TAIWAN SEMICONDUCTOR MANUFACTURING (TSM) stock: insider trades, news & valuation
Information Technology · Strong buying
Close · Oct 9, 2026
$453.31
-1.0% on the day
+52.8% over 12 months
52-week range $272.18 – $485.80
Share price and insider trades
TSM closeInsider buyInsider sale
Bought, 12 months$2.4M
Sold, 12 months$14.0M
Insiders buying7
Insiders selling2
TAIWAN SEMICONDUCTOR MANUFACTURING insider trading at a glance (Oct 9, 2026): in the past 12 months, 7 insiders bought $2.4M and 2 sold $14.0M of TSM stock on the open market, including a cluster buy that began Jun 22, 2026; P/E 32.9 vs. a sector median of 32.1.
Get emailed when insiders cluster-buy stocks like TSM
Free alerts the day a new cluster buy is filed, plus the Monday report of the week's biggest insider trades.
Free · unsubscribe anytime · not investment advice · see a sample issue
TSM insider buying and selling by quarter
Open-market purchases (green, above the line) and sales (red, below), by trade date.
| Quarter | Bought | Purchases | Sold | Sales |
|---|---|---|---|---|
| Q4 2026 | $121K | 31 | — | 0 |
| Q3 2026 | $1.5M | 114 | $4K | 1 |
| Q2 2026 | $813K | 101 | $14.0M | 1 |
| Q1 2026 | $486K | 2 | — | 0 |
Valuation, profit and volume
Pick score 53/100P/E (trailing)32.9Sector median 32.1
Market value$2351.08BSemiconductors
Profit margin49.9%Revenue growth +36.0%
Volume vs. 50-day0.9×Last 5 sessions
Insiders' paper profit+$15.4MOn all tracked purchases +490.0%
Summary
Over the past 12 months, 7 TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD insiders reported open-market purchases totaling $2.4M, while 2 insiders reported sales totaling $14.0M. The most recent cluster buy began on Jun 22, 2026, when 3 insiders bought a combined $386K. Among insiders with enough purchase history to measure, Shyue-shyh Lin (Vp) has the highest Insider Score at 83. 0 of 2 recorded sales were made under pre-scheduled Rule 10b5-1 trading plans, which are usually less informative than discretionary sales.
Insider transactions
Open-market purchases and sales.
| Filed | Insider | Type | Shares | Price | Value | Since | Score |
|---|---|---|---|---|---|---|---|
| Oct 8SEC | Che-chia WeiCEO, Chair | Buy | 14418,280 held (+1%) | $79.39 | $11K | +471.0% | 54 |
| Oct 8SEC | Yuh-jier MiiCOO | Buy | 688,238 held (+1%) | $79.39 | $5K | +471.0% | — |
| Oct 8SEC | Yung-pei ChinCOO | Buy | 678,573 held (+1%) | $79.39 | $5K | +471.0% | — |
| Oct 8SEC | Yung-chin HouCOO | Buy | 60new position | $79.39 | $5K | +471.0% | — |
| Oct 8SEC | Kevin Xiaoqiang ZhangCOO | Buy | 597,406 held (+1%) | $79.39 | $5K | +471.0% | — |
| Oct 8SEC | Shu-hua FangSvp And Gc | Buy | 536,761 held (+1%) | $79.39 | $4K | +471.0% | — |
| Oct 8SEC | Shien-yang WuSvp | Buy | 536,915 held (+1%) | $79.39 | $4K | +471.0% | — |
| Oct 8SEC | Kuo-chin HsuVp | Buy | 526,781 held (+1%) | $79.39 | $4K | +471.0% | — |
| Oct 8SEC | Ying-lang WangSvp | Buy | 526,551 held (+1%) | $79.39 | $4K | +471.0% | — |
| Oct 8SEC | Choh Fei YeapSvp | Buy | 5253 held (+5200%) | $79.39 | $4K | +471.0% | — |
| Oct 8SEC | Tzonz-sheng ChangSvp | Buy | 5152 held (+5100%) | $79.39 | $4K | +471.0% | — |
| Oct 8SEC | Min CaoVp | Buy | 516,824 held (+1%) | $79.39 | $4K | +471.0% | — |
| Oct 8SEC | Chun-hsien LeeSvp | Buy | 516,092 held (+1%) | $79.39 | $4K | +471.0% | — |
| Oct 8SEC | Chue-san YooVp | Buy | 506,744 held (+1%) | $79.39 | $4K | +471.0% | — |
| Oct 8SEC | Lee-chung LuVp | Buy | 496,534 held (+1%) | $79.39 | $4K | +471.0% | — |
| Oct 8SEC | Juiping ChuangVp | Buy | 4648 held (+2300%) | $79.39 | $4K | +471.0% | — |
| Oct 8SEC | Tzu-sou ChuangVp | Buy | 4647 held (+4600%) | $79.39 | $4K | +471.0% | — |
| Oct 8SEC | Syun-ming JangVp | Buy | 465,988 held (+1%) | $79.39 | $4K | +471.0% | — |
| Oct 8SEC | Yao-ching KuVp | Buy | 46234 held (+24%) | $79.39 | $4K | +471.0% | — |
| Oct 8SEC | Chris Horng-dar LinVp And Cio | Buy | 4445 held (+4400%) | $79.39 | $3K | +471.0% | — |
| Oct 8SEC | Shyue-shyh LinVp | Buy | 44384 held (+13%) | $79.39 | $3K | +471.0% | 83 |
| Oct 8SEC | Pei-hung ChenVp | Buy | 431,438 held (+3%) | $79.39 | $3K | +471.0% | — |
| Oct 8SEC | Jun HeVp | Buy | 4345 held (+2150%) | $79.39 | $3K | +471.0% | — |
| Oct 8SEC | Bor-zen TienVp | Buy | 40353 held (+13%) | $79.39 | $3K | +471.0% | 63 |
| Oct 8SEC | Lipen YuanVp | Buy | 401,341 held (+3%) | $79.39 | $3K | +471.0% | 44 |
| Oct 8SEC | Yuan-ko HwangVp | Buy | 39338 held (+13%) | $79.39 | $3K | +471.0% | — |
| Oct 8SEC | Yi-huang WuVp | Buy | 39199 held (+24%) | $79.39 | $3K | +471.0% | — |
| Oct 8SEC | Chin-sheng LuVp | Buy | 36187 held (+24%) | $79.39 | $3K | +471.0% | — |
| Oct 8SEC | Chih-ho ChenController | Buy | 31233 held (+15%) | $79.39 | $2K | +471.0% | — |
| Oct 8SEC | Jen-chau HuangCFO | Buy | 283,611 held (+1%) | $79.39 | $2K | +471.0% | — |
| Oct 8SEC | Bor-zen TienVp | Buy | 792 held (+8%) | $79.39 | $556 | +471.0% | 63 |
| Sep 9SEC | Che-chia WeiCEO, Chair | Buy | 14918,136 held (+1%) | $76.20 | $11K | +494.9% | 54 |
| Sep 9SEC | Yuh-jier MiiCOO | Buy | 718,170 held (+1%) | $76.20 | $5K | +494.9% | — |
| Sep 9SEC | Yung-pei ChinCOO | Buy | 718,506 held (+1%) | $76.20 | $5K | +494.9% | — |
| Sep 9SEC | Yung-chin HouCOO | Buy | 617,521 held (+1%) | $76.20 | $5K | +494.9% | — |
| Sep 9SEC | Kevin Xiaoqiang ZhangCOO | Buy | 617,347 held (+1%) | $76.20 | $5K | +494.9% | — |
| Sep 9SEC | Shien-yang WuSvp | Buy | 576,862 held (+1%) | $76.20 | $4K | +494.9% | — |
| Sep 9SEC | Shu-hua FangSvp And Gc | Buy | 566,708 held (+1%) | $76.20 | $4K | +494.9% | — |
| Sep 9SEC | Min CaoVp | Buy | 566,773 held (+1%) | $76.20 | $4K | +494.9% | — |
| Sep 9SEC | Kuo-chin HsuVp | Buy | 556,729 held (+1%) | $76.20 | $4K | +494.9% | — |
| Sep 9SEC | Choh Fei YeapSvp | Buy | 546,547 held (+1%) | $76.20 | $4K | +494.9% | — |
| Sep 9SEC | Ying-lang WangSvp | Buy | 546,499 held (+1%) | $76.20 | $4K | +494.9% | — |
| Sep 9SEC | Tzonz-sheng ChangSvp | Buy | 535,481 held (+1%) | $76.20 | $4K | +494.9% | — |
| Sep 9SEC | Chue-san YooVp | Buy | 536,694 held (+1%) | $76.20 | $4K | +494.9% | — |
| Sep 9SEC | Chun-hsien LeeSvp | Buy | 526,041 held (+1%) | $76.20 | $4K | +494.9% | — |
| Sep 9SEC | Lee-chung LuVp | Buy | 516,485 held (+1%) | $76.20 | $4K | +494.9% | — |
| Sep 9SEC | Juiping ChuangVp | Buy | 504,292 held (+1%) | $76.20 | $4K | +494.9% | — |
| Sep 9SEC | Syun-ming JangVp | Buy | 495,942 held (+1%) | $76.20 | $4K | +494.9% | — |
| Sep 9SEC | Tzu-sou ChuangVp | Buy | 475,853 held (+1%) | $76.20 | $4K | +494.9% | — |
| Sep 9SEC | Chris Horng-dar LinVp And Cio | Buy | 475,978 held (+1%) | $76.20 | $4K | +494.9% | — |
| Sep 9SEC | Yao-ching KuVp | Buy | 47188 held (+33%) | $76.20 | $4K | +494.9% | — |
| Sep 9SEC | Jun HeVp | Buy | 465,407 held (+1%) | $76.20 | $4K | +494.9% | — |
| Sep 9SEC | Pei-hung ChenVp | Buy | 461,395 held (+3%) | $76.20 | $4K | +494.9% | — |
| Sep 9SEC | Shyue-shyh LinVp | Buy | 44340 held (+15%) | $76.20 | $3K | +494.9% | 83 |
| Sep 9SEC | Bor-zen TienVp | Buy | 43313 held (+16%) | $76.20 | $3K | +494.9% | 63 |
| Sep 9SEC | Lipen YuanVp | Buy | 411,301 held (+3%) | $76.20 | $3K | +494.9% | 44 |
| Sep 9SEC | Yi-huang WuVp | Buy | 40160 held (+33%) | $76.20 | $3K | +494.9% | — |
| Sep 9SEC | Yuan-ko HwangVp | Buy | 40299 held (+15%) | $76.20 | $3K | +494.9% | — |
| Sep 9SEC | Chin-sheng LuVp | Buy | 38151 held (+34%) | $76.20 | $3K | +494.9% | — |
| Sep 9SEC | Chih-ho ChenController | Buy | 32202 held (+19%) | $76.20 | $2K | +494.9% | — |
| Sep 9SEC | Jen-chau HuangCFO | Buy | 303,583 held (+1%) | $76.20 | $2K | +494.9% | — |
| Sep 9SEC | Bor-zen TienVp | Buy | 585 held (+6%) | $76.20 | $381 | +494.9% | 63 |
| Sep 4SEC | Shu-hua FangSvp And Gc | Buy | 1,0007,206 held (+16%) | $77.09 | $77K | +488.0% | — |
| Sep 4SEC | Shu-hua FangSvp And Gc | Buy | 1,0008,206 held (+14%) | $77.09 | $77K | +488.0% | — |
| Aug 20SEC | Lipen YuanVp | Buy | 1,0006,000 held (+20%) | $74.50 | $74K | +508.5% | 44 |
| Aug 20SEC | Lipen YuanVp | Buy | 1,0007,000 held (+17%) | $73.77 | $74K | +514.5% | 44 |
| Aug 20SEC | Lipen YuanVp | Buy | 3502,000 held (+21%) | $73.58 | $26K | +516.1% | 44 |
| Aug 10SEC | Che-chia WeiCEO, Chair | Buy | 15217,987 held (+1%) | $73.31 | $11K | +518.3% | 54 |
| Aug 10SEC | Yung-pei ChinCOO | Buy | 728,435 held (+1%) | $73.31 | $5K | +518.3% | — |
| Aug 10SEC | Yuh-jier MiiCOO | Buy | 728,099 held (+1%) | $73.31 | $5K | +518.3% | — |
| Aug 10SEC | Kevin Xiaoqiang ZhangCOO | Buy | 637,286 held (+1%) | $73.31 | $5K | +518.3% | — |
| Aug 10SEC | Yung-chin HouCOO | Buy | 637,460 held (+1%) | $73.31 | $5K | +518.3% | — |
| Aug 10SEC | Shien-yang WuSvp | Buy | 576,805 held (+1%) | $73.31 | $4K | +518.3% | — |
| Aug 10SEC | Choh Fei YeapSvp | Buy | 576,493 held (+1%) | $73.31 | $4K | +518.3% | — |
| Aug 10SEC | Shu-hua FangSvp And Gc | Buy | 576,652 held (+1%) | $73.31 | $4K | +518.3% | — |
| Aug 10SEC | Min CaoVp | Buy | 556,717 held (+1%) | $73.31 | $4K | +518.3% | — |
| Aug 10SEC | Ying-lang WangSvp | Buy | 556,445 held (+1%) | $73.31 | $4K | +518.3% | — |
| Aug 10SEC | Chun-hsien LeeSvp | Buy | 545,989 held (+1%) | $73.31 | $4K | +518.3% | — |
| Aug 10SEC | Tzonz-sheng ChangSvp | Buy | 545,428 held (+1%) | $73.31 | $4K | +518.3% | — |
| Aug 10SEC | Kuo-chin HsuVp | Buy | 546,674 held (+1%) | $73.31 | $4K | +518.3% | — |
| Aug 10SEC | Lee-chung LuVp | Buy | 526,434 held (+1%) | $73.31 | $4K | +518.3% | — |
| Aug 10SEC | Chue-san YooVp | Buy | 516,641 held (+1%) | $73.31 | $4K | +518.3% | — |
| Aug 10SEC | Syun-ming JangVp | Buy | 505,893 held (+1%) | $73.31 | $4K | +518.3% | — |
| Aug 10SEC | Chris Horng-dar LinVp And Cio | Buy | 495,931 held (+1%) | $73.31 | $4K | +518.3% | — |
| Aug 10SEC | Juiping ChuangVp | Buy | 494,242 held (+1%) | $73.31 | $4K | +518.3% | — |
| Aug 10SEC | Shyue-shyh LinVp | Buy | 47296 held (+19%) | $73.31 | $3K | +518.3% | 83 |
| Aug 10SEC | Tzu-sou ChuangVp | Buy | 475,806 held (+1%) | $73.31 | $3K | +518.3% | — |
| Aug 10SEC | Yao-ching KuVp | Buy | 47141 held (+50%) | $73.31 | $3K | +518.3% | — |
| Aug 10SEC | Jun HeVp | Buy | 465,361 held (+1%) | $73.31 | $3K | +518.3% | — |
| Aug 10SEC | Pei-hung ChenVp | Buy | 461,349 held (+4%) | $73.31 | $3K | +518.3% | — |
| Aug 10SEC | Bor-zen TienVp | Buy | 42270 held (+18%) | $73.31 | $3K | +518.3% | 63 |
| Aug 10SEC | Lipen YuanVp | Buy | 421,260 held (+3%) | $73.31 | $3K | +518.3% | 44 |
| Aug 10SEC | Yi-huang WuVp | Buy | 41120 held (+52%) | $73.31 | $3K | +518.3% | — |
| Aug 10SEC | Yuan-ko HwangVp | Buy | 40259 held (+18%) | $73.31 | $3K | +518.3% | — |
| Aug 10SEC | Chin-sheng LuVp | Buy | 39113 held (+53%) | $73.31 | $3K | +518.3% | — |
| Aug 10SEC | Chih-ho ChenController | Buy | 33170 held (+24%) | $73.31 | $2K | +518.3% | — |
| Aug 10SEC | Jen-chau HuangCFO | Buy | 293,553 held (+1%) | $73.31 | $2K | +518.3% | — |
| Aug 10SEC | Bor-zen TienVp | Buy | 780 held (+10%) | $73.31 | $513 | +518.3% | 63 |
| Aug 4SEC | Bor-zen TienVp | Buy | 1,00014,051 held (+8%) | $73.06 | $73K | +520.5% | 63 |
| Jul 30SEC | Bor-zen TienVp | Buy | 1,0005,000 held (+25%) | $67.97 | $68K | +566.9% | 63 |
| Jul 30SEC | Bor-zen TienVp | Buy | 10127 held (+9%) | $390.00 | $4K | +16.2% | 63 |
| Jul 30SEC | Bor-zen TienVp | Buy | 5132 held (+4%) | $390.00 | $2K | +16.2% | 63 |
| Jul 23SEC | Bor-zen TienVp | Buy | 1,0004,000 held (+33%) | $74.75 | $75K | +506.4% | 63 |
| Jul 23SEC | Bor-zen TienVp | Buy | 1,0003,000 held (+50%) | $74.44 | $74K | +509.0% | 63 |
| Jul 23SEC | Bor-zen TienVp | Buy | 1,00013,051 held (+8%) | $74.13 | $74K | +511.5% | 63 |
| Jul 23SEC | Bor-zen TienVp | Buy | 1,0002,000 held (+100%) | $73.98 | $74K | +512.7% | 63 |
| Jul 23SEC | Bor-zen TienVp | Buy | 10117 held (+9%) | $405.00 | $4K | +11.9% | 63 |
| Jul 22SEC | Shyue-shyh LinVp | Buy | 1,00030,269 held (+3%) | $74.13 | $74K | +511.5% | 83 |
| Jul 22SEC | Shyue-shyh LinVp | Buy | 1,00029,269 held (+4%) | $72.65 | $73K | +524.0% | 83 |
| Jul 21SEC | Shyue-shyh LinVp | Buy | 1,00027,269 held (+4%) | $72.10 | $72K | +528.7% | 83 |
| Jul 21SEC | Shyue-shyh LinVp | Buy | 1,0005,000 held (+25%) | $71.94 | $72K | +530.1% | 83 |
| Jul 21SEC | Shyue-shyh LinVp | Buy | 1,00028,269 held (+4%) | $71.32 | $71K | +535.6% | 83 |
| Jul 16SEC | Chih-ho ChenController | Sell | 50363 held (−12%) | $75.22 | $4K | +502.6% | — |
| Jul 16SEC | Chih-ho ChenController | Buy | 50413 held (+14%) | $74.60 | $4K | +507.7% | — |
| Jul 9SEC | Che-chia WeiCEO, Chair | Buy | 14617,835 held (+1%) | $76.62 | $11K | +491.6% | 54 |
| Jul 9SEC | Yung-pei ChinCOO | Buy | 698,363 held (+1%) | $76.62 | $5K | +491.6% | — |
| Jul 9SEC | Yuh-jier MiiCOO | Buy | 688,027 held (+1%) | $76.62 | $5K | +491.6% | — |
| Jul 9SEC | Yung-chin HouCOO | Buy | 617,397 held (+1%) | $76.62 | $5K | +491.6% | — |
| Jul 9SEC | Kevin Xiaoqiang ZhangCOO | Buy | 617,223 held (+1%) | $76.62 | $5K | +491.6% | — |
| Jul 9SEC | Shu-hua FangSvp And Gc | Buy | 546,595 held (+1%) | $76.62 | $4K | +491.6% | — |
| Jul 9SEC | Min CaoVp | Buy | 546,662 held (+1%) | $76.62 | $4K | +491.6% | — |
| Jul 9SEC | Shien-yang WuSvp | Buy | 546,748 held (+1%) | $76.62 | $4K | +491.6% | — |
| Jul 9SEC | Choh Fei YeapSvp | Buy | 536,436 held (+1%) | $76.62 | $4K | +491.6% | — |
| Jul 9SEC | Ying-lang WangSvp | Buy | 536,390 held (+1%) | $76.62 | $4K | +491.6% | — |
| Jul 9SEC | Kuo-chin HsuVp | Buy | 526,620 held (+1%) | $76.62 | $4K | +491.6% | — |
| Jul 9SEC | Tzonz-sheng ChangSvp | Buy | 525,374 held (+1%) | $76.62 | $4K | +491.6% | — |
| Jul 9SEC | Chue-san YooVp | Buy | 516,590 held (+1%) | $76.62 | $4K | +491.6% | — |
| Jul 9SEC | Chun-hsien LeeSvp | Buy | 505,935 held (+1%) | $76.62 | $4K | +491.6% | — |
| Jul 9SEC | Lee-chung LuVp | Buy | 496,382 held (+1%) | $76.62 | $4K | +491.6% | — |
| Jul 9SEC | Yung-haw LiawVp | Buy | 486,241 held (+1%) | $76.62 | $4K | +491.6% | — |
| Jul 9SEC | Juiping ChuangVp | Buy | 474,193 held (+1%) | $76.62 | $4K | +491.6% | — |
| Jul 9SEC | Syun-ming JangVp | Buy | 475,843 held (+1%) | $76.62 | $4K | +491.6% | — |
| Jul 9SEC | Chris Horng-dar LinVp And Cio | Buy | 465,882 held (+1%) | $76.62 | $4K | +491.6% | — |
| Jul 9SEC | Yao-ching KuVp | Buy | 4694 held (+96%) | $76.62 | $4K | +491.6% | — |
| Jul 9SEC | Jun HeVp | Buy | 455,315 held (+1%) | $76.62 | $3K | +491.6% | — |
| Jul 9SEC | Tzu-sou ChuangVp | Buy | 455,759 held (+1%) | $76.62 | $3K | +491.6% | — |
| Jul 9SEC | Pei-hung ChenVp | Buy | 441,303 held (+3%) | $76.62 | $3K | +491.6% | — |
| Jul 9SEC | Shyue-shyh LinVp | Buy | 44249 held (+21%) | $76.62 | $3K | +491.6% | 83 |
| Jul 9SEC | Lipen YuanVp | Buy | 401,218 held (+3%) | $76.62 | $3K | +491.6% | 44 |
| Jul 9SEC | Yuan-ko HwangVp | Buy | 40219 held (+22%) | $76.62 | $3K | +491.6% | — |
| Jul 9SEC | Bor-zen TienVp | Buy | 40228 held (+21%) | $76.62 | $3K | +491.6% | 63 |
| Jul 9SEC | Yi-huang WuVp | Buy | 3979 held (+98%) | $76.62 | $3K | +491.6% | — |
| Jul 9SEC | Chin-sheng LuVp | Buy | 3774 held (+100%) | $76.62 | $3K | +491.6% | — |
| Jul 9SEC | Chih-ho ChenController | Buy | 31137 held (+29%) | $76.62 | $2K | +491.6% | — |
| Jul 9SEC | Jen-chau HuangCFO | Buy | 283,524 held (+1%) | $76.62 | $2K | +491.6% | — |
| Jul 9SEC | Bor-zen TienVp | Buy | 673 held (+9%) | $76.62 | $460 | +491.6% | 63 |
| Jun 30SEC | Bor-zen TienVp | Buy | 1,00012,051 held (+9%) | $76.64 | $77K | +491.5% | 63 |
| Jun 30SEC | Bor-zen TienVp | Buy | 1,000new position | $75.70 | $76K | +498.8% | 63 |
| Jun 23SEC | Lipen YuanVp | Buy | 1,0005,000 held (+25%) | $79.19 | $79K | +472.4% | 44 |
| Jun 16SEC | Lipen YuanVp | Buy | 1,0004,000 held (+33%) | $75.26 | $75K | +502.3% | 44 |
| Jun 9SEC | Che-chia WeiCEO, Chair | Buy | 15017,689 held (+1%) | $76.01 | $11K | +496.4% | 54 |
| Jun 9SEC | Yuh-jier MiiCOO | Buy | 727,959 held (+1%) | $76.01 | $5K | +496.4% | — |
| Jun 9SEC | Yung-pei ChinCOO | Buy | 718,294 held (+1%) | $76.01 | $5K | +496.4% | — |
| Jun 9SEC | Kevin Xiaoqiang ZhangCOO | Buy | 627,162 held (+1%) | $76.01 | $5K | +496.4% | — |
| Jun 9SEC | Yung-chin HouCOO | Buy | 627,336 held (+1%) | $76.01 | $5K | +496.4% | — |
| Jun 9SEC | Shien-yang WuSvp | Buy | 576,694 held (+1%) | $76.01 | $4K | +496.4% | — |
| Jun 9SEC | Ying-lang WangSvp | Buy | 566,337 held (+1%) | $76.01 | $4K | +496.4% | — |
| Jun 9SEC | Shu-hua FangSvp And Gc | Buy | 556,541 held (+1%) | $76.01 | $4K | +496.4% | — |
| Jun 9SEC | Choh Fei YeapSvp | Buy | 556,383 held (+1%) | $76.01 | $4K | +496.4% | — |
| Jun 9SEC | Min CaoVp | Buy | 546,608 held (+1%) | $76.01 | $4K | +496.4% | — |
| Jun 9SEC | Chue-san YooVp | Buy | 536,539 held (+1%) | $76.01 | $4K | +496.4% | — |
| Jun 9SEC | Kuo-chin HsuVp | Buy | 536,568 held (+1%) | $76.01 | $4K | +496.4% | — |
| Jun 9SEC | Tzonz-sheng ChangSvp | Buy | 535,322 held (+1%) | $76.01 | $4K | +496.4% | — |
| Jun 9SEC | Lee-chung LuVp | Buy | 526,333 held (+1%) | $76.01 | $4K | +496.4% | — |
| Jun 9SEC | Chun-hsien LeeSvp | Buy | 515,885 held (+1%) | $76.01 | $4K | +496.4% | — |
| Jun 9SEC | Juiping ChuangVp | Buy | 504,146 held (+1%) | $76.01 | $4K | +496.4% | — |
| Jun 9SEC | Syun-ming JangVp | Buy | 495,796 held (+1%) | $76.01 | $4K | +496.4% | — |
| Jun 9SEC | Yung-haw LiawVp | Buy | 486,193 held (+1%) | $76.01 | $4K | +496.4% | — |
| Jun 9SEC | Yao-ching KuVp | Buy | 48new position | $76.01 | $4K | +496.4% | — |
| Jun 9SEC | Chris Horng-dar LinVp And Cio | Buy | 485,836 held (+1%) | $76.01 | $4K | +496.4% | — |
| Jun 9SEC | Jun HeVp | Buy | 465,270 held (+1%) | $76.01 | $3K | +496.4% | — |
| Jun 9SEC | Tzu-sou ChuangVp | Buy | 465,714 held (+1%) | $76.01 | $3K | +496.4% | — |
| Jun 9SEC | Shyue-shyh LinVp | Buy | 46205 held (+29%) | $76.01 | $3K | +496.4% | 83 |
| Jun 9SEC | Pei-hung ChenVp | Buy | 461,259 held (+4%) | $76.01 | $3K | +496.4% | — |
| Jun 9SEC | Bor-zen TienVp | Buy | 43188 held (+30%) | $76.01 | $3K | +496.4% | 63 |
| Jun 9SEC | Lipen YuanVp | Buy | 421,178 held (+4%) | $76.01 | $3K | +496.4% | 44 |
| Jun 9SEC | Yuan-ko HwangVp | Buy | 40179 held (+29%) | $76.01 | $3K | +496.4% | — |
| Jun 9SEC | Yi-huang WuVp | Buy | 40new position | $76.01 | $3K | +496.4% | — |
| Jun 9SEC | Chin-sheng LuVp | Buy | 37new position | $76.01 | $3K | +496.4% | — |
| Jun 9SEC | Chih-ho ChenController | Buy | 32106 held (+43%) | $76.01 | $2K | +496.4% | — |
| Jun 9SEC | Jen-chau HuangCFO | Buy | 303,496 held (+1%) | $76.01 | $2K | +496.4% | — |
| Jun 9SEC | Bor-zen TienVp | Buy | 767 held (+12%) | $76.01 | $532 | +496.4% | 63 |
| May 21SEC | Bor-zen TienVp | Buy | 10100 held (+11%) | $391.81 | $4K | +15.7% | 63 |
| May 21SEC | Bor-zen TienVp | Buy | 7107 held (+7%) | $400.00 | $3K | +13.3% | 63 |
| May 19SEC | Tzu-sou ChuangVp | Sell | 200,0002,495,165 held (−7%) | $69.83 | $14.0M | +549.2% | — |
| May 19SEC | Bor-zen TienVp | Buy | 1,00010,051 held (+11%) | $69.98 | $70K | +547.8% | 63 |
| May 19SEC | Bor-zen TienVp | Buy | 1,00011,051 held (+10%) | $69.83 | $70K | +549.2% | 63 |
| May 11SEC | Che-chia WeiCEO, Chair | Buy | 16017,539 held (+1%) | $71.82 | $11K | +531.2% | 54 |
| May 11SEC | Yung-pei ChinCOO | Buy | 758,223 held (+1%) | $71.82 | $5K | +531.2% | — |
| May 11SEC | Yuh-jier MiiCOO | Buy | 757,887 held (+1%) | $71.82 | $5K | +531.2% | — |
| May 11SEC | Yung-chin HouCOO | Buy | 667,274 held (+1%) | $71.82 | $5K | +531.2% | — |
| May 11SEC | Kevin Xiaoqiang ZhangCOO | Buy | 667,100 held (+1%) | $71.82 | $5K | +531.2% | — |
| May 11SEC | Shien-yang WuSvp | Buy | 606,637 held (+1%) | $71.82 | $4K | +531.2% | — |
| May 11SEC | Shu-hua FangSvp And Gc | Buy | 596,486 held (+1%) | $71.82 | $4K | +531.2% | — |
| May 11SEC | Choh Fei YeapSvp | Buy | 596,328 held (+1%) | $71.82 | $4K | +531.2% | — |
| May 11SEC | Min CaoVp | Buy | 596,554 held (+1%) | $71.82 | $4K | +531.2% | — |
| May 11SEC | Ying-lang WangSvp | Buy | 576,281 held (+1%) | $71.82 | $4K | +531.2% | — |
| May 11SEC | Tzonz-sheng ChangSvp | Buy | 565,269 held (+1%) | $71.82 | $4K | +531.2% | — |
| May 11SEC | Kuo-chin HsuVp | Buy | 566,515 held (+1%) | $71.82 | $4K | +531.2% | — |
| May 11SEC | Chue-san YooVp | Buy | 556,486 held (+1%) | $71.82 | $4K | +531.2% | — |
| May 11SEC | Lee-chung LuVp | Buy | 546,281 held (+1%) | $71.82 | $4K | +531.2% | — |
| May 11SEC | Yung-haw LiawVp | Buy | 536,145 held (+1%) | $71.82 | $4K | +531.2% | — |
| May 11SEC | Chun-hsien LeeVp | Buy | 535,834 held (+1%) | $71.82 | $4K | +531.2% | — |
| May 11SEC | Syun-ming JangVp | Buy | 525,747 held (+1%) | $71.82 | $4K | +531.2% | — |
| May 11SEC | Juiping ChuangVp | Buy | 514,096 held (+1%) | $71.82 | $4K | +531.2% | — |
| May 11SEC | Pei-hung ChenVp | Buy | 491,213 held (+4%) | $71.82 | $4K | +531.2% | — |
| May 11SEC | Jun HeVp | Buy | 495,224 held (+1%) | $71.82 | $4K | +531.2% | — |
| May 11SEC | Chris Horng-dar LinVp And Cio | Buy | 495,788 held (+1%) | $71.82 | $4K | +531.2% | — |
| May 11SEC | Tzu-sou ChuangVp | Buy | 485,668 held (+1%) | $71.82 | $3K | +531.2% | — |
| May 11SEC | Shyue-shyh LinVp | Buy | 48159 held (+43%) | $71.82 | $3K | +531.2% | 83 |
| May 11SEC | Lipen YuanVp | Buy | 441,136 held (+4%) | $71.82 | $3K | +531.2% | 44 |
| May 11SEC | Bor-zen TienVp | Buy | 44145 held (+44%) | $71.82 | $3K | +531.2% | 63 |
| May 11SEC | Yuan-ko HwangVp | Buy | 42139 held (+43%) | $71.82 | $3K | +531.2% | — |
| May 11SEC | Chih-ho ChenController | Buy | 3474 held (+85%) | $71.82 | $2K | +531.2% | — |
| May 11SEC | Jen-chau HuangCFO | Buy | 303,466 held (+1%) | $71.82 | $2K | +531.2% | — |
| May 11SEC | Bor-zen TienVp | Buy | 760 held (+13%) | $71.82 | $503 | +531.2% | 63 |
| Apr 29SEC | Bor-zen TienVp | Buy | 1080 held (+14%) | $386.00 | $4K | +17.4% | 63 |
| Apr 29SEC | Bor-zen TienVp | Buy | 585 held (+6%) | $390.00 | $2K | +16.2% | 63 |
| Apr 29SEC | Bor-zen TienVp | Buy | 590 held (+6%) | $390.00 | $2K | +16.2% | 63 |
| Apr 13SEC | Che-chia WeiCEO, Chair | Buy | 18617,379 held (+1%) | $57.87 | $11K | +683.3% | 54 |
| Apr 13SEC | Yung-pei ChinCOO | Buy | 898,148 held (+1%) | $57.87 | $5K | +683.3% | — |
| Apr 13SEC | Yuh-jier MiiCOO | Buy | 887,812 held (+1%) | $57.87 | $5K | +683.3% | — |
| Apr 13SEC | Kevin Xiaoqiang ZhangCOO | Buy | 797,034 held (+1%) | $57.87 | $5K | +683.3% | — |
| Apr 13SEC | Yung-chin HouCOO | Buy | 787,208 held (+1%) | $57.87 | $5K | +683.3% | — |
| Apr 13SEC | Shien-yang WuSvp | Buy | 716,577 held (+1%) | $57.87 | $4K | +683.3% | — |
| Apr 13SEC | Shu-hua FangSvp And Gc | Buy | 706,427 held (+1%) | $57.87 | $4K | +683.3% | — |
| Apr 13SEC | Ying-lang WangSvp | Buy | 696,224 held (+1%) | $57.87 | $4K | +683.3% | — |
| Apr 13SEC | Choh Fei YeapSvp | Buy | 686,269 held (+1%) | $57.87 | $4K | +683.3% | — |
| Apr 13SEC | Tzonz-sheng ChangSvp | Buy | 675,213 held (+1%) | $57.87 | $4K | +683.3% | — |
| Apr 13SEC | Kuo-chin HsuVp | Buy | 666,459 held (+1%) | $57.87 | $4K | +683.3% | — |
| Apr 13SEC | Min CaoVp | Buy | 666,495 held (+1%) | $57.87 | $4K | +683.3% | — |
| Apr 13SEC | Lee-chung LuVp | Buy | 656,227 held (+1%) | $57.87 | $4K | +683.3% | — |
| Apr 13SEC | Chue-san YooVp | Buy | 656,431 held (+1%) | $57.87 | $4K | +683.3% | — |
| Apr 13SEC | Chun-hsien LeeVp | Buy | 635,781 held (+1%) | $57.87 | $4K | +683.3% | — |
| Apr 13SEC | Syun-ming JangVp | Buy | 625,695 held (+1%) | $57.87 | $4K | +683.3% | — |
| Apr 13SEC | Juiping ChuangVp | Buy | 624,045 held (+2%) | $57.87 | $4K | +683.3% | — |
| Apr 13SEC | Yung-haw LiawVp | Buy | 616,092 held (+1%) | $57.87 | $4K | +683.3% | — |
| Apr 13SEC | Chris Horng-dar LinVp And Cio | Buy | 605,739 held (+1%) | $57.87 | $3K | +683.3% | — |
| Apr 13SEC | Jun HeVp | Buy | 585,175 held (+1%) | $57.87 | $3K | +683.3% | — |
| Apr 13SEC | Tzu-sou ChuangVp | Buy | 585,620 held (+1%) | $57.87 | $3K | +683.3% | — |
| Apr 13SEC | Shyue-shyh LinVp | Buy | 58111 held (+109%) | $57.87 | $3K | +683.3% | 83 |
| Apr 13SEC | Pei-hung ChenVp | Buy | 571,164 held (+5%) | $57.87 | $3K | +683.3% | — |
| Apr 13SEC | Bor-zen TienVp | Buy | 53101 held (+110%) | $57.87 | $3K | +683.3% | 63 |
| Apr 13SEC | Lipen YuanVp | Buy | 521,092 held (+5%) | $57.87 | $3K | +683.3% | 44 |
| Apr 13SEC | Yuan-ko HwangVp | Buy | 5197 held (+111%) | $57.87 | $3K | +683.3% | — |
| Apr 13SEC | Chih-ho ChenController | Buy | 40new position | $57.87 | $2K | +683.3% | — |
| Apr 13SEC | Jen-chau HuangCFO | Buy | 373,436 held (+1%) | $57.87 | $2K | +683.3% | — |
| Apr 13SEC | Bor-zen TienVp | Buy | 953 held (+20%) | $57.87 | $521 | +683.3% | 63 |
| Apr 1SEC | Ursula M BurnsDirector | Buy | 1,0003,000 held (+50%) | $322.05 | $322K | +40.8% | — |
| Mar 31SEC | Shyue-shyh LinVp | Buy | 3,00026,269 held (+13%) | $54.72 | $164K | +728.4% | 83 |
Insiders at TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD
| Insider | Bought | Sold | Last filing | Score |
|---|---|---|---|---|
| Tzu-sou ChuangVp | $24K | $14.0M | Oct 8, 2026 | — |
| Bor-zen TienVp | $836K | — | Oct 8, 2026 | 63 |
| Shyue-shyh LinVp | $662K | — | Oct 8, 2026 | 83 |
| Lipen YuanVp | $350K | — | Oct 8, 2026 | 44 |
| Ursula M BurnsDirector | $322K | — | Apr 1, 2026 | — |
| Shu-hua FangSvp And Gc | $183K | — | Oct 8, 2026 | — |
| Choh Fei YeapSvp | $85K | — | Oct 8, 2026 | — |
| Che-chia WeiCEO, Chair | $79K | — | Oct 8, 2026 | 54 |
| Yuh-jier MiiCOO | $37K | — | Oct 8, 2026 | — |
| Yung-pei ChinCOO | $37K | — | Oct 8, 2026 | — |
| Yung-chin HouCOO | $33K | — | Oct 8, 2026 | — |
| Kevin Xiaoqiang ZhangCOO | $33K | — | Oct 8, 2026 | — |
| Shien-yang WuSvp | $30K | — | Oct 8, 2026 | — |
| Ying-lang WangSvp | $29K | — | Oct 8, 2026 | — |
| Min CaoVp | $29K | — | Oct 8, 2026 | — |
| Kuo-chin HsuVp | $28K | — | Oct 8, 2026 | — |
| Tzonz-sheng ChangSvp | $28K | — | Oct 8, 2026 | — |
| Chue-san YooVp | $27K | — | Oct 8, 2026 | — |
| Chun-hsien LeeSvp | $27K | — | Oct 8, 2026 | — |
| Lee-chung LuVp | $27K | — | Oct 8, 2026 | — |
| Juiping ChuangVp | $26K | — | Oct 8, 2026 | — |
| Syun-ming JangVp | $26K | — | Oct 8, 2026 | — |
| Chris Horng-dar LinVp And Cio | $25K | — | Oct 8, 2026 | — |
| Jun HeVp | $24K | — | Oct 8, 2026 | — |
| Pei-hung ChenVp | $24K | — | Oct 8, 2026 | — |
| Chih-ho ChenController | $21K | $4K | Oct 8, 2026 | — |
| Yuan-ko HwangVp | $21K | — | Oct 8, 2026 | — |
| Yao-ching KuVp | $18K | — | Oct 8, 2026 | — |
| Jen-chau HuangCFO | $15K | — | Oct 8, 2026 | — |
| Yi-huang WuVp | $15K | — | Oct 8, 2026 | — |
| Yung-haw LiawVp | $15K | — | Jul 9, 2026 | — |
| Chin-sheng LuVp | $14K | — | Oct 8, 2026 | — |
Insider activity at other Information Technology companies
Same sector, ranked by insider buying in the last 90 days.
TSM stock: common questions
Are TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD insiders buying TSM stock?
In the past 12 months, 7 insiders reported open-market purchases of TSM worth $2.4M. The latest was CEO, Chair Che-chia Wei bought $11K of TSM at $79.39.
Are TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD insiders selling TSM stock?
2 insiders reported sales worth $14.0M over the same period.
Where does this data come from?
Every transaction comes from Form 4 filings that insiders must submit to the SEC within two business days of a trade. We pull them from SEC EDGAR every night.
What is TSM's P/E ratio?
TSM trades at about 32.9 times trailing earnings, compared with a median of 32.1 for the Information Technology sector.
What is TSM's 52-week range?
Over the past year TSM has traded between $272.18 and $485.80. It last closed at $453.31 on Oct 9, 2026.