[Form 4] Rivian Automotive, Inc. / DE Insider Trading Activity

Rhea-AI Filing Summary

Rivian Automotive, Inc. (RIVN) reported an insider equity transaction by its Chief Administrative Officer. On November 15, 2025, 33,614 shares of Class A common stock were withheld by the company to cover tax obligations triggered by the vesting of 66,191 restricted stock units. The tax withholding price was based on the closing price of $15.11 per share on November 14, 2025. After this tax-related withholding, the reporting officer beneficially owned 863,525 shares of Rivian Class A common stock directly.

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
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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^*

CALLAHAN MICHAEL JOHN

(Last) (First) (Middle)

C/O RIVIAN AUTOMOTIVE, INC.

14600 MYFORD ROAD

(Street)

IRVINE CA 92606

(City) (State) (Zip)

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

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

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

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
Class A Common Stock	11/15/2025		F		33,614(1)	D	$15.11(2)	863,525	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. 33,614 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 66,191 Restricted Stock Units on November 15, 2025.

2. The closing price of the Issuer's Class A Common Stock on November 14, 2025.

Remarks:

	/s/ Jamie Chung, Attorney-in-Fact	11/18/2025
	** 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 Rivian (RIVN) disclose in this Form 4?

Rivian disclosed that its Chief Administrative Officer had 33,614 shares of Class A common stock withheld by the company on November 15, 2025 to satisfy tax withholding obligations related to vesting restricted stock units.

Was the Rivian (RIVN) Form 4 transaction an open-market sale?

No. The 33,614 shares of Class A common stock were withheld by the company to cover tax withholding obligations upon the vesting of 66,191 restricted stock units, rather than sold in the open market.

What price was used for the Rivian (RIVN) tax withholding shares?

The tax withholding for the 33,614 shares of Class A common stock was calculated using $15.11 per share, which was the closing price of Rivian’s Class A common stock on November 14, 2025.

How many Rivian (RIVN) shares does the insider own after this transaction?

After the withholding of 33,614 shares for taxes, the reporting officer beneficially owns 863,525 shares of Rivian Class A common stock with direct ownership.

Which executive at Rivian (RIVN) is involved in this Form 4 filing?

The filing relates to an officer of Rivian serving as Chief Administrative Officer, who reported the tax withholding transaction in company stock.

What equity award event triggered the Rivian (RIVN) tax withholding?

The company withheld 33,614 shares to satisfy tax obligations arising from the vesting of 66,191 restricted stock units on November 15, 2025.