Liu Curtis
Chief Technology Officer
Liu Curtis has filed 10 SEC Form 4 filings (10 transaction rows) across 1 company, with disclosures dating back to 2025. 10 of those filings fall inside the rolling window. Most recent filing: Aug 18, 2026.
On the most recent filing, Liu Curtis is listed as Chief Technology Officer at Amplitude, Inc. Inside the rolling window, Liu Curtis reported no open-market purchases and 4 open-market sales totaling $1.0M in AMPL. The largest disclosed transaction in the window is a sale of 44,987 AMPL shares on Jun 1, 2026, worth $361K.
Companies traded
Other insiders at AMPL
Insider Buying
$0
reported purchases (SEC code P)
Insider Selling
$1.0M
reported sales (SEC code S)
Companies
1
in the rolling window
Frequently asked questions
How many SEC Form 4 filings has Liu Curtis made?
Liu Curtis has filed 10 SEC Form 4 filings (10 transaction rows) across 1 company since 2025.
Which companies does Liu Curtis trade?
Liu Curtis has filed SEC Form 4 disclosures for 1 company, including AMPL.
When was Liu Curtis's most recent SEC Form 4 filing?
Liu Curtis's most recent SEC Form 4 filing on Tracefour is dated Aug 18, 2026.
What is Liu Curtis's job title?
On the most recent SEC Form 4 filings tracked by Tracefour, Liu Curtis is listed as Chief Technology Officer.
What is Liu Curtis's total buy and sell value in the current window?
Inside the rolling retention window, Liu Curtis bought $0 and sold $1.0M based on SEC Form 4 filings.
What was Liu Curtis's largest disclosed transaction?
The largest disclosed transaction in the current window is a sale of 44,987 AMPL shares on 2026-06-01, worth $361K, per SEC Form 4 filings.