Insider Tracker SEC Form 4 insider trades
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TSM

TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD

Technology Semiconductors & Related Devices Market cap: not available All insider activity → Quote and statistics → Sign in to watch TSM Sign in to set a price alert

AI summary Insiders execute open-market purchases alongside recurring ESPP plan acquisitions amid robust AI-driven financial growth.

55
Insider Score Band below 60
Research score
59
AI adjustment
-4

Research score, not a recommendation.

Total bought$3.1M249 Form 4 purchases
Distinct insiders32open-market buyers
Lead insiderWei Che-ChiaCEO
Cluster window2026-03-22 → 2026-10-07active

Market data

Live quote and chart from Yahoo Finance, loaded through this server. Insider purchases are marked on the chart.

–

partial data Market cap is missing; missing inputs count as neutral in the score.

Why this score

Research score: a weighted blend of the five factors, times the routine and offering discounts, minus the selling penalty.

Breadth number & diversity of participating insiders
100%
Seniority executive rank of buyers (CEO/CFO/Director)
82%
Commitment purchase size relative to company & holdings
46%
Context buying into stock weakness signals conviction
50%
Timing coordinated purchases within a tight window
61%
Routine-purchase discount × 0.84
Company-type / offering discount × 1.00
Net insider selling penalty − 15

Why are they buying?

AI · mixed · catalyst credible · documented

Insiders increased their holdings through a combination of open-market purchases and regular employee stock purchase plan transactions, supported by strong second-quarter revenue and profit growth driven by the artificial intelligence chip boom.

Reports indicate significant year-over-year increases in net revenue and operating profits, alongside active insider buying reported by senior executives.

Stock Price & Insider Purchase History

Daily close price with open-market insider purchases plotted over time

Loading price history…

Transactions

249 Form 4 trades · 32 insiders Sign in to download CSV
Purchases in this cluster, grouped by insider, largest first
Date Insider Role Shares Price Value Flags Filing
2026-03-22 → 2026-10-07 Tien Bor-Zen history of Tien Bor-Zen's purchases VP 11,410 $73.13 avg $834.4K
routine
2026-03-22 Tien Bor-Zen 1,000 $55.93 $55.9K
SEC filing for Tien Bor-Zen (opens in a new tab)
2026-04-09 Tien Bor-Zen 9 $57.87 $521
SEC filing for Tien Bor-Zen (opens in a new tab)
2026-04-09 Tien Bor-Zen 53 $57.87 $3.1K
routine
SEC filing for Tien Bor-Zen (opens in a new tab)
2026-04-28 Tien Bor-Zen 10 $386.00 $3.9K
SEC filing for Tien Bor-Zen (opens in a new tab)
2026-04-28 Tien Bor-Zen 5 $390.00 $1.9K
SEC filing for Tien Bor-Zen (opens in a new tab)
2026-05-08 Tien Bor-Zen 44 $71.82 $3.2K
routine
SEC filing for Tien Bor-Zen (opens in a new tab)
2026-05-08 Tien Bor-Zen 7 $71.82 $503
SEC filing for Tien Bor-Zen (opens in a new tab)
2026-05-19 Tien Bor-Zen 1,000 $69.98 $70.0K
SEC filing for Tien Bor-Zen (opens in a new tab)
2026-05-19 Tien Bor-Zen 1,000 $69.83 $69.8K
SEC filing for Tien Bor-Zen (opens in a new tab)
2026-05-19 Tien Bor-Zen 10 $391.81 $3.9K
SEC filing for Tien Bor-Zen (opens in a new tab)
2026-05-20 Tien Bor-Zen 7 $400.00 $2.8K
SEC filing for Tien Bor-Zen (opens in a new tab)
2026-06-05 Tien Bor-Zen 43 $76.01 $3.3K
routine
SEC filing for Tien Bor-Zen (opens in a new tab)
2026-06-05 Tien Bor-Zen 7 $76.01 $532
SEC filing for Tien Bor-Zen (opens in a new tab)
2026-06-29 Tien Bor-Zen 1,000 $76.64 $76.6K
SEC filing for Tien Bor-Zen (opens in a new tab)
2026-06-30 Tien Bor-Zen 1,000 $75.70 $75.7K
SEC filing for Tien Bor-Zen (opens in a new tab)
2026-07-07 Tien Bor-Zen 40 $76.62 $3.1K
routine
SEC filing for Tien Bor-Zen (opens in a new tab)
2026-07-07 Tien Bor-Zen 6 $76.62 $460
SEC filing for Tien Bor-Zen (opens in a new tab)
2026-07-20 Tien Bor-Zen 10 $405.00 $4.0K
SEC filing for Tien Bor-Zen (opens in a new tab)
2026-07-21 Tien Bor-Zen 1,000 $74.13 $74.1K
SEC filing for Tien Bor-Zen (opens in a new tab)
2026-07-21 Tien Bor-Zen 1,000 $74.75 $74.8K
SEC filing for Tien Bor-Zen (opens in a new tab)
2026-07-21 Tien Bor-Zen 1,000 $73.98 $74.0K
SEC filing for Tien Bor-Zen (opens in a new tab)
2026-07-21 Tien Bor-Zen 1,000 $74.44 $74.4K
SEC filing for Tien Bor-Zen (opens in a new tab)
2026-07-28 Tien Bor-Zen 10 $390.00 $3.9K
SEC filing for Tien Bor-Zen (opens in a new tab)
2026-07-28 Tien Bor-Zen 5 $390.00 $1.9K
SEC filing for Tien Bor-Zen (opens in a new tab)
2026-07-28 Tien Bor-Zen 1,000 $67.97 $68.0K
SEC filing for Tien Bor-Zen (opens in a new tab)
2026-08-03 Tien Bor-Zen 1,000 $73.06 $73.1K
SEC filing for Tien Bor-Zen (opens in a new tab)
2026-08-07 Tien Bor-Zen 42 $73.31 $3.1K
routine
SEC filing for Tien Bor-Zen (opens in a new tab)
2026-08-07 Tien Bor-Zen 7 $73.31 $513
SEC filing for Tien Bor-Zen (opens in a new tab)
2026-09-07 Tien Bor-Zen 43 $76.20 $3.3K
routine
SEC filing for Tien Bor-Zen (opens in a new tab)
2026-09-07 Tien Bor-Zen 5 $76.20 $381
SEC filing for Tien Bor-Zen (opens in a new tab)
2026-10-07 Tien Bor-Zen 40 $79.39 $3.2K
routine
SEC filing for Tien Bor-Zen (opens in a new tab)
2026-10-07 Tien Bor-Zen 7 $79.39 $556
SEC filing for Tien Bor-Zen (opens in a new tab)
2026-03-29 → 2026-10-07 Lin Shyue-Shyh history of Lin Shyue-Shyh's purchases VP 10,331 $64.03 avg $661.5K
routine
2026-03-29 Lin Shyue-Shyh 2,000 $55.63 $111.3K
SEC filing for Lin Shyue-Shyh (opens in a new tab)
2026-03-30 Lin Shyue-Shyh 3,000 $54.72 $164.2K
SEC filing for Lin Shyue-Shyh (opens in a new tab)
2026-04-09 Lin Shyue-Shyh 58 $57.87 $3.4K
routine
SEC filing for Lin Shyue-Shyh (opens in a new tab)
2026-05-08 Lin Shyue-Shyh 48 $71.82 $3.4K
routine
SEC filing for Lin Shyue-Shyh (opens in a new tab)
2026-06-05 Lin Shyue-Shyh 46 $76.01 $3.5K
routine
SEC filing for Lin Shyue-Shyh (opens in a new tab)
2026-07-07 Lin Shyue-Shyh 44 $76.62 $3.4K
routine
SEC filing for Lin Shyue-Shyh (opens in a new tab)
2026-07-19 Lin Shyue-Shyh 1,000 $72.10 $72.1K
SEC filing for Lin Shyue-Shyh (opens in a new tab)
2026-07-19 Lin Shyue-Shyh 1,000 $71.32 $71.3K
SEC filing for Lin Shyue-Shyh (opens in a new tab)
2026-07-19 Lin Shyue-Shyh 1,000 $71.94 $71.9K
SEC filing for Lin Shyue-Shyh (opens in a new tab)
2026-07-20 Lin Shyue-Shyh 1,000 $72.65 $72.7K
SEC filing for Lin Shyue-Shyh (opens in a new tab)
2026-07-21 Lin Shyue-Shyh 1,000 $74.13 $74.1K
SEC filing for Lin Shyue-Shyh (opens in a new tab)
2026-08-07 Lin Shyue-Shyh 47 $73.31 $3.4K
routine
SEC filing for Lin Shyue-Shyh (opens in a new tab)
2026-09-07 Lin Shyue-Shyh 44 $76.20 $3.4K
routine
SEC filing for Lin Shyue-Shyh (opens in a new tab)
2026-10-07 Lin Shyue-Shyh 44 $79.39 $3.5K
routine
SEC filing for Lin Shyue-Shyh (opens in a new tab)
2026-04-09 → 2026-10-07 Yuan Lipen history of Yuan Lipen's purchases VP 4,651 $75.31 avg $350.3K
routine
2026-04-09 Yuan Lipen 52 $57.87 $3.0K
routine
SEC filing for Yuan Lipen (opens in a new tab)
2026-05-08 Yuan Lipen 44 $71.82 $3.2K
routine
SEC filing for Yuan Lipen (opens in a new tab)
2026-06-05 Yuan Lipen 42 $76.01 $3.2K
routine
SEC filing for Yuan Lipen (opens in a new tab)
2026-06-15 Yuan Lipen 1,000 $75.26 $75.3K
SEC filing for Yuan Lipen (opens in a new tab)
2026-06-22 Yuan Lipen 1,000 $79.19 $79.2K
SEC filing for Yuan Lipen (opens in a new tab)
2026-07-07 Yuan Lipen 40 $76.62 $3.1K
routine
SEC filing for Yuan Lipen (opens in a new tab)
2026-08-07 Yuan Lipen 42 $73.31 $3.1K
routine
SEC filing for Yuan Lipen (opens in a new tab)
2026-08-18 Yuan Lipen 1,000 $74.50 $74.5K
SEC filing for Yuan Lipen (opens in a new tab)
2026-08-18 Yuan Lipen 350 $73.58 $25.8K
SEC filing for Yuan Lipen (opens in a new tab)
2026-08-19 Yuan Lipen 1,000 $73.77 $73.8K
SEC filing for Yuan Lipen (opens in a new tab)
2026-09-07 Yuan Lipen 41 $76.20 $3.1K
routine
SEC filing for Yuan Lipen (opens in a new tab)
2026-10-07 Yuan Lipen 40 $79.39 $3.2K
routine
SEC filing for Yuan Lipen (opens in a new tab)
2026-03-31 BURNS URSULA M history of BURNS URSULA M's purchases Director 1,000 $322.05 $322.1K
SEC filing for BURNS URSULA M (opens in a new tab)
2026-04-09 → 2026-10-07 Fang Shu-Hua history of Fang Shu-Hua's purchases EVP / SVP 1,404 $75.75 avg $106.3K
routine
2026-04-09 Fang Shu-Hua 70 $57.87 $4.1K
routine
SEC filing for Fang Shu-Hua (opens in a new tab)
2026-05-08 Fang Shu-Hua 59 $71.82 $4.2K
routine
SEC filing for Fang Shu-Hua (opens in a new tab)
2026-06-05 Fang Shu-Hua 55 $76.01 $4.2K
routine
SEC filing for Fang Shu-Hua (opens in a new tab)
2026-07-02 Fang Shu-Hua 1,000 $77.09 $77.1K
SEC filing for Fang Shu-Hua (opens in a new tab)
2026-07-07 Fang Shu-Hua 54 $76.62 $4.1K
routine
SEC filing for Fang Shu-Hua (opens in a new tab)
2026-08-07 Fang Shu-Hua 57 $73.31 $4.2K
routine
SEC filing for Fang Shu-Hua (opens in a new tab)
2026-09-07 Fang Shu-Hua 56 $76.20 $4.3K
routine
SEC filing for Fang Shu-Hua (opens in a new tab)
2026-10-07 Fang Shu-Hua 53 $79.39 $4.2K
routine
SEC filing for Fang Shu-Hua (opens in a new tab)
2026-03-22 → 2026-10-07 Yeap Choh Fei history of Yeap Choh Fei's purchases EVP / SVP 1,398 $60.53 avg $84.6K
routine
2026-03-22 Yeap Choh Fei 1,000 $55.78 $55.8K
SEC filing for Yeap Choh Fei (opens in a new tab)
2026-04-09 Yeap Choh Fei 68 $57.87 $3.9K
routine
SEC filing for Yeap Choh Fei (opens in a new tab)
2026-05-08 Yeap Choh Fei 59 $71.82 $4.2K
routine
SEC filing for Yeap Choh Fei (opens in a new tab)
2026-06-05 Yeap Choh Fei 55 $76.01 $4.2K
routine
SEC filing for Yeap Choh Fei (opens in a new tab)
2026-07-07 Yeap Choh Fei 53 $76.62 $4.1K
routine
SEC filing for Yeap Choh Fei (opens in a new tab)
2026-08-07 Yeap Choh Fei 57 $73.31 $4.2K
routine
SEC filing for Yeap Choh Fei (opens in a new tab)
2026-09-07 Yeap Choh Fei 54 $76.20 $4.1K
routine
SEC filing for Yeap Choh Fei (opens in a new tab)
2026-10-07 Yeap Choh Fei 52 $79.39 $4.1K
routine
SEC filing for Yeap Choh Fei (opens in a new tab)
2026-04-09 → 2026-10-07 Wei Che-Chia history of Wei Che-Chia's purchases CEO 1,087 $72.47 avg $78.8K
routine
2026-04-09 Wei Che-Chia 186 $57.87 $10.8K
routine
SEC filing for Wei Che-Chia (opens in a new tab)
2026-05-08 Wei Che-Chia 160 $71.82 $11.5K
routine
SEC filing for Wei Che-Chia (opens in a new tab)
2026-06-05 Wei Che-Chia 150 $76.01 $11.4K
routine
SEC filing for Wei Che-Chia (opens in a new tab)
2026-07-07 Wei Che-Chia 146 $76.62 $11.2K
routine
SEC filing for Wei Che-Chia (opens in a new tab)
2026-08-07 Wei Che-Chia 152 $73.31 $11.1K
routine
SEC filing for Wei Che-Chia (opens in a new tab)
2026-09-07 Wei Che-Chia 149 $76.20 $11.4K
routine
SEC filing for Wei Che-Chia (opens in a new tab)
2026-10-07 Wei Che-Chia 144 $79.39 $11.4K
routine
SEC filing for Wei Che-Chia (opens in a new tab)
2026-04-09 → 2026-10-07 Mii Yuh-Jier history of Mii Yuh-Jier's purchases COO 514 $72.47 avg $37.2K
routine
2026-04-09 Mii Yuh-Jier 88 $57.87 $5.1K
routine
SEC filing for Mii Yuh-Jier (opens in a new tab)
2026-05-08 Mii Yuh-Jier 75 $71.82 $5.4K
routine
SEC filing for Mii Yuh-Jier (opens in a new tab)
2026-06-05 Mii Yuh-Jier 72 $76.01 $5.5K
routine
SEC filing for Mii Yuh-Jier (opens in a new tab)
2026-07-07 Mii Yuh-Jier 68 $76.62 $5.2K
routine
SEC filing for Mii Yuh-Jier (opens in a new tab)
2026-08-07 Mii Yuh-Jier 72 $73.31 $5.3K
routine
SEC filing for Mii Yuh-Jier (opens in a new tab)
2026-09-07 Mii Yuh-Jier 71 $76.20 $5.4K
routine
SEC filing for Mii Yuh-Jier (opens in a new tab)
2026-10-07 Mii Yuh-Jier 68 $79.39 $5.4K
routine
SEC filing for Mii Yuh-Jier (opens in a new tab)
2026-04-09 → 2026-10-07 Chin Yung-Pei history of Chin Yung-Pei's purchases COO 514 $72.43 avg $37.2K
routine
2026-04-09 Chin Yung-Pei 89 $57.87 $5.2K
routine
SEC filing for Chin Yung-Pei (opens in a new tab)
2026-05-08 Chin Yung-Pei 75 $71.82 $5.4K
routine
SEC filing for Chin Yung-Pei (opens in a new tab)
2026-06-05 Chin Yung-Pei 71 $76.01 $5.4K
routine
SEC filing for Chin Yung-Pei (opens in a new tab)
2026-07-07 Chin Yung-Pei 69 $76.62 $5.3K
routine
SEC filing for Chin Yung-Pei (opens in a new tab)
2026-08-07 Chin Yung-Pei 72 $73.31 $5.3K
routine
SEC filing for Chin Yung-Pei (opens in a new tab)
2026-09-07 Chin Yung-Pei 71 $76.20 $5.4K
routine
SEC filing for Chin Yung-Pei (opens in a new tab)
2026-10-07 Chin Yung-Pei 67 $79.39 $5.3K
routine
SEC filing for Chin Yung-Pei (opens in a new tab)
2026-04-09 → 2026-10-07 Hou Yung-Chin history of Hou Yung-Chin's purchases COO 451 $72.44 avg $32.7K
routine
2026-04-09 Hou Yung-Chin 78 $57.87 $4.5K
routine
SEC filing for Hou Yung-Chin (opens in a new tab)
2026-05-08 Hou Yung-Chin 66 $71.82 $4.7K
routine
SEC filing for Hou Yung-Chin (opens in a new tab)
2026-06-05 Hou Yung-Chin 62 $76.01 $4.7K
routine
SEC filing for Hou Yung-Chin (opens in a new tab)
2026-07-07 Hou Yung-Chin 61 $76.62 $4.7K
routine
SEC filing for Hou Yung-Chin (opens in a new tab)
2026-08-07 Hou Yung-Chin 63 $73.31 $4.6K
routine
SEC filing for Hou Yung-Chin (opens in a new tab)
2026-09-07 Hou Yung-Chin 61 $76.20 $4.6K
routine
SEC filing for Hou Yung-Chin (opens in a new tab)
2026-10-07 Hou Yung-Chin 60 $79.39 $4.8K
routine
SEC filing for Hou Yung-Chin (opens in a new tab)
2026-04-09 → 2026-10-07 Zhang Kevin Xiaoqiang history of Zhang Kevin Xiaoqiang's purchases COO 451 $72.39 avg $32.6K
routine
2026-04-09 Zhang Kevin Xiaoqiang 79 $57.87 $4.6K
routine
SEC filing for Zhang Kevin Xiaoqiang (opens in a new tab)
2026-05-08 Zhang Kevin Xiaoqiang 66 $71.82 $4.7K
routine
SEC filing for Zhang Kevin Xiaoqiang (opens in a new tab)
2026-06-05 Zhang Kevin Xiaoqiang 62 $76.01 $4.7K
routine
SEC filing for Zhang Kevin Xiaoqiang (opens in a new tab)
2026-07-07 Zhang Kevin Xiaoqiang 61 $76.62 $4.7K
routine
SEC filing for Zhang Kevin Xiaoqiang (opens in a new tab)
2026-08-07 Zhang Kevin Xiaoqiang 63 $73.31 $4.6K
routine
SEC filing for Zhang Kevin Xiaoqiang (opens in a new tab)
2026-09-07 Zhang Kevin Xiaoqiang 61 $76.20 $4.6K
routine
SEC filing for Zhang Kevin Xiaoqiang (opens in a new tab)
2026-10-07 Zhang Kevin Xiaoqiang 59 $79.39 $4.7K
routine
SEC filing for Zhang Kevin Xiaoqiang (opens in a new tab)
2026-04-09 → 2026-10-07 Wu Shien-Yang history of Wu Shien-Yang's purchases EVP / SVP 409 $72.42 avg $29.6K
routine
2026-04-09 Wu Shien-Yang 71 $57.87 $4.1K
routine
SEC filing for Wu Shien-Yang (opens in a new tab)
2026-05-08 Wu Shien-Yang 60 $71.82 $4.3K
routine
SEC filing for Wu Shien-Yang (opens in a new tab)
2026-06-05 Wu Shien-Yang 57 $76.01 $4.3K
routine
SEC filing for Wu Shien-Yang (opens in a new tab)
2026-07-07 Wu Shien-Yang 54 $76.62 $4.1K
routine
SEC filing for Wu Shien-Yang (opens in a new tab)
2026-08-07 Wu Shien-Yang 57 $73.31 $4.2K
routine
SEC filing for Wu Shien-Yang (opens in a new tab)
2026-09-07 Wu Shien-Yang 57 $76.20 $4.3K
routine
SEC filing for Wu Shien-Yang (opens in a new tab)
2026-10-07 Wu Shien-Yang 53 $79.39 $4.2K
routine
SEC filing for Wu Shien-Yang (opens in a new tab)
2026-04-09 → 2026-10-07 Wang Ying-Lang history of Wang Ying-Lang's purchases EVP / SVP 396 $72.42 avg $28.7K
routine
2026-04-09 Wang Ying-Lang 69 $57.87 $4.0K
routine
SEC filing for Wang Ying-Lang (opens in a new tab)
2026-05-08 Wang Ying-Lang 57 $71.82 $4.1K
routine
SEC filing for Wang Ying-Lang (opens in a new tab)
2026-06-05 Wang Ying-Lang 56 $76.01 $4.3K
routine
SEC filing for Wang Ying-Lang (opens in a new tab)
2026-07-07 Wang Ying-Lang 53 $76.62 $4.1K
routine
SEC filing for Wang Ying-Lang (opens in a new tab)
2026-08-07 Wang Ying-Lang 55 $73.31 $4.0K
routine
SEC filing for Wang Ying-Lang (opens in a new tab)
2026-09-07 Wang Ying-Lang 54 $76.20 $4.1K
routine
SEC filing for Wang Ying-Lang (opens in a new tab)
2026-10-07 Wang Ying-Lang 52 $79.39 $4.1K
routine
SEC filing for Wang Ying-Lang (opens in a new tab)
2026-04-09 → 2026-10-07 Cao Min history of Cao Min's purchases VP 395 $72.52 avg $28.6K
routine
2026-04-09 Cao Min 66 $57.87 $3.8K
routine
SEC filing for Cao Min (opens in a new tab)
2026-05-08 Cao Min 59 $71.82 $4.2K
routine
SEC filing for Cao Min (opens in a new tab)
2026-06-05 Cao Min 54 $76.01 $4.1K
routine
SEC filing for Cao Min (opens in a new tab)
2026-07-07 Cao Min 54 $76.62 $4.1K
routine
SEC filing for Cao Min (opens in a new tab)
2026-08-07 Cao Min 55 $73.31 $4.0K
routine
SEC filing for Cao Min (opens in a new tab)
2026-09-07 Cao Min 56 $76.20 $4.3K
routine
SEC filing for Cao Min (opens in a new tab)
2026-10-07 Cao Min 51 $79.39 $4.0K
routine
SEC filing for Cao Min (opens in a new tab)
2026-04-09 → 2026-10-07 Hsu Kuo-Chin history of Hsu Kuo-Chin's purchases VP 388 $72.51 avg $28.1K
routine
2026-04-09 Hsu Kuo-Chin 66 $57.87 $3.8K
routine
SEC filing for Hsu Kuo-Chin (opens in a new tab)
2026-05-08 Hsu Kuo-Chin 56 $71.82 $4.0K
routine
SEC filing for Hsu Kuo-Chin (opens in a new tab)
2026-06-05 Hsu Kuo-Chin 53 $76.01 $4.0K
routine
SEC filing for Hsu Kuo-Chin (opens in a new tab)
2026-07-07 Hsu Kuo-Chin 52 $76.62 $4.0K
routine
SEC filing for Hsu Kuo-Chin (opens in a new tab)
2026-08-07 Hsu Kuo-Chin 54 $73.31 $4.0K
routine
SEC filing for Hsu Kuo-Chin (opens in a new tab)
2026-09-07 Hsu Kuo-Chin 55 $76.20 $4.2K
routine
SEC filing for Hsu Kuo-Chin (opens in a new tab)
2026-10-07 Hsu Kuo-Chin 52 $79.39 $4.1K
routine
SEC filing for Hsu Kuo-Chin (opens in a new tab)
2026-04-09 → 2026-10-07 Chang Tzonz-Sheng history of Chang Tzonz-Sheng's purchases EVP / SVP 386 $72.43 avg $28.0K
routine
2026-04-09 Chang Tzonz-Sheng 67 $57.87 $3.9K
routine
SEC filing for Chang Tzonz-Sheng (opens in a new tab)
2026-05-08 Chang Tzonz-Sheng 56 $71.82 $4.0K
routine
SEC filing for Chang Tzonz-Sheng (opens in a new tab)
2026-06-05 Chang Tzonz-Sheng 53 $76.01 $4.0K
routine
SEC filing for Chang Tzonz-Sheng (opens in a new tab)
2026-07-07 Chang Tzonz-Sheng 52 $76.62 $4.0K
routine
SEC filing for Chang Tzonz-Sheng (opens in a new tab)
2026-08-07 Chang Tzonz-Sheng 54 $73.31 $4.0K
routine
SEC filing for Chang Tzonz-Sheng (opens in a new tab)
2026-09-07 Chang Tzonz-Sheng 53 $76.20 $4.0K
routine
SEC filing for Chang Tzonz-Sheng (opens in a new tab)
2026-10-07 Chang Tzonz-Sheng 51 $79.39 $4.0K
routine
SEC filing for Chang Tzonz-Sheng (opens in a new tab)
2026-04-09 → 2026-10-07 Yoo Chue-San history of Yoo Chue-San's purchases VP 378 $72.47 avg $27.4K
routine
2026-04-09 Yoo Chue-San 65 $57.87 $3.8K
routine
SEC filing for Yoo Chue-San (opens in a new tab)
2026-05-08 Yoo Chue-San 55 $71.82 $4.0K
routine
SEC filing for Yoo Chue-San (opens in a new tab)
2026-06-05 Yoo Chue-San 53 $76.01 $4.0K
routine
SEC filing for Yoo Chue-San (opens in a new tab)
2026-07-07 Yoo Chue-San 51 $76.62 $3.9K
routine
SEC filing for Yoo Chue-San (opens in a new tab)
2026-08-07 Yoo Chue-San 51 $73.31 $3.7K
routine
SEC filing for Yoo Chue-San (opens in a new tab)
2026-09-07 Yoo Chue-San 53 $76.20 $4.0K
routine
SEC filing for Yoo Chue-San (opens in a new tab)
2026-10-07 Yoo Chue-San 50 $79.39 $4.0K
routine
SEC filing for Yoo Chue-San (opens in a new tab)
2026-04-09 → 2026-10-07 Lee Chun-Hsien history of Lee Chun-Hsien's purchases VP 374 $72.54 avg $27.1K
routine
2026-04-09 Lee Chun-Hsien 63 $57.87 $3.6K
routine
SEC filing for Lee Chun-Hsien (opens in a new tab)
2026-05-08 Lee Chun-Hsien 53 $71.82 $3.8K
routine
SEC filing for Lee Chun-Hsien (opens in a new tab)
2026-06-05 Lee Chun-Hsien 51 $76.01 $3.9K
routine
SEC filing for Lee Chun-Hsien (opens in a new tab)
2026-07-07 Lee Chun-Hsien 50 $76.62 $3.8K
routine
SEC filing for Lee Chun-Hsien (opens in a new tab)
2026-08-07 Lee Chun-Hsien 54 $73.31 $4.0K
routine
SEC filing for Lee Chun-Hsien (opens in a new tab)
2026-09-07 Lee Chun-Hsien 52 $76.20 $4.0K
routine
SEC filing for Lee Chun-Hsien (opens in a new tab)
2026-10-07 Lee Chun-Hsien 51 $79.39 $4.0K
routine
SEC filing for Lee Chun-Hsien (opens in a new tab)
2026-04-09 → 2026-10-07 Lu Lee-Chung history of Lu Lee-Chung's purchases VP 372 $72.41 avg $26.9K
routine
2026-04-09 Lu Lee-Chung 65 $57.87 $3.8K
routine
SEC filing for Lu Lee-Chung (opens in a new tab)
2026-05-08 Lu Lee-Chung 54 $71.82 $3.9K
routine
SEC filing for Lu Lee-Chung (opens in a new tab)
2026-06-05 Lu Lee-Chung 52 $76.01 $4.0K
routine
SEC filing for Lu Lee-Chung (opens in a new tab)
2026-07-07 Lu Lee-Chung 49 $76.62 $3.8K
routine
SEC filing for Lu Lee-Chung (opens in a new tab)
2026-08-07 Lu Lee-Chung 52 $73.31 $3.8K
routine
SEC filing for Lu Lee-Chung (opens in a new tab)
2026-09-07 Lu Lee-Chung 51 $76.20 $3.9K
routine
SEC filing for Lu Lee-Chung (opens in a new tab)
2026-10-07 Lu Lee-Chung 49 $79.39 $3.9K
routine
SEC filing for Lu Lee-Chung (opens in a new tab)
2026-04-09 → 2026-10-07 Chuang Juiping history of Chuang Juiping's purchases VP 355 $72.41 avg $25.7K
routine
2026-04-09 Chuang Juiping 62 $57.87 $3.6K
routine
SEC filing for Chuang Juiping (opens in a new tab)
2026-05-08 Chuang Juiping 51 $71.82 $3.7K
routine
SEC filing for Chuang Juiping (opens in a new tab)
2026-06-05 Chuang Juiping 50 $76.01 $3.8K
routine
SEC filing for Chuang Juiping (opens in a new tab)
2026-07-07 Chuang Juiping 47 $76.62 $3.6K
routine
SEC filing for Chuang Juiping (opens in a new tab)
2026-08-07 Chuang Juiping 49 $73.31 $3.6K
routine
SEC filing for Chuang Juiping (opens in a new tab)
2026-09-07 Chuang Juiping 50 $76.20 $3.8K
routine
SEC filing for Chuang Juiping (opens in a new tab)
2026-10-07 Chuang Juiping 46 $79.39 $3.7K
routine
SEC filing for Chuang Juiping (opens in a new tab)
2026-04-09 → 2026-10-07 Jang Syun-Ming history of Jang Syun-Ming's purchases VP 355 $72.39 avg $25.7K
routine
2026-04-09 Jang Syun-Ming 62 $57.87 $3.6K
routine
SEC filing for Jang Syun-Ming (opens in a new tab)
2026-05-08 Jang Syun-Ming 52 $71.82 $3.7K
routine
SEC filing for Jang Syun-Ming (opens in a new tab)
2026-06-05 Jang Syun-Ming 49 $76.01 $3.7K
routine
SEC filing for Jang Syun-Ming (opens in a new tab)
2026-07-07 Jang Syun-Ming 47 $76.62 $3.6K
routine
SEC filing for Jang Syun-Ming (opens in a new tab)
2026-08-07 Jang Syun-Ming 50 $73.31 $3.7K
routine
SEC filing for Jang Syun-Ming (opens in a new tab)
2026-09-07 Jang Syun-Ming 49 $76.20 $3.7K
routine
SEC filing for Jang Syun-Ming (opens in a new tab)
2026-10-07 Jang Syun-Ming 46 $79.39 $3.7K
routine
SEC filing for Jang Syun-Ming (opens in a new tab)
2026-04-09 → 2026-10-07 Lin Chris Horng-Dar history of Lin Chris Horng-Dar's purchases Other C-suite 343 $72.39 avg $24.8K
routine
2026-04-09 Lin Chris Horng-Dar 60 $57.87 $3.5K
routine
SEC filing for Lin Chris Horng-Dar (opens in a new tab)
2026-05-08 Lin Chris Horng-Dar 49 $71.82 $3.5K
routine
SEC filing for Lin Chris Horng-Dar (opens in a new tab)
2026-06-05 Lin Chris Horng-Dar 48 $76.01 $3.6K
routine
SEC filing for Lin Chris Horng-Dar (opens in a new tab)
2026-07-07 Lin Chris Horng-Dar 46 $76.62 $3.5K
routine
SEC filing for Lin Chris Horng-Dar (opens in a new tab)
2026-08-07 Lin Chris Horng-Dar 49 $73.31 $3.6K
routine
SEC filing for Lin Chris Horng-Dar (opens in a new tab)
2026-09-07 Lin Chris Horng-Dar 47 $76.20 $3.6K
routine
SEC filing for Lin Chris Horng-Dar (opens in a new tab)
2026-10-07 Lin Chris Horng-Dar 44 $79.39 $3.5K
routine
SEC filing for Lin Chris Horng-Dar (opens in a new tab)
2026-04-09 → 2026-10-07 Chuang Tzu-Sou history of Chuang Tzu-Sou's purchases VP 337 $72.48 avg $24.4K
routine
2026-04-09 Chuang Tzu-Sou 58 $57.87 $3.4K
routine
SEC filing for Chuang Tzu-Sou (opens in a new tab)
2026-05-08 Chuang Tzu-Sou 48 $71.82 $3.4K
routine
SEC filing for Chuang Tzu-Sou (opens in a new tab)
2026-06-05 Chuang Tzu-Sou 46 $76.01 $3.5K
routine
SEC filing for Chuang Tzu-Sou (opens in a new tab)
2026-07-07 Chuang Tzu-Sou 45 $76.62 $3.4K
routine
SEC filing for Chuang Tzu-Sou (opens in a new tab)
2026-08-07 Chuang Tzu-Sou 47 $73.31 $3.4K
routine
SEC filing for Chuang Tzu-Sou (opens in a new tab)
2026-09-07 Chuang Tzu-Sou 47 $76.20 $3.6K
routine
SEC filing for Chuang Tzu-Sou (opens in a new tab)
2026-10-07 Chuang Tzu-Sou 46 $79.39 $3.7K
routine
SEC filing for Chuang Tzu-Sou (opens in a new tab)
2026-04-09 → 2026-10-07 He Jun history of He Jun's purchases VP 333 $72.41 avg $24.1K
routine
2026-04-09 He Jun 58 $57.87 $3.4K
routine
SEC filing for He Jun (opens in a new tab)
2026-05-08 He Jun 49 $71.82 $3.5K
routine
SEC filing for He Jun (opens in a new tab)
2026-06-05 He Jun 46 $76.01 $3.5K
routine
SEC filing for He Jun (opens in a new tab)
2026-07-07 He Jun 45 $76.62 $3.4K
routine
SEC filing for He Jun (opens in a new tab)
2026-08-07 He Jun 46 $73.31 $3.4K
routine
SEC filing for He Jun (opens in a new tab)
2026-09-07 He Jun 46 $76.20 $3.5K
routine
SEC filing for He Jun (opens in a new tab)
2026-10-07 He Jun 43 $79.39 $3.4K
routine
SEC filing for He Jun (opens in a new tab)
2026-04-09 → 2026-10-07 Chen Pei-Hung history of Chen Pei-Hung's purchases VP 331 $72.44 avg $24.0K
routine
2026-04-09 Chen Pei-Hung 57 $57.87 $3.3K
routine
SEC filing for Chen Pei-Hung (opens in a new tab)
2026-05-08 Chen Pei-Hung 49 $71.82 $3.5K
routine
SEC filing for Chen Pei-Hung (opens in a new tab)
2026-06-05 Chen Pei-Hung 46 $76.01 $3.5K
routine
SEC filing for Chen Pei-Hung (opens in a new tab)
2026-07-07 Chen Pei-Hung 44 $76.62 $3.4K
routine
SEC filing for Chen Pei-Hung (opens in a new tab)
2026-08-07 Chen Pei-Hung 46 $73.31 $3.4K
routine
SEC filing for Chen Pei-Hung (opens in a new tab)
2026-09-07 Chen Pei-Hung 46 $76.20 $3.5K
routine
SEC filing for Chen Pei-Hung (opens in a new tab)
2026-10-07 Chen Pei-Hung 43 $79.39 $3.4K
routine
SEC filing for Chen Pei-Hung (opens in a new tab)
2026-04-09 → 2026-10-07 Hwang Yuan-Ko history of Hwang Yuan-Ko's purchases VP 292 $72.43 avg $21.1K
routine
2026-04-09 Hwang Yuan-Ko 51 $57.87 $3.0K
routine
SEC filing for Hwang Yuan-Ko (opens in a new tab)
2026-05-08 Hwang Yuan-Ko 42 $71.82 $3.0K
routine
SEC filing for Hwang Yuan-Ko (opens in a new tab)
2026-06-05 Hwang Yuan-Ko 40 $76.01 $3.0K
routine
SEC filing for Hwang Yuan-Ko (opens in a new tab)
2026-07-07 Hwang Yuan-Ko 40 $76.62 $3.1K
routine
SEC filing for Hwang Yuan-Ko (opens in a new tab)
2026-08-07 Hwang Yuan-Ko 40 $73.31 $2.9K
routine
SEC filing for Hwang Yuan-Ko (opens in a new tab)
2026-09-07 Hwang Yuan-Ko 40 $76.20 $3.0K
routine
SEC filing for Hwang Yuan-Ko (opens in a new tab)
2026-10-07 Hwang Yuan-Ko 39 $79.39 $3.1K
routine
SEC filing for Hwang Yuan-Ko (opens in a new tab)
2026-04-09 → 2026-10-07 Chen Chih-Ho history of Chen Chih-Ho's purchases Other officer 283 $72.84 avg $20.6K
routine
2026-04-09 Chen Chih-Ho 40 $57.87 $2.3K
routine
SEC filing for Chen Chih-Ho (opens in a new tab)
2026-05-08 Chen Chih-Ho 34 $71.82 $2.4K
routine
SEC filing for Chen Chih-Ho (opens in a new tab)
2026-06-05 Chen Chih-Ho 32 $76.01 $2.4K
routine
SEC filing for Chen Chih-Ho (opens in a new tab)
2026-07-07 Chen Chih-Ho 31 $76.62 $2.4K
routine
SEC filing for Chen Chih-Ho (opens in a new tab)
2026-07-13 Chen Chih-Ho 50 $74.60 $3.7K
SEC filing for Chen Chih-Ho (opens in a new tab)
2026-08-07 Chen Chih-Ho 33 $73.31 $2.4K
routine
SEC filing for Chen Chih-Ho (opens in a new tab)
2026-09-07 Chen Chih-Ho 32 $76.20 $2.4K
routine
SEC filing for Chen Chih-Ho (opens in a new tab)
2026-10-07 Chen Chih-Ho 31 $79.39 $2.5K
routine
SEC filing for Chen Chih-Ho (opens in a new tab)
2026-06-05 → 2026-10-07 Ku Yao-Ching history of Ku Yao-Ching's purchases VP 234 $76.29 avg $17.9K
routine
2026-06-05 Ku Yao-Ching 48 $76.01 $3.6K
routine
SEC filing for Ku Yao-Ching (opens in a new tab)
2026-07-07 Ku Yao-Ching 46 $76.62 $3.5K
routine
SEC filing for Ku Yao-Ching (opens in a new tab)
2026-08-07 Ku Yao-Ching 47 $73.31 $3.4K
routine
SEC filing for Ku Yao-Ching (opens in a new tab)
2026-09-07 Ku Yao-Ching 47 $76.20 $3.6K
routine
SEC filing for Ku Yao-Ching (opens in a new tab)
2026-10-07 Ku Yao-Ching 46 $79.39 $3.7K
routine
SEC filing for Ku Yao-Ching (opens in a new tab)
2026-04-09 → 2026-10-07 Huang Jen-Chau history of Huang Jen-Chau's purchases CFO 212 $72.44 avg $15.4K
routine
2026-04-09 Huang Jen-Chau 37 $57.87 $2.1K
routine
SEC filing for Huang Jen-Chau (opens in a new tab)
2026-05-08 Huang Jen-Chau 30 $71.82 $2.2K
routine
SEC filing for Huang Jen-Chau (opens in a new tab)
2026-06-05 Huang Jen-Chau 30 $76.01 $2.3K
routine
SEC filing for Huang Jen-Chau (opens in a new tab)
2026-07-07 Huang Jen-Chau 28 $76.62 $2.1K
routine
SEC filing for Huang Jen-Chau (opens in a new tab)
2026-08-07 Huang Jen-Chau 29 $73.31 $2.1K
routine
SEC filing for Huang Jen-Chau (opens in a new tab)
2026-09-07 Huang Jen-Chau 30 $76.20 $2.3K
routine
SEC filing for Huang Jen-Chau (opens in a new tab)
2026-10-07 Huang Jen-Chau 28 $79.39 $2.2K
routine
SEC filing for Huang Jen-Chau (opens in a new tab)
2026-06-05 → 2026-10-07 Wu Yi-Huang history of Wu Yi-Huang's purchases VP 199 $76.27 avg $15.2K
routine
2026-06-05 Wu Yi-Huang 40 $76.01 $3.0K
routine
SEC filing for Wu Yi-Huang (opens in a new tab)
2026-07-07 Wu Yi-Huang 39 $76.62 $3.0K
routine
SEC filing for Wu Yi-Huang (opens in a new tab)
2026-08-07 Wu Yi-Huang 41 $73.31 $3.0K
routine
SEC filing for Wu Yi-Huang (opens in a new tab)
2026-09-07 Wu Yi-Huang 40 $76.20 $3.0K
routine
SEC filing for Wu Yi-Huang (opens in a new tab)
2026-10-07 Wu Yi-Huang 39 $79.39 $3.1K
routine
SEC filing for Wu Yi-Huang (opens in a new tab)
2026-04-09 → 2026-07-07 Liaw Yung-Haw history of Liaw Yung-Haw's purchases VP 210 $69.82 avg $14.7K
routine
2026-04-09 Liaw Yung-Haw 61 $57.87 $3.5K
routine
SEC filing for Liaw Yung-Haw (opens in a new tab)
2026-05-08 Liaw Yung-Haw 53 $71.82 $3.8K
routine
SEC filing for Liaw Yung-Haw (opens in a new tab)
2026-06-05 Liaw Yung-Haw 48 $76.01 $3.6K
routine
SEC filing for Liaw Yung-Haw (opens in a new tab)
2026-07-07 Liaw Yung-Haw 48 $76.62 $3.7K
routine
SEC filing for Liaw Yung-Haw (opens in a new tab)
2026-06-05 → 2026-10-07 Lu Chin-Sheng history of Lu Chin-Sheng's purchases VP 187 $76.26 avg $14.3K
routine
2026-06-05 Lu Chin-Sheng 37 $76.01 $2.8K
routine
SEC filing for Lu Chin-Sheng (opens in a new tab)
2026-07-07 Lu Chin-Sheng 37 $76.62 $2.8K
routine
SEC filing for Lu Chin-Sheng (opens in a new tab)
2026-08-07 Lu Chin-Sheng 39 $73.31 $2.9K
routine
SEC filing for Lu Chin-Sheng (opens in a new tab)
2026-09-07 Lu Chin-Sheng 38 $76.20 $2.9K
routine
SEC filing for Lu Chin-Sheng (opens in a new tab)
2026-10-07 Lu Chin-Sheng 36 $79.39 $2.9K
routine
SEC filing for Lu Chin-Sheng (opens in a new tab)
Total $3.1M