InsiderTrades

Form 4 for CCCC C4 Therapeutics, Inc.

Accepted 2026-07-13 16:33:49 ET · period of report 2026-07-10 · accession 0001470831-26-000705 · SEC index · Original document

Summary rows

Aggregated the way they appear in lists: one row per insider, transaction code and security table.

X Filed Traded Ticker Insider Title Type Price Qty Owned ΔOwn Value
2026-07-13 16:33 2026-07-10 CCCC REYNO LEONARD Chief Medical Off M - OptEx $0.00 +15.3K 379.8K +4% $0
2026-07-13 16:33 2026-07-10 CCCC REYNO LEONARD Chief Medical Off F - Tax $4.06 -7,397 372.4K -2% -$30.0K

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock 2026-07-10 M A 15,325 $0.00 379,803 D — — (F1) Reflects the acquisition of shares of Common Stock upon vesting of previously disclosed grants 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 July 12, 2023.
2 Common Common Stock 2026-07-10 F D 7,397 $4.06 372,406 D — — (F2) Represents 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.