Rivian CAO has 20K shares withheld for taxes

Rivian Automotive, Inc. (RIVN) reported that Chief Accounting Officer Sreela Venkataratnam had 20,297 shares of Class A common stock withheld on August 15, 2026 to satisfy tax withholding obligations tied to the vesting of 39,890 Restricted Stock Units.

Rhea-AI Filing Summary

Rivian Automotive, Inc. (RIVN) reported that Chief Accounting Officer Sreela Venkataratnam had 20,297 shares of Class A common stock withheld on August 15, 2026 to satisfy tax withholding obligations tied to the vesting of 39,890 Restricted Stock Units. After this tax-withholding disposition, she directly holds 564,599 shares of Class A common stock.

Insider Trade Summary

Tax Withholding: 20,297 shares

Tax Withholding 1 txn

Insider Venkataratnam Sreela

Role Chief Accounting Officer

Type	Security	Shares	Price	Value
Tax Withholding	Class A Common Stock F1, F2	20,297	$15.36	$312K

Holdings After Transaction: Class A Common Stock — 564,599 shares (Direct)

Footnotes (2)

1. F1. 20,297 shares of Class A Common Stock were withheld by the Company for the purposes of satisfying tax withholding obligations in connection with the vesting of 39,890 Restricted Stock Units on August 15, 2026.
2. F2. The closing price of the Issuer's Class A Common Stock on August 14, 2026.

Key Figures

Shares withheld for tax: 20,297 shares RSUs vested: 39,890 units Price per share: $15.36 +2 more

5 metrics

Shares withheld for tax 20,297 shares Class A Common Stock withheld on August 15, 2026 for tax obligations

RSUs vested 39,890 units Restricted Stock Units vesting on August 15, 2026

Price per share $15.36 Closing price on August 14, 2026 used for withheld shares

Shares held after transaction 564,599 shares Direct Class A Common Stock ownership following withholding transaction

Tax-withholding shares count 20,297 shares Reported under Form 4 code F as payment of tax liability

Key Terms

Restricted Stock Units, tax withholding obligations, Class A Common Stock, Form 4

4 terms

Restricted Stock Units financial

"in connection with the vesting of 39,890 Restricted Stock Units on August 15, 2026"

Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.

tax withholding obligations financial

"for the purposes of satisfying tax withholding obligations in connection with the vesting"

Class A Common Stock financial

"20,297 shares of Class A Common Stock were withheld by the Company"

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.

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.

FAQ

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

What insider transaction did RIVN report for Sreela Venkataratnam on August 15, 2026?

Rivian Automotive (RIVN) reported that Sreela Venkataratnam had 20,297 shares of Class A common stock withheld. The shares covered tax withholding obligations related to the vesting of 39,890 Restricted Stock Units on August 15, 2026.

How many RIVN shares does Sreela Venkataratnam hold after the reported Form 4 transaction?

After the August 15, 2026 tax-withholding transaction, Sreela Venkataratnam directly holds 564,599 shares of Rivian Class A common stock. This figure reflects her position following the withholding of 20,297 shares for tax purposes.

Was the RIVN insider transaction a market sale or tax withholding event?

The RIVN insider transaction was a tax withholding event, not a market sale. 20,297 shares were withheld by Rivian to satisfy tax obligations arising from vesting of 39,890 RSUs, coded as a Form 4 transaction type F.

What price per share was used for the RIVN tax-withholding shares on August 15, 2026?

The withheld RIVN shares were valued at $15.36 per share, which reflects the closing price of Rivian’s Class A common stock on August 14, 2026, as disclosed in the Form 4 footnotes.

How many Restricted Stock Units vested for the RIVN Chief Accounting Officer?

On August 15, 2026, 39,890 Restricted Stock Units vested for Rivian’s Chief Accounting Officer. To cover related tax withholding obligations, 20,297 shares of Class A common stock were withheld by the company.

Is the RIVN Form 4 transaction under a Rule 10b5-1 trading plan?

The Form 4 for Rivian (RIVN) shows the Rule 10b5-1 checkbox is not affirmed. The transaction is reported as a tax-withholding disposition rather than an open-market trade under a trading plan.

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

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Available on EDGAR 08/18/2026 - 05:24 PM Accepted by SEC EDGAR 08/18/2026 - 05:24 PM 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)
08/15/2026

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	08/15/2026		F		20,297(1)	D	$15.36(2)	564,599	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. 20,297 shares of Class A Common Stock were withheld by the Company for the purposes of satisfying tax withholding obligations in connection with the vesting of 39,890 Restricted Stock Units on August 15, 2026.

2. The closing price of the Issuer's Class A Common Stock on August 14, 2026.

Remarks:

	/s/ Jamie Chung, Attorney-in-Fact	08/18/2026
	** 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)