Gomez Aidan N. 4

What Happened Rivian Director Aidan N. Gomez made an open‑market purchase of 18,000 shares of Rivian Class A common stock on May 15, 2026 at $13.97 per share, totaling $251,460. On the same date 3,752 shares were withheld by the company to satisfy tax withholding obligations related to the vesting of 6,961 restricted stock units (RSUs); the withheld shares are reported at $14.52 each (value $54,479).

Key Details

• Transaction dates: May 15, 2026.
• Purchase: 18,000 shares @ $13.97 = $251,460 (code P = purchase, open market/private purchase).
• Tax withholding: 3,752 shares withheld @ $14.52 = $54,479 (code F = tax withholding) related to vesting of 6,961 RSUs.
• Footnotes: F1 explains the withholding was to satisfy tax obligations on vested RSUs; F2 notes the Company’s closing price referenced was May 14, 2026.
• Shares owned after the transactions: not specified in the provided excerpt.
• Filing: Form 4 filed May 19, 2026 for the May 15 transactions — filed within the standard two business‑day window (timely).

Context The 18,000‑share trade is a straightforward open‑market purchase (a direct buy by an insider). The 3,752‑share action is not a sale but a company withholding of shares to cover taxes on RSU vesting (a common administrative transaction). Purchases by insiders are often watched by investors as potentially more informative than routine withholding, but this summary is factual and does not infer motive.