Postgame
FilingsForm 4

566,125 C3.ai shares held by The Siebel Living Trust sold for $9.75 million in September 2025

From the public record1 min read

Published Updated Filed
Value$9.75 million, held indirectly
Shares566,125, held indirectly
Average price$17.23
FiledSep 17

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.

566,125 C3.ai Class A shares held by The Siebel Living Trust were sold on Sep 16, 2025 at an average price of $17.23 a share, for $9.75 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 2,510,102 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 Sep 17, 2025.1234567891011121314

How each figure was checked14 facts
  1. C3.ai Form 4 0001031530-25-000006: sidesaleOur database
  2. C3.ai Form 4 0001031530-25-000006: shares566,125Our database
  3. C3.ai Form 4 0001031530-25-000006: first dateSep 16, 2025Our database
  4. C3.ai Form 4 0001031530-25-000006: average price$17.23Our database
  5. C3.ai Form 4 0001031530-25-000006: value$9.75 millionOur database
  6. Footnote F3 of the Form 4 filed Sep 17, 2025 (it is attached to that document's line N1)7/27/93SEC EDGAR, footnotes and remarks of the Form 4 filed Sep 17, 2025 ↗
  7. C3.ai Form 4 0001031530-25-000006: holding1 sale line held indirectly (See Footnote)Our database
  8. C3.ai Form 4 0001031530-25-000006, line 1: the shares owned after the line2,510,102 shares of Class A Common Stock owned after this line, held indirectly (See Footnote)Our database
  9. C3.ai Form 4 0001031530-25-000006: ownerSIEBEL THOMAS MOur database
  10. C3.ai Form 4 0001031530-25-000006: relationshipdirector, officer (Executive Chairman) and owner of more than 10% of the sharesOur database
  11. C3.ai Form 4 0001031530-25-000006: shares afterafter the last sale line the form states 2510102 shares of Class A Common Stock held indirectly (See Footnote)Our database
  12. Footnote F1 of the Form 4 filed Sep 17, 2025 (it is attached to that document's line N1)September 20, 2024SEC EDGAR, footnotes and remarks of the Form 4 filed Sep 17, 2025 ↗
  13. C3.ai Form 4 0001031530-25-000006: 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 0001031530-25-000006: filed onSep 17, 2025Our database

Sign in to keep your place.

The record

Issuer
C3.ai (CIK 1577526, filed as C3.ai, Inc.)
Form
4
Accession
0001031530-25-000006
Filed
Sep 17, 2025
Period of report
Sep 16, 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) · 566,125 Class A Common Stock at $17.23 · Sep 16, 2025 · disposed, indirectly, See Footnote · 2,510,102 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 $16.93 to $17.58, 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$185.16 million sold
Thomas Siebel · sold$78.71 million
Thomas Siebel · sold, held indirectly$66.64 million
Jim H. Snabe · sold$21.51 million
Stephen M. Ward · sold$6.37 million
Richard C. Levin · sold$4.97 million
Condoleezza Rice · sold$3.36 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

Open roles
No public hiring feed we can read
Layoffs, 12 months
No WARN notices in the US states we read

More on C3.ai

Sources

  1. SEC EDGAR, Form 4 filed Sep 17, 2025
  2. How we collect our data
C3.ai

Keep reading