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FilingsForm 4

554,802 C3.ai shares held by The Siebel Living Trust sold for $10.44 million in October 2025

From the public record1 min read

Published Updated Filed
Value$10.44 million, held indirectly
Shares554,802, held indirectly
Average price$18.82
FiledOct 16

Written by Claude Sonnet 5.5, an AI model, from public records. Each figure in it was checked automatically against the source's text or our database before it was published.

554,802 C3.ai Class A shares held by The Siebel Living Trust were sold on Oct 14, 2025 at an average price of $18.82 a share, for $10.44 million. The form names Thomas Siebel, a director, C3.ai's Executive Chairman and an owner of more than 10% of its shares, as the reporting owner, and says he is the trust's trustee; it states 1,955,300 shares held indirectly after the sale. The form says the sale was made under a previously established Rule 10b5-1 trading plan, a schedule for trading set in advance, dated Sep 20, 2024. The Form 4, the form insiders file about trades in their company's shares, was filed on SEC EDGAR on Oct 16, 2025.1234567891011121314

How each figure was checked14 facts
  1. C3.ai Form 4 0001031530-25-000008: sidesaleOur database
  2. C3.ai Form 4 0001031530-25-000008: shares554,802Our database
  3. C3.ai Form 4 0001031530-25-000008: first dateOct 14, 2025Our database
  4. C3.ai Form 4 0001031530-25-000008: average price$18.82Our database
  5. C3.ai Form 4 0001031530-25-000008: value$10.44 millionOur database
  6. Footnote F3 of the Form 4 filed Oct 16, 2025 (it is attached to that document's line N1)7/27/93SEC EDGAR, footnotes and remarks of the Form 4 filed Oct 16, 2025 ↗
  7. C3.ai Form 4 0001031530-25-000008: holding1 sale line held indirectly (See Footnote)Our database
  8. C3.ai Form 4 0001031530-25-000008, line 1: the shares owned after the line1,955,300 shares of Class A Common Stock owned after this line, held indirectly (See Footnote)Our database
  9. C3.ai Form 4 0001031530-25-000008: ownerSIEBEL THOMAS MOur database
  10. C3.ai Form 4 0001031530-25-000008: relationshipdirector, officer (Executive Chairman) and owner of more than 10% of the sharesOur database
  11. C3.ai Form 4 0001031530-25-000008: shares afterafter the last sale line the form states 1955300 shares of Class A Common Stock held indirectly (See Footnote)Our database
  12. Footnote F1 of the Form 4 filed Oct 16, 2025 (it is attached to that document's line N1)September 20, 2024SEC EDGAR, footnotes and remarks of the Form 4 filed Oct 16, 2025 ↗
  13. C3.ai Form 4 0001031530-25-000008: rule 10b5 1ticked: the filing marks a transaction on the form as made under a Rule 10b5-1 plan; the box is one answer for the whole form and does not say which lineOur database
  14. C3.ai Form 4 0001031530-25-000008: filed onOct 16, 2025Our database

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The record

Issuer
C3.ai (CIK 1577526, filed as C3.ai, Inc.)
Form
4
Accession
0001031530-25-000008
Filed
Oct 16, 2025
Period of report
Oct 14, 2025
Reporting owner
Thomas Siebel (CIK 1031530, filed as SIEBEL THOMAS M)
Relationship
director, officer (Executive Chairman) and owner of more than 10% of the shares
Rule 10b5-1 checkbox
Ticked
Line 1
S (sale) · 554,802 Class A Common Stock at $18.82 · Oct 14, 2025 · disposed, indirectly, See Footnote · 1,955,300 held after · footnotes F1, F2 and F3
Footnote F1
The transaction being reported was effected pursuant to a previously established Rule 10b5-1 trading plan dated September 20, 2024.
Footnote F2
The price reported is a weighted-average price. These shares were sold in multiple transactions at prices ranging from $18.39 to $19.35, inclusive. The Reporting Person will provide upon request to the staff of the Securities and Exchange Commission, the Issuer or any security holder of the Issuer, full information regarding the number of shares sold at each separate price.
Footnote F3
The shares are held by The Siebel Living Trust u/a/d 7/27/93, as amended, of which the Reporting Person is trustee.
Footnote F4
The shares are held by First Virtual Holdings, LLC, of which the Reporting Person is Chairman.
Footnote F5
The shares are held by Siebel Asset Management, L.P., of which the Reporting Person is the general partner.
Footnote F6
The shares are held by Siebel Asset Management III, L.P., of which the Reporting Person is the general partner.
Footnote F7
The shares are held by The Siebel 2011 Irrevocable Children's Trust, of which the Reporting Person is co-trustee.
Open the source ↗

Insider purchases and sales of C3.ai shares, 12 months

Total$203.73 million sold
Thomas Siebel · sold$78.71 million
Thomas Siebel · sold, held indirectly$77.08 million
Jim H. Snabe · sold$21.51 million
Schilling Robert David · sold$8.13 million
Stephen M. Ward · sold$6.37 million
Richard C. Levin · sold$4.97 million
New to this? Learn it in 4 minReading a Form 4

About C3.ai

C3.ai page →
Revenue$250.27 millionYear to Apr 30, 2026 · −35.67% year over year
Operating income−$498.5 millionYear to Apr 30, 2026 · −53.66% year over year
Net income−$470.37 millionYear to Apr 30, 2026 · −62.93% year over year

Source: SEC EDGAR XBRL financial data · filed Sep 9, 2026

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Layoffs, 12 months
No WARN notices in the US states we read

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Sources

  1. SEC EDGAR, Form 4 filed Oct 16, 2025
  2. How we collect our data
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