FilingsForm 4

C3.ai CEO Thomas Siebel and The Siebel Living Trust sold $12.57 million of shares from Apr 14 to Apr 16, 2025

From the public record1 min read

Published Oct 28, 2026 · 11:25 UTCFiled Apr 16, 2025

Value$12.01 million direct, $564,240 indirect

Shares598,186 direct, 28,113 indirect

Average price$20.07

FiledApr 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.

C3.ai chief executive officer Thomas Siebel and The Siebel Living Trust, of which Siebel was trustee, sold 626,299 Class A shares at an average of $20.07 a share from Apr 14 to Apr 16, 2025. Siebel sold 598,186 of them directly for $12.01 million and the trust sold the rest, on lines the form marks as held indirectly; after the last sale line the form states 0 Class A shares held directly and 4,990,226 held indirectly. The form's first footnote says all of the sales were made under a Rule 10b5-1 trading plan dated Sep 20, 2024. The trades are in a Form 4, the form a company insider files with the SEC after trading its shares, filed on Apr 16, 2025.1 2 3 4 5 6 7 8 9 10 11 12 13

How each figure was checked13 facts

C3.ai Form 4 0001415889-25-010832: ownerThomas Siebel (filed as SIEBEL THOMAS M)Our database
C3.ai Form 4 0001415889-25-010832: relationshipdirector, officer (CHIEF EXECUTIVE OFFICER) and owner of more than 10% of the sharesOur database
C3.ai Form 4 0001415889-25-010832: sidesaleOur database
C3.ai Form 4 0001415889-25-010832: shares626,299Our database
C3.ai Form 4 0001415889-25-010832: average price$20.07Our database
C3.ai Form 4 0001415889-25-010832: shares afterafter the last sale line the form states 0 shares of Class A Common Stock held directly; 4990226 shares of Class A Common Stock held indirectly (See Footnote)Our database
Footnote F6 of the Form 4 filed Apr 16, 2025 (it is attached to that document's line N5, N6, N7, N8)7/27/93SEC EDGAR, Form 4 footnotes, filed Apr 16, 2025 ↗
C3.ai Form 4 0001415889-25-010832: first dateApr 14, 2025Our database
C3.ai Form 4 0001415889-25-010832: last dateApr 16, 2025Our database
C3.ai Form 4 0001415889-25-010832: holding4 sale lines held directly; 4 sale lines held indirectly (See Footnote)Our database
C3.ai Form 4 0001415889-25-010832: by holderthe sale lines of this form, by who held the shares: held directly: 598186 shares for 12005815.51 USD; See Footnote, footnote: The transaction being reported was effected pursuant to a previously established Rule 10b5-1 trading plan dated September 20, 2024. Represents weighted average sales price. The shares were sold at prices ranging from $19.62 to $20.6198. (held indirectly): 14639 shares for 294243.9 USD; See Footnote, footnote: The transaction being reported was effected pursuant to a previously established Rule 10b5-1 trading plan dated September 20, 2024. Represents weighted average sales price. The shares were sold at prices ranging from $20.62 to $21.385. (held indirectly): 2112 shares for 43950.72 USD; See Footnote, footnote: The transaction being reported was effected pursuant to a previously established Rule 10b5-1 trading plan dated September 20, 2024. Represents weighted average sales price. The shares were sold at prices ranging from $19.665 to $20.10. (held indirectly): 10728 shares for 213701.76 USD; See Footnote, footnote: The transaction being reported was effected pursuant to a previously established Rule 10b5-1 trading plan dated September 20, 2024. Represents weighted average sales price. The shares were sold at prices ranging from $18.99 to $19.83. (held indirectly): 634 shares for 12343.98 USDOur database
Footnote F1 of the Form 4 filed Apr 16, 2025 (it is attached to that document's line N1, N2, N3, N4, N5, N6, N7, N8)September 20, 2024SEC EDGAR, Form 4 footnotes, filed Apr 16, 2025 ↗
C3.ai Form 4 0001415889-25-010832: filed onApr 16, 2025Our database

The record

Issuer: C3.ai (CIK 1577526, filed as C3.ai, Inc.)
Form: 4
Accession: 0001415889-25-010832
Filed: Apr 16, 2025
Period of report: Apr 14, 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) · 311,488 Class A Common Stock at $20.10 · Apr 14, 2025 · disposed, directly · 286,698 held after · footnotes F1 and F2
Line 2: S (sale) · 44,930 Class A Common Stock at $20.81 · Apr 14, 2025 · disposed, directly · 241,768 held after · footnotes F1 and F3
Line 3: S (sale) · 228,201 Class A Common Stock at $19.92 · Apr 15, 2025 · disposed, directly · 13,567 held after · footnotes F1 and F4
Line 4: S (sale) · 13,567 Class A Common Stock at $19.47 · Apr 16, 2025 · disposed, directly · 0 held after · footnotes F1 and F5
Line 5: S (sale) · 14,639 Class A Common Stock at $20.10 · Apr 14, 2025 · disposed, indirectly, See Footnote · 5,003,700 held after · footnotes F1, F2 and F6
Line 6: S (sale) · 2,112 Class A Common Stock at $20.81 · Apr 14, 2025 · disposed, indirectly, See Footnote · 5,001,588 held after · footnotes F1, F3 and F6
Line 7: S (sale) · 10,728 Class A Common Stock at $19.92 · Apr 15, 2025 · disposed, indirectly, See Footnote · 4,990,860 held after · footnotes F1, F4 and F6
Line 8: S (sale) · 634 Class A Common Stock at $19.47 · Apr 16, 2025 · disposed, indirectly, See Footnote · 4,990,226 held after · footnotes F1, F5 and F6
Footnote F1: The transaction being reported was effected pursuant to a previously established Rule 10b5-1 trading plan dated September 20, 2024.
Footnote F2: Represents weighted average sales price. The shares were sold at prices ranging from $19.62 to $20.6198. The Reporting Person will provide upon request, to the SEC, the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price.
Footnote F3: Represents weighted average sales price. The shares were sold at prices ranging from $20.62 to $21.385. The Reporting Person will provide upon request, to the SEC, the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price.
Footnote F4: Represents weighted average sales price. The shares were sold at prices ranging from $19.665 to $20.10. The Reporting Person will provide upon request, to the SEC, the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price.
Footnote F5: Represents weighted average sales price. The shares were sold at prices ranging from $18.99 to $19.83. The Reporting Person will provide upon request, to the SEC, the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price.
Footnote F6: 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 F7: The shares are held by First Virtual Holdings, LLC, of which the Reporting Person is Chairman.
Footnote F8: The shares are held by Siebel Asset Management, L.P., of which the Reporting Person is the general partner.
Footnote F9: The shares are held by Siebel Asset Management III, L.P., of which the Reporting Person is the general partner.
Footnote F10: The shares are held by The Siebel 2011 Irrevocable Children's Trust, of which the Reporting Person is co-trustee.