CALLAHAN MICHAEL JOHN 4
4 · Rivian Automotive, Inc. / DE · Filed May 22, 2026
Research Summary
AI-generated summary of this filing
Rivian (RIVN) Chief Administrative Officer Michael Callahan Buys 1,682 Shares
What Happened
- Michael John Callahan, Rivian's Chief Administrative Officer, acquired 1,682 shares of Rivian Class A common stock on May 20, 2026. The shares were purchased under Rivian's 2021 Employee Stock Purchase Plan (ESPP) at $11.67 per share, for a total cost of $19,630. This was an employee purchase (acquisition), not a sale.
Key Details
- Transaction date: 2026-05-20 (report filed 2026-05-22).
- Transaction type/code: Acquisition under ESPP (Form 4 code A).
- Price and value: 1,682 shares at $11.67 each = $19,630 total.
- Purchase terms: Shares bought on the last business day of the offering period; price represented 85% of the closing price on 2026-05-20 (implied closing price ≈ $13.73).
- Rule/Exemption: Acquisition was reported as exempt under Rule 16b-3(c).
- Shares owned after transaction: Not specified in the filing.
Context
- ESPP purchases let employees buy company stock at a discount (here 15% off the closing price), a routine form of employee compensation and ownership rather than a directional trading signal. The filing appears timely (transaction on 5/20, Form 4 filed 5/22).
Insider Transaction Report
Form 4
CALLAHAN MICHAEL JOHN
Chief Administrative Officer
Transactions
- Award
Class A Common Stock
[F1][F2][F3]2026-05-20$11.67/sh+1,682$19,630→ 1,073,858 total
Footnotes (3)
- [F1]The Reporting Person is voluntarily reporting the acquisition of shares of the Issuer's Class A Common Stock pursuant to the Rivian Automotive, Inc. 2021 Employee Stock Purchase Plan (the "ESPP") for the purchase period of November 21, 2025 through May 20, 2026 (the "Offering Period"). The acquisition of those 1,682 shares of Class A Common Stock was also exempt pursuant to Rule 16b-3(c).
- [F2]The Offering Period ended on May 20, 2026, and the shares were acquired on the last business day of the Offering Period.
- [F3]In accordance with the ESPP, these shares were purchased at a price that represented 85% of the closing price of the Issuer's Class A Common Stock on May 20, 2026.
Signature
/s/ Jamie Chung, Attorney-in-Fact|2026-05-22