Boone Karen 4

4 · Rivian Automotive, Inc. / DE · Filed Jul 8, 2026

AI-generated summary of this filing

Updated Jul 9, 2026

Rivian (RIVN) Director Karen Boone Sells 20,000 Shares

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.

Form 4

Period: 2026-07-06

Director

Transactions

Sale
Class A Common Stock
[F1][F2][F3]
2026-07-06$20.00/sh−20,000$400,000→ 110,000 total(indirect: See footnote)

Holdings

Footnotes (3)

[F1]The sale reported in this transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on November 24, 2025, as described in the Issuer's Annual Report on Form 10-K for the fiscal year ended December 31, 2025, filed with the Securities and Exchange Commission on February 12, 2026. The sale was made under an exception to the restrictions under the Lock-Up Agreement (as defined in Footnote 2) for an "Existing Trading Plan" (as defined therein).
[F2]The shares of Class A Common Stock beneficially owned by the Reporting Person following the transactions reported on this Form 4 are subject to a lock-up agreement (the "Lock-Up Agreement") between the Reporting Person and Goldman Sachs & Co. LLC , dated July 6, 2026 (the "Lock-up Date") pursuant to which the shares of Class A Common Stock reported herein cannot be sold for 45 days following the date of the final Prospectus (as defined in the Lock-Up Agreement), subject to certain enumerated exceptions in the Lock-Up Agreement.
[F3]By The Boone Family Trust dated August 6, 2015.

Signature

/s/ Jamie Chung, Attorney-in-Fact|2026-07-08

1 file