Boone Karen 4

What Happened

• Karen Boone, a director of Rivian Automotive (RIVN), sold 20,000 shares of Class A common stock in an open-market/registered sale on July 6, 2026. The shares were sold at $20.00 each for total proceeds of $400,000. The transaction is reported as a disposition (S).

Key Details

• Transaction date and price: July 6, 2026 — 20,000 shares at $20.00 per share (total $400,000).
• Shares owned after transaction: Not specified in the Form 4 filing.
• Footnotes of note:
  • Sale executed under a Rule 10b5‑1 trading plan adopted by Ms. Boone on November 24, 2025 (per Footnote 1).
  • The sale was made under an exception to a Lock‑Up Agreement with Goldman Sachs & Co. LLC (Lock‑Up Date July 6, 2026) that otherwise restricts sales for 45 days following the final prospectus; the exception covers “Existing Trading Plans” (Footnote 2).
  • Beneficial ownership listed as held "By The Boone Family Trust dated August 6, 2015" (Footnote 3).
• Filing timeliness: Form 4 was filed on July 8, 2026 for a July 6 transaction — within the usual two-business-day reporting window (timely).

Context

• The sale was executed under a pre-established 10b5‑1 plan, which generally means the trades were prearranged and are not necessarily an indication of a change in the insider’s view of the company.
• For retail investors, purchases generally carry more informational weight than routine sales; this transaction appears to be a routine, preplanned disposition rather than an ad hoc sale.