Rubrik, Inc. · Conversion · Class A Common Stock

What does this filing report?

An SEC Form 4 filing for Rubrik, Inc. records a conversion involving Class A Common Stock on October 6, 2026. The reported quantity was 12,820. The filing date is October 7, 2026. This is one transaction record; amounts are not allocated among any joint reporting owners.

The acquisition category describes how securities were received. It does not by itself establish a cash purchase of common stock. Read the transaction code definitionsand the original filing before interpreting the amounts.

Filing footnotes & remarks

F1

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

F2

The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $118.48 to $119.47 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.

F3

The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $120.065 to $120.425 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.

F4

The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $120.54 to $121.4775 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.

F5

The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $121.49 to $122.45 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.

F6

The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $122.48 to $123.475 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.

F7

The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $123.49 to $124.17 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.

F8

The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $124.655 to $125.61 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.

F9

The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $125.675 to $126.645 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.

F10

The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $126.655 to $127.445 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.

F11

The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $127.69 to $127.70 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.

F12

The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $122.565 to $123.55 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.

F13

The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $123.565 to $124.56 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.

F14

The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $124.5725 to $125.535 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.

F15

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 and has no expiration date.

F16

The shares are held of record by Arvind Nithrakashyap, as Trustee of the Nithrakashyap/Chatterjee Revocable Trust, for which the Reporting Person serves as trustee and shares voting and dispositive power with his spouse.

Footnotes are reproduced as plain text from the current source filing. For the full context, read the original SEC filing.