| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| SIEBEL THOMAS M | Executive Chairman, Director, 10%+ Owner | C/O C3.AI, INC., 1400 SEAPORT BLVD, REDWOOD CITY | /s/ Thomas M. Siebel | 15 Dec 2025 | 0001031530 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | AI | Class A Common Stock | Options Exercise | +44,767 | 44,767 | 11 Dec 2025 | Direct | F1 | |||
| transaction | AI | Class A Common Stock | Award | +722,362 | +1614% | 767,129 | 11 Dec 2025 | Direct | F1, F2 | ||
| transaction | AI | Class A Common Stock | Sale | $366,620 | -23,000 | -3% | $15.94 | 744,129 | 12 Dec 2025 | Direct | F3, F4 |
| transaction | AI | Class A Common Stock | Gift | $0 | -21,767 | -2.9% | $0.000000 | 722,362 | 15 Dec 2025 | Direct | |
| transaction | AI | Class A Common Stock | Gift | $0 | +21,767 | +1.5% | $0.000000 | 1,474,677 | 15 Dec 2025 | See Footnote | F5 |
| holding | AI | Class A Common Stock | 9,216 | 11 Dec 2025 | See Footnote | F6 | |||||
| holding | AI | Class A Common Stock | 170,294 | 11 Dec 2025 | See Footnote | F7 | |||||
| holding | AI | Class A Common Stock | 72,695 | 11 Dec 2025 | See Footnote | F8 | |||||
| holding | AI | Class A Common Stock | 1,237,115 | 11 Dec 2025 | See Footnote | F9 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Underlying Class | Amount | Exercise Price | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | AI | Restricted Stock Units | Options Exercise | $0 | -44,767 | -12% | $0.000000 | 313,527 | 11 Dec 2025 | Class A Common Stock | 44,767 | Direct | F1, F10 | |
| transaction | AI | Stock Option (Right to Buy) | Award | $0 | +1,133,474 | $0.000000 | 1,133,474 | 11 Dec 2025 | Class A Common Stock | 1,133,474 | $17.51 | Direct | F11 |
| Id | Content |
|---|---|
| F1 | Each Restricted Stock Unit (RSU) represents a contingent right to receive one share of the Issuer's Class A Common Stock upon settlement. |
| F2 | Represents the grant of RSUs. 33% of the RSUs vest on December 11, 2026 and 1/12th of the RSUs vest on each quarterly anniversary thereafter, so long as the Reporting Person continues to provide services through such vesting date. |
| 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 reported herein. |
| F4 | The price reported is a weighted-average price. These shares were sold in multiple transactions at prices ranging from $15.78 to $16.00, 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. |
| 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. |
| F6 | The shares are held by First Virtual Holdings, LLC, of which the Reporting Person is Chairman. |
| F7 | The shares are held by Siebel Asset Management, L.P., of which the Reporting Person is the general partner. |
| F8 | The shares are held by Siebel Asset Management III, L.P., of which the Reporting Person is the general partner. |
| F9 | The shares are held by The Siebel 2011 Irrevocable Children's Trust, of which the Reporting Person is co-trustee. |
| F10 | 1/3rd of the RSUs vested on September 11, 2025 and 1/12th of the RSUs shall vest quarterly thereafter, so long as the Reporting Person continues to provide services through such vesting dates. |
| F11 | 1/3rd of the option shall vest on each of December 11, 2026, December 11, 2027 and December 11, 2028, so long as the Reporting Person continues to provide services as the Executive Chairman, or a similar role through such vesting dates. |