Monitor for follow-up Form 4 filings to confirm whether this buying pattern continues or expands to other C-suite executives. Given the small size relative to market cap, this cluster alone does not signal material confidence shift.
Price Chart
Executive Summary
Analysis based on filing metadata only — document content was unavailable. Insider trading cluster involving open-market purchases by a VP totaling approximately $275K in the past week, but no additional filing details are accessible to confirm context or motivations.
Key Financial Metrics
Key Facts
- Insider trading cluster reported for TSM with recent open-market purchases by VP Lin Shyue-Shyh
- Total disclosed purchases amount to 5,000 shares for ~$275K over two days
- No filing content available to verify additional transactions, insiders involved, or qualitative context
Financial Impact
Approximately $275K in open-market purchases, representing less than 0.001% of $1641.5B market cap — trivial in scale
Risk Factors
- Lack of access to full filing limits ability to verify transaction codes, insiders, or potential non-cash transactions
- Small insider purchases may reflect routine stock plan activity rather than strategic conviction
Market Snapshot
Investment Themes
Documents Analyzed
Report based on filing metadata.
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
Oct 27, 2026 today | SC 13G | $436.20 | awaiting T+20 | — | $436.87 (+0.15%) |
Oct 22, 2026 5d ago | Institutional Cluster | $418.51 | awaiting T+20 | — | $436.87 (+4.39%) |
Oct 22, 2026 5d ago | 6-K | $412.35 | awaiting T+20 | — | $436.87 (+5.95%) |
Oct 15, 2026 12d ago | 6-K | $422.25 | awaiting T+20 | — | $436.87 (+3.46%) |
Oct 12, 2026 15d ago | Institutional Cluster | $444.35 | awaiting T+20 | — | $436.87 (−1.68%) |
Oct 8, 2026 19d ago | 6-K | $457.99 | awaiting T+20 | — | $436.87 (−4.61%) |
Sep 24, 2026 4w ago | 6-K | $451.15 $412.35 | ▼ −8.60% | ▼ −8.18% | $436.87 (−3.17%) |
Sep 10, 2026 6w ago | 6-K | $428.03 $457.99 | ▲ +7.00% | ▲ +4.88% | $436.87 (+2.07%) |
Sep 9, 2026 6w ago | Insider Cluster | $435.36 $472.20 | ▲ +8.46% | ▲ +6.52% | $436.87 (+0.35%) |
Sep 4, 2026 7w ago | Insider Cluster | $428.91 $485.80 | ▲ +13.26% | ▲ +12.66% | $436.87 (+1.86%) |
US Market Status
Subscribe to SecBot
Get Real-Time SEC Filing Intelligence
Comprehensive SEC filing analysis delivered the moment filings hit EDGAR. Sentiment scoring, impact analysis, and actionable insights for every material event.
Create a free account Live analysis, Telegram alerts, watchlists and the MCP server for subscribers