3,341 | Jul 2, 2026 |