FilingsForm 4

C3.ai · Form 4 · Chief executive officer · Sale

From the public record

Filed Jul 16, 2026

Value$4.24 million

Shares462,565

Average price$9.18

FiledJul 16

The record

Issuer: C3.ai (CIK 1577526, filed as C3.ai, Inc.)
Form: 4
Accession: 0001577526-26-000085
Filed: Jul 16, 2026
Period of report: Jul 14, 2026
Reporting owner: Thomas Siebel (CIK 1031530, filed as SIEBEL THOMAS M)
Relationship: director, officer (CEO and Chairman of the Board) and owner of more than 10% of the shares
Rule 10b5-1 checkbox: Ticked
Line 1: M (exercise of a derivative security) · 264,100 Class A Common Stock at $2.04 · Jul 14, 2026 · acquired, directly · 986,462 held after · footnote F1
Line 2: S (sale) · 264,100 Class A Common Stock at $9.07 · Jul 14, 2026 · disposed, directly · 722,362 held after · footnotes F1 and F2
Line 3: M (exercise of a derivative security) · 64,975 Class A Common Stock at $2.04 · Jul 15, 2026 · acquired, directly · 787,337 held after · footnote F1
Line 4: S (sale) · 64,975 Class A Common Stock at $9.31 · Jul 15, 2026 · disposed, directly · 722,362 held after · footnotes F1 and F3
Line 5: M (exercise of a derivative security) · 133,490 Class A Common Stock at $3.90 · Jul 15, 2026 · acquired, directly · 855,852 held after · footnote F1
Line 6: S (sale) · 133,490 Class A Common Stock at $9.32 · Jul 15, 2026 · disposed, directly · 722,362 held after · footnotes F1 and F3
Derivative line 1: M (exercise of a derivative security) · 264,100 Stock Option (Right to Buy) at $0.00 · Jul 14, 2026 · disposed, directly · 64,975 held after · footnotes F1 and F8
Derivative line 2: M (exercise of a derivative security) · 64,975 Stock Option (Right to Buy) at $0.00 · Jul 15, 2026 · disposed, directly · 0 held after · footnotes F1 and F8
Derivative line 3: M (exercise of a derivative security) · 133,490 Stock Option (Right to Buy) at $0.00 · Jul 15, 2026 · disposed, directly · 2,866,510 held after · footnotes F1 and F8
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 $8.83 to $9.225, 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 price reported is a weighted-average price. These shares were sold in multiple transactions at prices ranging from $9.16 to $9.60, 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 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.
Footnote F8: Fully vested.