David H. Wang

Insider Reports History

Location
Fremont, CA
Signature
/s/ Mark McKechnie, Attorney-in-Fact for David H. Wang
All insider transactions
Transactions in reports broken out by “transaction date” reported in original SEC filing, see here for transactions aggregated across transaction date

Holdings reported by David H. Wang:

Company Role Class Num Shares Value Price $ Report Date Ownership
ACM Research, Inc. Chief Executive Officer, President and Director, Director, 10%+ Owner Class A Common Stock 802,708 $27,629,209 $34.42 04 Dec 2025 Direct
ACM Research, Inc. Chief Executive Officer, President and Director, Director, 10%+ Owner Class A Common Stock 620,001 $20,236,832 $32.64 03 Dec 2025 By Wang-Chen Family Living Trust
ACM Research, Inc. Chief Executive Officer, President and Director, Director, 10%+ Owner Class A Common Stock 180,000 $5,875,200 $32.64 03 Dec 2025 By David Hui Wang and Jing Chen Family Irrevocable Trust for Wang Children
ACM Research, Inc. Chief Executive Officer, President and Director, Director, 10%+ Owner Class A Common Stock 100,002 $3,264,065 $32.64 03 Dec 2025 By Jing Chen, wife of David H. Wang
ACM Research, Inc. Chief Executive Officer, President and Director, Director, 10%+ Owner Class A Common Stock 45,837 $1,496,119 $32.64 03 Dec 2025 By Sophia Wang, daughter of David H. Wang
ACM Research, Inc. Chief Executive Officer, President and Director, Director, 10%+ Owner Stock Option 480,002 04 Dec 2025 Direct

Insider Reports Filed by David H. Wang

Symbol Company Period Transactions Value $ Form Type Role Filing Time
ACMR ACM Research, Inc. 03 Dec 2025 8 -$4,231,477 4 Chief Executive Officer, President and Director, Director, 10%+ Owner 05 Dec 2025, 16:30
ACMR ACM Research, Inc. 27 Oct 2025 1 $0 4 Chief Executive Officer, President and Director, Director, 10%+ Owner 29 Oct 2025, 21:30
ACMR ACM Research, Inc. 08 Sep 2025 2 +$130,000 4 Chief Executive Officer, President and Director, Director, 10%+ Owner 30 Sep 2025, 21:33
ACMR ACM Research, Inc. 03 Sep 2025 7 -$3,329,787 4 Chief Executive Officer, President and Director, Director, 10%+ Owner 05 Sep 2025, 16:30
ACMR ACM Research, Inc. 21 May 2025 7 -$2,879,804 4 Chief Executive Officer, President and Director, Director, 10%+ Owner 23 May 2025, 16:35
ACMR ACM Research, Inc. 11 Mar 2025 4 -$3,546,554 4 Chief Executive Officer, President and Director, Director, 10%+ Owner 13 Mar 2025, 21:30
ACMR ACM Research, Inc. 03 Mar 2025 3 -$5.12 4 Chief Executive Officer, President and Director, Director, 10%+ Owner 05 Mar 2025, 16:30
ACMR ACM Research, Inc. 29 Nov 2024 1 -$981,000 4 Chief Executive Officer, President and Director, Director, 10%+ Owner 03 Dec 2024, 16:30
ACMR ACM Research, Inc. 26 Nov 2024 2 -$1,006,087 4 Chief Executive Officer, President and Director, Director, 10%+ Owner 29 Nov 2024, 16:30
ACMR ACM Research, Inc. 22 Nov 2024 1 -$1,073,250 4 Chief Executive Officer, President and Director, Director, 10%+ Owner 26 Nov 2024, 16:30
ACMR ACM Research, Inc. 14 Nov 2024 3 -$0.58 4 Chief Executive Officer, President and Director, Director, 10%+ Owner 18 Nov 2024, 16:30
ACMR ACM Research, Inc. 29 May 2024 2 -$1,947,356 4 Chief Executive Officer, President and Director, Director, 10%+ Owner 31 May 2024, 16:30
ACMR ACM Research, Inc. 22 May 2024 2 -$2,052,900 4 Chief Executive Officer, President and Director, Director, 10%+ Owner 24 May 2024, 16:30
ACMR ACM Research, Inc. 14 May 2024 3 -$8.2 4 Chief Executive Officer, President and Director, Director, 10%+ Owner 16 May 2024, 09:00
ACMR ACM Research, Inc. 14 Mar 2024 2 -$2,405,050 4 Chief Executive Officer, President and Director, Director, 10%+ Owner 15 Mar 2024, 21:32
ACMR ACM Research, Inc. 08 Mar 2024 2 -$2,731,950 4 Chief Executive Officer, President and Director, Director, 10%+ Owner 12 Mar 2024, 21:30
ACMR ACM Research, Inc. 01 Mar 2024 3 -$8.12 4 Chief Executive Officer, President and Director, Director, 10%+ Owner 05 Mar 2024, 21:33
ACMR ACM Research, Inc. 29 Nov 2023 2 -$1,452,663 4 Chief Executive Officer, President and Director, Director, 10%+ Owner 01 Dec 2023, 16:15
ACMR ACM Research, Inc. 22 Nov 2023 2 -$1,590,750 4 Chief Executive Officer, President and Director, Director, 10%+ Owner 27 Nov 2023, 16:30
ACMR ACM Research, Inc. 14 Nov 2023 3 -$9.52 4 Chief Executive Officer, President and Director, Director, 10%+ Owner 16 Nov 2023, 16:15
ACMR ACM Research, Inc. 12 Sep 2023 3 -$3,130,016 4 Chief Executive Officer, President and Director, Director, 10%+ Owner 14 Sep 2023, 17:00
ACMR ACM Research, Inc. 04 Sep 2023 3 -$12.12 4 Chief Executive Officer, President and Director, Director, 10%+ Owner 06 Sep 2023, 21:40
ACMR ACM Research, Inc. 10 Aug 2023 1 $0 4/A Chief Executive Officer, President and Director, Director, 10%+ Owner 21 Aug 2023, 21:19