0001140361-23-026456.txt : 20230524
0001140361-23-026456.hdr.sgml : 20230524
20230524183309
ACCESSION NUMBER: 0001140361-23-026456
CONFORMED SUBMISSION TYPE: 4
PUBLIC DOCUMENT COUNT: 1
CONFORMED PERIOD OF REPORT: 20230522
FILED AS OF DATE: 20230524
DATE AS OF CHANGE: 20230524
REPORTING-OWNER:
OWNER DATA:
COMPANY CONFORMED NAME: Dun Haiping
CENTRAL INDEX KEY: 0001721581
FILING VALUES:
FORM TYPE: 4
SEC ACT: 1934 Act
SEC FILE NUMBER: 001-38273
FILM NUMBER: 23955445
MAIL ADDRESS:
STREET 1: C/O ACM RESEARCH, INC.
STREET 2: 42307 OSGOOD ROAD, SUITE I
CITY: FREMONT
STATE: CA
ZIP: 94539
ISSUER:
COMPANY DATA:
COMPANY CONFORMED NAME: ACM Research, Inc.
CENTRAL INDEX KEY: 0001680062
STANDARD INDUSTRIAL CLASSIFICATION: SPECIAL INDUSTRY MACHINERY, NEC [3559]
IRS NUMBER: 000000000
STATE OF INCORPORATION: CA
FISCAL YEAR END: 1231
BUSINESS ADDRESS:
STREET 1: 42307 OSGOOD ROAD, SUITE I
CITY: FREMONT
STATE: CA
ZIP: 94539
BUSINESS PHONE: 510-445-3700
MAIL ADDRESS:
STREET 1: 42307 OSGOOD ROAD, SUITE I
CITY: FREMONT
STATE: CA
ZIP: 94539
4
1
form4.xml
X0407
4
2023-05-22
0001680062
ACM Research, Inc.
ACMR
0001721581
Dun Haiping
C/O ACM RESEARCH, INC.
42307 OSGOOD ROAD, SUITE I
FREMONT
CA
94539
true
false
Class A Common Stock
2023-05-22
4
M
0
37500
0.5
A
926616
D
Class A Common Stock
2023-05-22
4
F
0
1928
9.73
D
924688
D
Stock Option
0.5
2023-05-22
4
M
0
37500
0
D
2025-04-30
Class A Common Stock
37500
200001
D
On May 22, 2023, the reporting person exercised, by net exercise, a previously issued stock option to purchase 37,500 shares of Class A Common Stock of the Issuer. The reporting person paid the exercise price on a cashless basis, resulting in the Issuer withholding 1,928 shares of Class A Common Stock for payment of the exercise price, based on the closing price of the Issuer's Class A Common Stock on May 19, 2023 of $9.73, and issuing to the reporting person the remaining 35,572 shares of Class A Common Stock.
The option is fully vested and exercisable.
/s/ Mark McKechnie, Attorney-in-Fact for Haiping Dun
2023-05-24