The scale and concentration of selling—particularly by a senior GM—warrants caution. Monitor upcoming earnings disclosures and any changes in semiconductor demand trends. Consider this a potential early signal of reduced confidence ahead of possible sector or company-specific headwinds.
Price Chart
Executive Summary
Two insiders at ASE Technology sold a combined $156.71M in shares over a 7-day window, led by a $152.55M open-market sale from senior executive Chen Tien-Szu. The transactions represent a significant volume of insider selling, with the total exceeding 0.2% of the company's $65.9B market cap.
Key Financial Metrics
Key Facts
- Chen Tien-Szu, GM of ASE Inc. Chung-Li Branch, sold 328,000 shares for $152.55M in a single open-market transaction.
- Director Chen Jeffrey sold 27,000 shares in three tranches totaling $12.25M at prices between $446 and $461.50.
- Total cluster value: $156.71M in open-market sales over 7 days.
- Combined sales represent approximately 0.24% of ASE's $65.9B market capitalization.
- All transactions were open-market sales (code S), indicating direct liquidity events.
Financial Impact
$156.71M in insider sales over 7 days, representing 0.24% of market cap
Risk Factors
- Perception of insider pessimism, especially given the size of Chen Tien-Szu's sale
- Potential for negative market reaction due to concentrated selling by key individuals
Market Snapshot
Investment Themes
Documents Analyzed
This report is based on 1 SEC document filed with EDGAR.
| Document | Accession Number |
|---|---|
| CLUSTER Data (Synthetic) | cluster-ASX-1776853822062 |
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
Sep 9, 2026 23d ago | 6-K | $41.20 $38.44 | ▼ −6.70% | ▼ −6.37% | $47.45 (+15.17%) |
Aug 10, 2026 7w ago | 6-K | $37.59 $39.91 | ▲ +6.17% | ▲ +6.22% | $47.45 (+26.23%) |
Aug 3, 2026 8w ago | 6-K | $36.68 $37.59 | ▲ +2.48% | ▲ +0.45% | $47.45 (+29.36%) |
Jul 30, 2026 9w ago | 6-K | $34.77 $37.25 | ▲ +7.13% | ▲ +3.51% | $47.45 (+36.47%) |
Jun 9, 2026 16w ago | 6-K | $35.08 $38.50 | ▲ +9.75% | ▲ +7.34% | $47.45 (+35.26%) |
Jun 3, 2026 17w ago | Insider Cluster | $39.91 $34.30 | ▼ −14.06% | ▼ −10.24% | $47.45 (+18.89%) |
May 8, 2026 21w ago | 6-K | $34.23 $35.25 | ▲ +2.98% | ▲ +1.52% | $47.45 (+38.62%) |
Apr 29, 2026 22w ago | 6-K | $30.59 $33.44 | ▲ +9.32% | ▲ +6.21% | $47.45 (+55.12%) |
Apr 20, 2026 23w ago | Insider Cluster | $29.28 $30.85 | ▼ −5.36% | ▼ −4.45% | $47.45 (−62.06%) |
Apr 20, 2026 23w ago | Insider Cluster | $29.28 $30.85 | ▼ −5.36% | ▼ −4.45% | $47.45 (−62.06%) |
US Market Status
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