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FilingsForm 4

532,832 C3.ai shares held by The Siebel Living Trust sold for $7.64 million in December 2025

From the public record1 min read

Published Filed
Value$7.64 million, held indirectly
Shares532,832, held indirectly
Average price$14.33
FiledDec 18

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.

532,832 C3.ai Class A shares held by The Siebel Living Trust were sold on Dec 16 and Dec 17, 2025 at an average price of $14.33 a share, for $7.64 million. The form names Thomas M. 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 941,845 shares held indirectly after the last sale line. The form says the sales were 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 Dec 18, 2025.123456789101112131415

How each figure was checked15 facts
  1. C3.ai Form 4 0001031530-25-000016: sidesaleOur database
  2. C3.ai Form 4 0001031530-25-000016: shares532,832Our database
  3. C3.ai Form 4 0001031530-25-000016: first dateDec 16, 2025Our database
  4. C3.ai Form 4 0001031530-25-000016: last dateDec 17, 2025Our database
  5. C3.ai Form 4 0001031530-25-000016: average price$14.33Our database
  6. C3.ai Form 4 0001031530-25-000016: value$7.64 millionOur database
  7. Footnote F3 of the Form 4 filed Dec 18, 2025 (it is attached to that document's line N1, N2)7/27/93SEC EDGAR, footnotes and remarks of the Form 4 filed Dec 18, 2025 ↗
  8. C3.ai Form 4 0001031530-25-000016: holding2 sale lines held indirectly (See Footnote)Our database
  9. C3.ai Form 4 0001031530-25-000016, line 2: the shares owned after the line941,845 shares of Class A Common Stock owned after this line, held indirectly (See Footnote)Our database
  10. C3.ai Form 4 0001031530-25-000016: ownerThomas M. Siebel (filed as SIEBEL THOMAS M)Our database
  11. C3.ai Form 4 0001031530-25-000016: relationshipdirector, officer (Executive Chairman) and owner of more than 10% of the sharesOur database
  12. C3.ai Form 4 0001031530-25-000016: shares afterafter the last sale line the form states 941845 shares of Class A Common Stock held indirectly (See Footnote)Our database
  13. Footnote F1 of the Form 4 filed Dec 18, 2025 (it is attached to that document's line N1, N2)September 20, 2024SEC EDGAR, footnotes and remarks of the Form 4 filed Dec 18, 2025 ↗
  14. C3.ai Form 4 0001031530-25-000016: 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
  15. C3.ai Form 4 0001031530-25-000016: filed onDec 18, 2025Our database

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The record

Issuer
C3.ai (CIK 1577526, filed as C3.ai, Inc.)
Form
4
Accession
0001031530-25-000016
Filed
Dec 18, 2025
Period of report
Dec 16, 2025
Reporting owner
Thomas M. 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) · 392,064 Class A Common Stock at $14.37 · Dec 16, 2025 · disposed, indirectly, See Footnote · 1,082,613 held after · footnotes F1, F2 and F3
Line 2
S (sale) · 140,768 Class A Common Stock at $14.22 · Dec 17, 2025 · disposed, indirectly, See Footnote · 941,845 held after · footnotes F1, F3 and F4
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 $14.15 to $14.55, 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 price reported is a weighted-average price. These shares were sold in multiple transactions at prices ranging from $14.00 to $14.57, 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 F5
The shares are held by First Virtual Holdings, LLC, of which the Reporting Person is Chairman.
Footnote F6
The shares are held by Siebel Asset Management, L.P., of which the Reporting Person is the general partner.
Footnote F7
The shares are held by Siebel Asset Management III, L.P., of which the Reporting Person is the general partner.
Footnote F8
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$208.49 million sold
Thomas M. Siebel · sold, held indirectly$93 million
Thomas M. Siebel · sold$79.8 million
Jim H. Snabe · sold$21.51 million
Schilling Robert David · sold$8.13 million
Richard C. Levin · sold$1.95 million
Hitesh Lath · sold$1.75 million
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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

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Sources

  1. SEC EDGAR, Form 4 filed Dec 18, 2025
  2. How we collect our data
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