Liu Curtis - Insider Non-Derivative Transactions at Amplitude, Inc. (AMPL) - (SEC)

Updated on January 3, 2026.

According to recent SEC insider information filed on Nov 15, 2025, Liu Curtis's relationship to Amplitude, Inc. (AMPL) is Director,Officer,TenPercentOwner (Chief Technology Officer), and currently has 756,952 shares of Class A Common Stock.

The chart below shows 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.

Liu Curtis - Insider Non-Derivative Transactions of AMPL Class A Common Stock

Liu Curtis - Insider Non-Derivative Transactions at AMPL

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Date	Transaction	No. of Shares	Price Per Share	Shares Owned After Transactions
Nov 16, 2025	F -- (Class A Common Stock)	36092	10.73	756952
Aug 16, 2025	F -- (Class A Common Stock)	34301	11.47	793044
May 16, 2025	F -- (Class A Common Stock)	25533	12.14	827345
Apr 26, 2025	Acquisition -- (Class A Common Stock)	852878	0	852878
Feb 2, 2024	C -- (Class A Common Stock)	23866	0	0
Feb 2, 2024	M -- (Class A Common Stock)	23866	4.19	23866
Feb 2, 2023	C -- (Class A Common Stock)	23866	0	0
Feb 2, 2023	M -- (Class A Common Stock)	23866	4.19	23866