C3.ai CEO Thomas Siebel Sells 453,000 Shares for $4.8 Million
Key Points
The transaction involved the exercise of ~453,000 options at $3.90 per share, with the underlying equity immediately liquidated at $10.51 per share on August 11, 2026.
The sale of ~$4.8 million represents 5% of the CEO's total direct and indirect equity holdings.
Direct ownership decreased to ~722,000 shares, while ~8.6 million shares remain held indirectly through entities including The Siebel Living Trust, First Virtual Holdings, and Siebel Asset Management.
The transaction was executed under a Rule 10b5-1 trading plan established on September 20, 2024, as part of a routine liquidity and portfolio management strategy.
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Thomas M. Siebel, CEO and Chairman of the Board of C3.ai, Inc. (NYSE:AI), sold ~453,000 shares of Class A Common Stock on August 11, 2026, for ~$4.8 million following the exercise of equity awards. SEC Form 4 filing.
Transaction summary
| Metric | Value |
|---|---|
| Transaction value | ~$4.8 million |
| Shares sold | 453,314 |
| Post-transaction shares (directly held) | 722,362 |
| Post-transaction shares (indirectly held) | ~8.6 million |
| Post-transaction value | $98.63 million |
Transaction value based on SEC Form 4 weighted average sale price ($10.51); post-transaction value based on August 11, 2026 market close ($10.63).
Key questions
- What was the structural nature of this transaction?
This was an exercise-and-sell event in which Thomas M. Siebel converted 453,314 options into common stock and immediately sold those shares at prices ranging from $10.30 to $10.69. The exercise of these fully vested options reflects a planned conversion of equity compensation into cash. - How is the CEO's residual equity exposure distributed?
The executive retains a substantial position through multiple vehicles, including ~7.1 million shares in The Siebel Living Trust and ~1.2 million shares in The Siebel 2011 Irrevocable Children's Trust. Additionally, he continues to hold 2.4 million derivative securities in the form of stock options. - What are the current financial benchmarks for C3.ai?
As of the August 12, 2026 market close, the stock was priced at $10.08, following a (35%) one-year return as of the transaction date. The firm reports trailing twelve-month revenue of $250.3 million against a net loss of $470.4 million, maintaining a market capitalization of $1.5 billion.
Company Overview
| Metric | Value |
|---|---|
| Share Price (as of market close 2026-08-12) | $10.08 |
| Market Capitalization | $1.50 billion |
| Revenue (TTM) | $250.30 million |
| Net Income (TTM) | -$470.40 million |
| Total Employees | 764 |
| One Year Stock Performance | -35.46% |
Company Snapshot
- C3.ai develops and commercializes enterprise artificial intelligence software solutions, including the C3 AI Application Platform for building and deploying AI applications, along with specialized tools such as C3 AI Ex Machina for data preparation and C3 AI CRM for customer relationship management.
- The company generates revenue through software licensing and subscription-based delivery of its AI platform and applications to enterprise customers, enabling organizations to develop, deploy, and operate AI solutions at scale.
- C3.ai serves a diverse global customer base across North America, Europe, the Middle East, Africa, and the Asia Pacific region, targeting large enterprises seeking to accelerate digital transformation and artificial intelligence adoption.
C3.ai is a leading provider of enterprise AI software solutions with a market capitalization of $1.50 billion and TTM revenue of $250.30 million. The company operates at significant scale with 764 employees and maintains a global presence across multiple regions. C3.ai's competitive differentiation lies in its comprehensive AI platform architecture, which enables enterprises to rapidly develop, deploy, and operationalize AI applications without requiring extensive in-house AI expertise.
What this transaction means for investors
As previously mentioned, Siebel's stock sale was an "exercise and sell event." This means he converted options into common stock and immediately sold them.
Since the sale occurred under the Rule10b5-1 framework, Siebel pre-planned it in advance. Additionally, Siebel retained about 95% of his C3.ai stock holdings, indicating a positive outlook on the company he founded and continues to lead.
Like many other SaaS stocks, the so-called "SaaSpocalypse" seems to have affected C3.ai stock price decline. The market has sold these stocks recently amid fears that AI engines could build applications to perform the tasks of software platforms at a fraction of the cost.
Admittedly, C3.ai may suffer from this perception more than most software companies. Revenue is down as the company transitions to a pay-as-you-go subscription model. Also, a heavy dependence on a few large corporate clients and competition from the hyperscalers and companies like Palantir may concern some investors.
Whatever the problems, it is clear that Siebel remains bullish on his company, and this recent sale likely does nothing to change his sentiments.
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Will Healy has no position in any of the stocks mentioned. The Motley Fool has positions in and recommends Palantir Technologies. The Motley Fool recommends C3.ai. The Motley Fool has a disclosure policy.
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