Rubrik, Inc. — Director's Dealing 2026

Jan 16, 2026

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Rubrik, Inc. (RBRK)
CIK: 0001943896
Period of Report: 2026-01-14

Reporting Person: THOMPSON JOHN WENDELL (N/A)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2026-01-14	Class A Common Stock	C	27500	—	Acquired	28498	Indirect
2026-01-15	Class A Common Stock	A	953	—	Disposed	3655	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2026-01-14	Class B Common Stock	$	C	27500	Disposed		Class A Common Stock (27500)	Indirect

Holdings (Derivative)

Security	Exercise Price	Expiration	Underlying	Shares	Ownership
Class B Common Stock	$		Class A Common Stock (50001)	50001	Direct

Footnotes

F1: The shares are held of record by John and Sandra Thompson Trust, for which the Reporting Person serves as a co-trustee and shares voting and dispositive power with his spouse.

F2: Represents the grant of restricted stock units that are fully vested as of the date of grant.

F3: 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.