Thomas M. Siebel - 31 Mar 2026 SCHEDULE 13G/A Report for C3.ai, Inc. Class A Common Stock, $0.001 par value per share (AI)

Quoteable Key Fact

"Thomas M. Siebel disclosed 15% ownership in C3.ai, Inc. Class A Common Stock, $0.001 par value per share (AI) on 31 Mar 2026."

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: 15%.
Date of event: 31 Mar 2026.

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.

Backed by Schedule 13D/13G

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

Name	Ownership	Shares Owned	sole voting power	Signature	Title
Thomas M Siebel	15%	25,556,651	25,556,651	/s/ Thomas M. Siebel	Thomas M. Siebel
The Siebel Living Trust u/a/d 7/27/93, as amended	1.9%	2,767,008	2,767,008	/s/ Thomas M. Siebel	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	/s/ Thomas M. Siebel	Thomas M. Siebel, General Partner
Siebel Asset Management III, L.P.	0.1%	72,695	72,695	/s/ Thomas M. Siebel	Thomas M. Siebel, General Partner
First Virtual Holdings, LLC	0.4%	509,216	509,216	/s/ Thomas M. Siebel	Thomas M. Siebel, Chairman
The Siebel 2011 Irrevocable Children's Trust	0.9%	1,237,115	1,237,115	/s/ Thomas M. Siebel	Thomas M. Siebel, Trustee of The Siebel 2011 Irrevocable Children's Trust