Thomas M. Siebel
Chief Executive Officer at C3.ai Inc.
Sits on 1 board. Last updated September 28, 2026
Time on boards
- Boards served
- 1
- Current seats
- 1
- Board service
- 4 years
- Director since
- 2023
4 years of board service in total across 1 board, counting each seat separately. Longest: C3.ai Inc., 3 years.
C3.ai Inc.
Director · CHIEF EXECUTIVE OFFICER
Chief executive roles
C3.ai Inc.
· Chief Executive Officer
Dates unknown
Insider trades
All notable trades →From SEC Forms 4 and 5. Open-market purchases and sales are highlighted; grants, option exercises and shares withheld for tax are routine.
| Date | Company | Transaction | Shares | Price | Value |
|---|---|---|---|---|---|
| Sep 4, 2024 | C3.ai Inc. | Gift | −537,634 | — | — |
| Sep 4, 2024 | C3.ai Inc. | Gift | +537,634 | — | — |
| Sep 3, 2024 | C3.ai Inc. | Gift | −16,145 | — | — |
| Sep 3, 2024 | C3.ai Inc. | Gift | +16,145 | — | — |
| Sep 1, 2024 | C3.ai Inc. | Option exercise | +32,736 | — | — |
| Sep 1, 2024 | C3.ai Inc. | Shares withheld for tax | −16,591 | $23.34 | $387,234 |
| Aug 30, 2024 | C3.ai Inc. | Option exercise | +537,634 | $1.86 | $999,999 |
| Aug 6, 2024 | C3.ai Inc. | Gift | −20,635 | — | — |
| Aug 6, 2024 | C3.ai Inc. | Gift | +20,635 | — | — |
| Aug 5, 2024 | C3.ai Inc. | Grant or award | +41,841 | — | — |
| Aug 5, 2024 | C3.ai Inc. | Shares withheld for tax | −21,206 | $23.90 | $506,823 |
| Aug 5, 2024 | C3.ai Inc. | Gift | −566,666 | — | — |
| Aug 5, 2024 | C3.ai Inc. | Gift | +566,666 | — | — |
| Aug 2, 2024 | C3.ai Inc. | Option exercise | +566,666 | — | — |
| Aug 2, 2024 | C3.ai Inc. | Gift | −26,201 | — | — |
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