WANG DAVID H (See Remarks) sold 13.9% of their position (130K shares) of ACM RESEARCH, INC. on the open market
Open‑market sale worth $4.36M — 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
−68.80K
Price / share
$33.05
Trade value
$2.27M
% of position
Class A Common Stock
Shares
−1.20K
Price / share
$33.56
Trade value
$40.27K
% of position
Class A Common Stock
Shares
+60K
Price / share
$1.00
Trade value
$60K
% of position
Class A Common Stock
Shares
−19.82K
Price / share
$33.52
Trade value
$664.27K
% of position
Class A Common Stock
Shares
−40.18K
Price / share
$34.42
Trade value
$1.38M
% of position
Net shares
+0.00
Net value
-$4.23M
| Security | Date | Type | Shares | Price / Share | Trade Value | % of Position | Held Before | Held After |
|---|---|---|---|---|---|---|---|---|
| Class A Common Stock Direct | 12/3/2025 | M · Option Exercise | +70K | $1.00 | $70K | 8.7% | 802.71K | 872.71K |
| Class A Common Stock Direct | 12/3/2025 | S · Sale | −68.80K | $33.05 | $2.27M | 7.9% | 872.71K | 803.91K |
| Class A Common Stock Direct | 12/3/2025 | S · Sale | −1.20K | $33.56 | $40.27K | 0.1% | 803.91K | 802.71K |
| Class A Common Stock Direct | 12/4/2025 | M · Option Exercise | +60K | $1.00 | $60K | 7.5% | 802.71K | 862.71K |
| Class A Common Stock Direct | 12/4/2025 | S · Sale | −19.82K | $33.52 | $664.27K | 2.3% | 862.71K | 842.89K |
| Class A Common Stock Direct | 12/4/2025 | S · Sale | −40.18K | $34.42 | $1.38M | 4.8% | 842.89K | 802.71K |
| Total | +0.00 | -$4.23M | ||||||
Stock Option
Class A Common Stock
70K shares
Shares
−70K
Strike price
1
Held after
540K
Exercisable
—
Stock Option
Class A Common Stock
60K shares
Shares
−60K
Strike price
1
Held after
480K
Exercisable
—
| Security | Converts To | Date | Type | Shares | Strike Price | Exercisable | Held After |
|---|---|---|---|---|---|---|---|
| Stock Option Direct | Class A Common Stock70K shares | 12/3/2025 | M · Option Exercise | −70K | 1 | — | 540K |
| Stock Option Direct | Class A Common Stock60K shares | 12/4/2025 | M · Option Exercise | −60K | 1 | — | 480K |
Class A Common Stock
IndirectClass A Common Stock
IndirectClass A Common Stock
IndirectClass A Common Stock
Indirect| Security Title | Shares Owned | Ownership Type |
|---|---|---|
| Class A Common Stock | 45.84K | Indirect |
| Class A Common Stock | 180K | Indirect |
| Class A Common Stock | 100K | Indirect |
| Class A Common Stock | 620K | Indirect |
| Total | 945.84K | 945.84K indirect |