Form 4: C3.ai CEO Thomas Siebel Executes Stock Transactions

CEO Thomas Siebel reported the exercise of stock options and restricted stock units alongside related tax-withholding sales.

Summary

• CEO Thomas Siebel exercised 44,767 Restricted Stock Units (RSUs) on June 11, 2026.
• On June 12, 2026, 23,570 shares were sold at a weighted-average price of $10.92 to cover tax obligations.
• On June 15, 2026, the CEO exercised 472,005 stock options at an exercise price of $2.04.
• On June 15, 2026, 472,005 shares were sold at a weighted-average price of $11.11.
• A gift of 21,197 shares was transferred to a trust on June 15, 2026.

Sentiment

Score: 5

Explanation: StockSavvy.ai views this as a neutral event, as the transactions are routine equity compensation management and follow a pre-established trading plan.

Positives

• The CEO maintains a significant beneficial ownership stake in C3.ai, Inc.
• Transactions were conducted under a pre-established Rule 10b5-1 trading plan, indicating systematic rather than discretionary selling.

Negatives

• The filing reflects a net reduction in direct share ownership following the exercise and subsequent sale of options and RSUs.

Risks

• Future share price volatility may impact the value of remaining holdings.
• Reliance on Rule 10b5-1 plans for liquidity may be perceived as a standard exit strategy for executive compensation.

Future Outlook

The filing does not provide forward-looking financial guidance, as it is a disclosure of insider transactions.

Management Comments

• Transactions were executed pursuant to a Rule 10b5-1 trading plan dated September 20, 2024.

Industry Context

StockSavvy.ai notes that executive stock sales via 10b5-1 plans are common in the technology sector, often used to manage tax liabilities associated with equity-based compensation packages.

Comparison to Industry Standards

• The use of Rule 10b5-1 plans is a standard corporate governance practice for executives to avoid allegations of insider trading.
• The exercise and sell-to-cover strategy is consistent with standard executive compensation practices at high-growth software companies.

Related Party Transactions

• Shares held by The Siebel Living Trust, First Virtual Holdings, LLC, Siebel Asset Management, L.P., and The Siebel 2011 Irrevocable Children's Trust.

Stakeholder Impact

• Minimal impact on shareholders as the transactions were pre-planned and related to tax obligations.

Next Steps

• Continued monitoring of Form 4 filings for further insider activity.

Key Dates

Keywords

C3.ai, AI, Thomas Siebel, Insider Trading, Form 4, Stock Options, Equity Compensation