Form 4: C3.ai Executive Chairman Reports Share Transactions

Thomas M. Siebel, Executive Chairman of C3.ai, Inc., reported the vesting of restricted stock units and subsequent share transactions, including sales for tax obligations and gifts.

Summary

• Thomas M. Siebel, Executive Chairman, Director, and 10% Owner of C3.ai, Inc. (AI), reported multiple transactions involving Class A Common Stock.
• On March 1, 2026, 32,736 Restricted Stock Units (RSUs) vested, resulting in the acquisition of 32,736 shares of Class A Common Stock.
• On March 2, 2026, 17,655 shares of Class A Common Stock were sold at a weighted-average price of $7.79 per share to cover tax withholding obligations related to the RSU vesting.
• On March 3, 2026, 15,081 shares of Class A Common Stock were disposed of directly at a price of $0, and an equal number of shares were acquired indirectly at $0, indicating a transfer or gift.
• Following these transactions, Siebel directly beneficially owns 722,362 shares of Class A Common Stock and indirectly owns 2,162,177 shares through various trusts and entities.
• Siebel also holds 98,210 unvested Restricted Stock Units directly, which vest 1/12th on each quarterly anniversary from December 1, 2023, contingent on continued service.

Sentiment

Score: 5

Explanation: StockSavvy.ai views this as a neutral filing. The reported transactions, including RSU vesting and sales for tax obligations, are routine for executive compensation and do not indicate a significant shift in company prospects or insider sentiment.

Industry Context

StockSavvy.ai notes that insider transaction reports like this Form 4 are standard disclosures for executives and significant shareholders, providing transparency into their holdings and trading activities. The vesting of RSUs and subsequent sale for tax purposes are common occurrences in executive compensation across the industry.

Related Party Transactions

• On March 3, 2026, 15,081 shares of Class A Common Stock were disposed of directly by Thomas M. Siebel at $0 and simultaneously acquired indirectly by an entity where he is a trustee, indicating a gift or transfer to a related party.

Stakeholder Impact

• Shareholders: Provides transparency into the holdings and trading activities of a key executive and significant shareholder, which is a standard regulatory disclosure.

Key Dates

Recommendation

This Form 4 filing details routine insider transactions, specifically the vesting of restricted stock units and subsequent sales to cover tax obligations, along with a transfer of shares. Such activities are common for executives and do not inherently signal a change in the company's fundamental outlook or the insider's long-term conviction. Therefore, based solely on this filing, a seasoned investor would likely maintain their current position, as there is no new information to warrant a change in investment strategy.

Keywords

C3.ai, AI, Thomas M. Siebel, Form 4, Insider Trading, Restricted Stock Units, RSU vesting, Share Transactions, Executive Chairman, Beneficial Ownership