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$CCCC All transactions

C4 Therapeutics, Inc.

A

$ Value

$0

Shares

240,000

Price

$0

Filed

Feb 18

Insider

Name

Mahaney Paige

Title

Chief Scientific Officer

CIK

0002040313

Roles

Officer

Transaction Details

Transaction Date

2026-02-13

Code

A

Table

Non-Derivative

Ownership

Direct

Equity Swap

No

Shares After

339,356

Footnotes

Represents restricted stock units ("RSUs"). Each RSU represents the contingent right to receive one share of the Issuer's Common Stock upon vesting and settlement. The RSUs shall vest as follows: (i) 120,000 RSUs shall vest in three equal annual installments following the grant date, with the first installment vesting on February 13, 2027, and (ii) 120,000 RSUs shall vest in full on February 13, 2029, subject to potential acceleration upon achievement of certain performance milestones. | Reflects the acquisition of shares of Common Stock upon vesting of a previously disclosed grant of RSUs. The grant of RSUs was initially reported in Table I of the Forms 4 filed by the Reporting Person on February 18, 2025. | 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.

Filing Info

Accession No.

0001470831-26-000179

Form Type

4

Issuer CIK

0001662579

Mahaney Paige's History

Date Ticker Type Value
2026-02-14 CCCC M $0
2026-02-14 CCCC F $5K
2026-02-13 CCCC A $0
2025-10-28 CCCC M $0
2025-10-28 CCCC F $15K

Other Insiders at CCCC (90d)

Insider Bought Sold Last
REYNO LEONARD
Chief Medical Officer
2026-02-14
Hirsch Andrew
President & CEO
2026-02-15
GROGAN DONNA ROY 2026-04-01
Schick Kelly
Chief People Officer
2026-02-14
Anderson Kenneth Carl 2026-04-01
Boyle Scott N
Chief Business Officer
2026-02-14
Adams Kendra
Chief Financial Officer
2026-02-14
Mossler Mark
Chief Accounting Officer
2026-02-14
Mahaney Paige
Chief Scientific Officer
2026-02-14