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
154,960,292 shares
Disclosed Ownership
13,791,466 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

Quoteable Key Fact

"Bipul Sinha disclosed 8.9% ownership in RUBRIK, INC. Class A Common Stock (RBRK) on 12 Sep 2025."

Quick Takeaways

  • Bipul Sinha filed SCHEDULE 13D/A for RUBRIK, INC. Class A Common Stock (RBRK).
  • Disclosed ownership: 8.9%.
  • Date of event: 12 Sep 2025.

What Changed

  • Previous schedule filing date: 01 Apr 2025.
  • Current filing was accepted on 12 Sep 2025, 19:18.

Why This Matters

  • This page explains what this Schedule 13D/13G filing tells you before manager-level rows.
  • You can verify ownership claims directly against the original SEC filing.

Source Evidence

Backed by Schedule 13D/13G

Beneficial ownership values are sourced from the original SEC Schedule 13D/13G filing.

See Original Filing

Reporting Managers (1)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
Bipul Sinha 8.9% 13,791,466 13,791,466 0 /s/ Bipul Sinha Bipul Sinha 0001685768