Curtis Liu

AMPL

Curtis Liu serves as director, 10 percent owner, officer: Chief Technology Officer at Amplitude, Inc. (AMPL). This page tracks their complete SEC Form 4 insider trading history including stock purchases and sales.

Total Buys

0 trades

$0.00

Total Sells

8 trades

$17.08M

Net Position

Net Seller

$17.08M

Companies Traded

AMPL

Active Period

Sep 2021 – May 2026

8 total trades

Most Recent

Sell AMPL

May 6, 2026 · $142.9K

Curtis Liu's Insider Trading at Amplitude, Inc. (AMPL)

Buys

0 · $0.00

Sells

8 · $17.08M

Total Shares Bought

Total Shares Sold

504,218

AMPL Price Chart

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Date	Type	Shares	Avg Price	Value	Shares After
May 6, 2026	Sell	17,586	$8.12	$142.9K	1,067,259
Mar 10, 2026	Sell	33,201	$8.01	$265.8K	603,756
Mar 9, 2026	Sell	30,061	$8.00	$240.5K	636,957
Feb 17, 2026	Sell	26,672	$6.34	$169.1K	0
Nov 15, 2025	Sell	36,092	$10.73	$387.3K	0
Aug 15, 2025	Sell	34,301	$11.47	$393.4K	0
May 15, 2025	Sell	25,533	$12.14	$310.0K	0
Sep 28, 2021	Sell	300,772	$50.43	$15.17M	0