Yoo Chue-San

Officer · TSM

As of 2026-09-16, Yoo Chue-San has 7 Form 4 transactions on record across 1 company — 7 in the trailing 12 months.

Everything this person has disclosed to the SEC on Form 4 — across every company they file for — reconstructed from the public record. A filing history, not a tip sheet.

Reconstructed holdings

Direct: $754.3MIndirect: $2.8M$757.1Mas of 2026-09-16
  • Direct $754.3M
  • Indirect $2.8M
TSMdirect1,805,789 sh$754.3M
TSMindirect6,694 sh$2.8M

Reconstructed from this person's own Form 4 filings — the total each filing reported owning afterward, priced at the close on the as-of date shown. A filed position can lag the real one.

Direct and indirect holdings (e.g. through a trust or fund) are tagged separately, as filed.

Trades by company

TSM · 7 trades
2026-09-07: Purchase, 53 sh ($4K)2026-09-01: Award / grant, 8,175 sh ($0)2026-08-07: Purchase, 51 sh ($4K)2026-07-07: Purchase, 51 sh ($4K)2026-06-05: Purchase, 53 sh ($4K)2026-05-08: Purchase, 55 sh ($4K)2026-04-09: Purchase, 65 sh ($4K)

Filing ledger

DateCompanyActionShares @ priceValueOwnership ΔOwned afterFiling
2026-09-07TSMPurchase53 @ $76.20$4K+0.8% of holding6,694Form 4
2026-08-07TSMPurchase51 @ $73.31$4K+0.8% of holding6,641Form 4
2026-07-07TSMPurchase51 @ $76.62$4K+0.8% of holding6,590Form 4
2026-06-05TSMPurchase53 @ $76.01$4K+0.8% of holding6,539Form 4
2026-05-08TSMPurchase55 @ $71.82$4K+0.9% of holding6,486Form 4
2026-04-09TSMPurchase65 @ $57.87$4K+1.0% of holding6,431Form 4
1 award / exercise / gift record — not counted as purchases
DateCompanyActionSharesOwned afterFiling
2026-09-01TSMAward / grant8,1751,805,789Form 4

Source: SEC Form 4 filings. Each row links to its original filing.

Research tool, not investment advice — historical frequencies, not recommendations. A product of Marovel Technologies LLC. Full terms.