Time on boards
- Boards served
- 1
- Current seats
- 1
- Board service
- 2 years
- Director since
- 2025
2 years of board service in total across 1 board, counting each seat separately. Longest: Amplitude Inc., 1 year.
Amplitude Inc.
Director
Shareholder support
Support is votes for as a share of votes for and against (or withheld). Below 80% is a clear protest.
-
Amplitude Inc. June 6, 202594.8%
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 |
|---|---|---|---|---|---|
| Oct 5, 2026 | Amplitude Inc. | Grant or award | +818 | — | — |
| Jul 5, 2026 | Amplitude Inc. | Grant or award | +1,521 | — | — |
| Apr 5, 2026 | Amplitude Inc. | Grant or award | +1,538 | — | — |
| Jan 5, 2026 | Amplitude Inc. | Grant or award | +999 | — | — |
| Oct 5, 2025 | Amplitude Inc. | Grant or award | +977 | — | — |
| Jul 5, 2025 | Amplitude Inc. | Grant or award | +894 | — | — |
| Apr 5, 2025 | Amplitude Inc. | Grant or award | +398 | — | — |
| Feb 22, 2025 | Amplitude Inc. | Grant or award | +44,462 | — | — |
Questions about Tien Tzuo
What boards is Tien Tzuo on?
Tien Tzuo sits on the board of Amplitude Inc.
How long has Tien Tzuo served on boards?
Our records show at least 2 years of board service across 1 board, the earliest from 2025.
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