X0609 4 2026-09-15 0 0001577526 C3.ai, Inc. AI 0002014154 Lath Hitesh false C/O C3.AI, INC. 1400 SEAPORT BLVD REDWOOD CITY CA 94063 0 1 0 0 CHIEF FINANCIAL OFFICER 0 Class A Common Stock 2026-09-15 4 M 0 8007 A 371113 D Class A Common Stock 2026-09-15 4 M 0 1000 A 372113 D Class A Common Stock 2026-09-15 4 M 0 20000 A 392113 D Class A Common Stock 2026-09-16 4 S 0 21077 10.48 D 371036 D Class A Common Stock 2026-09-16 4 G 0 29856 0 D 341180 D Class A Common Stock 2026-09-16 4 G 0 29856 0 A 29856 I See Footnote Class A Common Stock 2026-09-17 4 G 0 15930 0 D 325250 D Class A Common Stock 2026-09-17 4 G 0 15930 0 A 45786 I See Footnote Restricted Stock Units 2026-09-15 4 M 0 8007 0 D Class A Common Stock 8007 72070 D Restricted Stock Units 2026-09-15 4 M 0 1000 0 D Class A Common Stock 1000 11000 D Restricted Stock Units 2026-09-15 4 M 0 20000 0 D Class A Common Stock 20000 240000 D Each restricted stock unit (RSU) represents a contingent right to receive one share of the Issuer's Class A Common Stock upon settlement. 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. The price reported is a weighted-average price. These shares were sold in multiple transactions at prices ranging from $10.37 to $10.64, 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. The shares are held by The Lath Family Revocable Trust, of which the Reporting Person is a trustee. 5% of such RSU award vested on March 15, 2024 and 5% of such RSU award vest on a quarterly basis thereafter, so long as the Reporting Person continues to provide services through such vesting date. 20% of such RSU award vested on June 15, 2025 and 5% of such RSU award vest on a quarterly basis thereafter, so long as the Reporting Person continues to provide services through such vesting date. 20% of such RSU award vested on September 15, 2025 and 5% of such RSU award vest on a quarterly basis thereafter, so long as the Reporting Person continues to provide services through such vesting date. /s/ Tom MacMitchell, Attorney-in-Fact 2026-09-17