The breadth of this insider buy cluster—27 executives from CEO to VPs—is a rare signal of management confidence, but the dollar amount is negligible. The cross-filing amplifier verdict suggests this pattern has been more informative historically, but the tiny absolute size limits conviction. Monitor for upcoming earnings or guidance updates that may have prompted this coordinated buying.
Price Chart
Executive Summary
27 TSMC insiders, including Chairman/CEO Wei Che-Chia and CFO Huang Jen-Chau, made open-market purchases totaling $106K on August 7, 2026, at $73.31 per share. While the dollar amount is trivial relative to TSM's $2.17T market cap (<0.000005%), the breadth of participation—spanning the CEO, CFO, EVPs, SVPs, and VPs—is an unusually broad cluster of conviction buys that signals management's confidence in the company's near-term outlook.
Key Financial Metrics
Key Facts
- 27 insiders purchased shares on August 7, 2026, at $73.31/share
- Total open-market purchases: $106,000
- Chairman/CEO Wei Che-Chia bought 152 shares ($11K); CFO Huang Jen-Chau bought 29 shares ($2K)
- Purchases represent ~0.000005% of TSM's $2.17T market cap
- All trades were open-market buys (code P), not grants or exercises
- Cross-filing actuarial verdicts flag this cluster as an amplifier (PMI=4.13, q=0.000)
Financial Impact
$106K in insider purchases, immaterial relative to $2.17T market cap
Risk Factors
- Dollar amount is trivial relative to market cap—insiders may be making symbolic purchases
- No accompanying corporate event (earnings, guidance, product announcement) is referenced in the filing
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-1786431687656 |
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
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