Insider Trading & Ownership of Thomas M. Siebel

Location
Redwood City, CA
Summary
The estimated net worth of Thomas M. Siebel is at least $21,923,022 dollars as of 15 Apr 2026. Thomas M. Siebel is the Executive Chairman, Director, 10%+ Owner of C3.ai, Inc. and owns shares of C3.ai, Inc. (AI) stock worth about $21.92M.
Signature
/s/ Sasha Pesic, Attorney-in-Fact
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Quick Takeaways

  • Thomas M. Siebel has 1 issuer position tracked on this page.
  • Estimated disclosed ownership value: $21,923,022.
  • Recent insider filing activity is available below.

What Changed

  • Largest disclosed position: C3.ai, Inc. ($21,923,022).
  • Past-year value change for that position: -$126,196,259.

Why This Matters

  • This page translates Forms 3/4/5 into a quick ownership context before you inspect each transaction row.
  • You can cross-check role, issuer, and filing chronology directly against the SEC source.

Source Evidence

Filed on Form 4

Insider ownership context is sourced from SEC Forms 3, 4, and 5.

See Original Filing

Ownership of Thomas M. Siebel

Symbol Company Relationship Holdings Value Past Year Net Change Change % Report Period
AI C3.ai, Inc. Executive Chairman, Director, 10%+ Owner $21,923,022 -$126,196,259 -85% 13 Apr 2026

Insider Transactions Reported by Thomas M. Siebel:

Sym Company Class Transaction % Value $ * Price $ Shares Shares After Date Ownership
* An asterisk sign (*) next to the price indicates that the price is likely invalid.