This filing contains no earnings, guidance, or operational updates. The broad-based insider buying is a mildly positive signal but is routine monthly disclosure and not actionable on its own. Monitor TSMC's next monthly 6-K or any 20-F annual report for material developments.
Price Chart
Executive Summary
TSMC filed a routine monthly 6-K disclosing insider shareholding changes for September 2026. All 21 named executives and directors increased their holdings, with Chairman/CEO C.C. Wei adding 204,375 shares (2.5% increase) and other senior officers adding smaller amounts. No pledges, asset transactions, capital appropriations, bond issuances, or share cancellations occurred. This is a standard administrative filing with no material financial or operational news.
Key Facts
- Chairman/CEO C.C. Wei increased holdings by 204,375 shares to 8,356,985 as of September 30, 2026
- All 21 listed directors and executive officers increased their shareholdings during September 2026
- No share pledges, asset acquisitions/dispositions, capital appropriations, bond issuances, or share cancellations occurred
- Filing covers the month of September 2026, reported on October 22, 2026
Financial Impact
No financial impact, routine insider shareholding disclosure with no material corporate events
Risk Factors
- No material risks identified from this filing
Market Snapshot
Investment Themes
Documents Analyzed
This report is based on 4 SEC documents filed with EDGAR.
| Document | Accession Number |
|---|---|
| 6-K Filing (Primary) | 0001046179-26-000728 |
| Document: 0001046179-26-000728-index-headers.html | 0001046179-26-000728 |
| Document: 0001046179-26-000728-index.html | 0001046179-26-000728 |
| Document: 0001046179-26-000728.txt | 0001046179-26-000728 |
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
Oct 27, 2026 today | SC 13G | $436.20 | awaiting T+20 | awaiting T+20 | $436.87 (+0.15%) |
Oct 22, 2026 5d ago | Institutional Cluster | $418.51 | awaiting T+20 | awaiting T+20 | $436.87 (+4.39%) |
Oct 22, 2026 6d ago | 6-K | $412.35 | awaiting T+20 | awaiting T+20 | $436.87 (+5.95%) |
Oct 15, 2026 12d ago | 6-K | $422.25 | awaiting T+20 | awaiting T+20 | $436.87 (+3.46%) |
Oct 12, 2026 15d ago | Institutional Cluster | $444.35 | awaiting T+20 | awaiting T+20 | $436.87 (−1.68%) |
Oct 8, 2026 20d ago | 6-K | $457.99 | awaiting T+20 | 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 7w 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
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