C3.ai CEO Thomas Siebel sold 462,565 shares for $4.2 million on July 14 and 15, 2026, under a pre-scheduled Rule 10b5-1 trading plan adopted in September 2024. The transactions involved exercising options at $3.90 per share and immediately selling the resulting stock at a weighted average price of $9.18. Following the sales, Siebel retains 722,362 directly held shares, approximately 1.5 million indirectly held shares through four entities, and nearly 2.9 million derivative securities, representing about a 1% ownership stake. C3.ai stock is down because its revenue fell after Siebel resigned from the CEO position due to health issues, and the company announced his return in June. The stock had a negative 66% one-year total return as of the July 15 close, with fiscal 2026 revenue dropping to $250.3 million from $389.1 million the prior year.
C3 Ai IncCEO sold shares under trading plan, revenue dropped, stock down 66%
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