Key facts
- This page summarizes Kenneth Carl Anderson's Form 4 filing for C4 Therapeutics, Inc. (CCCC).
- 1 reported transaction and 0 derivative rows are listed below.
- Accepted by SEC: 02 Oct 2026, 16:43.
Kenneth Carl Anderson - 01 Oct 2026 Form 4 Insider Report for C4 Therapeutics, Inc. (CCCC)
- Reporting relationship
- Director
- Issuer ticker
- CCCC
- Reported as of
- 01 Oct 2026
- Net transaction value
- $0
- SEC form
- 4
- Accepted by SEC
- 02 Oct 2026, 16:43:49 UTC
- Prior SEC filing
- 02 Jul 2026
- Source filing
- View source filing
- Reporting owner signature
- /s/ Shagha Russell, Attorney-in-Fact
Source evidence
Original filing metadata and source links for verification.
4 source fields
Reporting owner
1 detail
Filing notes and source
Key filing fact
Kenneth Carl Anderson filed Form 4 for C4 Therapeutics, Inc. (CCCC) on 02 Oct 2026.
Change
- Previous filing in this sequence was filed on 02 Jul 2026.
- Current net transaction value: $0.
Research use
- This tells you what this filing adds before you inspect full transaction and derivative tables.
- You can trace every row back to the original SEC filing document.
Evidence
Filed on Form 4
View source filing
Ownership activity is grounded in SEC Form 4 disclosures.
Reporting Owners (1)
CIK 0001824862
Primary reporting owner
Anderson Kenneth Carl
- Relationship
- Director
- Address
- C/O C4 THERAPEUTICS, INC., 490 ARSENAL WAY #120, WATERTOWN
- Signature
- /s/ Shagha Russell, Attorney-in-Fact
- Signature date
- 02 Oct 2026
Reported non-derivative transactions
Shares, units, or other non-derivative securities reported in this filing.
CCCC
transaction
Common Stock
Award
- Transaction value
- Shares
- +3,662
- Change %
- +5.1%
- Price
- $3.14*
- Shares after
- 75,612
- Date
- 01 Oct 2026
- Ownership
- Direct
- Footnotes
- F1, F2
CCCC
holding
Common Stock
No transaction description listed
- Transaction value
- Shares
- Change %
- Price
- Shares after
- 129,877
- Date
- 01 Oct 2026
- Ownership
- By Kenneth C. Anderson 2021 Irrevocable Trust
- Footnotes
- F3
CCCC
holding
Common Stock
No transaction description listed
- Transaction value
- Shares
- Change %
- Price
- Shares after
- 74,581
- Date
- 01 Oct 2026
- Ownership
- By Kenneth C. Anderson 2015 Irrevocable Trust
- Footnotes
- F4
CCCC
holding
Common Stock
No transaction description listed
- Transaction value
- Shares
- Change %
- Price
- Shares after
- 74,581
- Date
- 01 Oct 2026
- Ownership
- By Cynthia E. Anderson 2015 Irrevocable Trust
- Footnotes
- F5
CCCC
holding
Common Stock
No transaction description listed
- Transaction value
- Shares
- Change %
- Price
- Shares after
- 3,623
- Date
- 01 Oct 2026
- Ownership
- By Kenneth C. Anderson Revocable Trust
- Footnotes
- F6
CCCC
holding
Common Stock
No transaction description listed
- Transaction value
- Shares
- Change %
- Price
- Shares after
- 3,623
- Date
- 01 Oct 2026
- Ownership
- By Cynthia E. Anderson Revocable Trust
- Footnotes
- F7
* marks a reported price that did not pass the local price check.
Additional SEC filing notes
Filing notes and footnotes
Explanation of responses 7 footnotes
Footnote F1
These shares were issued in accordance with the Issuer's Non-Employee Director Compensation Policy, pursuant to which the Reporting Person elected to receive shares of the Issuer's common stock in lieu of cash compensation for services as a non-employee director of the Issuer.
Footnote F2
The price reported in Column 4 is based upon the closing market price of the Issuer's common stock on October 1, 2026.
Footnote F3
Shares held by the Kenneth C. Anderson 2021 Irrevocable Trust. The Reporting Person disclaims beneficial ownership of these shares except to the extent of his pecuniary interest therein.
Footnote F4
Shares held by the Kenneth C. Anderson 2015 Irrevocable Trust. The Reporting Person disclaims beneficial ownership of these shares except to the extent of his pecuniary interest therein.
Footnote F5
Shares held by the Cynthia E. Anderson 2015 Irrevocable Trust. The Reporting Person disclaims beneficial ownership of these shares except to the extent of his pecuniary interest therein.
Footnote F6
Shares held by the Kenneth C. Anderson Revocable Trust. The Reporting Person disclaims beneficial ownership of these shares except to the extent of his pecuniary interest therein.
Footnote F7
Shares held by the Cynthia E. Anderson Revocable Trust. The Reporting Person disclaims beneficial ownership of these shares except to the extent of his pecuniary interest therein.