Tien Bor-Zen Insider Trading Activity

Corporate InsiderVP · CIK 2114023

24

Total trades

$534K

Total volume

Aug 7, 2026

Last activity

TSM

TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD

Tien Bor-Zen has been net-buying over the last 12 months with 24 purchases and 0 sales across 1 company.

TSM is the most-traded position with 24 trades. The largest single transaction was a purchase of TSM for $77K on Jun 29, 2026.

Performance Scorecard

Forward stock performance after each transaction by Tien Bor-Zen. Buy returns measure price movement after open-market purchases; sell-avoided measures the loss avoided after open-market sales. Success rate counts trades where the insider's direction was right.

PERIODAVG BUY RETURNAVG SELL AVOIDEDSUCCESS RATETRADES
30 days+342.9%100%22
90 days+370.3%100%12
120 days+377.3%100%5

Performance based on stock price movement after each transaction date. Past results do not predict future returns. Not financial advice.

Price & Trades

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TSM · TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD

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Recent Trades

DATETICKERTYPESHARESPRICEVALUEΔ OWNEDROLEFILING
Aug 7, 2026
TSMBuy7$73.31$513.17+9.6%VP
Aug 7, 2026
TSMBuy42$73.31$3K+18.4%VP
Aug 3, 2026
TSMBuy1,000$73.06$73K+7.7%VP
Jul 28, 2026
TSMBuy10$390.00$4K+8.5%VP
Jul 28, 2026
TSMBuy1,000$67.97$68K+25.0%VP
Jul 28, 2026
TSMBuy5$390.00$2K+3.9%VP
Jul 21, 2026
TSMBuy1,000$74.13$74K+8.3%VP
Jul 20, 2026
Filed 3d late
TSMBuy10$405.00$4K+9.3%VP
Jul 7, 2026
TSMBuy40$76.62$3K+21.3%VP
Jul 7, 2026
TSMBuy6$76.62$459.72+9.0%VP
Jun 30, 2026
TSMBuy1,000$75.70$76KVP
Jun 29, 2026
TSMBuy1,000$76.64$77K+9.0%VP
Jun 5, 2026
TSMBuy43$76.01$3K+29.7%VP
Jun 5, 2026
TSMBuy7$76.01$532.07+11.7%VP
May 20, 2026
TSMBuy7$400.00$3K+7.0%VP
May 19, 2026
TSMBuy1,000$69.98$70K+11.0%VP
May 19, 2026
TSMBuy10$391.81$4K+11.1%VP
May 8, 2026
TSMBuy44$71.82$3K+43.6%VP
May 8, 2026
TSMBuy7$71.82$502.74+13.2%VP
Apr 28, 2026
TSMBuy5$390.00$2K+6.3%VP
Apr 28, 2026
TSMBuy10$386.00$4K+14.3%VP
Apr 9, 2026
TSMBuy53$57.87$3K+110.4%VP
Apr 9, 2026
TSMBuy9$57.87$520.83+20.5%VP
Mar 22, 2026
TSMBuy1,000$55.93$56K+12.4%VP

Top Companies Traded

TICKERCOMPANYTRADESTOTAL VOLUME
TSMTAIWAN SEMICONDUCTOR MANUFACTURING CO LTD24$534K

Other insiders at TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD

10 other tracked filers at TSM.