Bipul Sinha - 12 Sep 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
Filing time
12 Sep 2025, 19:18:49 UTC
Date of event
12 Sep 2025
Previous filing
01 Apr 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