# EDGAR Filing Document

**Accession Number:** 0001685768
**File Stem:** 0001415889-25-024461
**Filing Date:** 2025-9
**Character Count:** 6432
**Document Hash:** 4b756e026211dd4a81ba03a642c14a61
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001415889-25-024461.hdr.sgml**: 20250912

**ACCESSION NUMBER**: 0001415889-25-024461

**CONFORMED SUBMISSION TYPE**: SCHEDULE 13D/A

**PUBLIC DOCUMENT COUNT**: 1

**FILED AS OF DATE**: 20250912

**DATE AS OF CHANGE**: 20250912

**SUBJECT COMPANY**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Rubrik, Inc.
- **CENTRAL INDEX KEY:** 0001943896
- **STANDARD INDUSTRIAL CLASSIFICATION:** SERVICES-PREPACKAGED SOFTWARE [7372]
- **ORGANIZATION NAME:** 06 Technology
- **EIN:** 464560494
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 0131

**FILING VALUES:**
- **FORM TYPE:** SCHEDULE 13D/A
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 005-94510
- **FILM NUMBER:** 251312801

**BUSINESS ADDRESS:**
- **STREET 1:** 3495 DEER CREEK ROAD
- **CITY:** PALO ALTO
- **STATE:** CA
- **ZIP:** 94304
- **BUSINESS PHONE:** 8444782745

**MAIL ADDRESS:**
- **STREET 1:** 3495 DEER CREEK ROAD
- **CITY:** PALO ALTO
- **STATE:** CA
- **ZIP:** 94304
**FILED BY**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Sinha Bipul
- **CENTRAL INDEX KEY:** 0001685768

**ORGANIZATION NAME:**

**FILING VALUES:**
- **FORM TYPE:** SCHEDULE 13D/A

**MAIL ADDRESS:**
- **STREET 1:** 3495 DEER CREEK ROAD
- **CITY:** PALO ALTO
- **STATE:** CA
- **ZIP:** 94304

### UNITED STATES SECURITIES AND EXCHANGE COMMISSION
**Washington, D.C. 20549**

## SCHEDULE 13D

### Under the Securities Exchange Act of 1934

**(Amendment No. 1)**

**RUBRIK, INC.**

*(Name of Issuer)*

**Class A Common Stock**

*(Title of Class of Securities)*

**781154109**

*(CUSIP Number)*

**Anne-Kathrin Lalendran**<br>c/o Rubrik Inc.<br>3495 Deer Creek Road<br>Palo Alto CA 94304<br>884-478-2745

*(Name, Address and Telephone Number of Person Authorized to Receive Notices and Communications)*

**09/12/2025**

*(Date of Event Which Requires Filing of this Statement)*

| **CUSIP No.** | **781154109** |

---

| | | | |
|:--|:--|:--|:--|
| 1 | Name of reporting person<br>**Bipul Sinha** | Name of reporting person<br>**Bipul Sinha** | |
| 2 | Check the appropriate box if a member of a Group (See Instructions)<br>[x] (a)<br>[ ] (b) | Check the appropriate box if a member of a Group (See Instructions)<br>[x] (a)<br>[ ] (b) | |
| 3 | SEC use only | SEC use only | |
| 4 | Source of funds (See Instructions)<br>**PF** | Source of funds (See Instructions)<br>**PF** | |
| 5 | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | |
| 6 | Citizenship or place of organization<br>**X1** | Citizenship or place of organization<br>**X1** | |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 7 | Sole Voting Power<br>**13791466.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 8 | Shared Voting Power<br>**0.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 9 | Sole Dispositive Power<br>**13791466.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 10 | Shared Dispositive Power<br>**0.00** |
| 11 | Aggregate amount beneficially owned by each reporting person<br>**13791466.00** | Aggregate amount beneficially owned by each reporting person<br>**13791466.00** | |
| 12 | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[ ] | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[ ] | |
| 13 | Percent of class represented by amount in Row (11)<br>**8.9%** | Percent of class represented by amount in Row (11)<br>**8.9%** | |
| 14 | Type of Reporting Person (See Instructions)<br>**IN** | Type of Reporting Person (See Instructions)<br>**IN** | |

---

**Item 1. Security and Issuer**

**(a) Title of Class of Securities:**
Class A Common Stock

**(b) Name of Issuer:**
RUBRIK, INC.

**(c) Address of Issuer's Principal Executive Offices:**
3495 Deer Creek Road, Palo Alto, CA, 94304

This Amendment No. 1 ("Amendment No. 1") to Schedule 13D relates to the shares of Class A common stock, $0.00001 par value per share (the "Class A Common Stock"), of Rubrik, Inc., a Delaware corporation (the "Issuer"), and amends and supplements the initial statement on Schedule 13D filed by Bipul Sinha (the "Reporting Person") with the Securities and Exchange Commission on April 1, 2025,   Unless otherwise defined herein, capitalized terms used in this Amendment No. 1 shall have the meanings ascribed to them in the Schedule 13D. Unless amended or supplemented below, the information in the Schedule 13D remains unchanged.

**Item 5. Interest in Securities of the Issuer**

**(a)**
Rows 11 and 13 of the Reporting Person's cover page to this Schedule 13D set forth the aggregate number of shares of Class A Common Stock and percentages of the shares of Class A Common Stock beneficially owned by the Reporting Person and are incorporated herein by referenced.  The percentage set forth in row 13 is based upon 142,085,609 shares of the Issuer's Class A Common Stock outstanding as of August 31, 2025, as reported in the Issuer's Form 10-Q filed the SEC on September 10, 2025.

The Reporting Person's ownership of the Issuer's securities includes 2,499,975 shares issuable within 60 days of the date of this report, upon the exercise of stock options held by the Reporting Person.

**(b)**
Rows 7 through 10 of the Reporting Person's cover page to this Schedule 13D set forth the number of shares of Class A Common Stock as to which such Reporting Person has the sole or shared power to vote or direct the vote and sole or shared power to dispose or to direct the disposition and are incorporated by reference.

**(c)**
Except as set forth below, the Reporting Person has not effected any transactions in the Class A Common Stock during the past sixty days:

Sale of Class A Common Stock:

On September 12, 2025, the Reporting Person sold 615,807 shares of the Issuer's Class A Common Stock.

Gift of Shares:

On September 12, 2025, the Reporting Person gifted 150,000 shares of the Issuer's Class A Common Stock.

### SIGNATURE

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

**Reporting Person:** Bipul Sinha

**Signature:** /s/ Bipul Sinha

**Name/Title:** Bipul Sinha

**Date:** 09/12/2025