Tzuo Tien - Insider Non-Derivative Transactions at Amplitude, Inc. (AMPL) - (SEC)
Updated on January 3, 2026.
According to recent SEC insider information filed on Oct 5, 2025, Tzuo Tien's relationship to Amplitude, Inc. (AMPL) is Director, and currently has 97,543 shares of Class A Common Stock, and 95,672 shares of Common Stock.
The charts below show the number of shares owned, and the table shows the recent insider transactions.
You can see similar information for other AMPL insiders.
Related Topics: SEC Topic List.
Data Source: SEC.
Tzuo Tien - Insider Non-Derivative Transactions of AMPL Class A Common Stock
Tzuo Tien - Insider Non-Derivative Transactions at AMPL
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| Date | Transaction | No. of Shares | Price Per Share | Shares Owned After Transactions |
|---|---|---|---|---|
| Oct 6, 2025 | Acquisition -- (Class A Common Stock) | 977 | 0 | 97543 |
| Jul 6, 2025 | Acquisition -- (Class A Common Stock) | 894 | 0 | 96566 |
| Apr 6, 2025 | Acquisition -- (Common Stock) | 398 | 0 | 95672 |
| Feb 23, 2025 | Acquisition -- (Class A Common Stock) | 44462 | 0 | 95274 |