Bipul Sinha - Sep 12, 2025 SCHEDULE 13D/A Report for RUBRIK, INC. Class A Common Stock (RBRK)

Filing Manager
Bipul Sinha
Reporting Manager
Bipul Sinha
Symbol
RBRK
Shares outstanding
155M shares
Disclosed Ownership
13.8M shares
Ownership
8.9%
Form type
SCHEDULE 13D/A
Date filed
9/12/2025, 07:18 PM
Date of event
Sep 12, 2025
Previous filing
Apr 1, 2025

Reporting Managers (1)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
Bipul Sinha 8.9% 13.8M 13.8M 0 /s/ Bipul Sinha Bipul Sinha 0001685768