Curtis Liu serves as Executive at Amplitude, Inc., where they oversee executive responsibilities. Since joining the company, Curtis Liu has executed 13 insider transactions totaling $15.2M, demonstrating a bearish approach to their equity position. Their most recent transaction on Nov 15, 2025 involved selling 36,092 shares valued at $387.3K.
Curtis Liu currently holds 756,952 shares of Amplitude, Inc. (AMPL), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, Curtis Liu has been a net seller of AMPL stock. They have purchased $0 and sold $15.2M worth of shares.
Curtis Liu's most recent insider trade was on Nov 15, 2025, when they sold 36,092 shares at $10.73 per share.
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| $11.47 |
| Discretionary |
| Feb 1, 2024 | AMPL | $100.0K | Option Exercise | 23,866 | $4.19 | Discretionary |
| Feb 1, 2024 | AMPL | $0 | Conversion | 23,866 | $N/A | Discretionary |
| Feb 1, 2023 | AMPL | $0 | Conversion | 23,866 | $N/A | Discretionary |
| Feb 1, 2023 | AMPL | $100.0K | Option Exercise | 23,866 | $4.19 | Discretionary |
| Feb 17, 2022 | AMPL | $0 | Conversion | 70,000 | $N/A | Discretionary |
| Feb 17, 2022 | AMPL | $0 | Conversion | 23,866 | $N/A | Discretionary |
| Feb 17, 2022 | AMPL | $293.3K | Option Exercise | 70,000 | $4.19 | Discretionary |
| Feb 17, 2022 | AMPL | $100.0K | Option Exercise | 23,866 | $4.19 | Discretionary |
| Sep 28, 2021 | AMPL | $7.2M | Sale | 142,000 | $50.91 | Discretionary |
| Sep 28, 2021 | AMPL | $7.9M | Sale | 158,772 | $50.00 | Discretionary |
| Sep 21, 2021 | AMPL | $0 | Conversion | 380,000 | $N/A | Discretionary |