Haiping Dun

Insider Reports History

Location
Fremont, CA
Signature
/s/ Mark McKechnie, Attorney-in-Fact for Haiping Dun
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 Haiping Dun:

Company Role Class Num Shares Value Price $ Report Date Ownership
ACM Research, Inc. Director Class A Common Stock 755,090 $29,546,671 $39.13 12 Nov 2025 Haiping Dun & Chi-Pin H Dun Revocable Trust
ACM Research, Inc. Director Class A Common Stock 0 $0 $39.13 12 Nov 2025 Direct
ACM Research, Inc. Director Stock Option 20,000 12 Aug 2025 Direct

Insider Reports Filed by Haiping Dun

Symbol Company Period Transactions Value $ Form Type Role Filing Time
ACMR ACM Research, Inc. 12 Nov 2025 1 $0 4 Director 14 Nov 2025, 16:33
ACMR ACM Research, Inc. 12 Aug 2025 1 $0 4 Director 14 Aug 2025, 16:30
ACMR ACM Research, Inc. 14 Mar 2025 2 -$275,976 4 Director 18 Mar 2025, 21:30
ACMR ACM Research, Inc. 10 Mar 2025 1 -$398,127 4 Director 12 Mar 2025, 16:30
ACMR ACM Research, Inc. 03 Mar 2025 3 -$2.58 4 Director 05 Mar 2025, 16:30
ACMR ACM Research, Inc. 29 Nov 2024 1 -$332,181 4 Director 03 Dec 2024, 16:32
ACMR ACM Research, Inc. 22 Nov 2024 1 -$286,800 4 Director 26 Nov 2024, 16:30
ACMR ACM Research, Inc. 14 Nov 2024 3 -$11.78 4 Director 18 Nov 2024, 16:32
ACMR ACM Research, Inc. 29 Aug 2024 1 -$345,274 4 Director 03 Sep 2024, 16:30
ACMR ACM Research, Inc. 22 Aug 2024 1 -$297,750 4 Director 26 Aug 2024, 16:30
ACMR ACM Research, Inc. 14 Aug 2024 3 -$0.14 4 Director 16 Aug 2024, 21:02
ACMR ACM Research, Inc. 12 Aug 2024 1 $0 4 Director 20 Aug 2024, 21:00
ACMR ACM Research, Inc. 27 Jun 2024 2 $0 4 Director 01 Jul 2024, 16:30
ACMR ACM Research, Inc. 29 May 2024 1 -$435,379 4 Director 31 May 2024, 16:30
ACMR ACM Research, Inc. 22 May 2024 1 -$343,200 4 Director 24 May 2024, 16:30
ACMR ACM Research, Inc. 14 May 2024 3 -$18.22 4 Director 16 May 2024, 09:00
ACMR ACM Research, Inc. 14 Mar 2024 2 -$538,376 4 Director 15 Mar 2024, 21:32
ACMR ACM Research, Inc. 08 Mar 2024 1 -$455,400 4 Director 12 Mar 2024, 21:30
ACMR ACM Research, Inc. 01 Mar 2024 3 -$0.72 4 Director 05 Mar 2024, 21:31
ACMR ACM Research, Inc. 29 Nov 2023 1 -$327,474 4 Director 01 Dec 2023, 16:15
ACMR ACM Research, Inc. 22 Nov 2023 1 -$264,900 4 Director 27 Nov 2023, 16:24
ACMR ACM Research, Inc. 14 Nov 2023 3 -$5.68 4 Director 16 Nov 2023, 16:15
ACMR ACM Research, Inc. 22 Aug 2023 1 -$444,557 4 Director 24 Aug 2023, 21:13
ACMR ACM Research, Inc. 10 Aug 2023 2 $0 4/A Director 21 Aug 2023, 22:19
ACMR ACM Research, Inc. 01 Jun 2023 1 -$375,000 4 Director 05 Jun 2023, 18:26
ACMR ACM Research, Inc. 22 May 2023 3 -$9.44 4 Director 24 May 2023, 18:33
ACMR ACM Research, Inc. 16 Mar 2023 1 -$452,250 4 Director 20 Mar 2023, 20:55
ACMR ACM Research, Inc. 09 Mar 2023 3 -$4.88 4 Director 13 Mar 2023, 21:02
ACMR ACM Research, Inc. 30 Nov 2022 1 -$297,807 4 Director 02 Dec 2022, 16:31
ACMR ACM Research, Inc. 22 Nov 2022 3 -$2.99 4 Director 25 Nov 2022, 16:30
ACMR ACM Research, Inc. 14 Nov 2022 3 -$4.4 4 Director 15 Nov 2022, 20:03
ACMR ACM Research, Inc. 22 Aug 2022 1 -$588,246 4 Director 24 Aug 2022, 21:01
ACMR ACM Research, Inc. 15 Aug 2022 4 +$704,067 4 Director 17 Aug 2022, 18:00
ACMR ACM Research, Inc. 08 Aug 2022 3 -$16.53 4 Director 10 Aug 2022, 17:00
ACMR ACM Research, Inc. 30 Jun 2022 1 $0 4 Director 05 Jul 2022, 17:31
ACMR ACM Research, Inc. 27 May 2022 1 -$542,250 4 Director 31 May 2022, 21:03
ACMR ACM Research, Inc. 18 May 2022 3 -$1.5 4 Director 20 May 2022, 21:50
ACMR ACM Research, Inc. 09 Mar 2022 5 -$988,698 4 Director 11 Mar 2022, 16:08
ACMR ACM Research, Inc. 02 Mar 2022 3 -$67.26 4 Director 04 Mar 2022, 16:26