C3.ai CEO Thomas Siebel Disposes Shares for Tax Withholding
Thomas M. Siebel, the CEO and Chairman of C3.ai (NYSE: AI), sold a total of 66,752 shares on September 14, 2026 to satisfy tax withholding obligations following the vesting of restricted stock units earlier in the year. The transaction included both direct sales and indirect gifting through trusts. Despite this disposal, Siebel remains one of C3.ai's largest shareholders with a total beneficial ownership valued at approximately $104.1 million as of September 2026. C3.ai continues to face financial challenges, reporting negative net income for the trailing twelve months and experiencing a significant stock price decline over the past year—falling by nearly 38%. The company's market capitalization stands at around $1.7 billion with TTM revenues of $232.4 million. While Siebel’s share sale is not indicative of pessimism due to its automatic nature, broader concerns remain about C3.ai’s financial performance and stock trajectory.
Topics: C3.ai restricted stock units (RSUs) stock disposal tax withholding Thomas M. Siebel