ACM Research, Inc. — DEFA14A Filings
8 DEFA14A filings on record
This page lists all DEFA14A 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 8 DEFA14A documents with the SEC since 2016. To view all SEC filings by ACM Research, Inc., see the full filings list.
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 |
|---|---|---|---|---|
| DEFA14A | DEFA14A | 0001140361-25-016317 | Apr 29, 2025 | — |
| DEFA14A | DEFA14A | 0001140361-24-022555 | Apr 26, 2024 | — |
| DEFA14A | DEFA14A | 0001140361-23-022036 | May 1, 2023 | — |
| DEFA14A | DEFA14A | 0001140361-22-020073 | May 20, 2022 | — |
| DEFA14A | DEFA14A | 0001140361-21-018401 | May 21, 2021 | — |
| DEFA14A | DEFA14A | 0001140361-21-014155 | Apr 23, 2021 | — |
| DEFA14A | DEFA14A | 0001140361-20-009588 | Apr 23, 2020 | — |
| DEFA14A | DEFA14A | 0001654954-18-004620 | May 1, 2018 | — |