Rivian director Aidan N. Gomez receives stock award

The 420-share withholding was tied to tax obligations, and the reported $12.34 per-share figure was the October 19 closing price.

Rhea-AI Filing Summary

Rivian Automotive, Inc. director Aidan N. Gomez acquired an award of 807 restricted stock units (RSUs), which vested on October 20, 2026. On that date, the company withheld 420 shares of Class A Common Stock to satisfy tax withholding obligations related to the vesting. The reported $12.34 per-share figure was the stock’s closing price on October 19, 2026.

Insider Trade Summary

2 transactions reported

Mixed 2 txns

Insider Gomez Aidan N.

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Class A Common Stock F1	807	$0.00	$0.00
Tax Withholding	Class A Common Stock F2, F3	420	$12.34	$5K

Holdings After Transaction: Class A Common Stock — 63,564 shares (Direct)

Footnotes (3)

1. F1. Represents an award of 807 restricted stock units ("RSUs"), which vested on October 20, 2026.
2. F2. 420 shares of Class A Common Stock were withheld by the Company for the purposes of satisfying tax withholding obligations in connection with the vesting of 807 RSUs on October 20, 2026
3. F3. The closing price of the Company's Class A Common Stock on October 19, 2026

Key Figures

Restricted stock units awarded: 807 RSUs Shares withheld for tax obligations: 420 shares Closing price: $12.34 per share

3 metrics

Restricted stock units awarded 807 RSUs Vested October 20, 2026

Shares withheld for tax obligations 420 shares October 20, 2026

Closing price $12.34 per share Class A Common Stock, October 19, 2026

Key Terms

restricted stock units, vesting, tax withholding obligations

3 terms

restricted stock units financial

"award of 807 restricted stock units ("RSUs")"

Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.

vesting financial

"in connection with the vesting of 807 RSUs"

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.

tax withholding obligations financial

"satisfying tax withholding obligations"

FAQ

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

How many RSUs vested for RIVN director Aidan N. Gomez?

Aidan N. Gomez received an award of 807 restricted stock units, which vested on October 20, 2026; the company withheld 420 shares of Class A Common Stock for tax withholding obligations connected with the vesting.

What was the RIVN share price reported with Aidan N. Gomez’s withholding?

The reported $12.34 per-share figure was Rivian Class A Common Stock’s closing price on October 19, 2026.

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

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Available on EDGAR 10/22/2026 - 08:58 PM EDT Accepted by SEC EDGAR 10/22/2026 - 08:58 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).

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^*

Gomez Aidan N.

(Last) (First) (Middle)

C/O RIVIAN AUTOMOTIVE, INC.

14600 MYFORD RD

(Street)

IRVINE CALIFORNIA 92606

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
Rivian Automotive, Inc. / DE [ RIVN ]

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

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
10/20/2026

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
Class A Common Stock	10/20/2026		A		807(1)	A	$0	63,984	D
Class A Common Stock	10/20/2026		F		420(2)	D	$12.34(3)	63,564	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 an award of 807 restricted stock units ("RSUs"), which vested on October 20, 2026.

2. 420 shares of Class A Common Stock were withheld by the Company for the purposes of satisfying tax withholding obligations in connection with the vesting of 807 RSUs on October 20, 2026

3. The closing price of the Company's Class A Common Stock on October 19, 2026

Remarks:

	/s/ Jamie Chung, Attorney-in-Fact	10/22/2026
	** 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)