SEC Form 4 · accession 0001470831-26-000895
C4 Therapeutics, Inc. · CCCC
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
Kendra Adams
Officer — Chief Financial Officer
Period of report
Sep 18, 2026
Accepted (ET)
Sep 21, 2026 · 4:24 pm EDT
Rule 10b5-1 plan
box not checked
Issuer CIK
0001662579
Table I — non-derivative securities
| Security | Date | Code | Shares | Price | A/D | Owned after | D/I | Nature of ownership |
|---|---|---|---|---|---|---|---|---|
| Common Stock | Sep 18, 2026 | M | 6,250 | $0.00 | A | 385,098 | D | |
| Common Stock | Sep 18, 2026 | F | 2,775 | $3.39 | D | 382,323 | D |
Table II — derivative securities
No Table II lines on this filing.
Explanation of responses
- F1Reflects the acquisition of shares of Common Stock upon vesting of a previously disclosed grant of restricted stock units ("RSUs"). The grant of RSUs was initially reported in Table I of the Form 4 filed by the Reporting Person on September 19, 2023.
- F2Represents shares withheld by the Issuer to satisfy tax withholding obligations in connection with the vesting and settlement of RSUs and does not represent a sale by the Reporting Person.