Monitor for 10b5-1 plan disclosures in upcoming filings to confirm pre-scheduled nature; absence could raise concerns. No immediate bearish signal given routine pattern and proportionality.
Price Chart
Executive Summary
ACM Research insiders David Wang (executive) and Tracy Liu (director) conducted a series of derivative exercises and open-market sales over a 3-day window, realizing $4.65M in proceeds from selling 98,150 shares. The transactions are consistent with pre-arranged 10b5-1 plans and include non-cash exercises, with no indication of unusual or reactive trading behavior.
Key Financial Metrics
Key Facts
- David Wang (executive) exercised 160,000 derivative securities and sold 65,934 shares for $3.13M over two days.
- Tracy Liu (director) exercised 120,000 derivative securities and sold 43,839 shares for $2.07M.
- Total open-market sales: $4.65M (0.15% of $3.0B market cap), all at market prices between $44.92 and $47.89.
- Derivative exercises included both $0 and $1 strike prices; non-cash transactions total $170,000 in value.
- No open-market purchases or insider buying detected; all sales were offset by prior exercises.
Financial Impact
$4.65M in insider sales over 3 days, representing 0.15% of market cap
Risk Factors
- Perception risk if sales are interpreted as lack of confidence, despite likely pre-planned nature.
- Potential for increased selling pressure if other insiders follow similar exercise-and-sell patterns.
Market Snapshot
Investment Themes
Documents Analyzed
This report is based on 1 SEC document filed with EDGAR.
| Document | Accession Number |
|---|---|
| CONTEXT: Insider Cluster Data (12 trades, 7d window) | cluster-ACMR-1773434812415 |
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
Aug 22, 2026 5w ago | Insider Cluster | $77.35 $75.80 | ▼ −2.00% | ▼ −3.30% | $83.09 (+7.43%) |
Aug 8, 2026 7w ago | Institutional Cluster | $79.41 $77.20 | ▼ −2.78% | ▼ −1.87% | $83.09 (+4.63%) |
Aug 7, 2026 8w ago | 8-K | $83.80 $74.44 | ▼ −11.17% | ▼ −10.77% | $83.09 (−0.85%) |
Jul 18, 2026 10w ago | Institutional Cluster | $82.52 $85.64 | ▲ +3.78% | ▼ −0.34% | $83.09 (+0.69%) |
Jun 11, 2026 16w ago | Institutional Cluster | $91.70 $106.04 | ▲ +15.64% | ▲ +13.75% | $83.09 (−9.39%) |
Jun 6, 2026 16w ago | Insider Cluster | $80.57 $98.52 | ▲ +22.28% | ▲ +20.65% | $83.09 (+3.13%) |
May 29, 2026 17w ago | 8-K | $82.05 $126.89 | ▲ +54.65% | ▲ +55.95% | $83.09 (+1.27%) |
May 22, 2026 19w ago | 8-K | $73.35 $95.80 | ▲ +30.61% | ▲ +32.02% | $83.09 (+13.28%) |
May 15, 2026 19w ago | 8-K | $63.25 $91.18 | ▲ +44.16% | ▲ +42.58% | $83.09 (+31.37%) |
May 12, 2026 20w ago | 424B5 | $64.75 $91.70 | ▼ −41.62% | ▼ −42.23% | $83.09 (−28.32%) |
US Market Status
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