Haiping Dun

Entity
Individual
Business address
C/O Acm Research, Inc., 42307 Osgood Road, Suite I, 94539 Fremont, CA
Insider ownership signature
/s/ Mark McKechnie, Attorney-in-Fact for Haiping Dun
All SEC filings
View on sec.gov
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Haiping Dun has filed 60 SEC EDGAR filings since 11/2/2017

Latest Filings

Form type Document Filing Description Filing date Reporting date File number(s)
4 Open Document Open Filing FORM 4 Nov 14, 2025 Nov 12, 2025 001-38273
4 Open Document Open Filing FORM 4 Aug 14, 2025 Aug 12, 2025 001-38273
4 Open Document Open Filing FORM 4 Mar 18, 2025 Mar 14, 2025 001-38273
144 Open Document Open Filing Mar 14, 2025
4 Open Document Open Filing FORM 4 Mar 12, 2025 Mar 10, 2025 001-38273
144 Open Document Open Filing Mar 10, 2025
4 Open Document Open Filing FORM 4 Mar 5, 2025 Mar 3, 2025 001-38273
4 Open Document Open Filing FORM 4 Dec 3, 2024 Nov 29, 2024 001-38273
144 Open Document Open Filing Nov 29, 2024
4 Open Document Open Filing FORM 4 Nov 26, 2024 Nov 22, 2024 001-38273
144 Open Document Open Filing Nov 22, 2024
4 Open Document Open Filing FORM 4 Nov 18, 2024 Nov 14, 2024 001-38273
4 Open Document Open Filing FORM 4 Sep 3, 2024 Aug 29, 2024 001-38273
144 Open Document Open Filing Aug 29, 2024
4 Open Document Open Filing FORM 4 Aug 26, 2024 Aug 22, 2024 001-38273
144 Open Document Open Filing Aug 22, 2024
4 Open Document Open Filing FORM 4 Aug 20, 2024 Aug 12, 2024 001-38273
4 Open Document Open Filing FORM 4 Aug 16, 2024 Aug 14, 2024 001-38273
4 Open Document Open Filing FORM 4 Jul 1, 2024 Jun 27, 2024 001-38273
4 Open Document Open Filing FORM 4 May 31, 2024 May 29, 2024 001-38273
144 Open Document Open Filing May 29, 2024
4 Open Document Open Filing FORM 4 May 24, 2024 May 22, 2024 001-38273
144 Open Document Open Filing May 22, 2024
4 Open Document Open Filing FORM 4 May 16, 2024 May 14, 2024 001-38273
4 Open Document Open Filing FORM 4 Mar 15, 2024 Mar 14, 2024 001-38273
144 Open Document Open Filing Mar 14, 2024
4 Open Document Open Filing FORM 4 Mar 12, 2024 Mar 8, 2024 001-38273
144 Open Document Open Filing Mar 8, 2024
4 Open Document Open Filing FORM 4 Mar 5, 2024 Mar 1, 2024 001-38273
4 Open Document Open Filing Dec 1, 2023 Nov 29, 2023 001-38273
144 Open Document Open Filing Nov 29, 2023
4 Open Document Open Filing Nov 27, 2023 Nov 22, 2023 001-38273
144 Open Document Open Filing Nov 22, 2023
4 Open Document Open Filing Nov 16, 2023 Nov 14, 2023 001-38273
4 Open Document Open Filing Aug 24, 2023 Aug 22, 2023 001-38273
144 Open Document Open Filing Aug 22, 2023
4/A Open Document Open Filing Aug 21, 2023 Aug 10, 2023 001-38273
4 Open Document Open Filing Aug 14, 2023 Aug 10, 2023 001-38273
4 Open Document Open Filing Jun 5, 2023 Jun 1, 2023 001-38273
144 Open Document Open Filing Jun 1, 2023
4 Open Document Open Filing May 24, 2023 May 22, 2023 001-38273
4 Open Document Open Filing Mar 20, 2023 Mar 16, 2023 001-38273
4 Open Document Open Filing Mar 13, 2023 Mar 9, 2023 001-38273
4 Open Document Open Filing Dec 2, 2022 Nov 30, 2022 001-38273
4 Open Document Open Filing Nov 25, 2022 Nov 22, 2022 001-38273
4 Open Document Open Filing Nov 15, 2022 Nov 14, 2022 001-38273
4 Open Document Open Filing FORM 4 Aug 24, 2022 Aug 22, 2022 001-38273
4 Open Document Open Filing FORM 4 Aug 17, 2022 Aug 15, 2022 001-38273
4 Open Document Open Filing FORM 4 Aug 10, 2022 Aug 8, 2022 001-38273
4 Open Document Open Filing FORM 4 Jul 5, 2022 Jun 30, 2022 001-38273
4 Open Document Open Filing FORM 4 May 31, 2022 May 27, 2022 001-38273
4 Open Document Open Filing FORM 4 May 20, 2022 May 18, 2022 001-38273
4 Open Document Open Filing FORM 4 Mar 11, 2022 Mar 9, 2022 001-38273
4 Open Document Open Filing FORM 4 Mar 4, 2022 Mar 2, 2022 001-38273
4/A Open Document Open Filing FORM 4/A Mar 5, 2021 Feb 22, 2021 001-38273
4 Open Document Open Filing FORM 4 Mar 3, 2021 Feb 22, 2021 001-38273
4 Open Document Open Filing FORM 4 Mar 24, 2020 Mar 20, 2020 001-38273
4 Open Document Open Filing PRIMARY DOCUMENT Aug 27, 2019 Aug 23, 2019 001-38273
4 Open Document Open Filing PRIMARY DOCUMENT Apr 25, 2019 Apr 23, 2019 001-38273
3 Open Document Open Filing FORM 3 SUBMISSION Nov 2, 2017 Nov 2, 2017 001-38273