Wu Shien-Yang

Officer · TSM

As of 2026-09-16, Wu Shien-Yang 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: $268.6MIndirect: $2.9M$271.5Mas of 2026-09-16
  • Direct $268.6M
  • Indirect $2.9M
TSMdirect643,109 sh$268.6M
TSMindirect6,862 sh$2.9M

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, 57 sh ($4K)2026-09-01: Award / grant, 12,881 sh ($0)2026-08-07: Purchase, 57 sh ($4K)2026-07-07: Purchase, 54 sh ($4K)2026-06-05: Purchase, 57 sh ($4K)2026-05-08: Purchase, 60 sh ($4K)2026-04-09: Purchase, 71 sh ($4K)

Filing ledger

DateCompanyActionShares @ priceValueOwnership ΔOwned afterFiling
2026-09-07TSMPurchase57 @ $76.20$4K+0.8% of holding6,862Form 4
2026-08-07TSMPurchase57 @ $73.31$4K+0.8% of holding6,805Form 4
2026-07-07TSMPurchase54 @ $76.62$4K+0.8% of holding6,748Form 4
2026-06-05TSMPurchase57 @ $76.01$4K+0.9% of holding6,694Form 4
2026-05-08TSMPurchase60 @ $71.82$4K+0.9% of holding6,637Form 4
2026-04-09TSMPurchase71 @ $57.87$4K+1.1% of holding6,577Form 4
1 award / exercise / gift record — not counted as purchases
DateCompanyActionSharesOwned afterFiling
2026-09-01TSMAward / grant12,881643,109Form 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.