C3.ai CEO Thomas Siebel sells $5.05 million in stock

C3.ai's CEO, Thomas Siebel, recently disposed of a significant portion of his Class A Common Stock, selling 426,655 shares for an estimated $5.05 million. These transactions occurred on November 10 and 11, 2026, as part of a pre-arranged Rule 10b5-1 trading plan implemented on September 20, 2024. The shares were sold at prices fluctuating between $11.50 and $12.285, with Mr. Siebel selling 328,742 shares on November 10 at an average price of $11.76 and another 97,913 shares on November 11 at an average price of $12.14.

Before these sales, Mr. Siebel acquired the 426,655 shares through the exercise of fully vested stock options, costing him roughly $1.66 million. Following these transactions, Mr. Siebel holds 722,362 shares directly and indirectly benefits from a substantial indirect ownership of 8,448,956 shares held by various trusts and LLCs.

The insider sale coincides with C3.ai shares trading at $12.07, marking a 40% increase over the past six months. Analysts, however, consider the stock overvalued relative to its Fair Value estimate. C3.ai shareholders approved all proposals at the 2026 Annual Meeting, electing John C. Dwyer, Michael G. McCaffery, and Stephen M. Ward, Jr., to serve until the 2029 Annual Meeting.

UBS rated C3.ai Neutral, anticipating positive growth from federal bookings of around $39 million in the first quarter of fiscal 2027. Northland upgraded the stock to Outperform, citing the new C3 Code platform as a growth driver. JMP Securities maintained a Market Perform rating following a visit to the company's headquarters.