Thomas M Siebel sold $7.6M of AI
Executive Chairman at C3.ai, Inc.. 532,832 shares at an average of $14.33, traded Dec 16, 2025, filed Dec 18, 2025.
Score components
- +20RoleChair
- +25Trade size$7.6M at market
- +10Share of holdings soldSold 36% of holdings
- +8Cluster2 insiders selling within 14 days
- -2010b5-1 planPre-scheduled under a 10b5-1 plan
What happened after comparable sells
Same side and tier, against the S&P 500, at 1, 3 and 6 months. Shown to Pro users; the whole table is on the backtest page.
Price around the trade, and since
From a quarter before the trade to today. The arrow is the trade, the circle the day the filing reached EDGAR, which is the first day anyone outside could act; the dotted line is the S&P 500 rebased to that day's close.
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value; the dashed line is the close on the filing day, the dotted line SPY rebased to it.Charts by TradingView Lightweight Charts™
Rows in this filing
Every transaction in Form 4 0001031530-25-000016, as filed. Open on EDGAR
| Date | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|
| Dec 16, 2025 | SOpen-market sale Class A Common Stockindirect: See Footnote10b5-1 | -392,064 | $14.37 | $5.6M | 1,082,613 | Dec 18, 2025 |
| Dec 17, 2025 | SOpen-market sale Class A Common Stockindirect: See Footnote10b5-1 | -140,768 | $14.22 | $2.0M | 941,845 | Dec 18, 2025 |
Related signals
Other insiders at C3.ai, Inc. and this insider’s other filings.
| Score | Company | Insider | Value | Holdings | Filed |
|---|---|---|---|---|---|
| 33Weak | C3.ai, Inc. | Thomas M Siebel CEO and Chairman of the Board | $4.8M 444,248 shares | -44% | |
| 27Weak | C3.ai, Inc. | Hitesh Lath CHIEF FINANCIAL OFFICER | $221k 21,077 shares | -5% | |
| 31Weak | C3.ai, Inc. | Thomas M Siebel CEO and Chairman of the Board | $241k 22,780 shares | -3% | |
| 29Weak | C3.ai, Inc. | Thomas M Siebel CEO and Chairman of the Board | $174k 16,890 shares | -2% | |
| 27Weak | C3.ai, Inc. | Hitesh Lath CHIEF FINANCIAL OFFICER | $216k 15,042 shares | -6% | |
| 28Weak | C3.ai, Inc. | Thomas M Siebel Executive Chairman | $367k 23,000 shares | -3% | |
| 46Moderate | C3.ai, Inc. | Thomas M Siebel Executive Chairman | $242k 17,000 shares | -52% | |
| 35Weak | C3.ai, Inc. | Thomas M Siebel Executive Chairman | $8.3M 543,706 shares | -27% | |
| 43Moderate | AIsell C3.ai, Inc. | Thomas M Siebel Executive Chairman | $477k 27,545 shares | -52% | |
| 38Weak | C3.ai, Inc. | Thomas M Siebel Executive Chairman | $10M 554,802 shares | -22% |
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.