Michael John Callahan - 11 Sep 2026 Form 4 Insider Report for Rivian Automotive, Inc. / DE (RIVN)

Reporting relationship: Chief Administrative Officer
Issuer ticker: RIVN
Reported as of: 11 Sep 2026
Net transaction value: -$244,390
SEC form: 4
Accepted by SEC: 16 Sep 2026, 06:00:27 UTC
Prior SEC filing: 18 Aug 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 16 Sep 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: 16 Sep 2026, 06:00.

Change

Previous filing in this sequence was filed on 18 Aug 2026.
Current net transaction value: -$244,390.

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: 15 Sep 2026

Reported non-derivative transactions

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

RIVN transaction

Class A Common Stock

Sale

Transaction value: $244,390
Shares: -15,000
Change %: -1.5%
Price: $16.29
Shares after: 1,016,776
Date: 11 Sep 2026
Ownership: Direct
Footnotes: F1, F2

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

Additional SEC filing notes

Filing notes and footnotes

Rule 10b5-1 trading plan

These transactions were reported as open-market trades under a Rule 10b5-1 plan. The plan lets an insider set trading instructions in advance, which can reduce the risk of trading while in possession of material nonpublic information.

Original filing language: transaction made pursuant to a contract, instruction, or written plan intended to satisfy Rule 10b5-1(c).

Explanation of responses 2 footnotes

Footnote F1

The sale reported in this transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on June 12, 2026, as described in the Issuer's Quarterly Report on Form 10-Q for the three months ended June 30, 2026, filed with the Securities and Exchange Commission on July 30, 2026.

Footnote F2

The price reported is a weighted average sale price. The shares were sold in multiple transactions at prices ranging from $16.175 to $16.52, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the SEC, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.