[Form 4] Artiva Biotherapeutics, Inc. Insider Trading Activity

Rhea-AI Filing Summary

Elizabeth L. Hougen, Director at Artiva Biotherapeutics, reported receiving a stock option grant on June 24, 2025. The derivative securities transaction involved:

• Grant of 13,750 stock options to purchase common stock
• Exercise price set at $1.61 per share
• Options will vest fully on the earlier of June 24, 2026, or the date of the 2026 annual stockholder meeting
• Options expire on June 23, 2035

This Form 4 filing represents a standard director compensation equity grant. The options were granted with a 1-year cliff vesting schedule, suggesting alignment with the company's annual director service period. The transaction was executed under direct ownership, with the filing made through an attorney-in-fact on June 26, 2025.

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

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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).

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^*

HOUGEN ELIZABETH L

(Last) (First) (Middle)

C/O ARTIVA BIOTHERAPEUTICS, INC.

5505 MOREHOUSE DRIVE, SUITE 100

(Street)

SAN DIEGO CA 92121

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
Artiva Biotherapeutics, Inc. [ ARTV ]

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)
06/24/2025

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
Director Stock Option (Right to Buy)	$1.61	06/24/2025		A		13,750		(1)	06/23/2035	Common Stock	13,750	$0	13,750	D

Explanation of Responses:

1. The shares subject to the option will vest in full on the earlier of June 24, 2026, or the date of the Issuer's 2026 annual stockholder meeting.

	/s/ Neha Krishnamohan, Attorney-in-Fact	06/26/2025
	** 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).
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FAQ

What stock options did ARTV director Elizabeth Hougen receive in June 2025?

Elizabeth Hougen received 13,750 stock options (Right to Buy) on June 24, 2025, with an exercise price of $1.61 per share. These options will fully vest on the earlier of June 24, 2026, or the date of ARTV's 2026 annual stockholder meeting.

When do Elizabeth Hougen's ARTV stock options expire?

The stock options granted to Elizabeth Hougen expire on June 23, 2035, giving her a 10-year period to exercise the options from the grant date.

What is the exercise price of ARTV director options granted in June 2025?

The director stock options were granted with an exercise price of $1.61 per share.

What is the vesting schedule for ARTV director Elizabeth Hougen's June 2025 stock options?

The stock options will vest 100% on the earlier of two dates: June 24, 2026 (one year from grant), or the date of Artiva Biotherapeutics' 2026 annual stockholder meeting.

Who filed the Form 4 for ARTV director Elizabeth Hougen?

The Form 4 was signed by Neha Krishnamohan as Attorney-in-Fact for Elizabeth Hougen on June 26, 2025.