SEC Form 4 · accession 0001577526-26-000098
C3.ai, Inc. · AI
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
Thomas M Siebel
Officer — CEO and Chairman of the Board · Director · 10% Owner
Period of report
Aug 11, 2026
Accepted (ET)
Aug 13, 2026 · 5:27 pm EDT
Rule 10b5-1 plan
yes — trade under a plan
Issuer CIK
0001577526
Table I — non-derivative securities
| Security | Date | Code | Shares | Price | A/D | Owned after | D/I | Nature of ownership |
|---|---|---|---|---|---|---|---|---|
| Class A Common Stock | Aug 11, 2026 | M | 453,314 | $3.90 | A | 1,175,676 | D | |
| Class A Common StockF2 | Aug 11, 2026 | S | 453,314 | $10.51 | D | 722,362 | D | |
| Class A Common StockF3 | holding | — | — | — | 7,067,187 | I | See Footnote | |
| Class A Common StockF4 | holding | — | — | — | 9,216 | I | See Footnote | |
| Class A Common StockF5 | holding | — | — | — | 170,294 | I | See Footnote | |
| Class A Common StockF6 | holding | — | — | — | 72,695 | I | See Footnote | |
| Class A Common StockF7 | holding | — | — | — | 1,237,115 | I | See Footnote |
Table II — derivative securities
| Security | Conv. / exercise price | Date | Code | Shares | A/D | Exercisable | Expires | Underlying | Underlying shares | Owned after | D/I |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Stock Option (Right to Buy)F8 | $3.90 | Aug 11, 2026 | M | 453,314 | D | — | Nov 27, 2028 | Class A Common Stock | 453,314 | 2,413,196 | D |
Explanation of responses
- F1The transaction being reported was effected pursuant to a previously established Rule 10b5-1 trading plan dated September 20, 2024.
- F2The price reported is a weighted-average price. These shares were sold in multiple transactions at prices ranging from $10.30 to $10.69, 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.
- F3The shares are held by The Siebel Living Trust u/a/d 7/27/93, as amended, of which the Reporting Person is trustee.
- F4The shares are held by First Virtual Holdings, LLC, of which the Reporting Person is Chairman.
- F5The shares are held by Siebel Asset Management, L.P., of which the Reporting Person is the general partner.
- F6The shares are held by Siebel Asset Management III, L.P., of which the Reporting Person is the general partner.
- F7The shares are held by The Siebel 2011 Irrevocable Children's Trust, of which the Reporting Person is co-trustee.
- F8Fully vested.