David H Wang

ACMR

David H Wang serves as director, 10 percent owner, officer: See Remarks at ACM Research, Inc. (ACMR). This page tracks their complete SEC Form 4 insider trading history including stock purchases and sales.

Total Buys

0 trades

$0.00

Total Sells

23 trades

$46.61M

Net Position

Net Seller

$46.61M

Companies Traded

ACMR

Active Period

Mar 2021 – Mar 2026

23 total trades

Most Recent

Sell ACMR

Mar 13, 2026 · $5.15M

David H Wang's Insider Trading at ACM Research, Inc. (ACMR)

Buys

0 · $0.00

Sells

23 · $46.61M

Total Shares Bought

Total Shares Sold

1,586,311

ACMR Price Chart

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Date	Type	Shares	Avg Price	Value	Shares After
Mar 13, 2026	Sell	110,000	$46.86	$5.15M	842,147
Dec 3, 2025	Sell	130,000	$33.55	$4.36M	0
Sep 3, 2025	Sell	130,000	$26.61	$3.46M	0
May 21, 2025	Sell	130,000	$23.15	$3.01M	0
Mar 11, 2025	Sell	131,250	$27.02	$3.55M	0
Mar 3, 2025	Sell	4,048	$25.94	$105.0K	0
Nov 29, 2024	Sell	56,250	$17.44	$981.0K	0
Nov 26, 2024	Sell	56,250	$17.89	$1.01M	0
Nov 22, 2024	Sell	56,250	$19.08	$1.07M	0
Nov 14, 2024	Sell	7,262	$18.59	$135.0K	0
May 29, 2024	Sell	86,090	$22.62	$1.95M	0
May 22, 2024	Sell	45,000	$22.81	$1.03M	0
May 14, 2024	Sell	3,910	$23.02	$90.0K	0
Mar 14, 2024	Sell	87,089	$27.62	$2.41M	0
Mar 8, 2024	Sell	90,000	$30.36	$2.73M	0
Mar 1, 2024	Sell	2,911	$30.92	$90.0K	0
Nov 29, 2023	Sell	84,776	$17.14	$1.45M	0
Nov 22, 2023	Sell	90,000	$17.68	$1.59M	0
Nov 14, 2023	Sell	5,224	$17.23	$90.0K	0
Sep 12, 2023	Sell	175,116	$17.87	$3.13M	0
Sep 4, 2023	Sell	4,884	$18.43	$90.0K	0
Mar 18, 2021	Sell	99,228	$91.24	$9.05M	0
Mar 12, 2021	Sell	773	$97.05	$75.0K	0