Company Analysis

ACM Research, Inc. (ACMR)

Nasdaq: ACMR · Special Industry Machinery, NEC · Fremont, CA · filing with the SEC since 2016
Grade5.4
◀ Past 5.2● Present 5.8▶ Future 5.2

Filings

280 filings since 2017 beside 352 insider forms · Large accelerated filer · read from EDGAR on Nov 13, 2026
Due nextLarge accelerated filer
10-K Annual report for the fiscal year ending Dec 31, 2026Large accelerated filers have 60 days after the fiscal year ends. by Mar 1, 2027
10-Q Quarterly report for the quarter ending Mar 31, 2027Large accelerated filers have 40 days after the quarter ends; quarter ends are taken to the month end. by May 10, 2027

A deadline is the latest date the SEC's rules allow for its filer category. It is not a forecast of the day the company files. Last time, the results release (8-K item 2.02) came 36 days after the quarter ended. The proxy statement was last filed Apr 27, 2026.

Filings a yearinsider forms included
504950551061019072
20192020202120222023202420252026

2026 counts to Nov 13, 2026.

Officer or director change (8-K item 5.02): 4 times in the last 36 months, the newest Nov 3, 2026.
Insider forms 352

Insider forms (3, 4, 5 and 144) are counted each year but not listed here; the people and their trades are on the Ownership tab.

FiledFormWhat it is, in plain wordsPeriodAsk
Nov 6, 2026 10-Q Quarterly report Sep 30, 2026
Nov 5, 2026 8-K items 2.02, 9.01 Results released · Current report
Nov 3, 2026 8-K items 5.02, 9.01 Officer or director change · Current report Oct 1, 2026
Oct 28, 2026 8-K items 2.02, 9.01 Results released · Current report
Sep 30, 2026 8-K items 8.01, 9.01 Other event · Current report
Aug 27, 2026 8-K items 8.01, 9.01 Other event · Current report Aug 17, 2026
Aug 7, 2026 10-Q Quarterly report Jun 30, 2026
Aug 7, 2026 8-K items 2.02, 9.01 Results released · Current report
Jul 31, 2026 SCHEDULE 13G Large holder notice
Jun 22, 2026 8-K items 8.01, 9.01 Other event · Current report Jun 18, 2026
Jun 12, 2026 8-K item 5.07 Shareholder vote · Current report Jun 10, 2026
May 29, 2026 8-K items 8.01, 9.01 Other event · Current report May 26, 2026
May 22, 2026 8-K items 8.01, 9.01 Other event · Current report May 19, 2026
May 15, 2026 8-K item 8.01 Other event · Current report
May 12, 2026 424B5 Shelf offering
May 12, 2026 8-K items 1.01, 9.01 Major agreement signed · Current report
May 8, 2026 10-Q Quarterly report Mar 31, 2026
May 7, 2026 8-K items 2.02, 9.01 Results released · Current report
Apr 27, 2026 DEF 14A Proxy statement Jun 10, 2026
Apr 27, 2026 8-K items 2.02, 9.01 Results released · Current report
Apr 17, 2026 8-K items 8.01, 9.01 Other event · Current report
Mar 26, 2026 SCHEDULE 13G/A Large holder update, amended
Mar 24, 2026 8-K items 8.01, 9.01 Other event · Current report
Mar 19, 2026 8-K items 8.01, 9.01 Other event · Current report Mar 13, 2026
Mar 4, 2026 S-8 Employee stock plan registration
Mar 2, 2026 10-K Annual report Dec 31, 2025
Feb 26, 2026 8-K items 2.02, 9.01 Results released · Current report
Feb 6, 2026 8-K items 8.01, 9.01 Other event · Current report
Feb 4, 2026 8-K items 8.01, 9.01 Other event · Current report
Feb 3, 2026 8-K items 8.01, 9.01 Other event · Current report Feb 2, 2026
Jan 30, 2026 8-K items 8.01, 9.01 Other event · Current report
Jan 30, 2026 SCHEDULE 13G/A Large holder update, amended
Jan 22, 2026 8-K items 2.02, 9.01 Results released · Current report
Nov 21, 2025 8-K items 8.01, 9.01 Other event · Current report Nov 19, 2025
Nov 6, 2025 10-Q Quarterly report Sep 30, 2025
Nov 5, 2025 8-K items 2.02, 9.01 Results released · Current report
Oct 29, 2025 8-K items 2.02, 9.01 Results released · Current report
Oct 2, 2025 SCHEDULE 13G/A Large holder update, amended
Sep 29, 2025 8-K items 8.01, 9.01 Other event · Current report
Sep 24, 2025 8-K items 8.01, 9.01 Other event · Current report
40 of 280 shown

Every row opens the filing on EDGAR. The plain words are the site's own for each form and each 8-K item; the complete history, insider forms included, is on EDGAR.

SI Assistanton ACMR · research, not advice