Michael Tiedemann
Chief Executive Officer at AlTi Global 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: AlTi Global Inc., 3 years.
AlTi Global Inc.
Director · Chief Executive Officer
Chief executive roles
AlTi Global Inc.
· Chief Executive Officer
2023 – 2026
· Former
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 |
|---|---|---|---|---|---|
| Feb 15, 2026 | AlTi Global Inc. | Option exercise | +25,546 | — | — |
| Feb 15, 2026 | AlTi Global Inc. | Option exercise | +57,910 | — | — |
| Feb 15, 2026 | AlTi Global Inc. | Option exercise | +85,752 | — | — |
| Jun 3, 2025 | AlTi Global Inc. | Open-market sale | −42,199 | $3.47 | $146,430 |
| Feb 15, 2025 | AlTi Global Inc. | Option exercise | +25,546 | — | — |
| Feb 15, 2025 | AlTi Global Inc. | Option exercise | +57,910 | — | — |
| Sep 3, 2024 | AlTi Global Inc. | Gift | +13,975 | — | — |
| Jun 3, 2024 | AlTi Global Inc. | Open-market purchase | +22,721 | $4.87 | $110,651 |
| Jun 3, 2024 | AlTi Global Inc. | Open-market purchase | +24,652 | $4.86 | $119,809 |
| May 23, 2024 | AlTi Global Inc. | Open-market purchase | +20,000 | $4.52 | $90,400 |
| May 21, 2024 | AlTi Global Inc. | Open-market purchase | +22,296 | $4.39 | $97,879 |
| May 21, 2024 | AlTi Global Inc. | Open-market purchase | +21,072 | $4.41 | $92,928 |
| May 20, 2024 | AlTi Global Inc. | Open-market purchase | +20,000 | $4.55 | $91,000 |
| May 20, 2024 | AlTi Global Inc. | Open-market purchase | +20,000 | $4.53 | $90,600 |
| May 16, 2024 | AlTi Global Inc. | Open-market purchase | +60,000 | $4.66 | $279,600 |
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