C3.ai CEO Thomas Siebel's June 2026 Stock Transactions and Holdings

This Form 4 filing details multiple transactions by C3.ai CEO and Chairman Thomas Siebel between June 11-15, 2026. Key transactions include: 44,767 RSUs vesting and converting to shares on June 11; 23,570 shares sold at $10.92 on June 12 for tax withholding; and 472,005 stock options exercised at $2.04 and immediately sold at $11.11 on June 15 via a Rule 10b5-1 plan. Siebel also transferred 21,197 shares between personal and trust accounts. Following these transactions, Siebel holds 722,362 shares directly and approximately 1.5 million shares indirectly through various trusts and entities. The filing shows significant option exercises and sales at substantial gains, with the June 15 transactions executed under a pre-established trading plan.