C4 Therapeutics Board Member Granted Major Stock Incentive Package

Rhea-AI Filing Summary

C4 Therapeutics Director Utpal Koppikar received a stock option grant on June 18, 2025, as reported in this Form 4 filing. The derivative securities transaction involved:

• Grant of 35,500 stock options to purchase common stock
• Exercise price set at $1.44 per share
• Options expire on June 17, 2035
• Vesting occurs at earlier of June 18, 2026 or next annual stockholder meeting

The options are subject to continued service as a Board member through the vesting date. This grant appears to be part of the company's director compensation program. The transaction was reported by attorney-in-fact Jolie M. Siegel on June 20, 2025.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider Koppikar Utpal

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Stock Option (Right to Buy)	35,500	$0.00	--

Holdings After Transaction: Stock Option (Right to Buy) — 35,500 shares (Direct)

Footnotes (1)

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Form 4 Insider Transactions: What Each Field Means →

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Koppikar Utpal

(Last) (First) (Middle)

C/O C4 THERAPEUTICS, INC.

490 ARSENAL WAY #120

(Street)

WATERTOWN MA 02472

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
C4 Therapeutics, Inc. [ CCCC ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

3. Date of Earliest Transaction (Month/Day/Year)
06/18/2025

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Stock Option (Right to Buy)	$1.44	06/18/2025		A		35,500		(1)	06/17/2035	Common Stock	35,500	$0	35,500	D

Explanation of Responses:

1. This option shall vest and become exercisable in full upon the earlier to occur of (i) June 18, 2026 and (ii) the next annual meeting of the Issuer's stockholders, subject to the recipient's continued service as a member of the Board on such date.

Remarks:

	/s/ Jolie M. Siegel, Attorney-in-Fact	06/20/2025
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

FAQ

What stock options did C4 Therapeutics (CCCC) director Utpal Koppikar receive on June 18, 2025?

Director Utpal Koppikar received 35,500 stock options with an exercise price of $1.44 per share. These options were granted on June 18, 2025, and expire on June 17, 2035.

What are the vesting terms for CCCC director Koppikar's June 2025 stock options?

The stock options will vest and become exercisable in full upon the earlier of: (i) June 18, 2026, or (ii) C4 Therapeutics' next annual meeting of stockholders, subject to Koppikar's continued service as a Board member.

How much did CCCC director Koppikar pay for the stock options granted in June 2025?

According to the Form 4 filing, Utpal Koppikar received the stock options at a price of $0, though they have an exercise price of $1.44 per share if/when exercised.

How many total derivative securities does Utpal Koppikar own in CCCC after the June 2025 grant?

Following the reported transaction, Utpal Koppikar beneficially owns 35,500 derivative securities (stock options) of CCCC directly, as indicated in column 9 of Table II in the Form 4.