Kiran Kumar Choudary - 24 Mar 2026 Form 4 Insider Report for Rubrik, Inc. (RBRK)

Reporting relationship: Chief Financial Officer
Issuer ticker: RBRK
Reported as of: 24 Mar 2026
Net transaction value: -$5,909,419
SEC form: 4
Accepted by SEC: 26 Mar 2026, 19:30:06 UTC
Prior SEC filing: 19 Feb 2026
Next SEC filing: 08 Apr 2026
Source filing: View source filing
Reporting owner signature: /s/ Larry Guo, Attorney-in-Fact

Key filing fact

Kiran Kumar Choudary filed Form 4 for Rubrik, Inc. (RBRK) on 26 Mar 2026.

Key facts

This page summarizes Kiran Kumar Choudary's Form 4 filing for Rubrik, Inc. (RBRK).
7 reported transactions and 5 derivative rows are listed below.
Accepted by SEC: 26 Mar 2026, 19:30.

Change

Previous filing in this sequence was filed on 19 Feb 2026.
Current net transaction value: -$5,909,419.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0002020220 Primary reporting owner

Choudary Kiran Kumar

Relationship: Chief Financial Officer
Address: C/O RUBRIK INC., 3495 DEER CREEK ROAD, PALO ALTO
Signature: /s/ Larry Guo, Attorney-in-Fact
Signature date: 26 Mar 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

RBRK transaction

Class A Common Stock

Conversion of derivative security

Transaction value
Shares: +212,188
Change %: +45%
Price: $0.000000^*
Shares after: 687,514
Date: 24 Mar 2026
Ownership: Direct
Footnotes: F1

RBRK transaction

Class A Common Stock

Sale

Transaction value: $5,909,419
Shares: -122,613
Change %: -18%
Price: $48.20
Shares after: 564,901
Date: 24 Mar 2026
Ownership: Direct
Footnotes: F1, F2

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

RBRK transaction Derivative

Restricted Stock Units

Options Exercise

Transaction value
Shares: -7,188
Change %: -100%
Price: $0.000000^*
Shares after: 0
Date: 24 Mar 2026
Ownership: Direct
Underlying class: Class B Common Stock
Underlying amount: 7,188
Exercise price
Footnotes: F3, F4

RBRK transaction Derivative

Restricted Stock Units

Options Exercise

Transaction value
Shares: -150,000
Change %: -43%
Price: $0.000000^*
Shares after: 200,000
Date: 24 Mar 2026
Ownership: Direct
Underlying class: Class B Common Stock
Underlying amount: 150,000
Exercise price
Footnotes: F3, F5

RBRK transaction Derivative

Restricted Stock Units

Options Exercise

Transaction value
Shares: -55,000
Change %: -22%
Price: $0.000000^*
Shares after: 192,500
Date: 24 Mar 2026
Ownership: Direct
Underlying class: Class B Common Stock
Underlying amount: 55,000
Exercise price
Footnotes: F3, F6

RBRK transaction Derivative

Class B Common Stock

Options Exercise

Transaction value
Shares: +212,188
Change %
Price
Shares after: 212,188
Date: 24 Mar 2026
Ownership: Direct
Underlying class: Class A Common Stock
Underlying amount: 212,188
Exercise price
Footnotes: F7

RBRK transaction Derivative

Class B Common Stock

Conversion of derivative security

Transaction value
Shares: -212,188
Change %: -100%
Price
Shares after: 0
Date: 24 Mar 2026
Ownership: Direct
Underlying class: Class A Common Stock
Underlying amount: 212,188
Exercise price
Footnotes: F7

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 7 footnotes

Footnote F1

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

Footnote F2

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).

Footnote F3

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

Footnote F4

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).

Footnote F5

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).

Footnote F6

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).

Footnote F7

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.