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  4. [144] Rivian Automotive, Inc. / DE SEC Filing

Rivian (RIVN) officer lines up new share sale after months of selling

Filing Impact
(Neutral)
Filing Sentiment
(Neutral)
Form Type
144

Rhea-AI Filing Summary

Rivian Automotive, Inc. (RIVN) received a Rule 144 notice from officer Claire R. McDonough covering a proposed sale of 8,023 shares of common stock through Morgan Stanley Smith Barney LLC on or after August 20, 2026. The shares are described as restricted stock acquired from the issuer on August 15, 2026.

The notice also lists McDonough’s prior sales of Rivian common stock during the past three months, including transactions on May 21, May 29, June 3, and August 18, 2026, each for several thousand shares with reported aggregate sale prices.

Positive

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Negative

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Proposed shares to be sold 8,023 shares Common stock under Rule 144 notice via Morgan Stanley Smith Barney LLC
Aggregate market value of proposed sale $128,368.00 Value reported for 8,023 shares of Rivian common stock
Shares sold on 08/18/2026 13,144 shares Rivian common stock sold with aggregate price $190,649.34
Aggregate sale price on 08/18/2026 $190,649.34 Sale of 13,144 shares of Rivian common stock
Shares sold on 06/03/2026 8,022 shares Rivian common stock sold with aggregate price $144,396.00
Shares sold on 05/29/2026 8,023 shares Rivian common stock sold with aggregate price $128,368.00
Shares sold on 05/21/2026 7,600 shares Rivian common stock sold with aggregate price $106,400.00
Rule 144 regulatory
"See the definition of "person" in paragraph (a) of Rule 144."
Rule 144 is a U.S. securities regulation that sets conditions under which restricted or insider-held shares can be legally resold to the public, such as required holding periods, availability of public information, limits on how much can be sold at once, and certain filing requirements. For investors it matters because it determines when previously locked-up shares can enter the market — like a release valve that can increase supply, affect share price, and signal insider intent.
Restricted Stock financial
"Common | 08/15/2026 | Restricted Stock | Issuer"
Shares granted to an individual that carry limits on transfer or sale until certain conditions are met, such as staying with the company for a set time or hitting performance targets. Think of them as a locked gift that gradually opens; for investors they matter because they affect how many shares may enter the market later, signal management incentives and potential dilution, and reveal confidence in future company performance.
aggregate sale price financial
"Common | 08/18/2026 | 13144 | 190649.34"

FAQ

What does the Form 144 filing disclose about RIVN insider Claire McDonough?
It discloses that officer Claire R. McDonough has filed a Rule 144 notice to sell 8,023 shares of Rivian Automotive, Inc. common stock, described as restricted stock acquired from the issuer on August 15, 2026, through Morgan Stanley Smith Barney LLC.

How many RIVN shares are proposed to be sold under this Form 144?
The notice covers a proposed sale of 8,023 shares of Rivian Automotive, Inc. common stock. The filing lists an aggregate market value of $128,368.00 for this block, with Morgan Stanley Smith Barney LLC as the broker.

What prior RIVN stock sales by Claire McDonough are reported in the past 3 months?
The notice lists Rivian common stock sales by Claire R. McDonough of 7,600 shares on May 21, 2026, 8,023 shares on May 29, 2026, 8,022 shares on June 3, 2026, and 13,144 shares on August 18, 2026, with corresponding aggregate sale prices.

What is the reported value of the proposed 8,023 RIVN shares to be sold?
The filing reports an aggregate market value of $128,368.00 for the proposed sale of 8,023 shares of Rivian common stock to be executed through Morgan Stanley Smith Barney LLC on or after August 20, 2026.

What type of securities is Claire McDonough selling under Rule 144 for RIVN?
The securities are described as restricted stock of Rivian Automotive, Inc., acquired from the issuer on August 15, 2026. The Form 144 relates to a proposed sale of 8,023 restricted shares of common stock.

Which broker is handling the proposed RIVN share sale under this Form 144?
The proposed sale of 8,023 shares of Rivian Automotive, Inc. common stock is listed as being handled through Morgan Stanley Smith Barney LLC Executive Financial Services, located at 1 New York Plaza in New York.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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144: Filer Information

144: Issuer Information

144: Securities Information



Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold


* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.



Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

144: Remarks and Signature

Source: View Original Filing on SEC EDGAR