Rubrik (NYSE: RBRK) CFO settles RSUs and makes tax-related share sale

Rhea-AI Filing Summary

Rubrik, Inc.’s Chief Financial Officer, Choudary Kiran Kumar, reported several equity transactions dated March 24, 2026. He exercised or settled derivative awards, including restricted stock units and Class B Common Stock, covering an aggregate of 636,564 underlying shares at an exercise price of $0.00 per share.

These included RSUs tied to Class B Common Stock and a conversion of 212,188 shares of Class B into 212,188 shares of Class A Common Stock. He then sold 122,613 shares of Class A Common Stock at an average price of $48.1957 per share.

According to the footnotes, this sale was executed under Rubrik’s mandatory sell-to-cover policy to satisfy tax obligations arising from RSU vesting and settlement, rather than a discretionary sale. Following the transactions, he holds 564,901 shares of Class A Common Stock directly, with 200,000 and 192,500 RSUs from separate grants remaining outstanding and subject to multi-year vesting schedules.

Insider Trade Summary

Net Seller: 122,613 shares ($5,909,419)

Net Sell 7 txns

Insider Choudary Kiran Kumar

Role Chief Financial Officer

Sold 122,613 shs ($5.91M)

Type	Security	Shares	Price	Value
Exercise	Restricted Stock Units	7,188	$0.00	--
Exercise	Restricted Stock Units	150,000	$0.00	--
Exercise	Restricted Stock Units	55,000	$0.00	--
Exercise	Class B Common Stock	212,188	$0.00	--
Conversion	Class B Common Stock	212,188	$0.00	--
Conversion	Class A Common Stock	212,188	$0.00	--
Sale	Class A Common Stock	122,613	$48.1957	$5.91M

Holdings After Transaction: Restricted Stock Units — 0 shares (Direct); Class B Common Stock — 212,188 shares (Direct); Class A Common Stock — 687,514 shares (Direct)

Footnotes (1)

1. Includes 367 shares purchased through the Issuer's employee stock purchase plan on March 20, 2026. This sale reported on this Form 4 was effected pursuant to the Issuer's policy requiring sell-to-cover to satisfy certain tax obligations of the Reporting Person incurred with the vesting and settlement of certain Restricted Stock Units (RSUs). Each RSU represents a contingent right to receive one share of Class B Common Stock. The RSUs shall vest as follows: 1/16 of the shares subject to the RSU vested on June 15, 2022, and 1/16 of the shares subject to the RSU vest every quarter thereafter, and a liquidity event-based vesting condition which was satisfied upon the effectiveness of the registration statement on Form S-1 filed by the Issuer in connection with the Issuer's initial public offering, all subject to the Reporting Person continuing to have a Service Relationship (as defined in the Issuer's Amended and Restated 2014 Stock Option and Grant Plan). The RSUs shall vest as follows: 75,000 shares subject to the RSU vested on March 15, 2024, 125,000 shares subject to the RSU vest on March 15, 2025, 150,000 shares vest on March 15, 2026, and 200,000 shares vest on March 15, 2027, and a liquidity event-based vesting condition which was satisfied upon the effectiveness of the registration statement on Form S-1 filed by the Issuer in connection with the Issuer's initial public offering, all subject to the Reporting Person continuing to have a Service Relationship (as defined in the Issuer's Amended and Restated 2014 Stock Option and Grant Plan). The RSUs shall vest as follows: 10% of the shares subject to the RSU vest on March 15, 2025, 20% of the shares subject to the RSU vest on March 15, 2026, 35% of the shares subject to the RSU vest on March 15, 2027, and 35% of the shares subject to the RSU vest on March 15, 2028, and a liquidity event-based vesting condition which was satisfied upon the effectiveness of the registration statement on Form S-1 filed by the Issuer in connection with the Issuer's initial public offering, all subject to the Reporting Person continuing to have a Service Relationship (as defined in the Issuer's Amended and Restated 2014 Stock Option and Grant Plan). 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
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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^*

Choudary Kiran Kumar

(Last) (First) (Middle)

C/O RUBRIK INC.

3495 DEER CREEK ROAD

(Street)

PALO ALTO CALIFORNIA 94304

(City) (State) (Zip)

UNITED STATES

(Country)

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
03/24/2026

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	03/24/2026		C		212,188	A	$0	687,514(1)	D
Class A Common Stock	03/24/2026		S		122,613(2)	D	$48.1957	564,901(1)	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
Restricted Stock Units	(3)	03/24/2026		M			7,188	(4)	04/13/2029	Class B Common Stock	7,188	$0	0	D
Restricted Stock Units	(3)	03/24/2026		M			150,000	(5)	03/24/2030	Class B Common Stock	150,000	$0	200,000	D
Restricted Stock Units	(3)	03/24/2026		M			55,000	(6)	03/25/2031	Class B Common Stock	55,000	$0	192,500	D
Class B Common Stock	(7)	03/24/2026		M		212,188		(7)	(7)	Class A Common Stock	212,188	(7)	212,188	D
Class B Common Stock	(7)	03/24/2026		C			212,188	(7)	(7)	Class A Common Stock	212,188	(7)	0	D

Explanation of Responses:

1. Includes 367 shares purchased through the Issuer's employee stock purchase plan on March 20, 2026.

2. This sale reported on this Form 4 was effected pursuant to the Issuer's policy requiring sell-to-cover to satisfy certain tax obligations of the Reporting Person incurred with the vesting and settlement of certain Restricted Stock Units (RSUs).

3. Each RSU represents a contingent right to receive one share of Class B Common Stock.

4. The RSUs shall vest as follows: 1/16 of the shares subject to the RSU vested on June 15, 2022, and 1/16 of the shares subject to the RSU vest every quarter thereafter, and a liquidity event-based vesting condition which was satisfied upon the effectiveness of the registration statement on Form S-1 filed by the Issuer in connection with the Issuer's initial public offering, all subject to the Reporting Person continuing to have a Service Relationship (as defined in the Issuer's Amended and Restated 2014 Stock Option and Grant Plan).

5. The RSUs shall vest as follows: 75,000 shares subject to the RSU vested on March 15, 2024, 125,000 shares subject to the RSU vest on March 15, 2025, 150,000 shares vest on March 15, 2026, and 200,000 shares vest on March 15, 2027, and a liquidity event-based vesting condition which was satisfied upon the effectiveness of the registration statement on Form S-1 filed by the Issuer in connection with the Issuer's initial public offering, all subject to the Reporting Person continuing to have a Service Relationship (as defined in the Issuer's Amended and Restated 2014 Stock Option and Grant Plan).

6. The RSUs shall vest as follows: 10% of the shares subject to the RSU vest on March 15, 2025, 20% of the shares subject to the RSU vest on March 15, 2026, 35% of the shares subject to the RSU vest on March 15, 2027, and 35% of the shares subject to the RSU vest on March 15, 2028, and a liquidity event-based vesting condition which was satisfied upon the effectiveness of the registration statement on Form S-1 filed by the Issuer in connection with the Issuer's initial public offering, all subject to the Reporting Person continuing to have a Service Relationship (as defined in the Issuer's Amended and Restated 2014 Stock Option and Grant Plan).

7. 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/ Larry Guo, Attorney-in-Fact	03/26/2026
	** 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.
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* Form 4: SEC 1474 (03-26)

FAQ

What insider transactions did Rubrik (RBRK) CFO Choudary Kiran Kumar report?

Rubrik CFO Choudary Kiran Kumar reported exercising or settling derivative awards over 636,564 underlying shares and converting 212,188 Class B shares into Class A. He also reported one sale of 122,613 Class A shares, all dated March 24, 2026, in this Form 4 filing.

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

The Rubrik CFO sold 122,613 shares of Class A Common Stock at an average price of $48.1957 per share. This transaction followed the conversion of Class B into Class A shares and was reported as an open-market or private sale in the Form 4.

Was the Rubrik (RBRK) CFO’s share sale a discretionary trade or tax-related?

The sale was tax-related. Footnotes explain the 122,613-share sale was made under Rubrik’s policy requiring sell-to-cover transactions to satisfy tax obligations incurred from the vesting and settlement of restricted stock units, rather than a discretionary liquidation of holdings.

How many Rubrik (RBRK) shares does the CFO hold after these transactions?

After the reported transactions, the Rubrik CFO directly holds 564,901 shares of Class A Common Stock. This figure reflects his position following the RSU settlements, the conversion of Class B shares into Class A, and the tax-related sale of 122,613 Class A shares.

What restricted stock unit grants remain for the Rubrik (RBRK) CFO and how do they vest?

Following these events, one RSU award shows 200,000 shares and another 192,500 shares remaining outstanding. Footnotes describe multi-year vesting schedules, with portions vesting annually through March 15, 2027 and March 15, 2028, contingent on continued service and a previously satisfied liquidity condition.

What derivative exercises or conversions did the Rubrik (RBRK) CFO complete?

He exercised or settled restricted stock units and other derivative positions over 636,564 underlying shares at an exercise price of $0.00 per share. This included converting 212,188 Class B shares into 212,188 Class A shares, consistent with the dual-class conversion terms described in the footnotes.