Michael John Callahan - 20 May 2026 Form 4 Insider Report for Rivian Automotive, Inc. / DE (RIVN)

Reporting relationship: Chief Administrative Officer
Issuer ticker: RIVN
Reported as of: 20 May 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 22 May 2026, 16:07:08 UTC
Prior SEC filing: 19 May 2026
Source filing: View source filing
Reporting owner signature: /s/ Jamie Chung, Attorney-in-Fact

Key filing fact

Michael John Callahan filed Form 4 for Rivian Automotive, Inc. / DE (RIVN) on 22 May 2026.

Key facts

This page summarizes Michael John Callahan's Form 4 filing for Rivian Automotive, Inc. / DE (RIVN).
1 reported transaction and 0 derivative rows are listed below.
Accepted by SEC: 22 May 2026, 16:07.

Change

Previous filing in this sequence was filed on 19 May 2026.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001262742 Primary reporting owner

CALLAHAN MICHAEL JOHN

Relationship: Chief Administrative Officer
Address: C/O RIVIAN AUTOMOTIVE, INC., 14600 MYFORD ROAD, IRVINE
Signature: /s/ Jamie Chung, Attorney-in-Fact
Signature date: 22 May 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

RIVN transaction

Class A Common Stock

Award

Transaction value
Shares: +1,682
Change %: +0.16%
Price: $11.67^*
Shares after: 1,073,858
Date: 20 May 2026
Ownership: Direct
Footnotes: F1, F2, F3

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 3 footnotes

Footnote F1

The Reporting Person is voluntarily reporting the acquisition of shares of the Issuer's Class A Common Stock pursuant to the Rivian Automotive, Inc. 2021 Employee Stock Purchase Plan (the "ESPP") for the purchase period of November 21, 2025 through May 20, 2026 (the "Offering Period"). The acquisition of those 1,682 shares of Class A Common Stock was also exempt pursuant to Rule 16b-3(c).

Footnote F2

The Offering Period ended on May 20, 2026, and the shares were acquired on the last business day of the Offering Period.

Footnote F3

In accordance with the ESPP, these shares were purchased at a price that represented 85% of the closing price of the Issuer's Class A Common Stock on May 20, 2026.