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Insider Cluster (25 insiders) ·Filed Sep 9, 2026

TSM

TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD
NEUTRAL
Impact 3/10
Horizonweeks Processed1mo ago
Insider cluster: 25 insiders, $0.1M total
Actionable Insight • Neutral

The coordinated one-day purchase by 25 insiders at a single price point suggests a pre-arranged or symbolic gesture rather than opportunistic buying. Monitor for any upcoming corporate event (e.g., investor day, dividend announcement) that may have prompted this coordinated action.

DirectionNeutral
Confidencehigh
Horizonweeks
Latest settled — T+20d
TSM ▲ +8.46% at T+20d
NEUTRAL call +8.46% · α vs SPY +6.52% · entry $435.36 → $472.20
Next anchor: T+60d in 5w
Latest observation: T+32 +1.10% FF3 residual α
Entry = T+0 close
Sep 9, 2026
via day close
T+1d
-1.68%
call -1.68% · α -1.08%
$428.03
settled 7w ago
T+5d
-4.05%
call -4.05% · α -2.96%
$417.72
settled 6w ago
T+20d
+8.46%
call +8.46% · α +6.52%
$472.20
settled 21d ago
T+60d
Pending
in 5w

Price Chart

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Executive Summary

25 TSM insiders, including Chairman/CEO Wei Che-Chia, CFO Huang Jen-Chau, and multiple EVPs/SVPs, made open-market purchases totaling ~$102K on September 7, 2026, all at $76.20 per share. While the cluster is broad and includes top executives, the total dollar value is negligible relative to TSM's ~$400B market cap, making this a symbolic rather than financially material signal.

Key Financial Metrics

Direction
buying
Total Value
$102.0K
Insiders
25

Key Facts

  • 25 insiders purchased shares on September 7, 2026, all at $76.20/share
  • Total cluster value: ~$102,000
  • Chairman/CEO Wei Che-Chia bought 149 shares ($11K)
  • CFO Huang Jen-Chau bought 30 shares ($2K)
  • All transactions are open-market purchases (code P)
  • Total value is less than 0.001% of TSM's market cap

Financial Impact

~$102K total insider purchases, immaterial relative to TSM's ~$400B market cap

Risk Factors

  • Symbolic insider buying at trivial dollar amounts has no predictive power for stock movement
  • TSM faces ongoing geopolitical risks (Taiwan-China tensions) and semiconductor cycle headwinds

Investment Themes

Documents Analyzed

This report is based on 1 SEC document filed with EDGAR.

DocumentAccession Number
CLUSTER Data (Synthetic)cluster-TSM-1788948526401
43 reports for TSM
Performance horizon
83% Hit rate @ T+20 10 of 12 directional calls Went positive at some point 12 of 14 best @ T+60▲ +39.31%Mar 30, 2026
Filters
Rows
Reports for TSM — sortable, filterable
TypeNow
Oct 27, 2026
today
SC 13G
NEUTRAL ★ 3/10
$436.20awaiting T+20—$436.87 (+0.15%)
Oct 22, 2026
5d ago
Institutional Cluster
MIXED ★ 3/10
$418.51awaiting T+20—$436.87 (+4.39%)
Oct 22, 2026
5d ago
6-K
NEUTRAL ★ 2/10
$412.35awaiting T+20—$436.87 (+5.95%)
Oct 15, 2026
12d ago
6-K
BULLISH ★ 7/10
$422.25awaiting T+20—$436.87 (+3.46%)
Oct 12, 2026
15d ago
Institutional Cluster
MIXED ★ 4/10
$444.35awaiting T+20—$436.87 (−1.68%)
Oct 8, 2026
19d ago
6-K
BULLISH ★ 6/10
$457.99awaiting T+20—$436.87 (−4.61%)
Sep 24, 2026
4w ago
6-K
NEUTRAL ★ 4/10
$451.15 $412.35▼ −8.60%▼ −8.18%$436.87 (−3.17%)
Sep 10, 2026
6w ago
6-K
BULLISH ★ 6/10
$428.03 $457.99▲ +7.00%▲ +4.88%$436.87 (+2.07%)
Sep 9, 2026
6w ago
Insider Cluster
NEUTRAL ★ 3/10
$435.36 $472.20▲ +8.46%▲ +6.52%$436.87 (+0.35%)
Sep 4, 2026
7w ago
Insider Cluster
BULLISH ★ 4/10
$428.91 $485.80▲ +13.26%▲ +12.66%$436.87 (+1.86%)
Showing 10 of 43

US Market Status

Market Closed — Opens Thu (10h 50m)

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Report published Sep 9, 2026