| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Nithrakashyap Arvind | Chief Technology Officer, Director | C/O RUBRIK INC., 3495 DEER CREEK ROAD, PALO ALTO | /s/ Larry Guo, Attorney-in-Fact | 2025-09-18 | 0002019143 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | RBRK | Class A Common Stock | Conversion of derivative security | $0 | +40.6K | +12.2% | $0.00 | 374K | Sep 16, 2025 | Direct | |
| transaction | RBRK | Class A Common Stock | Sale | -$2.98M | -40.2K | -10.75% | $74.21 | 334K | Sep 16, 2025 | Direct | F1 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Underlying Class | Amount | Exercise Price | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | RBRK | Restricted Stock Unit | Options Exercise | $0 | -40.6K | -33.33% | $0.00 | 81.3K | Sep 16, 2025 | Class B Common Stock | 40.6K | Direct | F2, F3 | |
| transaction | RBRK | Class B Common Stock | Options Exercise | $0 | +40.6K | +0.39% | $0.00 | 10.4M | Sep 16, 2025 | Class A Common Stock | 40.6K | Direct | F4 | |
| transaction | RBRK | Class B Common Stock | Conversion of derivative security | $0 | -40.6K | -0.39% | $0.00 | 10.3M | Sep 16, 2025 | Class A Common Stock | 40.6K | Direct | F4 | |
| holding | RBRK | Class B Common Stock | 200K | Sep 16, 2025 | Class A Common Stock | 200K | By Arvind Nithrakashyap, as Trustee of the Nithrakashyap/Chatterjee Revocable Trust | F4, F5 |
| Id | Content |
|---|---|
| F1 | 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). |
| F2 | Each RSU represents a contingent right to receive one share of Class B Common Stock. |
| F3 | The shares of Class B Common Stock are to be acquired upon the vesting of an RSU award previously granted to the Reporting Person. The RSUs shall vest as follows: 1/16 of the shares subject to the RSU vest in sixteen equal quarterly installments measured from January 27, 2022 and the Issuer's achievement of a specified average price per share prior to the earlier of (i) the five year anniversary of the effectiveness of the registration statement on Form S-1 filed by the Issuer in connection with the Issuer's initial public offering and (ii) the expiration of the RSU award, 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) as a full time employee of the Issuer on each such date. |
| F4 | 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. |
| F5 | 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. |