Insider · CIK 0001721620

Wang Jian

Reports to the SEC for 1 company · FREMONT, CA

sec.gov

Transactions

Companies

Filings

CIK

0001721620

Forms 4 and 5

Insider transactions

33 trades

Date	Company	Role	Code	Shares	Price	Value	Shares after
2025-09-18	ACMRACM Research, Inc.M Exercise/Conversion	See remarks	MExercise/Conversion	+30K sh	$5.60	+$168K	283,158
2025-09-18	ACMRACM Research, Inc.S Sale	See remarks	SSale	−30K sh	$35.00	−$1.05M	253,158
2025-09-18	ACMRACM Research, Inc. · Stock OptionM Exercise/Conversion	See remarks	MExercise/Conversion	−30K sh	—	—	0
2025-08-25	ACMRACM Research, Inc.M Exercise/Conversion	See remarks	MExercise/Conversion	+30K sh	$5.60	+$168K	283,158
2025-08-25	ACMRACM Research, Inc.S Sale	See remarks	SSale	−30K sh	$32.00	−$960K	253,158
2025-08-25	ACMRACM Research, Inc. · Stock OptionM Exercise/Conversion	See remarks	MExercise/Conversion	−30K sh	—	—	30,000
2025-08-22	ACMRACM Research, Inc.M Exercise/Conversion	See remarks	MExercise/Conversion	+30K sh	$5.60	+$168K	283,158
2025-08-22	ACMRACM Research, Inc.S Sale	See remarks	SSale	−30K sh	$30.00	−$900K	253,158
2025-08-22	ACMRACM Research, Inc. · Stock OptionM Exercise/Conversion	See remarks	MExercise/Conversion	−30K sh	—	—	60,000
2024-06-11	ACMRACM Research, Inc.M Exercise/Conversion	See remarks	MExercise/Conversion	+30K sh	$4.62	+$139K	283,158
2024-06-11	ACMRACM Research, Inc.S Sale	See remarks	SSale	−28.3K sh	$22.98	−$651K	254,838
2024-06-11	ACMRACM Research, Inc.S Sale	See remarks	SSale	−1,680 sh	$23.68	−$39.8K	253,158
2024-06-11	ACMRACM Research, Inc. · Stock OptionM Exercise/Conversion	See remarks	MExercise/Conversion	−30K sh	—	—	0
2024-06-10	ACMRACM Research, Inc.M Exercise/Conversion	See remarks	MExercise/Conversion	+30K sh	$4.62	+$139K	283,158
2024-06-10	ACMRACM Research, Inc.S Sale	See remarks	SSale	−30K sh	$22.07	−$662K	253,158
2024-06-10	ACMRACM Research, Inc. · Stock OptionM Exercise/Conversion	See remarks	MExercise/Conversion	−30K sh	—	—	30,000
2024-06-07	ACMRACM Research, Inc.M Exercise/Conversion	See remarks	MExercise/Conversion	+30K sh	$4.62	+$139K	283,158
2024-06-07	ACMRACM Research, Inc.S Sale	See remarks	SSale	−30K sh	$22.07	−$662K	253,158
2024-06-07	ACMRACM Research, Inc. · Stock OptionM Exercise/Conversion	See remarks	MExercise/Conversion	−30K sh	—	—	60,000
2024-06-06	ACMRACM Research, Inc.M Exercise/Conversion	See remarks	MExercise/Conversion	+30K sh	$4.62	+$139K	283,158
2024-06-06	ACMRACM Research, Inc.S Sale	See remarks	SSale	−30K sh	$22.92	−$688K	253,158
2024-06-06	ACMRACM Research, Inc. · Stock OptionM Exercise/Conversion	See remarks	MExercise/Conversion	−30K sh	—	—	90,000
2023-02-12	ACMRACM Research, Inc. · Stock OptionA Award	See remarks	AAward	+15K sh	—	—	15,000
2020-12-30	ACMRACM Research, Inc.S Sale	See remarks	SSale	−32.5K sh	$78.00	−$2.53M	84,386
2020-09-09	ACMRACM Research, Inc.M Exercise/Conversion	See remarks	MExercise/Conversion	+33.3K sh	$1.50	+$50K	117,720
2020-09-09	ACMRACM Research, Inc.F Tax Payment	See remarks	FTax Payment	−848 sh	$58.97	−$50K	116,872
2020-09-09	ACMRACM Research, Inc. · Stock OptionM Exercise/Conversion	See remarks	MExercise/Conversion	−33.3K sh	—	—	0
2020-03-31	ACMRACM Research, Inc.J Other	See remarks	JOther	−243K sh	—	—	0
2019-08-23	ACMRACM Research, Inc.D Disposition to Issuer	See remarks	DDisposition to Issuer	−155K sh	$13.20	−$2.04M	327,067
2019-04-23	ACMRACM Research, Inc. · Stock OptionsA Award	See remarks	AAward	+30K sh	—	—	30,000
2018-08-01	ACMRACM Research, Inc. · Stock OptionsA Award	See remarks	AAward	+40K sh	—	—	40,000
2018-04-02	ACMRACM Research, Inc.X Exercise of In-Money	See remarks	XExercise of In-Money	+398K sh	$7.50	+$2.98M	481,888
2018-04-02	ACMRACM Research, Inc. · Warrant (Right to Buy)X Exercise of In-Money	See remarks	XExercise of In-Money	−398K sh	—	—	0

Recent filings

Accepted (ET)
Sep 194
Wang Jian0001140361-25-035581
SEC(opens sec.gov)
Aug 264
Wang Jian0001140361-25-032732
SEC(opens sec.gov)
Jun 124
Wang Jian0001140361-24-029892
SEC(opens sec.gov)
Jun 74
Wang Jian0001140361-24-029352
SEC(opens sec.gov)

Companies

ACM Research, Inc.See remarksACMR

Address

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

FREMONT, CA, 94539