Who
Thomas M. Siebel
CEO and Chairman of the Board
Company insider
Files Form 4 as: CEO and Chairman of the Board, C3.ai; Chairman of the Board, Siebel Systems.
In numbers
- Trades disclosed
- 510
- Buys
- 0
- Sells
- 71
- Bought
- $0
- Sold
- $696.1M
- Companies
- 2
- Companies where not an officer
- 0
- First trade
- 31 Jan 2006
- Last trade
- 13 Oct 2026
- Last filed
- 14 Oct 2026
Companies traded
Activity over time
1 Nov 2024 – 1 Oct 2026
Buys above the line, sells below, each month.
Every trade
| Traded | Company | What | Amount | |
|---|---|---|---|---|
| 13 Oct 2026filed 14 Oct 2026 | AI C3.aiSoftware | SEC FORM 4 Code M | $1.7M435,363 at $3.90 | filing |
| 13 Oct 2026filed 14 Oct 2026 | AI C3.aiSoftware | SEC FORM 4 Sold | $5.1M435,363 at $11.82 | filing |
| 13 Oct 2026filed 14 Oct 2026 | AI C3.aioption or derivative · Software | SEC FORM 4 Code M | —435,363 at $0.00 | filing |
| 30 Sep 2026filed 2 Oct 2026 | AI C3.aiSoftware | SEC FORM 4 Code G | —239 at $0.00 | filing |
| 30 Sep 2026filed 2 Oct 2026 | AI C3.aiSoftware | SEC FORM 4 Code G | —239 at $0.00 | filing |
| 30 Sep 2026filed 2 Oct 2026 | AI C3.aiSoftware | SEC FORM 4 Code G | —239 at $0.00 | filing |
| 30 Sep 2026filed 2 Oct 2026 | AI C3.aiSoftware | SEC FORM 4 Code G | —239 at $0.00 | filing |
| 30 Sep 2026filed 2 Oct 2026 | AI C3.aioption or derivative · Software | SEC FORM 4 Code G | —106,793 at $0.00 | filing |
| 30 Sep 2026filed 2 Oct 2026 | AI C3.aioption or derivative · Software | SEC FORM 4 Code G | —106,793 at $0.00 | filing |
| 30 Sep 2026filed 2 Oct 2026 | AI C3.aioption or derivative · Software | SEC FORM 4 Code G | —106,793 at $0.00 | filing |
| 30 Sep 2026filed 2 Oct 2026 | AI C3.aioption or derivative · Software | SEC FORM 4 Code G | —106,793 at $0.00 | filing |
| 16 Sep 2026filed 17 Sep 2026 | AI C3.aiSoftware | SEC FORM 4 Code M | $633K162,247 at $3.90 | filing |
| 16 Sep 2026filed 17 Sep 2026 | AI C3.aioption or derivative · Software | SEC FORM 4 Code M | —162,247 at $0.00 | filing |
| 16 Sep 2026filed 17 Sep 2026 | AI C3.aiSoftware | SEC FORM 4 Sold | $1.7M162,247 at $10.54 | filing |
| 16 Sep 2026filed 17 Sep 2026 | AI C3.aioption or derivative · Software | SEC FORM 4 Code M | —162,247 at $0.00 | filing |
| 16 Sep 2026filed 17 Sep 2026 | AI C3.aiSoftware | SEC FORM 4 Code M | $633K162,247 at $3.90 | filing |
| 16 Sep 2026filed 17 Sep 2026 | AI C3.aiSoftware | SEC FORM 4 Sold | $1.7M162,247 at $10.54 | filing |
| 15 Sep 2026filed 17 Sep 2026 | AI C3.aiSoftware | SEC FORM 4 Code M | $1.1M282,001 at $3.90 | filing |
| 15 Sep 2026filed 17 Sep 2026 | AI C3.aiSoftware | SEC FORM 4 Sold | $3.1M282,001 at $10.90 | filing |
| 15 Sep 2026filed 17 Sep 2026 | AI C3.aioption or derivative · Software | SEC FORM 4 Code M | —282,001 at $0.00 | filing |
The newest 500 lines are listed; the numbers count every line.
News
C3.ai (NYSE:AI) CFO Hitesh Lath Sells 20,000 Shares of StockAI · tickerreport.com · 15 Oct 2026C3.ai (NYSE:AI) CEO Thomas Siebel Sells 435,363 Shares of StockAI · themarketsdaily.com · 15 Oct 2026Workiva (NYSE:WK) and C3.ai (NYSE:AI) Head-To-Head AnalysisAI · themarketsdaily.com · 15 Oct 2026
0 headlines in the last 90 days name Thomas M. Siebel; 3 articles from the last 14 days about the 1 company they traded most, at most three about any one of them.