Rivian CFO sells 8,022 shares at $18 under plan

Rivian Automotive, Inc. Chief Financial Officer Claire McDonough reported an open-market sale of 8,022 shares of Class A common stock at $18.00 per share.

Rhea-AI Filing Summary

Rivian Automotive, Inc. Chief Financial Officer Claire McDonough reported an open-market sale of 8,022 shares of Class A common stock at $18.00 per share. The transaction was executed on June 3, 2026 under a pre-arranged Rule 10b5-1 trading plan.

After this sale, McDonough directly holds 878,985 shares of Rivian Class A common stock, showing she retains a substantial equity stake in the company while monetizing a small portion of her holdings through a scheduled plan.

Insider Trade Summary 10b5-1

Net Seller: 8,022 shares

Net Sell 1 txn

Insider McDonough Claire

Role Chief Financial Officer

Sold 8,022 shs ($144K)

Type	Security	Shares	Price	Value
Sale	Class A Common Stock	8,022	$18.00	$144K

Holdings After Transaction: Class A Common Stock — 878,985 shares (Direct)

Footnotes (1)

1. F1. The sale reported in this transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on September 2, 2025, as described in the Issuer's Quarterly Report on Form 10-Q for the three months ended September 30, 2025, filed with the Securities and Exchange Commission on November 4, 2025.

Key Figures

Shares sold: 8,022 shares Sale price: $18.00 per share Shares owned after: 878,985 shares +2 more

5 metrics

Shares sold 8,022 shares Open-market sale on June 3, 2026

Sale price $18.00 per share Class A common stock transaction

Shares owned after 878,985 shares Direct holdings post-transaction

Trading plan adoption date September 2, 2025 Rule 10b5-1 plan referenced in footnote

Transaction type Open-market sale Form 4 non-derivative transaction code S

Key Terms

Rule 10b5-1 trading plan, Form 4, Class A Common Stock, open-market sale, +1 more

5 terms

Rule 10b5-1 trading plan regulatory

"The sale reported in this transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person"

A Rule 10b5-1 trading plan is a pre-arranged schedule that allows company insiders to buy or sell stock at specific times, even if they have inside information. It helps prevent accusations of unfair trading by making these transactions look planned and transparent, rather than sneaky or illegal.

Form 4 regulatory

"INSIDER FILING DATA (Form 4):"

Form 4 is a official document that company insiders, such as executives or major shareholders, file with regulators whenever they buy or sell company shares. It provides transparency about how those with inside knowledge are trading, helping investors see if insiders are confident in the company's prospects or may be selling for personal reasons. This information can influence investor decisions by revealing insiders' perspectives on the company's value.

Class A Common Stock financial

""security_title": "Class A Common Stock""

Class A common stock is a category of a company’s shares that carries a specific set of ownership rights—most commonly defined voting power and claims on dividends—set out in the company’s charter. For investors it matters because the class determines how much influence you have over corporate decisions, the share’s likely dividend and trading behavior, and how it compares in value to other share classes, like choosing a particular seat with different privileges at the company’s decision-making table.

open-market sale financial

""transaction_action": "open-market sale""

An open-market sale is when a shareholder sells existing shares directly on a public exchange to any willing buyer, rather than through a private deal. Think of it like putting goods on a busy market stall where price is set by supply and demand; for investors it matters because such sales increase available supply, can put short-term downward pressure on the stock price, and signal changes in liquidity or investor confidence.

non-derivative financial

""transaction_type": "non-derivative""

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What did Rivian (RIVN) CFO Claire McDonough report in this Form 4?

Claire McDonough reported selling 8,022 shares of Rivian Class A common stock at $18.00 per share. The sale was an open-market transaction and left her with 878,985 shares directly owned after the trade.

How many Rivian (RIVN) shares does the CFO still own after the sale?

After the reported transaction, CFO Claire McDonough directly owns 878,985 shares of Rivian Class A common stock. This follows the open-market sale of 8,022 shares disclosed in the Form 4 filing for June 3, 2026.

At what price did Rivian (RIVN) CFO sell her shares in this filing?

The shares were sold at an average price of $18.00 per share. This open-market transaction covered 8,022 shares of Rivian Class A common stock and was disclosed in a Form 4 insider trading report filed with regulators.

Was the Rivian (RIVN) CFO sale part of a Rule 10b5-1 trading plan?

Yes. The filing states the sale was made under a Rule 10b5-1 trading plan adopted on September 2, 2025. Such plans pre-schedule trades, making the timing more routine and less reflective of near-term company developments.

What type of transaction is disclosed for Rivian (RIVN) in this Form 4?

The Form 4 shows an open-market sale of non-derivative securities, specifically Class A common stock. It records a single transaction where CFO Claire McDonough sold 8,022 shares at $18.00 per share on June 3, 2026.

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

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Accepted by SEC EDGAR 06/05/2026 - 04:02 PM EDT Learn about SEC filing dates

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

X

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

McDonough Claire

(Last) (First) (Middle)

C/O RIVIAN AUTOMOTIVE, INC.

14600 MYFORD ROAD

(Street)

IRVINE CALIFORNIA 92606

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
Rivian Automotive, Inc. / DE [ RIVN ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Chief Financial Officer

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
06/03/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Class A Common Stock	06/03/2026		S(1)		8,022	D	$18	878,985	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. The sale reported in this transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on September 2, 2025, as described in the Issuer's Quarterly Report on Form 10-Q for the three months ended September 30, 2025, filed with the Securities and Exchange Commission on November 4, 2025.

Remarks:

	/s/ Jamie Chung, Attorney-in-Fact	06/05/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)