Robert J. Scaringe plans sale of 34,818 Rivian shares

RIVN disclosures show insider share dispositions by Robert J. Scaringe and recent restricted stock entries.

Rhea-AI Filing Summary

RIVN disclosures show insider share dispositions by Robert J. Scaringe and recent restricted stock entries. The filing lists four reported open-market sales by Robert J. Scaringe: 21,446 shares for $346,781.82 on 04/14/2026, 20,264 shares for $303,960.00 on 03/31/2026, 17,450 shares for $272,230.47 on 03/17/2026, and 17,450 shares for $261,750.00 on 03/03/2026. The excerpt also lists two Restricted Stock entries attributable to the issuer with grant dates 08/15/2025 (14,721 shares) and 11/15/2025 (20,097 shares). Broker/dealer information includes Morgan Stanley Smith Barney LLC at 1 New York Plaza.

Key Figures

Sale on 04/14/2026: 21,446 shares Sale on 03/31/2026: 20,264 shares Sale on 03/17/2026: 17,450 shares +3 more

6 metrics

Sale on 04/14/2026 21,446 shares proceeds $346,781.82

Sale on 03/31/2026 20,264 shares proceeds $303,960.00

Sale on 03/17/2026 17,450 shares proceeds $272,230.47

Sale on 03/03/2026 17,450 shares proceeds $261,750.00

Restricted Stock grant 20,097 shares grant date 11/15/2025 (ISSUER)

Restricted Stock grant 14,721 shares grant date 08/15/2025 (ISSUER)

Key Terms

Restricted Stock, Form 144, ISSUER, Broker/Dealer

4 terms

Restricted Stock financial

"Restricted Stock | ISSUER | 20097 | 11/15/2025"

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.

Form 144 regulatory

"CONTENT METADATA: "form_type": "144""

Form 144 is a document that investors must file with the government when they plan to sell a large number of shares of a company's stock. It helps ensure transparency so everyone knows how many shares are being sold and when, which can impact the stock's price.

ISSUER regulatory

"Restricted Stock | ISSUER | 14721 | 08/15/2025"

Broker/Dealer financial

"Morgan Stanley Smith Barney LLC Executive Financial Services 1 New York Plaza"

A broker/dealer is a firm or person that both carries out trades for clients (broker) and buys or sells securities from its own inventory (dealer). Think of it as a shop that can take customer orders and also sell items off its own shelves. Investors care because broker/dealers connect buyers and sellers, influence the price and speed of trades, hold securities or cash for short periods, and can create conflicts of interest that affect trade cost and reliability.

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

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Accepted by SEC EDGAR 05/28/2026 - 04:06 PM EDT Learn about SEC filing dates

Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK	0001891517
Filer CCC	XXXXXXXX
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer	RIVIAN AUTOMOTIVE, INC.
SEC File Number	001-41042
Address of Issuer	14600 MYFORD ROAD IRVINE CALIFORNIA 92606
Phone	(888) 748-4261
Name of Person for Whose Account the Securities are To Be Sold	ROBERT J. SCARINGE
See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.
Relationship to Issuer	Officer
Relationship to Issuer	Director

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Common	Morgan Stanley Smith Barney LLC Executive Financial Services 1 New York Plaza 8th Floor New York NY 10004	34818	522270.00	1256505294	05/28/2026	NASDAQ

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

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Common	11/15/2025	Restricted Stock	ISSUER			20097	11/15/2025	Not Applicable
Common	08/15/2025	Restricted Stock	ISSUER			14721	08/15/2025	Not Applicable

* 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

Name and Address of Seller	Title of Securities Sold	Date of Sale	Amount of Securities Sold	Gross Proceeds
ROBERT J. SCARINGE 14600 MYFORD ROAD IRVINE CA 92606	Common	04/14/2026	21446	346781.82
ROBERT J. SCARINGE 14600 MYFORD ROAD IRVINE CA 92606	Common	03/31/2026	20264	303960.00
ROBERT J. SCARINGE 14600 MYFORD ROAD IRVINE CA 92606	Common	03/17/2026	17450	272230.47
ROBERT J. SCARINGE 14600 MYFORD ROAD IRVINE CA 92606	Common	03/03/2026	17450	261750.00

144: Remarks and Signature

Remarks
Date of Notice	05/28/2026
Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1	06/11/2025
ATTENTION:
The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.
Signature	/s/ Robert Joseph Scaringe
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)