C4 Therapeutics, Inc.·4

Jun 4, 4:14 PM ET

Anderson Kenneth Carl 4

4 · C4 Therapeutics, Inc. · Filed Jun 4, 2026

Research Summary

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C4 Therapeutics Director Kenneth Anderson Exercises Options

What Happened
Kenneth C. Anderson, a director of C4 Therapeutics (CCCC), exercised stock options on June 1, 2026. He exercised options to acquire 1,070 shares at an exercise price of $2.11 per share, for a total cash outlay of $2,258. The filing indicates no shares were sold in connection with the exercise.

Key Details

  • Transaction date: 2026-06-01; Form 4 filed: 2026-06-04. (Filed within the normal reporting window.)
  • Action: Option exercise (transaction code M). 1,070 shares acquired at $2.11 each; total cost $2,258.
  • A derivative entry at $0 reflects the option converting into stock (no cash sale of shares).
  • Footnotes: F1 confirms exercise for cash and no shares sold; F7 notes the underlying options were fully vested and exercisable. F2–F6 note certain shares are held in revocable/irrevocable trusts in which the reporting person disclaims beneficial ownership except for pecuniary interest.
  • Shares owned after the transaction: not specified in this filing.

Context
This was a straightforward option exercise (paying cash to convert options into shares), not a cashless or immediate sale. Such exercises are common for insiders realizing vested equity and do not by themselves indicate a buy or sell signal about the company's prospects.

Insider Transaction Report

Form 4
Period: 2026-06-01
Transactions
  • Exercise/Conversion

    Common Stock

    [F1]
    2026-06-01$2.11/sh+1,070$2,25869,300 total
  • Exercise/Conversion

    Stock Option (Right to Buy)

    [F1][F7]
    2026-06-011,0700 total
    Exercise: $2.11Exp: 2026-07-12Common Stock (1,070 underlying)
Holdings
  • Common Stock

    [F2]
    (indirect: By Trust)
    129,877
  • Common Stock

    [F3]
    (indirect: By Trust)
    74,581
  • Common Stock

    [F4]
    (indirect: By Trust)
    74,581
  • Common Stock

    [F5]
    (indirect: By Trust)
    3,623
  • Common Stock

    [F6]
    (indirect: By Trust)
    3,623
Footnotes (7)
  • [F1]The reported transaction represents the exercise of a stock option for cash. No shares were sold in connection with the exercise.
  • [F2]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.
  • [F3]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.
  • [F4]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.
  • [F5]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.
  • [F6]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.
  • [F7]The shares underlying this option are fully vested and exercisable.
Signature
/s/ Shagha Russell, Attorney-in-Fact|2026-06-04

Documents

1 file
  • 4
    wk-form4_1780604078.xmlPrimary

    FORM 4