Form 144 shows planned 10,245-share sale; RIVN insider sold 27,133 (RIVN)

Rhea-AI Filing Summary

RIVN related Form 144 shows a planned sale of 10,245 shares of Common Stock (listed as Restricted Stock) dated 02/15/2026, designated as sold by the Issuer. The filing also records that Claire R. McDonough reported a sale of 27,133 shares of Common Stock on 02/18/2026 for $455,699.59. The form lists Morgan Stanley Smith Barney LLC as the broker address information included.

Insights

Insider Transactions Analyst

Form 144 records an issuer-designated restricted-stock sale and a recent reported disposition by Claire R. McDonough.

The filing lists 10,245 shares of Common Stock dated 02/15/2026 described as Restricted Stock with the method labeled ISSUER. Separate line-item reporting shows 27,133 shares sold on 02/18/2026 for $455,699.59.

Cash-flow treatment and any trading plan references are not provided in the excerpt; subsequent filings would be needed for more context on whether these were open-market dispositions or issuer-directed transfers.

Key Figures

Planned sale: 10,245 shares Reported disposition: 27,133 shares Proceeds reported: $455,699.59 +1 more

4 metrics

Planned sale 10,245 shares Common Stock, Restricted Stock, dated 02/15/2026

Reported disposition 27,133 shares Sold by Claire R. McDonough on 02/18/2026

Proceeds reported $455,699.59 Proceeds from 27,133-share sale on 02/18/2026

Broker listed Morgan Stanley Smith Barney LLC Brokerage information in securities section

Key Terms

Restricted Stock, Form 144, Securities Sold During The Past 3 Months

3 terms

Restricted Stock financial

"Common | 02/15/2026 | 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.

Form 144 regulatory

"CONTENT TO ANALYZE: Filer Information ... 144: Filer Information"

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.

Securities Sold During The Past 3 Months regulatory

"144: Securities Sold During The Past 3 Months"

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

144: Issuer Information

Name of Issuer

SEC File Number

Address of Issuer

Phone

Name of Person for Whose Account the Securities are To Be Sold

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

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	10245	184410.00	1237077289	04/22/2026	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	02/15/2026	Restricted Stock	ISSUER			10245	02/15/2026	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
CLAIRE R MCDONOUGH 14600 MYFORD ROAD IRVINE CA 92606	Common	02/18/2026	27133	455699.59

144: Remarks and Signature

Remarks

Date of Notice

Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1

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

ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)

FAQ

What does RIVN's Form 144 report about planned sales?

The Form 144 lists a planned sale of 10,245 shares of Common Stock dated 02/15/2026, described as Restricted Stock and labeled with the method ISSUER. The filing names Morgan Stanley Smith Barney LLC as broker information.

How many shares did Claire R. McDonough report selling for RIVN?

Claire R. McDonough reported a sale of 27,133 shares of Common Stock on 02/18/2026, with reported proceeds of $455,699.59. The entry appears in the "Securities Sold During The Past 3 Months" section.

Does the Form 144 excerpt state whether proceeds go to the issuer or seller?

The excerpt identifies the planned 10,245-share item as ISSUER, indicating issuer involvement in that line. The filing does not otherwise state explicit proceeds recipients or uses in the provided excerpt.

Which broker is listed on the Form 144 excerpt for these transactions?

The broker listed is Morgan Stanley Smith Barney LLC with an address at 1 New York Plaza, 8th Floor, New York, NY 10004, included in the securities information section of the excerpt.