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Ku Yao-Ching

5 Form 4 · free tier: 48h delay

Recent Form 4 slice from EDGAR — up to 30 filings (not a full archive).

For informational purposes only. Not investment advice. Data is aggregated from public SEC and congressional disclosures. Nothing on this site is a recommendation to buy or sell any security. Public disclosure of a trade is not evidence of wrongdoing or insider trading.

Data may be delayed — SEC EDGAR temporarily unavailable. Showing the last successfully cached results.

Recent Form 4 trades

Open-market purchases and sales

5 tx · 5 groups

TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD

TSM · Trade · Oct 7, 2026 · Filed · Oct 8, 2026

$3,652

46 sh

Buy

TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD

TSM · Trade · Sep 7, 2026 · Filed · Sep 9, 2026 · filed 2 days after trade

$3,581

47 sh

Buy

TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD

TSM · Trade · Aug 7, 2026 · Filed · Aug 10, 2026 · filed 3 days after trade

$3,446

47 sh

Buy

TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD

TSM · Trade · Jul 7, 2026 · Filed · Jul 9, 2026 · filed 2 days after trade

$3,525

46 sh

Buy

TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD

TSM · Trade · Jun 5, 2026 · Filed · Jun 9, 2026 · filed 4 days after trade

$3,648

48 sh

Buy