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ACM Research, Inc. — DEFR14A Filings

4 DEFR14A filings on record

This page lists all DEFR14A filings submitted to the SEC by ACM Research, Inc. (ACMR), sorted by most recent first. Each row links to the full filing on EdgarLookup. ACM Research, Inc. has filed 4 DEFR14A documents with the SEC since 2016. To view all SEC filings by ACM Research, Inc., see the full filings list.

Overview All Filings Financials Insiders
All 10-K 10-K/A 10-Q 10-Q/A 144 3 3/A 4 4/A 424B4 424B5 8-A12B 8-K CERTNAS CORRESP D DEF 14A DEFA14A DEFR14A DRS DRS/A EFFECT NT 10-K PRE 14A RW S-1 S-1/A S-3 S-3/A S-3ASR S-8 SC 13D SC 13D/A SC 13G SC 13G/A SCHEDULE 13G/A UPLOAD
Form Description Accession Number Filed Period
DEFR14A DEFR14A 0001140361-23-026247 May 23, 2023 —
DEFR14A DEFR14A 0001140361-22-020154 May 23, 2022 —
DEFR14A DEFR14A 0001140361-22-020153 May 23, 2022 —
DEFR14A REVISED PROXY STATEMENT 0001654954-18-004788 May 4, 2018 —