STOCK TITAN

Artiva grants CTO 40K RSUs, 120K options

Artiva Biotherapeutics granted its Chief Tech Operations Officer new stock options and restricted stock units, increasing his direct equity stake.

(Neutral)
(Neutral)
Form Type
4

Rhea-AI Filing Summary

Artiva Biotherapeutics, Inc. (ARTV) reported that Chief Tech Operations Officer Christopher Horan received equity awards on September 9, 2026. He was granted 40,000 shares of Common Stock as a restricted stock unit award under the 2024 Equity Incentive Plan and options for 120,000 shares of Common Stock at an exercise price of $10.79 per share, expiring September 8, 2036. Following these awards, he directly holds 323,084 Common Shares and 120,000 stock options. The option award vests in equal monthly installments over four years, beginning September 8, 2026, and no Rule 10b5-1 trading plan is indicated.

Positive

  • None.

Negative

  • None.
Insider Horan Christopher
Role Chief Tech Operations Officer
Type Security Shares Price Value
Grant/Award Employee Stock Option (Right to Buy) F2 120,000 $0.00 $0.00
Grant/Award Common Stock F1 40,000 $0.00 $0.00
Holdings After Transaction: Employee Stock Option (Right to Buy) — 120,000 contracts (Direct); Common Stock — 323,084 shares (Direct)
Footnotes (2)
  1. F1. Represents restricted stock unit award granted under the Issuer's 2024 Equity Incentive Plan.
  2. F2. Beginning on September 8, 2026, 1/48th of the shares subject to the option shall vest in equal monthly installments over a four-year period.
Restricted stock units granted 40,000 shares Common Stock RSU award granted September 9, 2026 under the 2024 Equity Incentive Plan
Stock options granted 120,000 options Employee Stock Option grant on September 9, 2026
Option exercise price $10.79 per share Exercise price for 120,000 Employee Stock Options expiring September 8, 2036
Option expiration date September 8, 2036 Expiration of Employee Stock Options granted September 9, 2026
Common shares held after transaction 323,084 shares Directly owned Common Stock after September 9, 2026 award
Option vesting schedule 1/48 per month over 4 years Vesting begins September 8, 2026 for the 120,000-share option grant
restricted stock unit financial
"Represents restricted stock unit award granted under the Issuer's 2024 Equity Incentive Plan"
A restricted stock unit is a promise from a company to give an employee shares of stock after certain conditions are met, like staying with the company for a set amount of time. It’s like earning a bonus that turns into company stock once you’ve proven your commitment, making it a way to motivate and reward employees.
Equity Incentive Plan financial
"award granted under the Issuer's 2024 Equity Incentive Plan"
An equity incentive plan is a program that gives employees, executives or directors the right to receive company stock or options to buy stock as part of their pay. Think of it as offering slices of future company profit to motivate people to boost long‑term performance; for investors it matters because it can align employee goals with shareholder value but also increases the number of shares outstanding, which can dilute existing ownership.
vesting financial
"1/48th of the shares subject to the option shall vest in equal monthly installments"
Vesting is the process by which you earn full ownership of something, like company stock or a retirement benefit, over time. It’s like earning the right to keep a gift piece by piece the longer you stay with a company, making sure employees stay committed before they receive all the benefits.
Rule 10b5-1 regulatory
"The filing’s Rule 10b5-1 checkbox is not checked for these awards"
Rule 10b5-1 is a regulation that allows company insiders to buy or sell their shares at predetermined times, even if they have access to non-public information. It acts like setting a schedule in advance for transactions, helping prevent accusations of unfair trading. This rule provides a way for insiders to plan trades transparently, giving investors confidence that these transactions are not based on hidden information.

FAQ

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

What equity awards did ARTV grant to Christopher Horan on September 9, 2026?

Christopher Horan received 40,000 shares of Common Stock as a restricted stock unit award and stock options for 120,000 shares of Common Stock at an exercise price of $10.79 per share, expiring on September 8, 2036.

How many ARTV common shares does Christopher Horan hold after these transactions?

After the September 9, 2026 awards, Christopher Horan directly holds 323,084 shares of Artiva Biotherapeutics Common Stock, according to the reported post-transaction balance.

What are the vesting terms of Christopher Horan’s new ARTV stock options?

Beginning on September 8, 2026, 1/48th of the shares subject to the option vest in equal monthly installments over a four-year period, as disclosed in the footnote to the option grant.

Under which plan were Christopher Horan’s ARTV restricted stock units granted?

The 40,000-share restricted stock unit award was granted under Artiva Biotherapeutics’ 2024 Equity Incentive Plan, as stated in the footnote describing the transaction.

Were Christopher Horan’s ARTV transactions made under a Rule 10b5-1 plan?

No. The filing’s Rule 10b5-1 checkbox is not checked, so no Rule 10b5-1 trading plan is reported for the equity awards disclosed for Christopher Horan.

How many ARTV stock options does Christopher Horan hold after the grant?

Following the September 9, 2026 grant, Christopher Horan holds 120,000 stock options to acquire Artiva Biotherapeutics Common Stock, as shown by the total derivative securities reported after the transaction.

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

See more from StockTitan in Google Search and AI answers. Adds StockTitan as a preferred source · opens Google
Add on Google
Learn about SEC filing dates
SEC Form 4
FORM 4UNITED 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*
Horan Christopher

(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)
Director10% Owner
XOfficer (give title below)Other (specify below)
Chief Tech Operations Officer
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
09/09/2026
6. Individual or Joint/Group Filing (Check Applicable Line)
XForm 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)
CodeVAmount(A) or (D)Price
Common Stock09/09/2026A40,000(1)A$0323,084D
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)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount or Number of Shares
Employee Stock Option (Right to Buy)$10.7909/09/2026A120,000 (2)09/08/2036Common Stock120,000$0120,000D
Explanation of Responses:
1. Represents restricted stock unit award granted under the Issuer's 2024 Equity Incentive Plan.
2. Beginning on September 8, 2026, 1/48th of the shares subject to the option shall vest in equal monthly installments over a four-year period.
/s/ Jennifer Bush, Attorney-in-Fact09/11/2026
** Signature of Reporting PersonDate
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)

Keep reading