Artiva CEO sells 23K shares at about $10.92

Artiva’s CEO sold 23,429 ART V shares under a pre-arranged Rule 10b5-1 trading plan and remains a large direct shareholder.

Rhea-AI Filing Summary

Artiva Biotherapeutics, Inc. (ARTV) reported that its Chief Executive Officer, Fred Aslan, sold 23,429 shares of common stock on September 8, 2026 in an open-market transaction under a Rule 10b5-1 Plan adopted on May 13, 2026. The weighted average sale price was $10.9158 per share, within a range of $10.72 to $11.13. Following this sale, the CEO directly holds 1,449,765 shares of Artiva common stock.

Insider Trade Summary 10b5-1

Net Seller: 23,429 shares

Net Sell 1 txn

Insider Aslan Fred

Role Chief Executive Officer

Sold 23,429 shs ($256K)

Type	Security	Shares	Price	Value
Sale	Common Stock F1, F2	23,429	$10.9158	$256K

Holdings After Transaction: Common Stock — 1,449,765 shares (Direct)

Footnotes (2)

1. F1. The reported transactions occurred pursuant to a Rule 10b5-1 Plan adopted by the reporting person on May 13, 2026.
2. F2. The weighted average sale price for the transaction reported was $10.9158, and the range of prices were between $10.72 and $11.13. Upon request by the SEC staff, the Issuer, or any security holder of the Issuer, full information regarding the number of shares sold at each separate price will be provided.

Key Figures

Shares sold: 23,429 shares Weighted average sale price: $10.9158 per share Sale price range: $10.72–$11.13 per share +3 more

6 metrics

Shares sold 23,429 shares Common stock sale by CEO on September 8, 2026

Weighted average sale price $10.9158 per share Common stock sale on September 8, 2026

Sale price range $10.72–$11.13 per share Price range for shares sold on September 8, 2026

Shares held after transaction 1,449,765 shares CEO’s direct holdings after September 8, 2026 sale

Net shares sold in filing 23,429 shares Net selling activity across all reported transactions

Rule 10b5-1 Plan adoption date May 13, 2026 Date CEO adopted the trading plan governing this sale

Key Terms

Rule 10b5-1 Plan, weighted average sale price, open market or private transaction

3 terms

Rule 10b5-1 Plan regulatory

"The reported transactions occurred pursuant to a Rule 10b5-1 Plan adopted"

A Rule 10b5-1 plan is a prearranged, written schedule that lets corporate insiders buy or sell company stock at set times or amounts, even if they later learn material nonpublic information. Think of it like setting an automatic thermostat for trades: it creates a clear record that trades were planned in advance, reducing the risk of insider-trading accusations and helping investors trust that insider transactions are routine rather than based on secret information.

weighted average sale price financial

"The weighted average sale price for the transaction reported was $10.9158"

open market or private transaction financial

"Sale in open market or private transaction"

FAQ

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

What insider transaction did ARTV disclose in this Form 4?

Artiva Biotherapeutics disclosed that its CEO, Fred Aslan, sold 23,429 shares of common stock on September 8, 2026 in an open-market transaction, with a reported weighted average price of $10.9158 per share.

At what price did the ARTV CEO sell shares on September 8, 2026?

The CEO’s sale had a weighted average price of $10.9158 per ARTV share, with individual trade prices ranging between $10.72 and $11.13, according to the disclosure.

How many ARTV shares does the CEO hold after this reported sale?

After the reported transaction, Artiva’s CEO directly holds 1,449,765 shares of the company’s common stock, as stated in the filing.

Was the ARTV CEO’s stock sale made under a Rule 10b5-1 trading plan?

Yes. The company reports that the transactions occurred pursuant to a Rule 10b5-1 Plan adopted by the CEO on May 13, 2026, indicating the trades were pre-arranged under that plan.

How many ARTV shares did the CEO sell in this Form 4 transaction?

The CEO sold 23,429 shares of Artiva Biotherapeutics common stock in this reported transaction, according to the Form 4 data.

Is there detail on the individual sale prices in the ARTV CEO transaction?

The filing states that shares were sold at prices between $10.72 and $11.13 per share, with a weighted average of $10.9158, and that full price breakdowns are available upon request to the issuer or SEC staff.

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

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Available on EDGAR 09/09/2026 - 04:03 PM EDT Accepted by SEC EDGAR 09/09/2026 - 04:02 PM EDT Learn about SEC filing dates

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).

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^*

Aslan Fred

(Last) (First) (Middle)

C/O ARTIVA BIOTHERAPEUTICS, INC.

5505 MOREHOUSE DRIVE, SUITE 100

(Street)

SAN DIEGO CALIFORNIA 92121

(City) (State) (Zip)

UNITED STATES

(Country)

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
X	Officer (give title below)		Other (specify below)
	Chief Executive Officer

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
09/08/2026

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)
			Code	V	Amount	(A) or (D)	Price
Common Stock	09/08/2026		S(1)		23,429	D	$10.9158(2)	1,449,765	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. The reported transactions occurred pursuant to a Rule 10b5-1 Plan adopted by the reporting person on May 13, 2026.

2. The weighted average sale price for the transaction reported was $10.9158, and the range of prices were between $10.72 and $11.13. Upon request by the SEC staff, the Issuer, or any security holder of the Issuer, full information regarding the number of shares sold at each separate price will be provided.

	/s/ Jennifer Bush, Attorney-in-Fact	09/09/2026
	** 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)