ACMR ACM Research, Inc.
Price Chart
Executive Summary
Two insiders at ACM Research (C-suite level) executed routine option exercises and related same-day open-market sales totaling ~$282K over three days. The sales are typical for tax-cover or diversification after option vesting, representing only ~0.005% of the $6.0B market cap — a trivial economic signal. The exercises are non-cash events; the sales are liquidity-driven, not indicative of bearish sentiment.
Key Financial Metrics
Actionable Insight
The cluster is noise: option-exercise-related sales at trivial dollars. No bearish signal for ACMR. The 100% historical win rate on prior ACMR reports does not apply here — this is a non-event. Monitor upcoming 10-Q for fundamental trends; insider activity is not informative of near-term direction.
Key Facts
- Two insiders — Cheav Sotheara (See remarks) and David H. Wang (See remarks) — exercised derivatives on June 3-5, 2026
- Non-cash exercises: 13,351 shares at $0 (6/4), 5,399 shares at $0 (6/5), plus 40,002 and 60,000 shares at $0 (Wang, 6/3-6/4)
- Open-market sales: combined ~$282K across 2-trading-day window (6/3-6/4)
- Sales equal ~0.0047% of ACMR's $6.0B market cap — well below the 0.1% noise threshold
- Stock trades at ~$83-88, near its 52-week range; analyst consensus is 86% bullish (12 of 14 Buy/Strong Buy)
Financial Impact
Total insider open-market selling of ~$282K on a $6B market cap (~0.005%) — economically negligible
Risk Factors
- No material risk from this cluster; the low dollar value makes it routine
- Future insider sales patterns could develop if the stock rallies further
Market Snapshot
Documents Analyzed
This report is based on 1 SEC document filed with EDGAR.
| Document | Accession Number |
|---|---|
| CLUSTER Data (Synthetic) | cluster-ACMR-1780707657977 |
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
|
Jun 11, 2026
3d ago
|
Institutional Cluster
| $79.87 awaiting T+5 | awaiting T+5 | — | $93.95 (+17.63%) |
|
Jun 6, 2026
9d ago
|
Insider Cluster
| $85.27 awaiting T+5 | awaiting T+5 | — | $93.95 (+10.18%) |
|
May 29, 2026
16d ago
|
8-K
| $82.05 $76.29 | ▼ −7.02% | ▼ −4.27% | $93.95 (+14.50%) |
|
May 22, 2026
23d ago
|
8-K
| $73.35 $82.05 | ▲ +11.86% | ▲ +10.18% | $93.95 (+28.08%) |
|
May 15, 2026
4w ago
|
8-K
| $63.25 $86.46 | ▲ +36.70% | ▲ +35.08% | $93.95 (+48.54%) |
|
May 12, 2026
4w ago
|
424B5
| $64.75 $66.45 | ▼ −2.63% | ▼ −3.78% | $93.95 (−45.10%) |
|
May 12, 2026
4w ago
|
8-K
| $62.99 $63.25 | ▼ −0.41% | ▼ −0.34% | $93.95 (−49.15%) |
|
May 7, 2026
5w ago
|
8-K
| $59.20 $64.75 | ▲ +9.38% | ▲ +7.87% | $93.95 (+58.70%) |
|
Apr 27, 2026
6w ago
|
8-K
| $53.23 $51.23 | ▼ −3.76% | ▼ −4.16% | $93.95 (+76.50%) |
|
Apr 27, 2026
6w ago
|
Press Release
| $53.23 $51.23 | ▼ −3.76% | ▼ −4.16% | $93.95 (+76.50%) |
US Market Status
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