WANG DAVID H (See Remarks) sold 12.1% of their position (110K shares) of ACM RESEARCH, INC. on the open market
Open‑market sale worth $5.15M — 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
−55.37K
Price / share
$47.89
Trade value
$2.65M
% of position
Class A Common Stock
Shares
−4.63K
Price / share
$48.34
Trade value
$223.67K
% of position
Class A Common Stock
Shares
+50K
Price / share
$1.00
Trade value
$50K
% of position
Class A Common Stock
Shares
−10.56K
Price / share
$44.92
Trade value
$474.40K
% of position
Class A Common Stock
Shares
−38.74K
Price / share
$45.74
Trade value
$1.77M
% of position
Class A Common Stock
Shares
−702.00
Price / share
$46.57
Trade value
$32.69K
% of position
Net shares
+0.00
Net value
-$5.04M
| Security | Date | Type | Shares | Price / Share | Trade Value | % of Position | Held Before | Held After |
|---|---|---|---|---|---|---|---|---|
| Class A Common Stock Direct | 3/11/2026 | M · Option Exercise | +60K | $1.00 | $60K | 7.5% | 802.71K | 862.71K |
| Class A Common Stock Direct | 3/11/2026 | S · Sale | −55.37K | $47.89 | $2.65M | 6.4% | 862.71K | 807.34K |
| Class A Common Stock Direct | 3/11/2026 | S · Sale | −4.63K | $48.34 | $223.67K | 0.6% | 807.34K | 802.71K |
| Class A Common Stock Direct | 3/12/2026 | M · Option Exercise | +50K | $1.00 | $50K | 6.2% | 802.71K | 852.71K |
| Class A Common Stock Direct | 3/12/2026 | S · Sale | −10.56K | $44.92 | $474.40K | 1.2% | 852.71K | 842.15K |
| Class A Common Stock Direct | 3/12/2026 | S · Sale | −38.74K | $45.74 | $1.77M | 4.6% | 842.15K | 803.41K |
| Class A Common Stock Direct | 3/12/2026 | S · Sale | −702.00 | $46.57 | $32.69K | 0.1% | 803.41K | 802.71K |
| Total | +0.00 | -$5.04M | ||||||
Stock Option
Class A Common Stock
60K shares
Shares
−60K
Strike price
1
Held after
420K
Exercisable
—
Stock Option
Class A Common Stock
50K shares
Shares
−50K
Strike price
1
Held after
370K
Exercisable
—
| Security | Converts To | Date | Type | Shares | Strike Price | Exercisable | Held After |
|---|---|---|---|---|---|---|---|
| Stock Option Direct | Class A Common Stock60K shares | 3/11/2026 | M · Option Exercise | −60K | 1 | — | 420K |
| Stock Option Direct | Class A Common Stock50K shares | 3/12/2026 | M · Option Exercise | −50K | 1 | — | 370K |
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 | 100K | Indirect |
| Class A Common Stock | 620K | Indirect |
| Class A Common Stock | 45.84K | Indirect |
| Class A Common Stock | 180K | Indirect |
| Total | 945.84K | 945.84K indirect |