Rivian (RIVN) CAO Michael Callahan Sells 15,000 Shares

What Happened

• Michael John Callahan, Chief Administrative Officer of Rivian Automotive (RIVN), sold 15,000 common shares in open-market transactions on September 11, 2026. The weighted average sale price was $16.29 per share for gross proceeds of approximately $244,391. The sale was reported as a disposition (S).

Key Details

• Transaction date: September 11, 2026.
• Price: weighted average $16.29; individual sale prices ranged from $16.175 to $16.52. (Footnote states multiple trades within this range and the filer will provide per-price breakdown on request.)
• Total shares sold: 15,000; total reported proceeds ≈ $244,391.
• Footnote: Sale was effected pursuant to a Rule 10b5-1 trading plan adopted by Mr. Callahan on June 12, 2026.
• Shares owned after the transaction: not specified in the provided filing excerpt.
• Filing date: September 16, 2026 (the filing occurred five days after the trade; timeliness classification was not specified in the excerpt).

Context

• This was a sale under a pre-established 10b5-1 plan, which means the trades were prearranged and typically do not reflect an immediate change in the insider’s view of the company. Sales by insiders are often routine for diversification or liquidity and are generally less informative than purchases about insider sentiment.