Enliven Therapeutics (ELVN) CMO sells 40,000 shares after option exercise

Rhea-AI Filing Summary

Enliven Therapeutics’ chief medical officer Helen Louise Collins exercised stock options for 40,000 shares of Common Stock at an exercise price of $2.48 per share, then sold 40,000 shares in open‑market trades at weighted average prices around $30.

The transactions were carried out under a pre‑arranged Rule 10b5‑1 trading plan adopted on October 19, 2025. After these trades, Collins holds 25,000 shares of Enliven Therapeutics Common Stock directly.

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

X

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^*

Collins Helen Louise

(Last) (First) (Middle)

C/O ENLIVEN THERAPEUTICS, INC.

6200 LOOKOUT ROAD

(Street)

BOULDER CO 80301

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
Enliven Therapeutics, Inc. [ ELVN ]

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

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

3. Date of Earliest Transaction (Month/Day/Year)
03/09/2026

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
Common Stock	03/09/2026		M(1)		29,871	A	$2.48	54,871(2)	D
Common Stock	03/09/2026		S(1)		29,871	D	$30.0228(3)	25,000(4)	D
Common Stock	03/10/2026		M(1)		10,129	A	$2.48	35,129(2)	D
Common Stock	03/10/2026		S(1)		10,129	D	$30.1932(5)	25,000(4)	D

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)	$2.48	03/09/2026		M(1)			29,871	(6)	06/17/2031	Common Stock	29,871	$0	191,397	D
Stock Option (right to buy)	$2.48	03/10/2026		M(1)			10,129	(6)	06/17/2031	Common Stock	10,129	$0	181,268	D

Explanation of Responses:

1. The option exercises and sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on October 19, 2025.

2. Certain of these securities are restricted stock units (RSUs). Each RSU represents a contingent right to receive one share of the Issuer's Common Stock.

3. This transaction was executed in multiple trades at prices ranging from $30.00 to $30.10. The price reported above reflects the weighted average sale price. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

4. These securities are RSUs. Each RSU represents a contingent right to receive one share of the Issuer's Common Stock.

5. This transaction was executed in multiple trades at prices ranging from $30.00 to $30.56. The price reported above reflects the weighted average sale price. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

6. All of the shares subject to this option are fully vested and exercisable as of the date hereof.

	/s/ Ben Hohl, by power of attorney	03/11/2026
	** 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.
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FAQ

What did Enliven Therapeutics (ELVN) CMO Helen Collins report on this Form 4?

Helen Collins reported exercising options for 40,000 Enliven shares and selling 40,000 shares in open‑market transactions. The filing also shows she now directly holds 25,000 shares of Enliven Therapeutics Common Stock following these trades.

Were Helen Collins’ ELVN stock transactions pre-planned under a Rule 10b5-1 plan?

Yes, the option exercises and related sales were executed under a Rule 10b5‑1 trading plan adopted on October 19, 2025. Such plans schedule trades in advance, making the timing more routine and less reflective of short‑term expectations.

How many Enliven (ELVN) shares did the CMO sell and at what prices?

The Form 4 shows sales totaling 40,000 shares of Enliven Common Stock. Weighted average sale prices were reported around $30.02 and $30.19, with individual trades executed in narrow ranges between $30.00 and $30.56 per share.

What option exercise terms did Helen Collins have on her ELVN stock options?

Collins exercised stock options covering 40,000 shares of Enliven Common Stock at an exercise price of $2.48 per share. The Form 4 notes that all shares subject to the option were fully vested and exercisable as of the transaction dates.

How many Enliven Therapeutics (ELVN) shares does the CMO own after these transactions?

Following the reported exercises and sales, Helen Collins directly owns 25,000 shares of Enliven Therapeutics Common Stock. This post‑transaction holding figure comes from the Form 4’s “shares following transaction” entries for her non‑derivative Common Stock.

Did the Enliven (ELVN) Form 4 include any tax withholding or gift transactions?

No, this Form 4 only reports option exercises and open‑market sales. The transaction summary shows no entries for tax withholding dispositions, gifts, or restructuring transfers, focusing solely on exercise-and-sell activity by the CMO.