Wang David H (CIK 0001721580)

Latest company ownership

Shares held
2,428,550
Last filed at
Dec 5, 2025
Confidence Score
35.9
2025Q4
Confidence Score History
2019Q3 2025Q4

Recent buy/sell transactions

Exec date Filing date Company Role Signal Confidence Shares % of shares Under plan? Amount (USD)
Dec 3, 2025 Dec 5, 2025 ACM Research, Inc. Officer Sell 32.5 -130,000 -3.00% $4.4M
Sep 3, 2025 Sep 5, 2025 ACM Research, Inc. Officer Sell 32.5 -130,000 -4.20% $3.5M
May 21, 2025 May 23, 2025 ACM Research, Inc. Officer Sell 32.5 -130,000 -4.20% $3M
Mar 11, 2025 Mar 13, 2025 ACM Research, Inc. Officer Sell 23.8 -131,250 -7.50% $3.5M
Mar 3, 2025 Mar 5, 2025 ACM Research, Inc. Officer Sell 40.0 -4,048 -0.23% $105K
Nov 29, 2024 Dec 3, 2024 ACM Research, Inc. Officer Sell 35.0 -56,250 -3.52% $981K
Nov 26, 2024 Nov 29, 2024 ACM Research, Inc. Officer Sell 32.5 -56,250 -3.40% $1M
Nov 22, 2024 Nov 26, 2024 ACM Research, Inc. Officer Sell 32.5 -56,250 -3.28% $1.1M
Nov 14, 2024 Nov 18, 2024 ACM Research, Inc. Officer Sell 40.0 -7,262 -0.42% $135K
May 29, 2024 May 31, 2024 ACM Research, Inc. Officer Sell 27.5 -86,090 -5.61% $1.9M
May 22, 2024 May 24, 2024 ACM Research, Inc. Officer Sell 27.5 -90,000 -5.54% $2.1M
May 14, 2024 May 16, 2024 ACM Research, Inc. Officer Sell 40.0 -3,910 -0.24% $90K
Mar 14, 2024 Mar 15, 2024 ACM Research, Inc. Officer Sell 27.5 -87,089 -5.67% $2.4M
Mar 8, 2024 Mar 12, 2024 ACM Research, Inc. Officer Sell 27.5 -90,000 -5.53% $2.7M
Mar 1, 2024 Mar 5, 2024 ACM Research, Inc. Officer Sell 47.5 -2,911 -0.18% $90K
Nov 29, 2023 Dec 1, 2023 ACM Research, Inc. Officer Sell 27.5 -84,776 -5.52% $1.5M
Nov 22, 2023 Nov 27, 2023 ACM Research, Inc. Officer Sell 27.5 -90,000 -5.54% $1.6M
Nov 14, 2023 Nov 16, 2023 ACM Research, Inc. Officer Sell 40.0 -5,224 -0.32% $90K
Sep 12, 2023 Sep 14, 2023 ACM Research, Inc. Officer Sell 20.0 -175,116 -10.78% $3.1M
Sep 4, 2023 Sep 6, 2023 ACM Research, Inc. Officer Sell 40.0 -4,884 -0.30% $90K
Mar 18, 2021 Mar 22, 2021 ACM Research, Inc. Officer Sell 13.8 -99,228 -17.03% $9.1M
Mar 12, 2021 Mar 16, 2021 ACM Research, Inc. Officer Sell 47.5 -773 -0.13% $75K
Dec 3, 2020 Dec 7, 2020 ACM Research, Inc. Officer Sell 13.8 -98,983 -17.00% $7.9M
Nov 25, 2020 Nov 27, 2020 ACM Research, Inc. Officer Sell 47.5 -1,017 -0.13% $75K
Sep 3, 2020 Sep 4, 2020 ACM Research, Inc. Officer Sell 18.8 -69,453 -12.57% $5.7M
Aug 27, 2020 Aug 31, 2020 ACM Research, Inc. Officer Sell 47.5 -547 -0.10% $52.5K
Aug 23, 2019 Aug 27, 2019 ACM Research, Inc. Officer Sell 20.0 -28,661 -5.99% $378.2K