FilingsForm 4

The Siebel Living Trust sold $9.69 million of C3.ai stock on Aug 12, 2025

From the public record1 min read

Published Oct 28, 2026 · 09:26 UTCFiled Aug 14, 2025

Value$9.69 million, held indirectly

Shares577,678, held indirectly

Average price$16.78

FiledAug 14

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.

A Form 4, the form an insider files when trading a company's shares, shows The Siebel Living Trust, of which Thomas Siebel was trustee, sold 577,678 C3.ai shares on Aug 12, 2025, at an average of $16.78 a share, or $9.69 million in all. The form lists Siebel as a director, officer (chief executive officer) and owner of more than 10% of the shares, and says the sale was made under a Rule 10b5-1 trading plan dated Sep 20, 2024. After the sale line the form states 2,973,572 shares of Class A common stock held indirectly. The form was filed on Aug 14, 2025 and is on SEC EDGAR.1 2 3 4 5 6 7 8 9 10 11 12

How each figure was checked12 facts

C3.ai Form 4 0001415889-25-021949: sidesaleOur database
C3.ai Form 4 0001415889-25-021949: shares577,678Our database
C3.ai Form 4 0001415889-25-021949: first dateAug 12, 2025Our database
C3.ai Form 4 0001415889-25-021949: average price$16.78Our database
C3.ai Form 4 0001415889-25-021949: value$9.69 millionOur database
Footnote F3 of the Form 4 filed Aug 14, 2025 (it is attached to that document's line N1)7/27/93Form 4 footnotes and remarks ↗
C3.ai Form 4 0001415889-25-021949: ownerThomas Siebel (filed as SIEBEL THOMAS M)Our database
C3.ai: nameC3.aiOur database
C3.ai Form 4 0001415889-25-021949: relationshipdirector, officer (CHIEF EXECUTIVE OFFICER) and owner of more than 10% of the sharesOur database
Footnote F1 of the Form 4 filed Aug 14, 2025 (it is attached to that document's line N1)September 20, 2024Form 4 footnotes and remarks ↗
C3.ai Form 4 0001415889-25-021949: shares afterafter the last sale line the form states 2973572 shares of Class A Common Stock held indirectly (See Footnote)Our database
C3.ai Form 4 0001415889-25-021949: filed onAug 14, 2025Our database

The record

Issuer: C3.ai (CIK 1577526, filed as C3.ai, Inc.)
Form: 4
Accession: 0001415889-25-021949
Filed: Aug 14, 2025
Period of report: Aug 12, 2025
Reporting owner: Thomas Siebel (CIK 1031530, filed as SIEBEL THOMAS M)
Relationship: director, officer (CHIEF EXECUTIVE OFFICER) and owner of more than 10% of the shares
Rule 10b5-1 checkbox: Ticked
Line 1: S (sale) · 577,678 Class A Common Stock at $16.78 · Aug 12, 2025 · disposed, indirectly, See Footnote · 2,973,572 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 $16.165 to $17.11, 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.