WANG DAVID H (See Remarks) sold 11.1% of their position (100K shares) of ACM RESEARCH, INC. on the open market
Open‑market sale worth $8.84M — a moderate reduction. Review remaining holdings and any 10b5‑1 plan disclosures.
Class A Common Stock
Shares
+60K
Price / share
$1.00
Trade value
$60K
% of position
Class A Common Stock
Shares
−4.30K
Price / share
$87.57
Trade value
$376.55K
% of position
Class A Common Stock
Shares
−6.29K
Price / share
$88.98
Trade value
$560.13K
% of position
Class A Common Stock
Shares
−32.45K
Price / share
$89.84
Trade value
$2.92M
% of position
Class A Common Stock
Shares
−9.93K
Price / share
$90.78
Trade value
$900.99K
% of position
Class A Common Stock
Shares
−5.84K
Price / share
$92.38
Trade value
$539.78K
% of position
Class A Common Stock
Shares
−1.19K
Price / share
$93.04
Trade value
$110.44K
% of position
Class A Common Stock
Shares
+40K
Price / share
$1.00
Trade value
$40K
% of position
Class A Common Stock
Shares
−2.06K
Price / share
$83.86
Trade value
$172.75K
% of position
Class A Common Stock
Shares
−17.54K
Price / share
$85.11
Trade value
$1.49M
% of position
Class A Common Stock
Shares
−10.99K
Price / share
$86.07
Trade value
$946.08K
% of position
Class A Common Stock
Shares
−8.58K
Price / share
$87.13
Trade value
$747.66K
% of position
Class A Common Stock
Shares
−826.00
Price / share
$87.91
Trade value
$72.61K
% of position
Net shares
+0.00
Net value
-$8.74M
| Security | Date | Type | Shares | Price / Share | Trade Value | % of Position | Held Before | Held After |
|---|---|---|---|---|---|---|---|---|
| Class A Common Stock Direct | 6/3/2026 | M · Option Exercise | +60K | $1.00 | $60K | 7.5% | 802.71K | 862.71K |
| Class A Common Stock Direct | 6/3/2026 | S · Sale | −4.30K | $87.57 | $376.55K | 0.5% | 862.71K | 858.41K |
| Class A Common Stock Direct | 6/3/2026 | S · Sale | −6.29K | $88.98 | $560.13K | 0.7% | 858.41K | 852.11K |
| Class A Common Stock Direct | 6/3/2026 | S · Sale | −32.45K | $89.84 | $2.92M | 3.8% | 852.11K | 819.66K |
| Class A Common Stock Direct | 6/3/2026 | S · Sale | −9.93K | $90.78 | $900.99K | 1.2% | 819.66K | 809.74K |
| Class A Common Stock Direct | 6/3/2026 | S · Sale | −5.84K | $92.38 | $539.78K | 0.7% | 809.74K | 803.89K |
| Class A Common Stock Direct | 6/3/2026 | S · Sale | −1.19K | $93.04 | $110.44K | 0.1% | 803.89K | 802.71K |
| Class A Common Stock Direct | 6/4/2026 | M · Option Exercise | +40K | $1.00 | $40K | 5.0% | 802.71K | 842.71K |
| Class A Common Stock Direct | 6/4/2026 | S · Sale | −2.06K | $83.86 | $172.75K | 0.2% | 842.71K | 840.65K |
| Class A Common Stock Direct | 6/4/2026 | S · Sale | −17.54K | $85.11 | $1.49M | 2.1% | 840.65K | 823.11K |
| Class A Common Stock Direct | 6/4/2026 | S · Sale | −10.99K | $86.07 | $946.08K | 1.3% | 823.11K | 812.12K |
| Class A Common Stock Direct | 6/4/2026 | S · Sale | −8.58K | $87.13 | $747.66K | 1.1% | 812.12K | 803.53K |
| Class A Common Stock Direct | 6/4/2026 | S · Sale | −826.00 | $87.91 | $72.61K | 0.1% | 803.53K | 802.71K |
| Total | +0.00 | -$8.74M | ||||||
Stock Option
Class A Common Stock
60K shares
Shares
−60K
Strike price
1
Held after
310K
Exercisable
—
Stock Option
Class A Common Stock
40K shares
Shares
−40K
Strike price
1
Held after
270K
Exercisable
—
| Security | Converts To | Date | Type | Shares | Strike Price | Exercisable | Held After |
|---|---|---|---|---|---|---|---|
| Stock Option Direct | Class A Common Stock60K shares | 6/3/2026 | M · Option Exercise | −60K | 1 | — | 310K |
| Stock Option Direct | Class A Common Stock40K shares | 6/4/2026 | M · Option Exercise | −40K | 1 | — | 270K |
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 | 620K | Indirect |
| Class A Common Stock | 100K | Indirect |
| Class A Common Stock | 180K | Indirect |
| Class A Common Stock | 45.84K | Indirect |
| Total | 945.84K | 945.84K indirect |