Chin-Sheng Lu: insider trades

Every open market trade Chin-Sheng Lu has filed with the SEC, when each filing appeared, and how the buys did against the S&P 500 once the filing was public.

Key Facts

  • Chin-Sheng Lu is listed as VP at TSM.
  • Between 2026-07-09 (9 July 2026) and 2026-09-09 (9 September 2026) Chin-Sheng Lu filed 3 open market buys worth $8.6K and 0 open market sales worth $0.
  • None of Chin-Sheng Lu's buys has matured 90 days yet, so there is no return to report.
  • Data as of 2026-09-29 (29 September 2026).
Open market buys 3 $8.6K
Open market sales 0 $0
Avg vs S&P, 90d n/a 0 scored buys
Beat the S&P n/a 90 days after entry

Would copying Chin-Sheng Lu have paid?

prices as of 2026-09-28

The result. None of Chin-Sheng Lu's buys has matured 90 days yet, so there is no return to report.

Average return of Chin-Sheng Lu's open market buys against the S&P 500.
Days after entryScored buysAvg vs S&PBeat S&PEntry monthst statisticReading
30 days 2 -1.3% 50% 2 n/a too few trades to draw a conclusion
90 days 0 n/a n/a n/a n/a too few trades to tell
180 days 0 n/a n/a n/a n/a too few trades to tell

A return curve needs at least 10 scored buys. Chin-Sheng Lu does not have enough yet.

Stocks traded

  1. TSM3 trades, $8.6K

Every open market trade

as of 2026-09-29
3 trades.
Open market trades filed by Chin-Sheng Lu, newest first.
FiledStockTypeSharesPriceValue90 day vs S&P
9 Sep 2026 TSM buy 38 $76.20 $2.9K n/a
10 Aug 2026 TSM buy 39 $73.31 $2.9K n/a
9 Jul 2026 TSM buy 37 $76.62 $2.8K n/a

Insider sales are shown but not scored, because they are often planned for tax or diversification reasons.

Frequently asked questions

What has Chin-Sheng Lu bought and sold?

Between 2026-07-09 (9 July 2026) and 2026-09-09 (9 September 2026) Chin-Sheng Lu filed 3 open market buys worth $8.6K and 0 open market sales worth $0.

Did Chin-Sheng Lu's buys beat the market?

None of Chin-Sheng Lu's buys has matured 90 days yet, so there is no return to report. Insider sales are not scored because they are often planned for tax or diversification reasons.

Sources: Insider trades: SEC Form 4 filings, collected from Finviz. Prices: Yahoo Finance daily adjusted closes. Data as of 2026-09-29 (29 September 2026). About these sources.

Not investment advice. Past disclosed trades do not predict future returns. Disclosures are published late, so the trades shown are ones you could only have copied after the fact. Talk to a licensed adviser before you invest.