Wang David H Insider Trades

Insider Trading History

Track insider trading activity for Wang David H. See latest buy and sell transactions across all companies.

Holdings

Company
Holding Value
Last Transaction
Sale/Purchase
Amount
Price
Current Price

Insider Trades History

Company
Holding Value
Last Transaction
Sale/Purchase
Amount
Price
Current Price
ACM Research
ACM Research ACMR
10% owner, See Remarks
Holding Value $83.3M 842,710 shares
Last Trade
Jun 04, 2026 Purchase (Option Exercise)Shares acquired or sold by exercising stock options or converting another derivative security.
$3.61M 40,002 shares
$90.20
$98.90
ACM Research
ACM Research ACMR
10% owner, See Remarks
Holding Value $26.7M 270,000 shares
Last Trade
Jun 04, 2026 Sale (Option Exercise)Shares acquired or sold by exercising stock options or converting another derivative security.
$3.61M 40,002 shares
$90.20
$98.90
ACM Research
ACM Research ACMR
10% owner, See Remarks
Holding Value $83.1M 840,650 shares
Last Trade
Jun 04, 2026 Sale (Open Market)Shares sold on the open market or in a private sale.
$3.43M 40,002 shares
$85.80
$98.90
ACM Research
ACM Research ACMR
10% owner, See Remarks
Holding Value $85.3M 862,708 shares
Last Trade
Jun 03, 2026 Purchase (Option Exercise)Shares acquired or sold by exercising stock options or converting another derivative security.
$5.33M 60,000 shares
$88.86
$98.90
ACM Research
ACM Research ACMR
10% owner, See Remarks
Holding Value $84.9M 858,408 shares
Last Trade
Jun 03, 2026 Sale (Open Market)Shares sold on the open market or in a private sale.
$5.4M 60,000 shares
$90.05
$98.90
ACM Research
ACM Research ACMR
10% owner, See Remarks
Holding Value $30.7M 310,002 shares
Last Trade
Jun 03, 2026 Sale (Option Exercise)Shares acquired or sold by exercising stock options or converting another derivative security.
$5.33M 60,000 shares
$88.86
$98.90
ACM Research
ACM Research ACMR
10% owner, See Remarks
Holding Value $83.3M 842,147 shares
Last Trade
Mar 12, 2026 Sale (Open Market)Shares sold on the open market or in a private sale.
$2.28M 50,000 shares
$45.57
$98.90
ACM Research
ACM Research ACMR
10% owner, See Remarks
Holding Value $36.6M 370,002 shares
Last Trade
Mar 12, 2026 Sale (Option Exercise)Shares acquired or sold by exercising stock options or converting another derivative security.
$2.26M 50,000 shares
$45.27
$98.90
ACM Research
ACM Research ACMR
10% owner, See Remarks
Holding Value $84.3M 852,708 shares
Last Trade
Mar 12, 2026 Purchase (Option Exercise)Shares acquired or sold by exercising stock options or converting another derivative security.
$2.26M 50,000 shares
$45.27
$98.90
ACM Research
ACM Research ACMR
10% owner, See Remarks
Holding Value $85.3M 862,708 shares
Last Trade
Mar 11, 2026 Purchase (Option Exercise)Shares acquired or sold by exercising stock options or converting another derivative security.
$2.87M 60,000 shares
$47.88
$98.90
ACM Research
ACM Research ACMR
10% owner, See Remarks
Holding Value $41.5M 420,002 shares
Last Trade
Mar 11, 2026 Sale (Option Exercise)Shares acquired or sold by exercising stock options or converting another derivative security.
$2.87M 60,000 shares
$47.88
$98.90
ACM Research
ACM Research ACMR
10% owner, See Remarks
Holding Value $79.8M 807,335 shares
Last Trade
Mar 11, 2026 Sale (Open Market)Shares sold on the open market or in a private sale.
$2.88M 60,000 shares
$47.92
$98.90
ACM Research
ACM Research ACMR
10% owner, See Remarks
Holding Value $162M 1,636,197 shares
Last Trade
Feb 04, 2026 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$30.1M 545,400 shares
$55.11
$98.90
ACM Research
ACM Research ACMR
10% owner, See Remarks
Holding Value $47.5M 480,002 shares
Last Trade
Dec 04, 2025 Sale (Option Exercise)Shares acquired or sold by exercising stock options or converting another derivative security.
$2.08M 60,000 shares
$34.62
$98.90
ACM Research
ACM Research ACMR
10% owner, See Remarks
Holding Value $83.4M 842,891 shares
Last Trade
Dec 04, 2025 Sale (Open Market)Shares sold on the open market or in a private sale.
$2.05M 60,000 shares
$34.12
$98.90
ACM Research
ACM Research ACMR
10% owner, See Remarks
Holding Value $85.3M 862,708 shares
Last Trade
Dec 04, 2025 Purchase (Option Exercise)Shares acquired or sold by exercising stock options or converting another derivative security.
$2.08M 60,000 shares
$34.62
$98.90
ACM Research
ACM Research ACMR
10% owner, See Remarks
Holding Value $53.4M 540,002 shares
Last Trade
Dec 03, 2025 Sale (Option Exercise)Shares acquired or sold by exercising stock options or converting another derivative security.
$2.38M 70,000 shares
$33.94
$98.90
ACM Research
ACM Research ACMR
10% owner, See Remarks
Holding Value $86.3M 872,708 shares
Last Trade
Dec 03, 2025 Purchase (Option Exercise)Shares acquired or sold by exercising stock options or converting another derivative security.
$2.38M 70,000 shares
$33.94
$98.90
ACM Research
ACM Research ACMR
10% owner, See Remarks
Holding Value $79.5M 803,908 shares
Last Trade
Dec 03, 2025 Sale (Open Market)Shares sold on the open market or in a private sale.
$2.31M 70,000 shares
$33.06
$98.90
ACM Research
ACM Research ACMR
10% owner, See Remarks
Holding Value $53.9M 545,400 shares
Last Trade
Oct 27, 2025 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$23.1M 545,400 shares
$42.43
$98.90

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