Cogent Biosciences director receives 759 stock options

Q: How many options did Cogent Biosciences director Karen Jean Ferrante receive?

Karen Jean Ferrante received options covering 759 shares of common stock on October 1, 2026, with an exercise price of $31.59 per share and an expiration date of October 1, 2036.

The option count was based on quarterly director cash compensation otherwise payable divided by a Black-Scholes value per option.

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Filing Sentiment

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Form Type

Rhea-AI Filing Summary

Cogent Biosciences, Inc. director Karen Jean Ferrante received a direct award of options covering 759 shares of common stock on October 1, 2026. The options have an exercise price of $31.59 per share and expire October 1, 2036. The award followed her election to take shares in lieu of cash compensation for director services; the option count was based on the quarter’s cash compensation otherwise payable divided by the Black-Scholes value of one option calculated on the grant date.

Insider Trade Summary

Grant/Award: 759 shares

Grant/Award 1 txn

Insider Ferrante Karen Jean

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Stock Option (Right to Buy) ^F1	759	$0.00	$0.00

Holdings After Transaction: Stock Option (Right to Buy) — 759 contracts (Direct)

Footnotes (1)

F1. The option award was issued to the Reporting Person, who elected to take shares in lieu of cash compensation for services as a director, pursuant to the Issuer's non-employee director compensation plan. The number of options granted was determined by dividing the cash compensation otherwise payable with respect to the quarter by the Black-Scholes value of a single option calculated as of the date of the grant.

Key Figures

Options awarded: 759 options Options following award: 759 options Exercise price: $31.59 per share +1 more

4 metrics

Options awarded 759 options October 1, 2026

Options following award 759 options Directly held after the transaction

Exercise price $31.59 per share Options awarded October 1, 2026

Expiration date October 1, 2036 Awarded options

Key Terms

Black-Scholes value, shares in lieu of cash compensation, non-employee director compensation plan

3 terms

Black-Scholes value technical

"the Black-Scholes value of a single option"

shares in lieu of cash compensation financial

"elected to take shares in lieu of cash compensation"

non-employee director compensation plan financial

"pursuant to the Issuer's non-employee director compensation plan"

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

How many options did Cogent Biosciences director Karen Jean Ferrante receive?

Karen Jean Ferrante received options covering 759 shares of common stock on October 1, 2026, with an exercise price of $31.59 per share and an expiration date of October 1, 2036.

How was Karen Jean Ferrante’s Cogent Biosciences option award calculated?

The option count was determined by dividing the cash compensation otherwise payable for the quarter by the Black-Scholes value of a single option calculated as of October 1, 2026.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Available on EDGAR 10/05/2026 - 04:30 PM Accepted by SEC EDGAR 10/05/2026 - 04:30 PM

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^*

Ferrante Karen Jean

(Last)

(First)

(Middle)

C/O COGENT BIOSCIENCES, INC.

180 THIRD AVENUE, 4TH FLOOR

(Street)

WALTHAM

MASSACHUSETTS

02451

(City)

(State)

(Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
Cogent Biosciences, Inc. [ COGT ]

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

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
10/01/2026

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

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

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

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)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)

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)
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)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
Stock Option (Right to Buy)	$31.59	10/01/2026		A		759		10/01/2026	10/01/2036	Common Stock	759	$0⁽¹⁾	759	D

Explanation of Responses:

1. The option award was issued to the Reporting Person, who elected to take shares in lieu of cash compensation for services as a director, pursuant to the Issuer's non-employee director compensation plan. The number of options granted was determined by dividing the cash compensation otherwise payable with respect to the quarter by the Black-Scholes value of a single option calculated as of the date of the grant.

	/s/ Evan D. Kearns, Attorney-in-Fact	10/05/2026
	** 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.
* Form 4: SEC 1474 (03-26)

Source: View Original Filing on SEC EDGAR