Rubrik CFO reports option exercise and stock sales on Form 4

Rhea-AI Filing Summary

Rubrik, Inc. (RBRK) filed a Form 4 reporting equity transactions by its Chief Financial Officer. On 11/19/2025, the CFO exercised a stock option for 2,000 shares of Class B common stock at an exercise price of $7.99 per share, which were then converted into 2,000 shares of Class A common stock and acquired at a reported price of $0.

That same day, the CFO sold 3,500 shares of Class A common stock in open-market transactions, consisting of 1,900 shares at a weighted average price of $68.91 per share and 1,600 shares at a weighted average price of $70.12 per share. After these transactions, the CFO beneficially owned 509,051 shares of Class A common stock and 52,450 derivative securities. The filing notes that the sale was made under a Rule 10b5-1 trading plan adopted on January 15, 2025.

Insider Trade Summary

Net Seller: 3,500 shares ($243,121)

Net Sell 6 txns

Insider Choudary Kiran Kumar

Role Chief Financial Officer

Sold 3,500 shs ($243K)

Type	Security	Shares	Price	Value
Exercise	Stock Option (Right to Buy)	2,000	$0.00	--
Exercise	Class B Common Stock	2,000	$0.00	--
Conversion	Class B Common Stock	2,000	$0.00	--
Conversion	Class A Common Stock	2,000	$0.00	--
Sale	Class A Common Stock	1,900	$68.91	$131K
Sale	Class A Common Stock	1,600	$70.12	$112K

Holdings After Transaction: Stock Option (Right to Buy) — 52,450 shares (Direct); Class B Common Stock — 2,000 shares (Direct); Class A Common Stock — 512,551 shares (Direct)

Footnotes (1)

1. This sale reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan, adopted January 15, 2025. The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $68.78 to $69.72 per share, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities Exchange Commission, upon request, full information regarding the number of shares sold at each separated price within the range set forth in this footnote. The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $69.82 to $70.62 per share, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities Exchange Commission, upon request, full information regarding the number of shares sold at each separated price within the range set forth in this footnote. 1/4 of the shares subject to the option vested on August 20, 2019, and 1/48 of the shares vested monthly thereafter. Each share of Class B Common Stock held by the Reporting Person will automatically convert into one share of Class A Common Stock upon the sale or transfer of such share of Class B Common Stock, subject to certain exceptions, and in certain other circumstances described in the Issuer's amended and restated certificate of incorporation. Each share of Class B Common Stock will also be convertible at any time at the option of the Reporting Person into one share of Class A Common Stock.

Form 4 Insider Transactions: What Each Field Means →

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^*

Choudary Kiran Kumar

(Last) (First) (Middle)

C/O RUBRIK INC.

3495 DEER CREEK ROAD

(Street)

PALO ALTO CA 94304

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
Rubrik, Inc. [ RBRK ]

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

3. Date of Earliest Transaction (Month/Day/Year)
11/19/2025

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

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

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

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	11/19/2025		C		2,000	A	$0	512,551	D
Class A Common Stock	11/19/2025		S(1)		1,900	D	$68.91(2)	510,651	D
Class A Common Stock	11/19/2025		S(1)		1,600	D	$70.12(3)	509,051	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
Stock Option (Right to Buy)	$7.99	11/19/2025		M			2,000	(4)	09/17/2028	Class B Common Stock	2,000	$0	52,450	D
Class B Common Stock	(5)	11/19/2025		M		2,000		(5)	(5)	Class A Common Stock	2,000	$0	2,000	D
Class B Common Stock	(5)	11/19/2025		C			2,000	(5)	(5)	Class A Common Stock	2,000	$0	0	D

Explanation of Responses:

1. This sale reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan, adopted January 15, 2025.

2. The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $68.78 to $69.72 per share, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities Exchange Commission, upon request, full information regarding the number of shares sold at each separated price within the range set forth in this footnote.

3. The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $69.82 to $70.62 per share, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities Exchange Commission, upon request, full information regarding the number of shares sold at each separated price within the range set forth in this footnote.

4. 1/4 of the shares subject to the option vested on August 20, 2019, and 1/48 of the shares vested monthly thereafter.

5. Each share of Class B Common Stock held by the Reporting Person will automatically convert into one share of Class A Common Stock upon the sale or transfer of such share of Class B Common Stock, subject to certain exceptions, and in certain other circumstances described in the Issuer's amended and restated certificate of incorporation. Each share of Class B Common Stock will also be convertible at any time at the option of the Reporting Person into one share of Class A Common Stock.

	/s/ Anne-Kathrin Lalendran, Attorney-in-Fact	11/20/2025
	** 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.

FAQ

What did Rubrik (RBRK)'s CFO report on this Form 4?

The CFO reported exercising a stock option for 2,000 shares of Class B common stock, converting them into 2,000 shares of Class A common stock, and selling a total of 3,500 Class A shares on 11/19/2025.

How many Rubrik (RBRK) shares did the CFO sell and at what prices?

The CFO sold 1,900 Class A shares at a weighted average price of $68.91 per share and 1,600 Class A shares at a weighted average price of $70.12 per share on 11/19/2025.

How many Rubrik (RBRK) shares does the CFO own after the reported transactions?

Following the reported transactions, the CFO beneficially owned 509,051 shares of Class A common stock and 52,450 derivative securities.

Were the Rubrik (RBRK) stock sales made under a Rule 10b5-1 plan?

Yes. The filing states that the sale reported was effected pursuant to a Rule 10b5-1 trading plan adopted on January 15, 2025.

What is the exercise price and vesting schedule of the reported Rubrik (RBRK) stock option?

The reported stock option has an exercise price of $7.99 per share. 1/4 of the shares vested on August 20, 2019, and 1/48 of the shares vested monthly thereafter.

How do Rubrik (RBRK) Class B shares convert into Class A shares for the CFO?

Each share of Class B common stock automatically converts into one share of Class A common stock upon sale or transfer (subject to certain exceptions) and is also convertible at any time at the CFO's option into one Class A share.