WANG DAVID H (See Remarks) sold 14.9% of their position (140K shares) of ACM RESEARCH, INC. on the open market
Open‑market sale worth $10.63M — a moderate reduction. Review remaining holdings and any 10b5‑1 plan disclosures.
Class A Common Stock
Shares
+70K
Price / share
$1.00
Trade value
$70K
% of position
Class A Common Stock
Shares
−4.80K
Price / share
$75.99
Trade value
$364.98K
% of position
Class A Common Stock
Shares
−51.37K
Price / share
$77.15
Trade value
$3.96M
% of position
Class A Common Stock
Shares
−12.32K
Price / share
$78.08
Trade value
$962.18K
% of position
Class A Common Stock
Shares
−1.50K
Price / share
$78.57
Trade value
$117.85K
% of position
Class A Common Stock
Shares
+70K
Price / share
$1.00
Trade value
$70K
% of position
Class A Common Stock
Shares
−33.49K
Price / share
$73.80
Trade value
$2.47M
% of position
Class A Common Stock
Shares
−18.93K
Price / share
$74.67
Trade value
$1.41M
% of position
Class A Common Stock
Shares
−11.67K
Price / share
$75.58
Trade value
$881.72K
% of position
Class A Common Stock
Shares
−4.81K
Price / share
$76.73
Trade value
$368.84K
% of position
Class A Common Stock
Shares
−1.10K
Price / share
$77.59
Trade value
$85.35K
% of position
Net shares
+0.00
Net value
-$10.49M
| Security | Date | Type | Shares | Price / Share | Trade Value | % of Position | Held Before | Held After |
|---|---|---|---|---|---|---|---|---|
| Class A Common Stock Direct | 9/8/2026 | M · Option Exercise | +70K | $1.00 | $70K | 8.7% | 802.71K | 872.71K |
| Class A Common Stock Direct | 9/8/2026 | S · Sale | −4.80K | $75.99 | $364.98K | 0.6% | 872.71K | 867.90K |
| Class A Common Stock Direct | 9/8/2026 | S · Sale | −51.37K | $77.15 | $3.96M | 5.9% | 867.90K | 816.53K |
| Class A Common Stock Direct | 9/8/2026 | S · Sale | −12.32K | $78.08 | $962.18K | 1.5% | 816.53K | 804.21K |
| Class A Common Stock Direct | 9/8/2026 | S · Sale | −1.50K | $78.57 | $117.85K | 0.2% | 804.21K | 802.71K |
| Class A Common Stock Direct | 9/9/2026 | M · Option Exercise | +70K | $1.00 | $70K | 8.7% | 802.71K | 872.71K |
| Class A Common Stock Direct | 9/9/2026 | S · Sale | −33.49K | $73.80 | $2.47M | 3.8% | 872.71K | 839.22K |
| Class A Common Stock Direct | 9/9/2026 | S · Sale | −18.93K | $74.67 | $1.41M | 2.3% | 839.22K | 820.28K |
| Class A Common Stock Direct | 9/9/2026 | S · Sale | −11.67K | $75.58 | $881.72K | 1.4% | 820.28K | 808.62K |
| Class A Common Stock Direct | 9/9/2026 | S · Sale | −4.81K | $76.73 | $368.84K | 0.6% | 808.62K | 803.81K |
| Class A Common Stock Direct | 9/9/2026 | S · Sale | −1.10K | $77.59 | $85.35K | 0.1% | 803.81K | 802.71K |
| Total | +0.00 | -$10.49M | ||||||
Stock Option
Class A Common Stock
70K shares
Shares
−70K
Strike price
1
Held after
200K
Exercisable
—
Stock Option
Class A Common Stock
70K shares
Shares
−70K
Strike price
1
Held after
130K
Exercisable
—
| Security | Converts To | Date | Type | Shares | Strike Price | Exercisable | Held After |
|---|---|---|---|---|---|---|---|
| Stock Option Direct | Class A Common Stock70K shares | 9/8/2026 | M · Option Exercise | −70K | 1 | — | 200K |
| Stock Option Direct | Class A Common Stock70K shares | 9/9/2026 | M · Option Exercise | −70K | 1 | — | 130K |
Class A Common Stock
IndirectClass A Common Stock
IndirectClass A Common Stock
Indirect| Security Title | Shares Owned | Ownership Type |
|---|---|---|
| Class A Common Stock | 100K | Indirect |
| Class A Common Stock | 620K | Indirect |
| Class A Common Stock | 180K | Indirect |
| Total | 900K | 900K indirect |