Rivian Automotive: CAO Michael Callahan sold 15,000 shares

What happened Michael John Callahan, chief administrative officer, sold 15,000 shares of Rivian Automotive in an open-market sale at $15.00 per share on Oct 1, 2026, for $225,000, according to the Form 4.

Key details

• Transaction date and price: Oct 1, 2026 — sale of 15,000 shares at $15.00 per share (transaction code S).
• Shares owned after the transaction: not reported in this filing.
• Footnote: the sale was effected pursuant to a Rule 10b5-1 trading plan adopted Jun 12, 2026, as described in the issuer's Form 10-Q for the quarter ended Jun 30, 2026 filed Jul 30, 2026.
• Filing date and timeliness: Form 4 filed Oct 2, 2026; reporting period Oct 1, 2026 (filing appears timely).

Why it may matter The filing reports a market sale executed under a pre-established Rule 10b5-1 trading plan. A filing does not show why the insider traded or why the company acted.