MICHAEL JOHN CALLAHAN - 15 Feb 2026 Form 4 Insider Report for Rivian Automotive, Inc. / DE (RIVN)

Role: Chief Administrative Officer
Signature: /s/ Jamie Chung, Attorney-in-Fact
Issuer symbol: RIVN
Transactions as of: 15 Feb 2026
Net transactions value: -$451,938
Form type: 4
Filing time: 18 Feb 2026, 17:47:12 UTC
Previous filing: 18 Nov 2025
Next filing: 05 Mar 2026
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
CALLAHAN MICHAEL JOHN	Chief Administrative Officer	C/O RIVIAN AUTOMOTIVE, INC., 14600 MYFORD ROAD, IRVINE	/s/ Jamie Chung, Attorney-in-Fact	18 Feb 2026	0001262742

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	RIVN	Class A Common Stock	Tax liability	$451,938	-25,490	-3%	$17.73	838,035	15 Feb 2026	Direct	F1, F2

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	25,490 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 February 15, 2026.
F2	The closing price of the Issuer's Class A Common Stock on February 13, 2026.