Rivian CAO acquires 2,756 shares via ESPP

Rivian Automotive, Inc. Chief Accounting Officer Sreela Venkataratnam acquired 2,756 shares of Class A common stock through the company’s 2021 Employee Stock Purchase Plan.

Rhea-AI Filing Summary

Rivian Automotive, Inc. Chief Accounting Officer Sreela Venkataratnam acquired 2,756 shares of Class A common stock through the company’s 2021 Employee Stock Purchase Plan. The shares were purchased for $11.6705 per share, equal to 85% of the May 20, 2026 closing price.

These ESPP shares were acquired on the last business day of the offering period from November 21, 2025 through May 20, 2026. Following this transaction, the officer directly holds 584,896 shares of Rivian Class A common stock.

Insider Trade Summary

Grant/Award: 2,756 shares

Grant/Award 1 txn

Insider Venkataratnam Sreela

Role Chief Accounting Officer

Type	Security	Shares	Price	Value
Grant/Award	Class A Common Stock	2,756	$11.6705	$32K

Holdings After Transaction: Class A Common Stock — 584,896 shares (Direct)

Footnotes (3)

1. 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 2,756 shares of Class A Common Stock was also exempt pursuant to Rule 16b-3(c).
2. F2. The Offering Period ended on May 20, 2026, and the shares were acquired on the last business day of the Offering Period.
3. 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.

Key Figures

ESPP shares acquired: 2,756 shares Purchase price: $11.6705 per share Post-transaction holdings: 584,896 shares +2 more

5 metrics

ESPP shares acquired 2,756 shares Class A common stock purchased in ESPP offering period ending May 20, 2026

Purchase price $11.6705 per share Price paid for ESPP shares on May 20, 2026

Post-transaction holdings 584,896 shares Total Class A common stock directly held after acquisition

ESPP discount 85% of closing price ESPP purchase price as a percentage of May 20, 2026 closing price

Offering period Nov 21, 2025 – May 20, 2026 ESPP purchase period for this acquisition

Key Terms

Employee Stock Purchase Plan, Rule 16b-3(c), Offering Period, Class A Common Stock

4 terms

Employee Stock Purchase Plan financial

"acquisition of shares of the Issuer's Class A Common Stock pursuant to the Rivian Automotive, Inc. 2021 Employee Stock Purchase Plan"

An employee stock purchase plan is a company program that lets workers buy shares through small payroll deductions, often at a discount to the market price and after a set offering period. Think of it like a workplace savings plan that turns into ownership: it encourages employees to share in the company’s success and can create predictable buying or selling of stock that investors watch because it affects supply, demand and employee incentives.

Rule 16b-3(c) regulatory

"The acquisition of those 2,756 shares of Class A Common Stock was also exempt pursuant to Rule 16b-3(c)."

An SEC rule that lets corporate insiders avoid automatic "short‑swing" profit recovery when they buy or sell their company’s stock under a pre‑approved, written plan that meets specific conditions. For investors, it matters because it clarifies when insider trades are treated as routine, reducing legal uncertainty and helping distinguish trades made for ordinary compensation or pre‑planned reasons from those that might signal opportunistic or timely insider advantage.

Offering Period financial

"for the purchase period of November 21, 2025 through May 20, 2026 (the "Offering Period")."

Class A Common Stock financial

"The acquisition of those 2,756 shares of Class A Common Stock was also exempt"

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.

FAQ

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

What insider transaction did Rivian (RIVN) report for Sreela Venkataratnam?

Rivian reported that Chief Accounting Officer Sreela Venkataratnam acquired 2,756 shares of Class A common stock. The acquisition occurred through the 2021 Employee Stock Purchase Plan at the end of an offering period running from November 21, 2025 through May 20, 2026.

At what price did the Rivian (RIVN) CAO acquire shares in this Form 4?

The 2,756 Rivian shares were purchased at $11.6705 per share under the ESPP. Footnotes state this price represented 85% of the Class A common stock closing price on May 20, 2026, the last business day of the offering period.

How many Rivian (RIVN) shares does the CAO hold after this ESPP acquisition?

After the ESPP acquisition, the Chief Accounting Officer directly holds 584,896 shares of Rivian Class A common stock. This figure reflects total direct ownership immediately following the 2,756-share purchase reported in the Form 4 filing.

What plan governed the insider share purchase reported by Rivian (RIVN)?

The transaction was made under the Rivian Automotive, Inc. 2021 Employee Stock Purchase Plan. The Form 4 notes that the offering period ran from November 21, 2025 through May 20, 2026 and that the purchase was exempt under Rule 16b-3(c).

Was the Rivian (RIVN) insider acquisition an open-market buy or plan purchase?

The acquisition was a plan purchase, not an open-market trade. Footnotes specify the shares were bought via the 2021 Employee Stock Purchase Plan at a discount price equal to 85% of Rivian’s May 20, 2026 closing stock price.

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

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Accepted by SEC EDGAR 05/22/2026 - 04:06 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).

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^*

Venkataratnam Sreela

(Last) (First) (Middle)

C/O RIVIAN AUTOMOTIVE, INC.

14600 MYFORD RD

(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 Accounting Officer

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
05/20/2026

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(1)	05/20/2026		A(2)	V	2,756	A	$11.6705(3)	584,896	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 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 2,756 shares of Class A Common Stock was also exempt pursuant to Rule 16b-3(c).

2. The Offering Period ended on May 20, 2026, and the shares were acquired on the last business day of the Offering Period.

3. 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.

Remarks:

	/s/ Jamie Chung, Attorney-in-Fact	05/22/2026
	** 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)