InsidersTradesSigma
Total declarations
Company
▲ Purchases (0 ops.)
▼ Sales (4 ops.)
Insider track record
ExecutiveDisclosed buys
0
Disclosed sells
4
Not enough buy signals with a settled T+90 horizon to measure a track record yet.
Signal history
Discover the detailed record of transactions filed by Liu Curtis, Chief Technology Officer. Officer active across 1 company, notably Amplitude, Inc.. Cumulatively, 15 reports have been logged. Breakdown: 0 buy · 4 sells. Total volume traded: €7.4m. History available since 21 September 2021. The latest transaction was filed on 17 August 2026 (Retenue fiscale). Regulator: SEC (Form 4). All data is openly available.
Companies and markets linked to Liu Curtis
Open company profiles for insider transactions, fundamentals and analyst consensus when available.
Declarations15 total
53,878 shares@ US$13.030.042% mcap6.3% of flowClass A Common StockSEC:0001866692-26-000013:0
22,201 shares@ US$8.02590.0099% mcap1.0% of flowClass A Common StockSEC:0001883022-26-000014:0
417,827 shares0Class A Common StockSEC:0001883022-26-000008:0
33,201 shares@ US$8.0070.015% mcap1.5% of flowClass A Common StockSEC:0001883022-26-000006:0
30,061 shares@ US$8.00172.3% of flowClass A Common StockSEC:0001883022-26-000005:0
26,672 shares@ US$6.340.9% of flowClass A Common StockSEC:0001883022-26-000002:0
36,092 shares@ US$10.732.1% of flowClass A Common StockSEC:0001883022-25-000003:0
34,301 shares@ US$11.472.2% of flowClass A Common StockSEC:0001562180-25-005897:0
25,533 shares@ US$12.141.8% of flowClass A Common StockSEC:0001562180-25-004004:0
852,878 shares0Class A Common StockSEC:0001562180-25-003350:0
23,866 shares@ US$4.190.6% of flowClass A Common StockSEC:0001562180-24-001049:0
23,866 shares@ US$4.190.6% of flowClass A Common StockSEC:0001562180-23-000989:0
70,000 shares@ US$4.192.8% of flowClass A Common StockSEC:0001567619-22-005406:0
158,772 shares@ US$50.0074.9% of flowClass A Common StockSEC:0000899243-21-038472:0
380,000 shares0Class A Common StockSEC:0000899243-21-037513:0
15 of 15 declarations
About Liu Curtis
Liu Curtis is Chief Technology Officer at Amplitude, Inc. (XNAS). Across 14 filings, the 14 sampled filings run from 2021-09-23 to 2026-06-03, with EUR 0 in buys and EUR 7382216 in sales, and the modal transaction nature is sell.
