Thomas M Siebel
Director, CEO and Chairman of the Board, 10% Owner; Director, Executive Chairman, 10% Owner · 18 filings · Latest: Oct 13, 2026
C3.ai, Inc.
| Ticker | Owner | Relationship | Date | Transaction | Cost | #Shares | Value ($) | #Shares Total | SEC Filing |
|---|---|---|---|---|---|---|---|---|---|
AI | Thomas M Siebel | Director, CEO and Chairman of the Board, 10% Owner | Jun 15, 2026 | Sale | $11.11 | 472,005 | $5.2M | 722,362 | |
AI | Thomas M Siebel | Director, CEO and Chairman of the Board, 10% Owner | Jun 15, 2026 | Option Exercise | $2.04 | 472,005 | $962.9K | 1,194,367 | |
AI | Thomas M Siebel | Director, CEO and Chairman of the Board, 10% Owner | Jun 12, 2026 | Sale | $10.92 | 23,570 | $257.4K | 743,559 | |
AI | Thomas M Siebel | Director, CEO and Chairman of the Board, 10% Owner | Jun 11, 2026 | Option Exercise | — | 44,767 | — | 767,129 | |
AI | Thomas M Siebel | Director, CEO and Chairman of the Board, 10% Owner | Jun 2, 2026 | Sale | $11.32 | 17,350 | $196.4K | 6,904,415 | |
AI | Thomas M Siebel | Director, CEO and Chairman of the Board, 10% Owner | Jun 1, 2026 | Option Exercise | $11.10 | 6,199,403 | $68.8M | 6,921,765 | |
AI | Thomas M Siebel | Director, CEO and Chairman of the Board, 10% Owner | May 18, 2026 | Sale | $8.65 | 112,014 | $968.9K | 722,362 | |
AI | Thomas M Siebel | Director, CEO and Chairman of the Board, 10% Owner | May 18, 2026 | Option Exercise | $2.04 | 112,014 | $228.5K | 834,376 | |
AI | Thomas M Siebel | Director, CEO and Chairman of the Board, 10% Owner | May 15, 2026 | Sale | $8.72 | 369,624 | $3.2M | 722,362 | |
AI | Thomas M Siebel | Director, CEO and Chairman of the Board, 10% Owner | May 15, 2026 | Option Exercise | $2.04 | 369,624 | $754.0K | 1,091,986 | |
AI | Thomas M Siebel | Director, Executive Chairman, 10% Owner | May 4, 2026 | Sale | $9.27 | 27,210 | $252.2K | 748,277 | |
AI | Thomas M Siebel | Director, Executive Chairman, 10% Owner | May 1, 2026 | Option Exercise | — | 53,125 | — | 775,487 | |
AI | Thomas M. Siebel | — | May 4, 2026 | Proposed Sale | $9.16 | 74,000 | $677.8K | — | |
AI | Thomas M Siebel | Director, Executive Chairman, 10% Owner | Apr 14, 2026 | Sale | $8.49 | 165,278 | $1.4M | 722,362 | |
AI | Thomas M Siebel | Director, Executive Chairman, 10% Owner | Apr 14, 2026 | Option Exercise | $2.04 | 165,278 | $337.2K | 887,640 | |
AI | Thomas M Siebel | Director, Executive Chairman, 10% Owner | Apr 13, 2026 | Sale | $8.31 | 326,189 | $2.7M | 722,362 | |
AI | Thomas M Siebel | Director, Executive Chairman, 10% Owner | Apr 13, 2026 | Option Exercise | $2.04 | 326,189 | $665.4K | 1,048,551 | |
AI | Thomas M Siebel | Director, Executive Chairman, 10% Owner | Mar 18, 2026 | Sale | $8.67 | 219,294 | $1.9M | 722,362 | |
AI | Thomas M Siebel | Director, Executive Chairman, 10% Owner | Mar 18, 2026 | Option Exercise | $2.04 | 219,294 | $447.4K | 941,656 | |
AI | Thomas M Siebel | Director, Executive Chairman, 10% Owner | Mar 17, 2026 | Sale | $8.86 | 282,203 | $2.5M | 722,362 |