Insider · CIK 0001729184

Chen Fuping

Reports to the SEC for 1 company · FREMONT, CA

sec.gov

Transactions

Companies

Filings

CIK

0001729184

Forms 4 and 5

Insider transactions

23 trades

Date	Company	Role	Code	Shares	Price	Value	Shares after
2025-12-03	ACMRACM Research, Inc.S Sale	See remarks	SSale	−300 sh	$33.57	−$10.1K	0
2025-12-03	ACMRACM Research, Inc.M Exercise/Conversion	See remarks	MExercise/Conversion	+20K sh	$1.77	+$35.4K	20,000
2025-12-03	ACMRACM Research, Inc. · Stock OptionM Exercise/Conversion	See remarks	MExercise/Conversion	−20K sh	—	—	21,165
2025-12-03	ACMRACM Research, Inc.S Sale	See remarks	SSale	−19.7K sh	$33.05	−$651K	300
2025-12-02	ACMRACM Research, Inc.M Exercise/Conversion	See remarks	MExercise/Conversion	+100K sh	$1.77	+$177K	100,000
2025-12-02	ACMRACM Research, Inc.S Sale	See remarks	SSale	−100K sh	$33.20	−$3.32M	0
2025-12-02	ACMRACM Research, Inc. · Stock OptionM Exercise/Conversion	See remarks	MExercise/Conversion	−100K sh	—	—	41,165
2024-09-21	ACMRACM Research, Inc. · Stock OptionA Award	See remarks	AAward	+30K sh	—	—	30,000
2023-08-23	ACMRACM Research, Inc.M Exercise/Conversion	See remarks	MExercise/Conversion	+96.2K sh	$1.00	+$96.2K	96,165
2023-08-23	ACMRACM Research, Inc.M Exercise/Conversion	See remarks	MExercise/Conversion	+8,835 sh	$1.77	+$15.6K	105,000
2023-08-23	ACMRACM Research, Inc.S Sale	See remarks	SSale	−105K sh	$15.00	−$1.58M	0
2023-08-23	ACMRACM Research, Inc. · Stock OptionM Exercise/Conversion	See remarks	MExercise/Conversion	−46.2K sh	—	—	0
2023-08-23	ACMRACM Research, Inc. · Stock OptionM Exercise/Conversion	See remarks	MExercise/Conversion	−50K sh	—	—	0
2023-08-23	ACMRACM Research, Inc. · Stock OptionM Exercise/Conversion	See remarks	MExercise/Conversion	−8,835 sh	—	—	141,165
2022-12-30	ACMRACM Research, Inc. · Stock OptionA Award	See remarks	AAward	+13.5K sh	—	—	13,500
2022-12-30	ACMRACM Research, Inc. · Stock OptionA Award	See remarks	AAward	+3,000 sh	—	—	3,000
2021-09-14	ACMRACM Research, Inc. · Stock OptionA Award	See remarks	AAward	+10K sh	—	—	10,000
2021-02-12	ACMRACM Research, Inc.S Sale	See remarks	SSale	−30K sh	$120.00	−$3.6M	0
2021-02-12	ACMRACM Research, Inc.M Exercise/Conversion	See remarks	MExercise/Conversion	+30K sh	$3.00	+$90K	30,000
2021-02-12	ACMRACM Research, Inc. · Stock OptionM Exercise/Conversion	See remarks	MExercise/Conversion	−30K sh	—	—	16,667
2019-09-30	ACMRACM Research, Inc. · Stock OptionD Disposition to Issuer	See remarks	DDisposition to Issuer	−17.9K sh	$10.20	−$183K	15,388
2019-08-23	ACMRACM Research, Inc.D Disposition to Issuer	See remarks	DDisposition to Issuer	−17.9K sh	$13.20	−$237K	0
2019-08-04	ACMRACM Research, Inc. · Stock OptionA Award	See remarks	AAward	+10K sh	—	—	10,000

Recent filings

Accepted (ET)
Dec 44
Chen Fuping0001140361-25-044360
SEC(opens sec.gov)
Sep 244
Chen Fuping0001140361-24-041747
SEC(opens sec.gov)
Aug 254
Chen Fuping0001140361-23-041326
SEC(opens sec.gov)
Feb 144/A
Chen Fuping0001140361-23-007064
SEC(opens sec.gov)
Jan 44
Chen Fuping0001140361-23-000515
SEC(opens sec.gov)
Sep 164
Chen Fuping0001140361-21-031489
SEC(opens sec.gov)
Feb 164
Chen Fuping0001140361-21-005065
SEC(opens sec.gov)

Companies

ACM Research, Inc.See remarksACMR

Address

C/O ACM RESEARCH, INC. 42307 OSGOOD ROAD, SUITE I

FREMONT, CA, 94539