ACM Research, Inc.

ACMR·NASDAQ·$86.46Share Price as of 11/2·$6BMarket Cap as of 11/2

Financials

10-QQ2 ended 06/30/2608/07/26 10-QQ1 ended 03/31/2605/08/26 10-KFY 202503/02/26 10-QQ3 ended 09/30/2511/06/25 10-QQ2 ended 06/30/2508/07/25

Disclosures

8-KCurrent report10/28/26 8-KCurrent report09/30/26 8-KCurrent report08/27/26 8-KCurrent report08/07/26 8-KCurrent report06/22/26

Prospectuses and Registrations

424B5Prospectus supplement05/12/26 S-8Registration of securities for employees03/04/26 S-8Registration of securities for employees03/03/25 S-3ASRAutomatic shelf registration03/18/24 S-8Registration of securities for employees03/18/24

Proxies

DEF 14ADefinitive proxy04/27/26 DEF 14ADefinitive proxy04/29/25 DEFA14AAdditional proxy materials04/29/25 DEF 14ADefinitive proxy04/26/24 DEFA14AAdditional proxy materials04/26/24

Ownership

Form 4Insider transaction09/10/26 144Proposed sale of securities09/09/26 144Proposed sale of securities09/08/26 Form 4Insider transaction08/26/26 Form 4Insider transaction08/26/26

Other

UPLOADLetter from the SEC09/07/23 CORRESPCorrespondence with the SEC08/18/23 UPLOADLetter from the SEC08/04/23 NT 10-KLate filing notification (10-K)03/02/23 UPLOADLetter from the SEC02/10/23