FilingsForm 4

Thomas M. Siebel reported sales of 522,175 C3.ai shares for $7.06 million on Jan 13, 2026

From the public record1 min read

Published Oct 27, 2026 · 22:17 UTCFiled Jan 15, 2026

Value$2.87 million direct, $4.19 million indirect

Shares212,586 direct, 309,589 indirect

Average price$13.52

FiledJan 15

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.

Thomas M. Siebel, C3.ai's Executive Chairman, reported sales of 522,175 Class A shares on Jan 13, 2026 at an average price of $13.52 a share, for $7.06 million, on a day the form also lists a stock option exercise. The form lists the exercise of stock options for 212,586 shares that day; it gives 212,586 of the shares sold as held directly and 309,589 as held indirectly. After the sales, the form states 722,362 Class A shares held directly and 632,256 held indirectly, and says the sales were made under a 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 Jan 15, 2026.1 2 3 4 5 6 7 8 9 10 11 12 13 14 15

How each figure was checked15 facts

C3.ai Form 4 0001031530-26-000002: ownerThomas M. Siebel (filed as SIEBEL THOMAS M)Our database
C3.ai Form 4 0001031530-26-000002: relationshipdirector, officer (Executive Chairman) and owner of more than 10% of the sharesOur database
C3.ai Form 4 0001031530-26-000002: sidesaleOur database
C3.ai Form 4 0001031530-26-000002: shares522,175Our database
C3.ai Form 4 0001031530-26-000002: first dateJan 13, 2026Our database
C3.ai Form 4 0001031530-26-000002: average price$13.52Our database
C3.ai Form 4 0001031530-26-000002: value$7.06 millionOur database
C3.ai Form 4 0001031530-26-000002, line 1exercise of a derivative security (code M): 212,586 shares acquired on Jan 13, 2026 at $2.04 per share; held directly; 934,948 owned after the lineOur database
C3.ai Form 4 0001031530-26-000002: shares afterafter the last sale line the form states 722362 shares of Class A Common Stock held directly; 632256 shares of Class A Common Stock held indirectly (See Footnote)Our database
C3.ai Form 4 0001031530-26-000002, derivative line 1: the shares owned after the line2,787,414 shares of Stock Option (Right to Buy) owned after this line, held directlyOur database
C3.ai Form 4 0001031530-26-000002: by holderthe sale lines of this form, by who held the shares: held directly: 212586 shares for 2874162.72 USD; See Footnote, footnote: The transaction being reported was effected pursuant to a previously established Rule 10b5-1 trading plan dated September 20, 2024. The price reported is a weighted-average price. (held indirectly): 309589 shares for 4185643.28 USDOur database
C3.ai Form 4 0001031530-26-000002: holding1 sale line held directly; 1 sale line held indirectly (See Footnote)Our database
Footnote F1 of the Form 4 filed Jan 15, 2026 (it is attached to that document's line N1, N2, N3, D1)September 20, 2024SEC EDGAR, footnotes and remarks of the Form 4 filed Jan 15, 2026 ↗
C3.ai Form 4 0001031530-26-000002: 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
C3.ai Form 4 0001031530-26-000002: filed onJan 15, 2026Our database

The record

Issuer: C3.ai (CIK 1577526, filed as C3.ai, Inc.)
Form: 4
Accession: 0001031530-26-000002
Filed: Jan 15, 2026
Period of report: Jan 13, 2026
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: M (exercise of a derivative security) · 212,586 Class A Common Stock at $2.04 · Jan 13, 2026 · acquired, directly · 934,948 held after · footnote F1
Line 2: S (sale) · 212,586 Class A Common Stock at $13.52 · Jan 13, 2026 · disposed, directly · 722,362 held after · footnotes F1 and F2
Line 3: S (sale) · 309,589 Class A Common Stock at $13.52 · Jan 13, 2026 · disposed, indirectly, See Footnote · 632,256 held after · footnotes F1 and F2
Derivative line 1: M (exercise of a derivative security) · 212,586 Stock Option (Right to Buy) at $0.00 · Jan 13, 2026 · disposed, directly · 2,787,414 held after · footnotes F1 and F7
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 $13.265 to $14.20, 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 First Virtual Holdings, LLC, of which the Reporting Person is Chairman.
Footnote F4: The shares are held by Siebel Asset Management, L.P., of which the Reporting Person is the general partner.
Footnote F5: The shares are held by Siebel Asset Management III, L.P., of which the Reporting Person is the general partner.
Footnote F6: The shares are held by The Siebel 2011 Irrevocable Children's Trust, of which the Reporting Person is co-trustee.
Footnote F7: Fully vested.