Transaction #3229 · Form 4 · 0001193125-25-258664
C4 Therapeutics, Inc. · Exercise / conversion · Common Stock
C4 Therapeutics, Inc. · Transacted October 28, 2025 · Filed October 30, 2025
What does this filing report?
An SEC Form 4 filing for C4 Therapeutics, Inc. records an exercise / conversion involving Common Stock on October 28, 2025. The reported quantity was 19,200. The filing date is October 30, 2025. This is one transaction record; amounts are not allocated among any joint reporting owners.
The acquisition category describes how securities were received. It does not by itself establish a cash purchase of common stock. Read the transaction code definitionsand the original filing before interpreting the amounts.
Transaction details
- Company
- C4 Therapeutics, Inc.
- Company CIK
- 0001662579
- Security type
- Non-derivative
- Acquisition type
- Exercise / conversion · Code M
- Quantity acquired
- 19,200
- Reported price
- 0
- Reference value
- 0
- Currency
- Currency not specified
- Ownership
- Direct
- Holdings after transaction
- 105,000
- Ownership description
- Not reported
- SEC acceptance time
- Oct 30, 2025, 4:30 PM EDT
- 10b5-1 indication
- Not indicated
Reference value is reported quantity × reported price. It is not a confirmed cash payment or an estimate of a derivative's economic value. A missing currency is not assumed to be USD.
Reporting owners
- Mahaney Paige ↗
Chief Scientific Officer
CIK 0002040313
These are the reporting owners named in the filing. Quantities and amounts are not allocated among co-reporters. Roles reflect this filing, not a current profile.
Company listings
The linked listing is identified separately from other current company listings.
Filing footnotes & remarks
- F1
- Reflects 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 October 28, 2024.
- 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.
Footnotes are reproduced as plain text from the current source filing. For the full context, read the original SEC filing.
This record was updated Eastern Time. This is the stored record update time, not the transaction date. Report a correction.