Leonard Reyno - 10 Jul 2025 Form 4/A - Amendment Insider Report for C4 Therapeutics, Inc. (CCCC)

Role
Chief Medical Officer
Signature
/s/ Shagha Russell, Attorney-in-Fact
Issuer symbol
CCCC
Transactions as of
10 Jul 2025
Net transactions value
-$14,690
Form type
4/A - Amendment
Filing time
15 Jul 2025, 09:00:15 UTC
Date Of Original Report
14 Jul 2025
Previous filing
18 Feb 2025
Next filing
16 Jan 2026
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
REYNO LEONARD Chief Medical Officer C/O C4 THERAPEUTICS, INC., 490 ARSENAL WAY #120, WATERTOWN /s/ Shagha Russell, Attorney-in-Fact 15 Jul 2025 0001528716

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction CCCC Common Stock Options Exercise $0 +15,325 +9.7% $0.000000 173,764 10 Jul 2025 Direct F1
transaction CCCC Common Stock Tax liability $14,690 -7,382 -4.2% $1.99 166,382 10 Jul 2025 Direct F2
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 This amendment to the Form 4 originally filed on July 14, 2025 is being filed voluntarily to report 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 July 12, 2023.
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.