Insider Trading › TSM › Insiders
TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD
TSM·NYSE·Insider activity
$482.30
-3.50 (-0.72%)
Close · Oct 6, 2026 · Close Prices from Tiingo.com
TSM
Insider purchases and sales on the price
Nasdaq 100S&P 500
Filings
Default90D1Y5YALL
TSMS&P 500 (rebased)
Insider BuyInsider SellForm 144 · planned sale
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Daily closes, adjusted for splits and dividends · Close Prices from Tiingo.comHover a marker, every one is a filing · move across the line for the crosshair
In the last 180 days, TSM insiders filed 215 purchases ($1.2M) and 2 sales ($14.0M) on the open market, by 31 insiders. Newest filing Sep 9, 2026 (28 days ago).
Net Insider Buying by Quarter
Shares bought (+) or sold (−) on the open market by TSM insiders · Form 4 · last two years
On Record
$1.2MPurchases · 180 days
$14.0MSales · 180 days
222Open-market transactions on record
31Insiders filing · 180 days
Purchases (code P) and sales (code S) of TSM common stock reported on Form 4, with Form 5 annual catch-ups. Grants, option exercises, gifts and tax withholding are not shown. Dollars are shares × the stated price; a price outside anything the stock traded at that day is withheld (n/c).
Insider Transactions
222 on record · newest trade first
AllPurchasesSalesOfficers & directors
| Insider | Type | Shares | Price | Value | Held after | Traded | Filed | |
|---|---|---|---|---|---|---|---|---|
| Wu Yi-HuangVP | Purchase | +40 | $76.20 | $3K | 160indirect | Sep 7, 2026 | Sep 9, 2026 | Form 4 ↗ |
| Yoo Chue-SanVP | Purchase | +53 | $76.20 | $4K | 6,694indirect | Sep 7, 2026 | Sep 9, 2026 | Form 4 ↗ |
| Yeap Choh FeiSVP | Purchase | +54 | $76.20 | $4K | 6,547indirect | Sep 7, 2026 | Sep 9, 2026 | Form 4 ↗ |
| Zhang Kevin XiaoqiangSVP and Deputy Co-COO | Purchase | +61 | $76.20 | $5K | 7,347indirect | Sep 7, 2026 | Sep 9, 2026 | Form 4 ↗ |
| Yuan LipenVP | Purchase | +41 | $76.20 | $3K | 1,301indirect | Sep 7, 2026 | Sep 9, 2026 | Form 4 ↗ |
| Mii Yuh-JierEVP and Co-COO | Purchase | +71 | $76.20 | $5K | 8,170indirect | Sep 7, 2026 | Sep 9, 2026 | Form 4 ↗ |
| Wu Shien-YangSVP | Purchase | +57 | $76.20 | $4K | 6,862indirect | Sep 7, 2026 | Sep 9, 2026 | Form 4 ↗ |
| Wei Che-ChiaChairman and CEO · Director | Purchase | +149 | $76.20 | $11K | 18.1Kindirect | Sep 7, 2026 | Sep 9, 2026 | Form 4 ↗ |
| Tien Bor-ZenVP | Purchase | +5 | $76.20 | $381 | 85indirect | Sep 7, 2026 | Sep 9, 2026 | Form 4 ↗ |
| Tien Bor-ZenVP | Purchase | +43 | $76.20 | $3K | 313indirect | Sep 7, 2026 | Sep 9, 2026 | Form 4 ↗ |
| Wang Ying-LangSVP | Purchase | +54 | $76.20 | $4K | 6,499indirect | Sep 7, 2026 | Sep 9, 2026 | Form 4 ↗ |
| Lu Chin-ShengVP | Purchase | +38 | $76.20 | $3K | 151indirect | Sep 7, 2026 | Sep 9, 2026 | Form 4 ↗ |
| Lin Chris Horng-DarVP and CIO | Purchase | +47 | $76.20 | $4K | 5,978indirect | Sep 7, 2026 | Sep 9, 2026 | Form 4 ↗ |
| Lin Shyue-ShyhVP | Purchase | +44 | $76.20 | $3K | 340indirect | Sep 7, 2026 | Sep 9, 2026 | Form 4 ↗ |
| Lee Chun-HsienSVP | Purchase | +52 | $76.20 | $4K | 6,041indirect | Sep 7, 2026 | Sep 9, 2026 | Form 4 ↗ |
| Lu Lee-ChungVP | Purchase | +51 | $76.20 | $4K | 6,485indirect | Sep 7, 2026 | Sep 9, 2026 | Form 4 ↗ |
| Jang Syun-MingVP | Purchase | +49 | $76.20 | $4K | 5,942indirect | Sep 7, 2026 | Sep 9, 2026 | Form 4 ↗ |
| Hwang Yuan-KoVP | Purchase | +40 | $76.20 | $3K | 299indirect | Sep 7, 2026 | Sep 9, 2026 | Form 4 ↗ |
| Hsu Kuo-ChinVP | Purchase | +55 | $76.20 | $4K | 6,729indirect | Sep 7, 2026 | Sep 9, 2026 | Form 4 ↗ |
| Huang Jen-ChauSVP and CFO | Purchase | +30 | $76.20 | $2K | 3,583indirect | Sep 7, 2026 | Sep 9, 2026 | Form 4 ↗ |
| Ku Yao-ChingVP | Purchase | +47 | $76.20 | $4K | 188indirect | Sep 7, 2026 | Sep 9, 2026 | Form 4 ↗ |
| Hou Yung-ChinSVP and Deputy Co-COO | Purchase | +61 | $76.20 | $5K | 7,521indirect | Sep 7, 2026 | Sep 9, 2026 | Form 4 ↗ |
| Chuang JuipingVP | Purchase | +50 | $76.20 | $4K | 4,292indirect | Sep 7, 2026 | Sep 9, 2026 | Form 4 ↗ |
| Fang Shu-HuaSVP and GC | Purchase | +56 | $76.20 | $4K | 6,708indirect | Sep 7, 2026 | Sep 9, 2026 | Form 4 ↗ |
| He JunVP | Purchase | +46 | $76.20 | $4K | 5,407indirect | Sep 7, 2026 | Sep 9, 2026 | Form 4 ↗ |
| Chuang Tzu-SouVP | Purchase | +47 | $76.20 | $4K | 5,853indirect | Sep 7, 2026 | Sep 9, 2026 | Form 4 ↗ |
| Chen Chih-HoController | Purchase | +32 | $76.20 | $2K | 202indirect | Sep 7, 2026 | Sep 9, 2026 | Form 4 ↗ |
| Cao MinVP | Purchase | +56 | $76.20 | $4K | 6,773indirect | Sep 7, 2026 | Sep 9, 2026 | Form 4 ↗ |
| Chin Yung-PeiEVP and Co-COO | Purchase | +71 | $76.20 | $5K | 8,506indirect | Sep 7, 2026 | Sep 9, 2026 | Form 4 ↗ |
| Chen Pei-HungVP | Purchase | +46 | $76.20 | $4K | 1,395indirect | Sep 7, 2026 | Sep 9, 2026 | Form 4 ↗ |
| Chang Tzonz-ShengSVP | Purchase | +53 | $76.20 | $4K | 5,481indirect | Sep 7, 2026 | Sep 9, 2026 | Form 4 ↗ |
| Yuan LipenVP | Purchase | +1,000 | n/c | — | 7,000direct | Aug 19, 2026 | Aug 20, 2026 | Form 4 ↗ |
| Yuan LipenVP | Purchase | +350 | n/c | — | 2,000indirect | Aug 18, 2026 | Aug 20, 2026 | Form 4 ↗ |
| Yuan LipenVP | Purchase | +1,000 | n/c | — | 6,000direct | Aug 18, 2026 | Aug 20, 2026 | Form 4 ↗ |
| Yeap Choh FeiSVP | Purchase | +57 | n/c | — | 6,493indirect | Aug 7, 2026 | Aug 10, 2026 | Form 4 ↗ |
| Zhang Kevin XiaoqiangSVP and Deputy Co-COO | Purchase | +63 | n/c | — | 7,286indirect | Aug 7, 2026 | Aug 10, 2026 | Form 4 ↗ |
| Yuan LipenVP | Purchase | +42 | n/c | — | 1,260indirect | Aug 7, 2026 | Aug 10, 2026 | Form 4 ↗ |
| Wu Yi-HuangVP | Purchase | +41 | n/c | — | 120indirect | Aug 7, 2026 | Aug 10, 2026 | Form 4 ↗ |
| Yoo Chue-SanVP | Purchase | +51 | n/c | — | 6,641indirect | Aug 7, 2026 | Aug 10, 2026 | Form 4 ↗ |
| Mii Yuh-JierEVP and Co-COO | Purchase | +72 | n/c | — | 8,099indirect | Aug 7, 2026 | Aug 10, 2026 | Form 4 ↗ |
| Wang Ying-LangSVP | Purchase | +55 | n/c | — | 6,445indirect | Aug 7, 2026 | Aug 10, 2026 | Form 4 ↗ |
| Wei Che-ChiaChairman and CEO · Director | Purchase | +152 | n/c | — | 18.0Kindirect | Aug 7, 2026 | Aug 10, 2026 | Form 4 ↗ |
| Wu Shien-YangSVP | Purchase | +57 | n/c | — | 6,805indirect | Aug 7, 2026 | Aug 10, 2026 | Form 4 ↗ |
| Tien Bor-ZenVP | Purchase | +7 | n/c | — | 80indirect | Aug 7, 2026 | Aug 10, 2026 | Form 4 ↗ |
| Tien Bor-ZenVP | Purchase | +42 | n/c | — | 270indirect | Aug 7, 2026 | Aug 10, 2026 | Form 4 ↗ |
| Lin Chris Horng-DarVP and CIO | Purchase | +49 | n/c | — | 5,931indirect | Aug 7, 2026 | Aug 10, 2026 | Form 4 ↗ |
| Lu Lee-ChungVP | Purchase | +52 | n/c | — | 6,434indirect | Aug 7, 2026 | Aug 10, 2026 | Form 4 ↗ |
| Lin Shyue-ShyhVP | Purchase | +47 | n/c | — | 296indirect | Aug 7, 2026 | Aug 10, 2026 | Form 4 ↗ |
| Lee Chun-HsienSVP | Purchase | +54 | n/c | — | 5,989indirect | Aug 7, 2026 | Aug 10, 2026 | Form 4 ↗ |
| Lu Chin-ShengVP | Purchase | +39 | n/c | — | 113indirect | Aug 7, 2026 | Aug 10, 2026 | Form 4 ↗ |
| Jang Syun-MingVP | Purchase | +50 | n/c | — | 5,893indirect | Aug 7, 2026 | Aug 10, 2026 | Form 4 ↗ |
| Hsu Kuo-ChinVP | Purchase | +54 | n/c | — | 6,674indirect | Aug 7, 2026 | Aug 10, 2026 | Form 4 ↗ |
| Huang Jen-ChauSVP and CFO | Purchase | +29 | n/c | — | 3,553indirect | Aug 7, 2026 | Aug 10, 2026 | Form 4 ↗ |
| Hwang Yuan-KoVP | Purchase | +40 | n/c | — | 259indirect | Aug 7, 2026 | Aug 10, 2026 | Form 4 ↗ |
| Ku Yao-ChingVP | Purchase | +47 | n/c | — | 141indirect | Aug 7, 2026 | Aug 10, 2026 | Form 4 ↗ |
| He JunVP | Purchase | +46 | n/c | — | 5,361indirect | Aug 7, 2026 | Aug 10, 2026 | Form 4 ↗ |
| Chuang Tzu-SouVP | Purchase | +47 | n/c | — | 5,806indirect | Aug 7, 2026 | Aug 10, 2026 | Form 4 ↗ |
| Hou Yung-ChinSVP and Deputy Co-COO | Purchase | +63 | n/c | — | 7,460indirect | Aug 7, 2026 | Aug 10, 2026 | Form 4 ↗ |
| Chuang JuipingVP | Purchase | +49 | n/c | — | 4,242indirect | Aug 7, 2026 | Aug 10, 2026 | Form 4 ↗ |
| Fang Shu-HuaSVP and GC | Purchase | +57 | n/c | — | 6,652indirect | Aug 7, 2026 | Aug 10, 2026 | Form 4 ↗ |
| Chang Tzonz-ShengSVP | Purchase | +54 | n/c | — | 5,428indirect | Aug 7, 2026 | Aug 10, 2026 | Form 4 ↗ |
| Chen Chih-HoController | Purchase | +33 | n/c | — | 170indirect | Aug 7, 2026 | Aug 10, 2026 | Form 4 ↗ |
| Chen Pei-HungVP | Purchase | +46 | n/c | — | 1,349indirect | Aug 7, 2026 | Aug 10, 2026 | Form 4 ↗ |
| Cao MinVP | Purchase | +55 | n/c | — | 6,717indirect | Aug 7, 2026 | Aug 10, 2026 | Form 4 ↗ |
| Chin Yung-PeiEVP and Co-COO | Purchase | +72 | n/c | — | 8,435indirect | Aug 7, 2026 | Aug 10, 2026 | Form 4 ↗ |
| Tien Bor-ZenVP | Purchase | +1,000 | n/c | — | 14.1Kdirect | Aug 3, 2026 | Aug 4, 2026 | Form 4 ↗ |
| Tien Bor-ZenVP | Purchase | +5 | $390.00 | $2K | 132direct | Jul 28, 2026 | Jul 30, 2026 | Form 4 ↗ |
| Tien Bor-ZenVP | Purchase | +1,000 | n/c | — | 5,000indirect | Jul 28, 2026 | Jul 30, 2026 | Form 4 ↗ |
| Tien Bor-ZenVP | Purchase | +10 | $390.00 | $4K | 127direct | Jul 28, 2026 | Jul 30, 2026 | Form 4 ↗ |
| Tien Bor-ZenVP | Purchase | +1,000 | n/c | — | 4,000indirect | Jul 21, 2026 | Jul 23, 2026 | Form 4 ↗ |
| Tien Bor-ZenVP | Purchase | +1,000 | n/c | — | 3,000indirect | Jul 21, 2026 | Jul 23, 2026 | Form 4 ↗ |
| Tien Bor-ZenVP | Purchase | +1,000 | n/c | — | 2,000indirect | Jul 21, 2026 | Jul 23, 2026 | Form 4 ↗ |
| Tien Bor-ZenVP | Purchase | +1,000 | n/c | — | 13.1Kdirect | Jul 21, 2026 | Jul 23, 2026 | Form 4 ↗ |
| Lin Shyue-ShyhVP | Purchase | +1,000 | n/c | — | 30.3Kdirect | Jul 21, 2026 | Jul 22, 2026 | Form 4 ↗ |
| Tien Bor-ZenVP | Purchase | +10 | $405.00 | $4K | 117direct | Jul 20, 2026 | Jul 23, 2026 | Form 4 ↗ |
| Lin Shyue-ShyhVP | Purchase | +1,000 | n/c | — | 29.3Kdirect | Jul 20, 2026 | Jul 22, 2026 | Form 4 ↗ |
| Lin Shyue-ShyhVP | Purchase | +1,000 | $71.94 | $72K | 5,000indirect | Jul 19, 2026 | Jul 21, 2026 | Form 4 ↗ |
| Lin Shyue-ShyhVP | Purchase | +1,000 | $71.32 | $71K | 28.3Kdirect | Jul 19, 2026 | Jul 21, 2026 | Form 4 ↗ |
| Lin Shyue-ShyhVP | Purchase | +1,000 | $72.10 | $72K | 27.3Kdirect | Jul 19, 2026 | Jul 21, 2026 | Form 4 ↗ |
| Chen Chih-HoController | Sale | −50 | n/c | — | 363indirect | Jul 14, 2026 | Jul 16, 2026 | Form 4 ↗ |
| Chen Chih-HoController | Purchase | +50 | n/c | — | 413indirect | Jul 13, 2026 | Jul 16, 2026 | Form 4 ↗ |
| Wang Ying-LangSVP | Purchase | +53 | n/c | — | 6,390indirect | Jul 7, 2026 | Jul 9, 2026 | Form 4 ↗ |
| Jang Syun-MingVP | Purchase | +47 | n/c | — | 5,843indirect | Jul 7, 2026 | Jul 9, 2026 | Form 4 ↗ |
| Wu Shien-YangSVP | Purchase | +54 | n/c | — | 6,748indirect | Jul 7, 2026 | Jul 9, 2026 | Form 4 ↗ |
| Ku Yao-ChingVP | Purchase | +46 | n/c | — | 94indirect | Jul 7, 2026 | Jul 9, 2026 | Form 4 ↗ |
| Chuang JuipingVP | Purchase | +47 | n/c | — | 4,193indirect | Jul 7, 2026 | Jul 9, 2026 | Form 4 ↗ |
| Lin Chris Horng-DarVP and CIO | Purchase | +46 | n/c | — | 5,882indirect | Jul 7, 2026 | Jul 9, 2026 | Form 4 ↗ |
| Chang Tzonz-ShengSVP | Purchase | +52 | n/c | — | 5,374indirect | Jul 7, 2026 | Jul 9, 2026 | Form 4 ↗ |
| Wei Che-ChiaChairman and CEO · Director | Purchase | +146 | n/c | — | 17.8Kindirect | Jul 7, 2026 | Jul 9, 2026 | Form 4 ↗ |
| Lee Chun-HsienSVP | Purchase | +50 | n/c | — | 5,935indirect | Jul 7, 2026 | Jul 9, 2026 | Form 4 ↗ |
| Chen Pei-HungVP | Purchase | +44 | n/c | — | 1,303indirect | Jul 7, 2026 | Jul 9, 2026 | Form 4 ↗ |
| Tien Bor-ZenVP | Purchase | +6 | n/c | — | 73indirect | Jul 7, 2026 | Jul 9, 2026 | Form 4 ↗ |
| Tien Bor-ZenVP | Purchase | +40 | n/c | — | 228indirect | Jul 7, 2026 | Jul 9, 2026 | Form 4 ↗ |
| Wu Yi-HuangVP | Purchase | +39 | n/c | — | 79indirect | Jul 7, 2026 | Jul 9, 2026 | Form 4 ↗ |
| Hou Yung-ChinSVP and Deputy Co-COO | Purchase | +61 | n/c | — | 7,397indirect | Jul 7, 2026 | Jul 9, 2026 | Form 4 ↗ |
| Yuan LipenVP | Purchase | +40 | n/c | — | 1,218indirect | Jul 7, 2026 | Jul 9, 2026 | Form 4 ↗ |
| Chin Yung-PeiEVP and Co-COO | Purchase | +69 | n/c | — | 8,363indirect | Jul 7, 2026 | Jul 9, 2026 | Form 4 ↗ |
| Zhang Kevin XiaoqiangSVP and Deputy Co-COO | Purchase | +61 | n/c | — | 7,223indirect | Jul 7, 2026 | Jul 9, 2026 | Form 4 ↗ |
| Hsu Kuo-ChinVP | Purchase | +52 | n/c | — | 6,620indirect | Jul 7, 2026 | Jul 9, 2026 | Form 4 ↗ |
| Chen Chih-HoController | Purchase | +31 | n/c | — | 137indirect | Jul 7, 2026 | Jul 9, 2026 | Form 4 ↗ |
| Liaw Yung-HawVP | Purchase | +48 | n/c | — | 6,241indirect | Jul 7, 2026 | Jul 9, 2026 | Form 4 ↗ |
| Fang Shu-HuaSVP and GC | Purchase | +54 | n/c | — | 6,595indirect | Jul 7, 2026 | Jul 9, 2026 | Form 4 ↗ |
| Mii Yuh-JierEVP and Co-COO | Purchase | +68 | n/c | — | 8,027indirect | Jul 7, 2026 | Jul 9, 2026 | Form 4 ↗ |
| Yeap Choh FeiSVP | Purchase | +53 | n/c | — | 6,436indirect | Jul 7, 2026 | Jul 9, 2026 | Form 4 ↗ |
| He JunVP | Purchase | +45 | n/c | — | 5,315indirect | Jul 7, 2026 | Jul 9, 2026 | Form 4 ↗ |
| Huang Jen-ChauSVP and CFO | Purchase | +28 | n/c | — | 3,524indirect | Jul 7, 2026 | Jul 9, 2026 | Form 4 ↗ |
| Lu Chin-ShengVP | Purchase | +37 | n/c | — | 74indirect | Jul 7, 2026 | Jul 9, 2026 | Form 4 ↗ |
| Chuang Tzu-SouVP | Purchase | +45 | n/c | — | 5,759indirect | Jul 7, 2026 | Jul 9, 2026 | Form 4 ↗ |
| Cao MinVP | Purchase | +54 | n/c | — | 6,662indirect | Jul 7, 2026 | Jul 9, 2026 | Form 4 ↗ |
| Lu Lee-ChungVP | Purchase | +49 | n/c | — | 6,382indirect | Jul 7, 2026 | Jul 9, 2026 | Form 4 ↗ |
| Lin Shyue-ShyhVP | Purchase | +44 | n/c | — | 249indirect | Jul 7, 2026 | Jul 9, 2026 | Form 4 ↗ |
| Yoo Chue-SanVP | Purchase | +51 | n/c | — | 6,590indirect | Jul 7, 2026 | Jul 9, 2026 | Form 4 ↗ |
| Hwang Yuan-KoVP | Purchase | +40 | n/c | — | 219indirect | Jul 7, 2026 | Jul 9, 2026 | Form 4 ↗ |
| Fang Shu-HuaSVP and GC | Purchase | +1,000 | n/c | — | 8,206indirect | Jul 2, 2026 | Sep 4, 2026 | Form 4 ↗ |
| Fang Shu-HuaSVP and GC | Purchase | +1,000 | n/c | — | 7,206indirect | Jul 2, 2026 | Sep 4, 2026 | Form 4 ↗ |
| Tien Bor-ZenVP | Purchase | +1,000 | $75.70 | $76K | 1,000indirect | Jun 30, 2026 | Jun 30, 2026 | Form 4 ↗ |
| Tien Bor-ZenVP | Purchase | +1,000 | $76.64 | $77K | 12.1Kdirect | Jun 29, 2026 | Jun 30, 2026 | Form 4 ↗ |
| Yuan LipenVP | Purchase | +1,000 | $79.19 | $79K | 5,000direct | Jun 22, 2026 | Jun 23, 2026 | Form 4 ↗ |
| Yuan LipenVP | Purchase | +1,000 | $75.26 | $75K | 4,000direct | Jun 15, 2026 | Jun 16, 2026 | Form 4 ↗ |
| Zhang Kevin XiaoqiangSVP and Deputy Co-COO | Purchase | +62 | $76.01 | $5K | 7,162indirect | Jun 5, 2026 | Jun 9, 2026 | Form 4 ↗ |
| Wu Yi-HuangVP | Purchase | +40 | $76.01 | $3K | 40indirect | Jun 5, 2026 | Jun 9, 2026 | Form 4 ↗ |
| Yuan LipenVP | Purchase | +42 | $76.01 | $3K | 1,178indirect | Jun 5, 2026 | Jun 9, 2026 | Form 4 ↗ |
| Yeap Choh FeiSVP | Purchase | +55 | $76.01 | $4K | 6,383indirect | Jun 5, 2026 | Jun 9, 2026 | Form 4 ↗ |
| Yoo Chue-SanVP | Purchase | +53 | $76.01 | $4K | 6,539indirect | Jun 5, 2026 | Jun 9, 2026 | Form 4 ↗ |
| Wang Ying-LangSVP | Purchase | +56 | $76.01 | $4K | 6,337indirect | Jun 5, 2026 | Jun 9, 2026 | Form 4 ↗ |
| Mii Yuh-JierEVP and Co-COO | Purchase | +72 | $76.01 | $5K | 7,959indirect | Jun 5, 2026 | Jun 9, 2026 | Form 4 ↗ |
| Wei Che-ChiaChairman and CEO · Director | Purchase | +150 | $76.01 | $11K | 17.7Kindirect | Jun 5, 2026 | Jun 9, 2026 | Form 4 ↗ |
| Wu Shien-YangSVP | Purchase | +57 | $76.01 | $4K | 6,694indirect | Jun 5, 2026 | Jun 9, 2026 | Form 4 ↗ |
| Tien Bor-ZenVP | Purchase | +7 | $76.01 | $532 | 67indirect | Jun 5, 2026 | Jun 9, 2026 | Form 4 ↗ |
| Tien Bor-ZenVP | Purchase | +43 | $76.01 | $3K | 188indirect | Jun 5, 2026 | Jun 9, 2026 | Form 4 ↗ |
| Lin Chris Horng-DarVP and CIO | Purchase | +48 | $76.01 | $4K | 5,836indirect | Jun 5, 2026 | Jun 9, 2026 | Form 4 ↗ |
| Lu Lee-ChungVP | Purchase | +52 | $76.01 | $4K | 6,333indirect | Jun 5, 2026 | Jun 9, 2026 | Form 4 ↗ |
| Lu Chin-ShengVP | Purchase | +37 | $76.01 | $3K | 37indirect | Jun 5, 2026 | Jun 9, 2026 | Form 4 ↗ |
| Liaw Yung-HawVP | Purchase | +48 | $76.01 | $4K | 6,193indirect | Jun 5, 2026 | Jun 9, 2026 | Form 4 ↗ |
| Lee Chun-HsienSVP | Purchase | +51 | $76.01 | $4K | 5,885indirect | Jun 5, 2026 | Jun 9, 2026 | Form 4 ↗ |
| Lin Shyue-ShyhVP | Purchase | +46 | $76.01 | $3K | 205indirect | Jun 5, 2026 | Jun 9, 2026 | Form 4 ↗ |
| Hwang Yuan-KoVP | Purchase | +40 | $76.01 | $3K | 179indirect | Jun 5, 2026 | Jun 9, 2026 | Form 4 ↗ |
| Ku Yao-ChingVP | Purchase | +48 | $76.01 | $4K | 48indirect | Jun 5, 2026 | Jun 9, 2026 | Form 4 ↗ |
| Hsu Kuo-ChinVP | Purchase | +53 | $76.01 | $4K | 6,568indirect | Jun 5, 2026 | Jun 9, 2026 | Form 4 ↗ |
| Huang Jen-ChauSVP and CFO | Purchase | +30 | $76.01 | $2K | 3,496indirect | Jun 5, 2026 | Jun 9, 2026 | Form 4 ↗ |
| Jang Syun-MingVP | Purchase | +49 | $76.01 | $4K | 5,796indirect | Jun 5, 2026 | Jun 9, 2026 | Form 4 ↗ |
| Fang Shu-HuaSVP and GC | Purchase | +55 | $76.01 | $4K | 6,541indirect | Jun 5, 2026 | Jun 9, 2026 | Form 4 ↗ |
| Hou Yung-ChinSVP and Deputy Co-COO | Purchase | +62 | $76.01 | $5K | 7,336indirect | Jun 5, 2026 | Jun 9, 2026 | Form 4 ↗ |
| Chuang JuipingVP | Purchase | +50 | $76.01 | $4K | 4,146indirect | Jun 5, 2026 | Jun 9, 2026 | Form 4 ↗ |
| Chuang Tzu-SouVP | Purchase | +46 | $76.01 | $3K | 5,714indirect | Jun 5, 2026 | Jun 9, 2026 | Form 4 ↗ |
| He JunVP | Purchase | +46 | $76.01 | $3K | 5,270indirect | Jun 5, 2026 | Jun 9, 2026 | Form 4 ↗ |
| Chen Pei-HungVP | Purchase | +46 | $76.01 | $3K | 1,259indirect | Jun 5, 2026 | Jun 9, 2026 | Form 4 ↗ |
| Chen Chih-HoController | Purchase | +32 | $76.01 | $2K | 106indirect | Jun 5, 2026 | Jun 9, 2026 | Form 4 ↗ |
| Chang Tzonz-ShengSVP | Purchase | +53 | $76.01 | $4K | 5,322indirect | Jun 5, 2026 | Jun 9, 2026 | Form 4 ↗ |
| Cao MinVP | Purchase | +54 | $76.01 | $4K | 6,608indirect | Jun 5, 2026 | Jun 9, 2026 | Form 4 ↗ |
| Chin Yung-PeiEVP and Co-COO | Purchase | +71 | $76.01 | $5K | 8,294indirect | Jun 5, 2026 | Jun 9, 2026 | Form 4 ↗ |
| Tien Bor-ZenVP | Purchase | +7 | $400.00 | $3K | 107direct | May 20, 2026 | May 21, 2026 | Form 4 ↗ |
| Tien Bor-ZenVP | Purchase | +10 | $391.81 | $4K | 100direct | May 19, 2026 | May 21, 2026 | Form 4 ↗ |
| Chuang Tzu-SouVP | Sale | −200.0K | $69.83 | $14.0M | 2.5Mdirect | May 19, 2026 | May 19, 2026 | Form 4 ↗ |
| Tien Bor-ZenVP | Purchase | +1,000 | $69.83 | $70K | 11.1Kdirect | May 19, 2026 | May 19, 2026 | Form 4 ↗ |
| Tien Bor-ZenVP | Purchase | +1,000 | $69.98 | $70K | 10.1Kdirect | May 19, 2026 | May 19, 2026 | Form 4 ↗ |
| Zhang Kevin XiaoqiangSVP and Deputy Co-COO | Purchase | +66 | $71.82 | $5K | 7,100indirect | May 8, 2026 | May 11, 2026 | Form 4 ↗ |
| Yuan LipenVP | Purchase | +44 | $71.82 | $3K | 1,136indirect | May 8, 2026 | May 11, 2026 | Form 4 ↗ |
| Yoo Chue-SanVP | Purchase | +55 | $71.82 | $4K | 6,486indirect | May 8, 2026 | May 11, 2026 | Form 4 ↗ |
| Wei Che-ChiaChairman and CEO · Director | Purchase | +160 | $71.82 | $11K | 17.5Kindirect | May 8, 2026 | May 11, 2026 | Form 4 ↗ |
| Yeap Choh FeiSVP | Purchase | +59 | $71.82 | $4K | 6,328indirect | May 8, 2026 | May 11, 2026 | Form 4 ↗ |
| Tien Bor-ZenVP | Purchase | +7 | $71.82 | $503 | 60indirect | May 8, 2026 | May 11, 2026 | Form 4 ↗ |
| Tien Bor-ZenVP | Purchase | +44 | $71.82 | $3K | 145indirect | May 8, 2026 | May 11, 2026 | Form 4 ↗ |
| Wu Shien-YangSVP | Purchase | +60 | $71.82 | $4K | 6,637indirect | May 8, 2026 | May 11, 2026 | Form 4 ↗ |
| Wang Ying-LangSVP | Purchase | +57 | $71.82 | $4K | 6,281indirect | May 8, 2026 | May 11, 2026 | Form 4 ↗ |
| Liaw Yung-HawVP | Purchase | +53 | $71.82 | $4K | 6,145indirect | May 8, 2026 | May 11, 2026 | Form 4 ↗ |
| Lin Chris Horng-DarVP and CIO | Purchase | +49 | $71.82 | $4K | 5,788indirect | May 8, 2026 | May 11, 2026 | Form 4 ↗ |
| Lin Shyue-ShyhVP | Purchase | +48 | $71.82 | $3K | 159indirect | May 8, 2026 | May 11, 2026 | Form 4 ↗ |
| Lu Lee-ChungVP | Purchase | +54 | $71.82 | $4K | 6,281indirect | May 8, 2026 | May 11, 2026 | Form 4 ↗ |
| Mii Yuh-JierEVP and Co-COO | Purchase | +75 | $71.82 | $5K | 7,887indirect | May 8, 2026 | May 11, 2026 | Form 4 ↗ |
| Huang Jen-ChauSVP and CFO | Purchase | +30 | $71.82 | $2K | 3,466indirect | May 8, 2026 | May 11, 2026 | Form 4 ↗ |
| Hsu Kuo-ChinVP | Purchase | +56 | $71.82 | $4K | 6,515indirect | May 8, 2026 | May 11, 2026 | Form 4 ↗ |
| Lee Chun-HsienVP | Purchase | +53 | $71.82 | $4K | 5,834indirect | May 8, 2026 | May 11, 2026 | Form 4 ↗ |
| Hwang Yuan-KoVP | Purchase | +42 | $71.82 | $3K | 139indirect | May 8, 2026 | May 11, 2026 | Form 4 ↗ |
| Jang Syun-MingVP | Purchase | +52 | $71.82 | $4K | 5,747indirect | May 8, 2026 | May 11, 2026 | Form 4 ↗ |
| Hou Yung-ChinSVP and Deputy Co-COO | Purchase | +66 | $71.82 | $5K | 7,274indirect | May 8, 2026 | May 11, 2026 | Form 4 ↗ |
| Fang Shu-HuaSVP and GC | Purchase | +59 | $71.82 | $4K | 6,486indirect | May 8, 2026 | May 11, 2026 | Form 4 ↗ |
| Chuang Tzu-SouVP | Purchase | +48 | $71.82 | $3K | 5,668indirect | May 8, 2026 | May 11, 2026 | Form 4 ↗ |
| Chuang JuipingVP | Purchase | +51 | $71.82 | $4K | 4,096indirect | May 8, 2026 | May 11, 2026 | Form 4 ↗ |
| He JunVP | Purchase | +49 | $71.82 | $4K | 5,224indirect | May 8, 2026 | May 11, 2026 | Form 4 ↗ |
| Chang Tzonz-ShengSVP | Purchase | +56 | $71.82 | $4K | 5,269indirect | May 8, 2026 | May 11, 2026 | Form 4 ↗ |
| Cao MinVP | Purchase | +59 | $71.82 | $4K | 6,554indirect | May 8, 2026 | May 11, 2026 | Form 4 ↗ |
| Chen Pei-HungVP | Purchase | +49 | $71.82 | $4K | 1,213indirect | May 8, 2026 | May 11, 2026 | Form 4 ↗ |
| Chin Yung-PeiEVP and Co-COO | Purchase | +75 | $71.82 | $5K | 8,223indirect | May 8, 2026 | May 11, 2026 | Form 4 ↗ |
| Chen Chih-HoController | Purchase | +34 | $71.82 | $2K | 74indirect | May 8, 2026 | May 11, 2026 | Form 4 ↗ |
| Tien Bor-ZenVP | Purchase | +5 | $390.00 | $2K | 90direct | Apr 28, 2026 | Apr 29, 2026 | Form 4 ↗ |
| Tien Bor-ZenVP | Purchase | +5 | $390.00 | $2K | 85direct | Apr 28, 2026 | Apr 29, 2026 | Form 4 ↗ |
| Tien Bor-ZenVP | Purchase | +10 | $386.00 | $4K | 80direct | Apr 28, 2026 | Apr 29, 2026 | Form 4 ↗ |
| Yoo Chue-SanVP | Purchase | +65 | $57.87 | $4K | 6,431indirect | Apr 9, 2026 | Apr 13, 2026 | Form 4 ↗ |
| Yuan LipenVP | Purchase | +52 | $57.87 | $3K | 1,092indirect | Apr 9, 2026 | Apr 13, 2026 | Form 4 ↗ |
| Zhang Kevin XiaoqiangSVP and Deputy Co-COO | Purchase | +79 | $57.87 | $5K | 7,034indirect | Apr 9, 2026 | Apr 13, 2026 | Form 4 ↗ |
| Tien Bor-ZenVP | Purchase | +9 | $57.87 | $521 | 53indirect | Apr 9, 2026 | Apr 13, 2026 | Form 4 ↗ |
| Tien Bor-ZenVP | Purchase | +53 | $57.87 | $3K | 101indirect | Apr 9, 2026 | Apr 13, 2026 | Form 4 ↗ |
| Wang Ying-LangSVP | Purchase | +69 | $57.87 | $4K | 6,224indirect | Apr 9, 2026 | Apr 13, 2026 | Form 4 ↗ |
| Yeap Choh FeiSVP | Purchase | +68 | $57.87 | $4K | 6,269indirect | Apr 9, 2026 | Apr 13, 2026 | Form 4 ↗ |
| Wu Shien-YangSVP | Purchase | +71 | $57.87 | $4K | 6,577indirect | Apr 9, 2026 | Apr 13, 2026 | Form 4 ↗ |
| Wei Che-ChiaChairman and CEO · Director | Purchase | +186 | $57.87 | $11K | 17.4Kindirect | Apr 9, 2026 | Apr 13, 2026 | Form 4 ↗ |
| Liaw Yung-HawVP | Purchase | +61 | $57.87 | $4K | 6,092indirect | Apr 9, 2026 | Apr 13, 2026 | Form 4 ↗ |
| Lu Lee-ChungVP | Purchase | +65 | $57.87 | $4K | 6,227indirect | Apr 9, 2026 | Apr 13, 2026 | Form 4 ↗ |
| Mii Yuh-JierEVP and Co-COO | Purchase | +88 | $57.87 | $5K | 7,812indirect | Apr 9, 2026 | Apr 13, 2026 | Form 4 ↗ |
| Lin Shyue-ShyhVP | Purchase | +58 | $57.87 | $3K | 111indirect | Apr 9, 2026 | Apr 13, 2026 | Form 4 ↗ |
| Lin Chris Horng-DarVP and CIO | Purchase | +60 | $57.87 | $3K | 5,739indirect | Apr 9, 2026 | Apr 13, 2026 | Form 4 ↗ |
| Hsu Kuo-ChinVP | Purchase | +66 | $57.87 | $4K | 6,459indirect | Apr 9, 2026 | Apr 13, 2026 | Form 4 ↗ |
| Huang Jen-ChauSVP and CFO | Purchase | +37 | $57.87 | $2K | 3,436indirect | Apr 9, 2026 | Apr 13, 2026 | Form 4 ↗ |
| Hwang Yuan-KoVP | Purchase | +51 | $57.87 | $3K | 97indirect | Apr 9, 2026 | Apr 13, 2026 | Form 4 ↗ |
| Lee Chun-HsienVP | Purchase | +63 | $57.87 | $4K | 5,781indirect | Apr 9, 2026 | Apr 13, 2026 | Form 4 ↗ |
| Jang Syun-MingVP | Purchase | +62 | $57.87 | $4K | 5,695indirect | Apr 9, 2026 | Apr 13, 2026 | Form 4 ↗ |
| Fang Shu-HuaSVP and GC | Purchase | +70 | $57.87 | $4K | 6,427indirect | Apr 9, 2026 | Apr 13, 2026 | Form 4 ↗ |
| Chuang Tzu-SouVP | Purchase | +58 | $57.87 | $3K | 5,620indirect | Apr 9, 2026 | Apr 13, 2026 | Form 4 ↗ |
| He JunVP | Purchase | +58 | $57.87 | $3K | 5,175indirect | Apr 9, 2026 | Apr 13, 2026 | Form 4 ↗ |
| Chuang JuipingVP | Purchase | +62 | $57.87 | $4K | 4,045indirect | Apr 9, 2026 | Apr 13, 2026 | Form 4 ↗ |
| Hou Yung-ChinSVP and Deputy Co-COO | Purchase | +78 | $57.87 | $5K | 7,208indirect | Apr 9, 2026 | Apr 13, 2026 | Form 4 ↗ |
| Chin Yung-PeiEVP and Co-COO | Purchase | +89 | $57.87 | $5K | 8,148indirect | Apr 9, 2026 | Apr 13, 2026 | Form 4 ↗ |
| Chen Pei-HungVP | Purchase | +57 | $57.87 | $3K | 1,164indirect | Apr 9, 2026 | Apr 13, 2026 | Form 4 ↗ |
| Chen Chih-HoController | Purchase | +40 | $57.87 | $2K | 40indirect | Apr 9, 2026 | Apr 13, 2026 | Form 4 ↗ |
| Chang Tzonz-ShengSVP | Purchase | +67 | $57.87 | $4K | 5,213indirect | Apr 9, 2026 | Apr 13, 2026 | Form 4 ↗ |
| Cao MinVP | Purchase | +66 | $57.87 | $4K | 6,495indirect | Apr 9, 2026 | Apr 13, 2026 | Form 4 ↗ |
| BURNS URSULA MDirector | Purchase | +1,000 | $322.05 | $322K | 3,000direct | Mar 31, 2026 | Apr 1, 2026 | Form 4 ↗ |
| Lin Shyue-ShyhVP | Purchase | +3,000 | n/c | — | 26.3Kdirect | Mar 30, 2026 | Mar 31, 2026 | Form 4 ↗ |
| Lin Shyue-ShyhVP | Purchase | +2,000 | $55.63 | $111K | 23.3Kdirect | Mar 29, 2026 | Mar 30, 2026 | Form 4 ↗ |
| Yeap Choh FeiSVP | Purchase | +1,000 | $55.78 | $56K | 213.4Kdirect | Mar 22, 2026 | Mar 31, 2026 | Form 4 ↗ |
| Tien Bor-ZenVP | Purchase | +1,000 | $55.93 | $56K | 9,051direct | Mar 22, 2026 | Mar 24, 2026 | Form 4 ↗ |
Source: SEC EDGAR Form 4 and Form 5 filings, SEC's quarterly bulk dataset through Jun 30, 2026, and KeyVex's half-hourly read of new filings since. Every row links its filing. Amendments are marked. Nothing here is a recommendation. All insider activity, market-wide →