Form 4: C3.ai CEO Sells Shares
Insider Transaction (Form 4)
Thomas M Siebel, CEO and Chairman of the Board, a Director and 10% owner of C3.ai, Inc., sold 453,314 shares of common stock on August 11, 2026 for $10.51 per share.
Summary
- Option exercise/conversion: acquired 453,314 Class A Common Stock at $3.90 ($1,767,925) on August 11, 2026; holds 1,175,676 after (Direct).
- Open-market sale: disposed of 453,314 Class A Common Stock at $10.51 ($4,764,330) on August 11, 2026; holds 722,362 after (Direct).
- Option exercise/conversion: disposed of 453,314 Stock Option (Right to Buy) on August 11, 2026; holds 2,413,196 after (Direct).
Sentiment
Score: 4
Explanation: StockSavvy.ai views this as a mildly negative but low-conviction signal: an insider sold $4,764,330 of stock under a pre-arranged Rule 10b5-1 plan, which is typically routine.
Insider Transactions
Thomas M Siebel — Director, Officer (CEO and Chairman of the Board), 10% owner
Transaction made under a Rule 10b5-1 trading plan.
| Date | Transaction | Security | Shares | Price | Value | Held After |
|---|---|---|---|---|---|---|
| 2026-08-11 | Option exercise/conversion | Class A Common Stock | 453,314 | $4 | $1.8M | 1,175,676 |
| 2026-08-11 | Open-market sale | Class A Common Stock | 453,314 | $11 | $4.8M | 722,362 |
| 2026-08-11 | Option exercise/conversion | Stock Option (Right to Buy) | 453,314 | — | — | 2,413,196 |
Key Dates
| Date | Description |
|---|---|
| 2026-08-11 | Option exercise/conversion (453,314 shares) |
| 2026-08-11 | Open-market sale (453,314 shares) |
| 2026-08-11 | Option exercise/conversion (453,314 shares) |
Keywords
insider transaction, Form 4, AI, C3.ai, Inc., bearish, Thomas M Siebel
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