// insider-profile

Chuang Tzu-Sou

OfficerTitle: VPView on SEC.gov ↗

// activity-summary

Recent insider activity is bullish. Over the last 30 days, 1 insider purchased shares (net $3K). Buying was led by Chuang Tzu-Sou.

// track-record

$7K
Total purchased
$0
Total sold
2
2B · 0S transactions
Net buyer
Overall direction

Most active in

TSM2B
Largest trade: $3K in TSM (May 2026)Filing history: Apr 2026 — May 2026Based on last 2 filings

Transaction History

Sourced from SEC EDGAR Form 4 filings. Updated hourly.

DateInsiderCompanyTypeSharesPriceValue
May 8, 2026Chuang Tzu-SouTSMPurchase48$71.82$3K
Apr 9, 2026Chuang Tzu-SouTSMPurchase58$57.87$3K