C4 Therapeutics director exercises 1,070 stock options
C4 Therapeutics director Kenneth Carl Anderson exercised stock options to acquire 1,070 shares of common stock on June 1, 2026.
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Form Type
4
Rhea-AI Filing Summary
C4 Therapeutics director Kenneth Carl Anderson exercised stock options to acquire 1,070 shares of common stock on June 1, 2026. The options were exercised at a price of $2.11 per share for cash, and no shares were sold in connection with the exercise.
Following the exercise, Anderson directly holds 69,300 shares of C4 Therapeutics common stock. Additional shares are held indirectly through several revocable and irrevocable trusts associated with Anderson and Cynthia E. Anderson, for which he disclaims beneficial ownership except to the extent of any pecuniary interest.
Insider Trade Summary
1,070 shares exercised/converted
Exercise
7 txns
Insider
Anderson Kenneth Carl
Role
Director
| Type | Security | Shares | Price | Value |
|---|---|---|---|---|
| Exercise | Stock Option (Right to Buy) | 1,070 | $0.00 | $0.00 |
| Exercise | Common Stock | 1,070 | $2.11 | $2K |
| holding | Common Stock | -- | -- | -- |
| holding | Common Stock | -- | -- | -- |
| holding | Common Stock | -- | -- | -- |
| holding | Common Stock | -- | -- | -- |
| holding | Common Stock | -- | -- | -- |
Holdings After Transaction:
Stock Option (Right to Buy) — 0 contracts (Direct);
Common Stock — 69,300 shares (Direct);
Common Stock — 129,877 shares (Indirect, By Kenneth C. Anderson 2021 Irrevocable Trust);
Common Stock — 74,581 shares (Indirect, By Kenneth C. Anderson 2015 Irrevocable Trust);
Common Stock — 74,581 shares (Indirect, By Cynthia E. Anderson 2015 Irrevocable Trust);
Common Stock — 3,623 shares (Indirect, By Kenneth C. Anderson Revocable Trust);
Common Stock — 3,623 shares (Indirect, By Cynthia E. Anderson Revocable Trust)
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.
Key Figures
Options exercised: 1,070 shares
Exercise price: $2.11 per share
Direct holdings after transaction: 69,300 shares
+4 more
7 metrics
Options exercised
1,070 shares
Common stock acquired via option exercise on June 1, 2026
Exercise price
$2.11 per share
Strike price for exercised stock options
Direct holdings after transaction
69,300 shares
Common stock directly owned by Kenneth Carl Anderson after exercise
Options exercised (derivative record)
1,070 shares
Stock Option (Right to Buy) converted into common stock
Option expiration date
July 12, 2026
Expiration date of the exercised stock option grant
Shares held by Kenneth C. Anderson 2021 Irrevocable Trust
129,877 shares
Indirect ownership via 2021 irrevocable trust
Shares held by each 2015 Irrevocable Trust
74,581 shares
Indirect holdings in each Kenneth and Cynthia E. Anderson 2015 Irrevocable Trust
Key Terms
stock option, derivative security, revocable trust, irrevocable trust, +1 more
5 terms
stock option financial
"The reported transaction represents the exercise of a stock option for cash."
A stock option is a contract that gives you the right to buy or sell a company's stock at a specific price within a certain time frame. People use them to potentially make money if the stock's price moves favorably or to protect against losses. It's like holding a coupon that can be used to buy or sell stock at a set price later on.
derivative security financial
"Exercise or conversion of derivative security"
A derivative security is a financial contract whose value comes from the price or performance of something else, such as a stock, bond, commodity, or market index. For investors it acts like an insurance policy or a wager: it can be used to protect against losses, lock in prices, or amplify gains and losses, so it can change a portfolio’s risk and potential return without owning the underlying asset directly.
revocable trust financial
"By Cynthia E. Anderson Revocable Trust"
A revocable trust is a legal arrangement where the person who creates it keeps control and can change or cancel the trust at any time, while naming who will manage and receive the assets later. Think of it like a flexible folder for your investments and property that can be relabeled or reworked as circumstances change; it matters to investors because it determines how ownership is recorded, how easily assets transfer on incapacity or death, and whether holdings bypass public probate proceedings.
irrevocable trust financial
"Shares held by the Kenneth C. Anderson 2021 Irrevocable Trust."
An irrevocable trust is a legal arrangement where an owner transfers assets into a separate entity managed by a trustee and gives up the power to modify or reclaim those assets. For investors it matters because putting stock or other holdings into such a trust can change who controls and benefits from the assets, affect taxes and creditor protection, and influence how easy it is to sell or value those holdings—like placing valuables in a locked safe overseen by someone else.
pecuniary interest financial
"disclaims beneficial ownership of these shares except to the extent of his pecuniary interest therein."
FAQ
AI-generated questions and answers. How Rhea-AI works. Not financial advice.
What insider transaction did C4 Therapeutics (CCCC) report for Kenneth Carl Anderson?
C4 Therapeutics reported that director Kenneth Carl Anderson exercised stock options to acquire 1,070 shares of common stock. The exercise occurred on June 1, 2026 and involved converting a derivative position into directly held shares.
At what price did Kenneth Carl Anderson exercise C4 Therapeutics (CCCC) stock options?
Kenneth Carl Anderson exercised his C4 Therapeutics stock options at an exercise price of $2.11 per share. This price represents the predetermined strike price of the options, not a new open-market purchase price for the company’s stock.
Were all stock options underlying this C4 Therapeutics (CCCC) grant fully vested?
Yes, the filing notes that the shares underlying the exercised option were fully vested and exercisable. This means the option had already met its vesting conditions, allowing Anderson to exercise and convert it into common stock.
AI-generated analysis. How Rhea-AI works. Not financial advice.
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