SIEBEL THOMAS M (CIK 1031530) reported 120 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-08-13). Recent activity: Buy AI (453,314 shares), Sell AI (453,314 shares), Buy AI (283,334 shares), Sell AI (139,500 shares), Sell AI (143,834 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-08-13 | C3.ai, Inc. (AI) | CEO and Chairman of the Board | Buy | 453,314 | $1.8M |
| 2026-08-13 | C3.ai, Inc. (AI) | CEO and Chairman of the Board | Sell | 453,314 | $4.8M |
| 2026-08-04 | C3.ai, Inc. (AI) | CEO and Chairman of the Board | Buy | 283,334 | $0 |
| 2026-08-04 | C3.ai, Inc. (AI) | CEO and Chairman of the Board | Sell | 139,500 | $1.3M |
| 2026-08-04 | C3.ai, Inc. (AI) | CEO and Chairman of the Board | Sell | 143,834 | $0 |
| 2026-08-04 | C3.ai, Inc. (AI) | CEO and Chairman of the Board | Buy | 143,834 | $0 |
| 2026-07-16 | C3.ai, Inc. (AI) | CEO and Chairman of the Board | Buy | 264,100 | $538,764 |
| 2026-07-16 | C3.ai, Inc. (AI) | CEO and Chairman of the Board | Sell | 264,100 | $2.4M |
| 2026-07-16 | C3.ai, Inc. (AI) | CEO and Chairman of the Board | Buy | 64,975 | $132,549 |
| 2026-07-16 | C3.ai, Inc. (AI) | CEO and Chairman of the Board | Sell | 64,975 | $604,917 |
| 2026-07-16 | C3.ai, Inc. (AI) | CEO and Chairman of the Board | Buy | 133,490 | $520,611 |
| 2026-07-16 | C3.ai, Inc. (AI) | CEO and Chairman of the Board | Sell | 133,490 | $1.2M |
| 2026-06-15 | C3.ai, Inc. (AI) | CEO and Chairman of the Board | Buy | 44,767 | $0 |
| 2026-06-15 | C3.ai, Inc. (AI) | CEO and Chairman of the Board | Sell | 23,570 | $257,384 |
| 2026-06-15 | C3.ai, Inc. (AI) | CEO and Chairman of the Board | Sell | 21,197 | $0 |
| 2026-06-15 | C3.ai, Inc. (AI) | CEO and Chairman of the Board | Buy | 21,197 | $0 |
| 2026-06-15 | C3.ai, Inc. (AI) | CEO and Chairman of the Board | Buy | 472,005 | $962,890 |
| 2026-06-15 | C3.ai, Inc. (AI) | CEO and Chairman of the Board | Sell | 472,005 | $5.2M |
| 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 |
Source: SEC Form 4 filings · as of 2026-08-13