Liu Curtis

Business address
C/O Amplitude, Inc., 201 Third Street, Suite 200, San Francisco, CA, 94103
Get insider transactions for this reporting owner
Liu Curtis has filed 14 SEC EDGAR filings since 9/21/2021

Latest Filings

Form type Document Filing Description Filing date Reporting date File number(s)
4 Open Document Open Filing PRIMARY DOCUMENT Nov 18, 2025 Nov 15, 2025 001-40817
4 Open Document Open Filing PRIMARY DOCUMENT Aug 19, 2025 Aug 15, 2025 001-40817
4 Open Document Open Filing PRIMARY DOCUMENT May 19, 2025 May 15, 2025 001-40817
4 Open Document Open Filing PRIMARY DOCUMENT Apr 29, 2025 Apr 25, 2025 001-40817
SC 13G/A Open Document Open Filing SC 13G/A Nov 13, 2024
SC 13G/A Open Document Open Filing SC 13G/A Feb 13, 2024
4 Open Document Open Filing PRIMARY DOCUMENT Feb 5, 2024 Feb 1, 2024 001-40817
SC 13G/A Open Document Open Filing SC 13G/A Feb 13, 2023
4 Open Document Open Filing PRIMARY DOCUMENT Feb 3, 2023 Feb 1, 2023 001-40817
4 Open Document Open Filing FORM 4 Feb 23, 2022 Feb 17, 2022 001-40817
SC 13G Open Document Open Filing SC 13G Feb 14, 2022
4 Open Document Open Filing FORM 4 SUBMISSION Sep 30, 2021 Sep 28, 2021 001-40817
4 Open Document Open Filing FORM 4 SUBMISSION Sep 23, 2021 Jun 24, 2021 001-40817
3 Open Document Open Filing FORM 3 SUBMISSION Sep 21, 2021 Sep 21, 2021 001-40817