Insider cluster size is far too small to drive a trading signal — the buying is symbolic, not material. Monitor TSM's next earnings call and capital expenditure guidance for fundamental catalysts. The insider activity alone does not warrant a position change.
Price Chart
Executive Summary
Eight TSM insiders collectively purchased $102K of stock, including the CEO and CFO, in a tight cluster between June 30 and July 7. Relative to TSM's $2.3 trillion market cap, the total is <0.001% — economically negligible, but the breadth of participation across the C-suite and executive leadership makes this a symbolic show of confidence rather than a material signal of undervaluation.
Key Financial Metrics
Key Facts
- 8 insiders made open-market purchases totaling ~$102K
- Transactions occurred from June 30 to July 7, 2026
- All trades were open-market buys (Code P) — not grants or tax-withholdings
- CEO Wei Che-Chia purchased 146 shares ($11K); CFO Huang Jen-Chau purchased 28 shares ($2.1K)
- Largest individual trade: VP Tien Bor-Zen purchased ~1,000 shares at $75.70 for ~$76K on June 30
- Total value is ~0.000005% of TSM's $2.27 trillion market cap
Financial Impact
Total insider purchases of ~$102K are economically negligible against a $2.27 trillion market cap
Risk Factors
- Insider cluster value is <0.001% of market cap — no economic signal strength
Market Snapshot
Investment Themes
Documents Analyzed
This report is based on 1 SEC document filed with EDGAR.
| Document | Accession Number |
|---|---|
| CLUSTER Data (Synthetic) | cluster-TSM-1783594903260 |
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
Oct 22, 2026 4d ago | Institutional Cluster | $418.51 | awaiting T+20 | — | $437.52 (+4.54%) |
Oct 22, 2026 5d ago | 6-K | $412.35 | awaiting T+20 | — | $437.52 (+6.11%) |
Oct 15, 2026 12d ago | 6-K | $422.25 | awaiting T+20 | — | $437.52 (+3.62%) |
Oct 12, 2026 15d ago | Institutional Cluster | $444.35 | awaiting T+20 | — | $437.52 (−1.54%) |
Oct 8, 2026 19d ago | 6-K | $457.99 | awaiting T+20 | — | $437.52 (−4.47%) |
Sep 24, 2026 4w ago | 6-K | $451.15 $412.35 | ▼ −8.60% | ▼ −8.18% | $437.52 (−3.02%) |
Sep 10, 2026 6w ago | 6-K | $428.03 $457.99 | ▲ +7.00% | ▲ +4.88% | $437.52 (+2.22%) |
Sep 9, 2026 6w ago | Insider Cluster | $435.36 $472.20 | ▲ +8.46% | ▲ +6.52% | $437.52 (+0.50%) |
Sep 4, 2026 7w ago | Insider Cluster | $428.91 $485.80 | ▲ +13.26% | ▲ +12.66% | $437.52 (+2.01%) |
Sep 1, 2026 8w ago | 6-K | $414.00 $456.19 | ▲ +10.19% | ▲ +9.87% | $437.52 (+5.68%) |
US Market Status
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