=== SEC Form 4 — Statement of Changes in Beneficial Ownership ===
Document Type: 4
Period of Report: 2026-09-11
10b5-1 Pre-arranged Plan: Yes
--- Issuer ---
Name: Rivian Automotive, Inc. / DE (RIVN)
CIK: 0001874178
--- Reporting Owner ---
Name: CALLAHAN MICHAEL JOHN
CIK: 0001262742
Role: Officer (Chief Administrative Officer)
--- Non-Derivative Transactions ---
[Transaction #1]
Security: Class A Common Stock
Date: 2026-09-11 | Code: S (Open market sale)
Shares: -15,000 | Price: $16.29
Total Value: $244,390.50
Shares Owned After: 1,016,776 | Ownership: D (Direct)
Footnotes:
[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.
[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.
--- Footnotes (Complete Index) ---
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.
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.
--- Signature ---
/s/ /s/ Jamie Chung, Attorney-in-Fact (2026-09-15)
