Thomas M. Siebel - 30 Sep 2025 SCHEDULE 13G/A Report for C3.AI, INC. Class A Common Stock, $0.001 par value per share (AI)

Filing Manager
Thomas M. Siebel
Reporting Manager
THOMAS M SIEBEL
Security
C3.AI, INC. Class A Common Stock, $0.001 par value per share
Symbol
AI
Shares outstanding
159,117,372 shares
Disclosed Ownership
27,368,188 shares
Ownership
17%
Form type
SCHEDULE 13G/A
Filing time
14 Nov 2025, 18:06:12 UTC
Date of event
30 Sep 2025
Previous filing
14 Aug 2025
SEC
View on sec.gov

Quoteable Key Fact

"Thomas M. Siebel disclosed 17% ownership in C3.AI, INC. Class A Common Stock, $0.001 par value per share (AI) on 30 Sep 2025."

Quick Takeaways

  • Thomas M. Siebel filed SCHEDULE 13G/A for C3.AI, INC. Class A Common Stock, $0.001 par value per share (AI).
  • Disclosed ownership: 17%.
  • Date of event: 30 Sep 2025.

What Changed

  • Previous schedule filing date: 14 Aug 2025.
  • Current filing was accepted on 14 Nov 2025, 18:06.

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 (6)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
THOMAS M SIEBEL 17% 27,368,188 27,368,188 0 /s/ Thomas M. Siebel Thomas M. Siebel
The Siebel Living Trust u/a/d 7/27/93, as amended 3.3% 4,582,922 4,582,922 0 /s/ Thomas M. Siebel By: Thomas M. Siebel, Trustee of The Siebel Living Trust u/a/d 7/27/93, as amended
Siebel Asset Management, L.P. 0.1% 170,294 170,294 0 /s/ Thomas M. Siebel By: Thomas M. Siebel, Trustee of The Siebel Living Trust u/a/d 7/27/93, as amended
Siebel Asset Management III, L.P. 0.1% 72,695 72,695 0 /s/ Thomas M. Siebel By: Thomas M. Siebel, Trustee of The Siebel Living Trust u/a/d 7/27/93, as amended
First Virtual Holdings, LLC 0.4% 509,216 509,216 0 /s/ Thomas M. Siebel By: Thomas M. Siebel, Chairman
The Siebel 2011 Irrevocable Children's Trust 0.9% 1,237,115 1,237,115 0 /s/ Thomas M. Siebel By: Thomas M. Siebel, Co-Trustee