Bipul Sinha - 12 Sep 2025 Form 4 Insider Report for Rubrik, Inc. (RBRK)

Reporting relationship: Chairman of the Board and CEO, Director, 10%+ Owner
Issuer ticker: RBRK
Reported as of: 12 Sep 2025
Net transaction value: -$46,573,483
SEC form: 4
Accepted by SEC: 12 Sep 2025, 19:17:19 UTC
Prior SEC filing: 13 Dec 2024
Source filing: View source filing
Reporting owner signature: /s/ Larry Guo, Attorney-in-Fact

Key filing fact

Bipul Sinha filed Form 4 for Rubrik, Inc. (RBRK) on 12 Sep 2025.

Key facts

This page summarizes Bipul Sinha's Form 4 filing for Rubrik, Inc. (RBRK).
4 reported transactions and 1 derivative row are listed below.
Accepted by SEC: 12 Sep 2025, 19:17.

Change

Previous filing in this sequence was filed on 13 Dec 2024.
Current net transaction value: -$46,573,483.

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 0001685768 Primary reporting owner

Sinha Bipul

Relationship: Chairman of the Board and CEO, Director, 10%+ Owner
Address: C/O RUBRIK, INC., 3495 DEER CREEK ROAD, PALO ALTO
Signature: /s/ Larry Guo, Attorney-in-Fact
Signature date: 12 Sep 2025

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: +765,807
Change %: +1352%
Price
Shares after: 822,459
Date: 12 Sep 2025
Ownership: Direct
Footnotes: F1

RBRK transaction

Class A Common Stock

Sale

Transaction value: $46,573,483
Shares: -615,807
Change %: -75%
Price: $75.63
Shares after: 206,652
Date: 12 Sep 2025
Ownership: Direct

RBRK transaction

Class A Common Stock

Gift

Transaction value: $0
Shares: -150,000
Change %: -73%
Price: $0.000000
Shares after: 56,652
Date: 12 Sep 2025
Ownership: Direct

Reported derivative securities

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

RBRK transaction Derivative

Class B Common Stock

Conversion of derivative security

Transaction value: $0
Shares: -765,807
Change %: -6.4%
Price: $0.000000
Shares after: 11,234,839
Date: 12 Sep 2025
Ownership: Direct
Underlying class: Class A Common Stock
Underlying amount: 765,807
Exercise price
Footnotes: F1

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

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 1 footnote

Footnote F1

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 is also convertible at any time at the option of the Reporting Person into one share of Class A Common Stock.