Open Insider Trading Activity for C3.Ai, Inc. CEO and Chairman of the Board Siebel Thomas M
31-day price and insider activity (up to 2 years)
Daily candles with triangles for the buy and sale transactions shown below. Scroll left or zoom out to load earlier candles (up to 2 years).
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| Ticker | Filing Date | Transaction Date | Company | Insider | Title | Transaction | Trade Count | Shares | Avg. Price | Total Value | Position Size Change | SEC Filing |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 10b5-1: Scheduled Form 4 Transaction AI | 2026-10-14 | 2026-10-13 | C3.Ai, Inc. | Siebel Thomas M | CEO and Chairman of the Board | Sell | 1 | 435,363 | $11.82 | $5,145,076.40 | 37.61% | View Filing |
| 10b5-1: Scheduled Form 4 Transaction AI | 2026-09-17 | 2026-09-16 | C3.Ai, Inc. | Siebel Thomas M | CEO and Chairman of the Board | Sell | 2 | 444,248 | $10.77 | $4,783,894.28 | 38.08% | View Filing |
| Tax liability coverage transfers: shares are often sold to offset the tax liability from shares vesting AI | 2026-09-15 | 2026-09-14 | C3.Ai, Inc. | Siebel Thomas M | CEO and Chairman of the Board | Sell | 1 | 22,780 | $10.56 | $240,556.80 | 2.97% | View Filing |
| 10b5-1: Scheduled Form 4 Transaction AI | 2026-05-19 | 2026-05-18 | C3.Ai, Inc. | Siebel Thomas M | CEO and Chairman of the Board | Sell | 2 | 481,638 | $8.70 | $4,192,042.38 | 25.00% | View Filing |
| Tax liability coverage transfers: shares are often sold to offset the tax liability from shares vesting AI | 2026-03-13 | 2026-03-12 | C3.Ai, Inc. | Siebel Thomas M | Executive Chairman | Sell | 1 | 23,435 | $9.11 | $213,492.85 | 3.05% | View Filing |
| Tax liability coverage transfers: shares are often sold to offset the tax liability from shares vesting AI | 2026-03-03 | 2026-03-02 | C3.Ai, Inc. | Siebel Thomas M | Executive Chairman | Sell | 1 | 17,655 | $7.79 | $137,532.45 | 2.34% | View Filing |