FilingsForm 4

C3.ai CEO Thomas Siebel sold 336,000 Class A shares for $7.65 million on Aug 4, 2025

From the public record1 min read

Published Oct 28, 2026 · 11:23 UTCFiled Aug 5, 2025

Value$7.65 million

Shares336,000

Average price$22.77

FiledAug 5

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 sold 336,000 Class A shares on Aug 4, 2025, at an average price of $22.77 a share, for $7.65 million in all. Footnotes say C3.ai automatically withheld and sold these shares to cover Thomas Siebel's tax withholding obligations on the vesting of restricted stock units and performance restricted stock units, and that they were sold at prices from $22.595 to $23.015. The form states 323,916 Class A shares held directly after the sale, and it also lists two gift lines of 323,916 shares each on Aug 4, 2025: one leaves 0 shares held directly, the other adds shares held by The Siebel Living Trust, a trust of which, a footnote says, Thomas Siebel was trustee. The filing is a Form 4, the form an insider files when trading the company's shares, filed on Aug 5, 2025 and available on SEC EDGAR.1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18

How each figure was checked18 facts

C3.ai Form 4 0001415889-25-021072: ownerThomas SiebelOur database
C3.ai Form 4 0001415889-25-021072: relationshipdirector, officer (CHIEF EXECUTIVE OFFICER) and owner of more than 10% of the sharesOur database
C3.ai Form 4 0001415889-25-021072: sidesaleOur database
C3.ai Form 4 0001415889-25-021072: shares336,000Our database
C3.ai Form 4 0001415889-25-021072: value$7.65 millionOur database
C3.ai Form 4 0001415889-25-021072: average price$22.77Our database
C3.ai Form 4 0001415889-25-021072: first dateAug 4, 2025Our database
Footnote F3 of the Form 4 filed Aug 5, 2025 (it is attached to that document's line N5)shares withheld and sold by the Issuer to satisfy tax withholding obligationsFootnotes of the Form 4 filed Aug 5, 2025 ↗
Footnote F4 of the Form 4 filed Aug 5, 2025 (it is attached to that document's line N5)$22.595; $23.015Footnotes of the Form 4 filed Aug 5, 2025 ↗
Footnote F1 of the Form 4 filed Aug 5, 2025 (it is attached to that document's lines N2 and D1)a restricted stock unit (RSU) is a right to receive one Class A share on settlementFootnotes of the Form 4 filed Aug 5, 2025 ↗
Footnote F2 of the Form 4 filed Aug 5, 2025 (it is attached to that document's lines N3, N4, D2 and D3)a performance restricted stock unit (PRSU) is a right to receive one Class A shareFootnotes of the Form 4 filed Aug 5, 2025 ↗
C3.ai Form 4 0001415889-25-021072, line 5: the shares owned after the line323,916 shares of Class A Common Stock owned after this line, held directlyOur database
C3.ai Form 4 0001415889-25-021072: other linesThe form also lists 6 lines for exercise of a derivative security (3 in the table of shares, 3 in the table of derivative securities), 2 lines for gift and 1 line for grant or award.Our database
C3.ai Form 4 0001415889-25-021072, line 6gift (code G): 323,916 shares disposed on Aug 4, 2025 at $0 per share; held directly; 0 owned after the lineOur database
C3.ai Form 4 0001415889-25-021072, line 6: the shares owned after the line0 shares of Class A Common Stock owned after this line, held directlyOur database
C3.ai Form 4 0001415889-25-021072, line 7gift (code G): 323,916 shares acquired on Aug 4, 2025 at $0 per share; held indirectly (See Footnote); 3,551,250 owned after the lineOur database
Footnote F5 of the Form 4 filed Aug 5, 2025 (it is attached to that document's line N7)shares held by The Siebel Living Trust, of which the reporting person is trusteeFootnotes of the Form 4 filed Aug 5, 2025 ↗
C3.ai Form 4 0001415889-25-021072: filed onAug 5, 2025Our database

The record

Issuer: C3.ai (CIK 1577526, filed as C3.ai, Inc.)
Form: 4
Accession: 0001415889-25-021072
Filed: Aug 5, 2025
Period of report: Aug 1, 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: Not ticked
Line 1: A (grant or award) · 40,125 Class A Common Stock at $0.00 · Aug 1, 2025 · acquired, directly · 40,125 held after
Line 2: M (exercise of a derivative security) · 53,125 Class A Common Stock · Aug 1, 2025 · acquired, directly · 93,250 held after · footnote F1
Line 3: M (exercise of a derivative security) · 283,333 Class A Common Stock · Aug 2, 2025 · acquired, directly · 376,583 held after · footnote F2
Line 4: M (exercise of a derivative security) · 283,333 Class A Common Stock · Aug 3, 2025 · acquired, directly · 659,916 held after · footnote F2
Line 5: S (sale) · 336,000 Class A Common Stock at $22.77 · Aug 4, 2025 · disposed, directly · 323,916 held after · footnotes F3 and F4
Line 6: G (gift) · 323,916 Class A Common Stock at $0.00 · Aug 4, 2025 · disposed, directly · 0 held after
Line 7: G (gift) · 323,916 Class A Common Stock at $0.00 · Aug 4, 2025 · acquired, indirectly, See Footnote · 3,551,250 held after · footnote F5
Derivative line 1: M (exercise of a derivative security) · 53,125 Restricted Stock Units at $0.00 · Aug 1, 2025 · disposed, directly · 159,375 held after · footnotes F1 and F10
Derivative line 2: M (exercise of a derivative security) · 283,333 Performance Restricted Stock Units at $0.00 · Aug 2, 2025 · disposed, directly · 850,001 held after · footnote F2
Derivative line 3: M (exercise of a derivative security) · 283,333 Performance Restricted Stock Units at $0.00 · Aug 3, 2025 · disposed, directly · 566,668 held after · footnote F2
Footnote F1: Each Restricted Stock Unit (RSU) represents a contingent right to receive one share of the Issuer's Class A Common Stock upon settlement.
Footnote F2: Each Performance Restricted Stock Unit (PRSU) represents a contingent right to receive one share of the Issuer's Class A Common Stock. The PRSUs vest upon the Issuer's Class A Common Stock achieving a specified price per share.
Footnote F3: Pursuant to the Issuer's policies and practice, these shares of Class A Common Stock were automatically withheld and sold by the Issuer to satisfy the Reporting Person's tax withholding obligations related to the vesting of RSUs and PRSUs reported herein.
Footnote F4: The price reported is a weighted-average price. These shares were sold in multiple transactions at prices ranging from $22.595 to $23.015, 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 The Siebel Living Trust u/a/d 7/27/93, as amended, of which the Reporting Person is trustee.
Footnote F6: The shares are held by First Virtual Holdings, LLC, of which the Reporting Person is Chairman.
Footnote F7: The shares are held by Siebel Asset Management, L.P., of which the Reporting Person is the general partner.
Footnote F8: The shares are held by Siebel Asset Management III, L.P., of which the Reporting Person is the general partner.
Footnote F9: The shares are held by The Siebel 2011 Irrevocable Children's Trust, of which the Reporting Person is co-trustee.
Footnote F10: 6.25% of each such RSU award vested on August 1, 2022 and 6.25% of each such RSU award shall vest on a quarterly basis thereafter, so long as the Reporting Person continues to provide services through such vesting date.