SIEBEL THOMAS M (CIK 1031530) reported 114 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-06-03). Recent activity: Buy AI (32,736 shares), Buy AI (6.2M shares), Sell AI (17,350 shares), Sell AI (6.2M shares), Buy AI (6.2M shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-06-03 | C3.ai, Inc. (AI) | CEO and Chairman of the Board | Buy | 32,736 | $0 |
| 2026-06-03 | C3.ai, Inc. (AI) | CEO and Chairman of the Board | Buy | 6.2M | $68.8M |
| 2026-06-03 | C3.ai, Inc. (AI) | CEO and Chairman of the Board | Sell | 17,350 | $196,402 |
| 2026-06-03 | C3.ai, Inc. (AI) | CEO and Chairman of the Board | Sell | 6.2M | $0 |
| 2026-06-03 | C3.ai, Inc. (AI) | CEO and Chairman of the Board | Buy | 6.2M | $0 |
| 2026-05-19 | C3.ai, Inc. (AI) | CEO and Chairman of the Board | Buy | 369,624 | $754,033 |
| 2026-05-19 | C3.ai, Inc. (AI) | CEO and Chairman of the Board | Sell | 369,624 | $3.2M |
| 2026-05-19 | C3.ai, Inc. (AI) | CEO and Chairman of the Board | Buy | 112,014 | $228,509 |
| 2026-05-19 | C3.ai, Inc. (AI) | CEO and Chairman of the Board | Sell | 112,014 | $968,921 |
| 2026-04-15 | C3.ai, Inc. (AI) | Executive Chairman | Sell | 165,278 | $1.4M |
| 2026-04-15 | C3.ai, Inc. (AI) | Executive Chairman | Sell | 326,189 | $2.7M |
| 2026-04-15 | C3.ai, Inc. (AI) | Executive Chairman | Buy | 165,278 | $337,167 |
| 2026-04-15 | C3.ai, Inc. (AI) | Executive Chairman | Buy | 326,189 | $665,426 |
| 2026-03-19 | C3.ai, Inc. (AI) | Executive Chairman | Buy | 282,203 | $575,694 |
| 2026-03-19 | C3.ai, Inc. (AI) | Executive Chairman | Sell | 282,203 | $2.5M |
| 2026-03-19 | C3.ai, Inc. (AI) | Executive Chairman | Buy | 219,294 | $447,360 |
| 2026-03-19 | C3.ai, Inc. (AI) | Executive Chairman | Sell | 219,294 | $1.9M |
| 2026-03-13 | C3.ai, Inc. (AI) | Executive Chairman | Buy | 44,766 | $0 |
| 2026-03-13 | C3.ai, Inc. (AI) | Executive Chairman | Sell | 23,435 | $213,493 |
| 2026-03-13 | C3.ai, Inc. (AI) | Executive Chairman | Sell | 21,331 | $0 |
| 2026-03-13 | C3.ai, Inc. (AI) | Executive Chairman | Buy | 21,331 | $0 |
| 2026-03-03 | C3.ai, Inc. (AI) | Executive Chairman | Buy | 32,736 | $0 |
| 2026-03-03 | C3.ai, Inc. (AI) | Executive Chairman | Sell | 17,655 | $137,532 |
| 2026-03-03 | C3.ai, Inc. (AI) | Executive Chairman | Sell | 15,081 | $0 |
| 2026-03-03 | C3.ai, Inc. (AI) | Executive Chairman | Buy | 15,081 | $0 |
Source: SEC Form 4 filings · as of 2026-06-03