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

Rhea-AI Filing Summary

Artiva Biotherapeutics, Inc. (ARTV) reported an insider equity transaction by its Senior Vice President of Research and Development on a Form 4. On 11/15/2025, 1,375 shares of common stock were surrendered at a price of $3.25 per share, coded as an “F” transaction, which indicates shares withheld to cover taxes related to the vesting of restricted stock units. After this tax withholding event, the reporting person beneficially owned 39,591 shares of Artiva common stock directly. This was a routine administrative transaction tied to equity compensation rather than an open-market sale.

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

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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^*

Raymon Heather

(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)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	SVP, Research and Development

3. Date of Earliest Transaction (Month/Day/Year)
11/15/2025

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
Common Stock	11/15/2025		F		1,375(1)	D	$3.25	39,591	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

Explanation of Responses:

1. Represents shares withheld by the Issuer to satisfy income tax obligations associated with the vesting of restricted stock unit awards.

	/s/ Neha Krishnamohan, Attorney-in-Fact	11/17/2025
	** 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 insider transaction did ARTV report on this Form 4?

Artiva Biotherapeutics, Inc. reported that its SVP, Research and Development had 1,375 shares of common stock withheld on 11/15/2025, at $3.25 per share, in connection with the vesting of restricted stock units.

Who is the reporting person in this ARTV Form 4 filing?

The reporting person is an officer of Artiva Biotherapeutics, Inc., serving as SVP, Research and Development, and the form is filed by one reporting person.

How many ARTV shares does the insider own after the reported transaction?

Following the reported tax-withholding transaction, the insider beneficially owns 39,591 shares of Artiva Biotherapeutics common stock in direct ownership.

What does transaction code "F" mean in the ARTV Form 4?

Transaction code "F" signifies that 1,375 shares were withheld by the issuer to satisfy income tax obligations associated with the vesting of restricted stock unit awards, rather than an open-market purchase or sale.

Was the ARTV Form 4 filed for one or multiple reporting persons?

The Form 4 was indicated as being filed by one reporting person, not by a group or multiple insiders.

Does this ARTV insider transaction involve derivative securities?

The table for derivative securities shows no derivative transactions reported in this filing; the disclosed activity relates only to common stock withheld for taxes on restricted stock unit vesting.