C3.ai CEO Thomas Siebel sells $5.1m in shares

C3.ai's CEO, Thomas Siebel, sold $5.1 million worth of company stock on October 13, 2026. This sale, conducted under a pre-established Rule 10b5-1 trading plan, involved 435,363 shares of Class A Common Stock. Mr. Siebel's average price per share was $11.8179, with transactions ranging from $11.565 to $12.0123. Despite a 39% return over the past six months, C3.ai's shares have decreased by approximately 13% year-to-date.

Currently, the stock is considered overvalued by InvestingPro analysis. Prior to selling, Siebel acquired 435,363 shares via stock options exercised at $3.90 per share, totaling around $1.7 million. Following these transactions, he directly holds 722,362 shares and indirectly holds 7,105,832 shares through The Siebel Living Trust and other entities like First Virtual Holdings, LLC, and Siebel Legacy Investments I & II LLC.

C3.ai reported a significant increase in federal bookings to $39 million in the first quarter of fiscal 2027, up from $16 million in Q1 2026. Analysts offer mixed views, with Northland upgrading the stock to Outperform and expecting revenue growth, while Yorkville Ives and JMP Securities provide more cautious ratings.