Rivian CEO Robert Scaringe Withholds 44,033 Shares for Taxes

What Happened
Robert J. Scaringe, Rivian's CEO, had 44,033 shares of Class A common stock withheld by the company on August 15, 2026 to satisfy tax withholding obligations related to the vesting of 86,539 restricted stock units (RSUs). The withheld shares were valued at approximately $676,347 based on a per-share price of $15.36.

Key Details

• Transaction date reported: August 15, 2026; Form 4 filed August 18, 2026.
• Method/code: F — shares withheld by the issuer to satisfy tax withholding.
• Shares withheld/disposed: 44,033 at $15.36 each, total ≈ $676,347.
• RSUs vested: 86,539; after withholding, about 42,506 net shares were delivered to Scaringe.
• Price note: $15.36 is the issuer’s closing price on August 14, 2026 (footnote).
• Shares owned after the transaction: Not disclosed in this excerpt of the filing.
• No late filing flag noted in the provided information.

Context
This was a routine tax-withholding disposition tied to RSU vesting (not an open-market sale). Such withholdings are common when restricted awards vest and do not necessarily indicate buying or selling sentiment by the insider.