Liu Curtis

Business address
C/O Amplitude, Inc., 201 Third Street, Suite 200, San Francisco, CA, 94103
Top holdings (ownership)
AMPL
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Liu Curtis has filed 14 SEC EDGAR filings since 21 Sep 2021

Latest Filings

Form type Document Filing Description Filing date Reporting date File number(s)
4 Open Document Open Filing PRIMARY DOCUMENT 18 Nov 2025 15 Nov 2025 001-40817
4 Open Document Open Filing PRIMARY DOCUMENT 19 Aug 2025 15 Aug 2025 001-40817
4 Open Document Open Filing PRIMARY DOCUMENT 19 May 2025 15 May 2025 001-40817
4 Open Document Open Filing PRIMARY DOCUMENT 29 Apr 2025 25 Apr 2025 001-40817
SC 13G/A Open Document Open Filing SC 13G/A 13 Nov 2024
SC 13G/A Open Document Open Filing SC 13G/A 13 Feb 2024
4 Open Document Open Filing PRIMARY DOCUMENT 05 Feb 2024 01 Feb 2024 001-40817
SC 13G/A Open Document Open Filing SC 13G/A 13 Feb 2023
4 Open Document Open Filing PRIMARY DOCUMENT 03 Feb 2023 01 Feb 2023 001-40817
4 Open Document Open Filing FORM 4 23 Feb 2022 17 Feb 2022 001-40817
SC 13G Open Document Open Filing SC 13G 14 Feb 2022
4 Open Document Open Filing FORM 4 SUBMISSION 30 Sep 2021 28 Sep 2021 001-40817
4 Open Document Open Filing FORM 4 SUBMISSION 23 Sep 2021 24 Jun 2021 001-40817
3 Open Document Open Filing FORM 3 SUBMISSION 21 Sep 2021 21 Sep 2021 001-40817