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TSM insider trading — Taiwan Semiconductor Manufacturing Co Ltd

Over the last 90 days, insiders at Taiwan Semiconductor Manufacturing Co Ltd (TSM) made 104 open-market purchases worth $1.50M and 0 open-market sales worth $0, making them net buyers by $1.50M. The largest purchase was by Tien Bor-Zen (VP), who bought 3,000 shares for $223K on Jul 21, 2026. 30 different insiders bought shares in this period — a cluster buy, which many investors watch closely.

Updated Oct 16, 2026.

Insider buying · 90d
$1.50M
Insider selling · 90d
$0
Net · 90d
+$1.50M
Last 30 days
30B / 0S

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Recent TSM insider transactions

Every Form 4 filed by Taiwan Semiconductor Manufacturing Co Ltd officers, directors and 10% owners in the last 90 days, newest first. P = open-market purchase, S = open-market sale; other codes are awards, option exercises, tax withholding or gifts.

Trade dateInsiderRoleTypeOwnershipSharesPriceValueFiling
Oct 7, 2026Zhang Kevin XiaoqiangSVP and Deputy Co-COOP · PurchaseIndirect59$79.39$5KForm 4
Oct 7, 2026Yeap Choh FeiSVPP · PurchaseIndirect52$79.39$4KForm 4
Oct 7, 2026Yoo Chue-SanVPP · PurchaseIndirect50$79.39$4KForm 4
Oct 7, 2026Yuan LipenVPP · PurchaseIndirect40$79.39$3KForm 4
Oct 7, 2026Wu Yi-HuangVPP · PurchaseIndirect39$79.39$3KForm 4
Oct 7, 2026Wei Che-ChiaChairman and CEOP · PurchaseIndirect144$79.39$11KForm 4
Oct 7, 2026Wu Shien-YangSVPP · PurchaseIndirect53$79.39$4KForm 4
Oct 7, 2026Mii Yuh-JierEVP and Co-COOP · PurchaseIndirect68$79.39$5KForm 4
Oct 7, 2026Wang Ying-LangSVPP · PurchaseIndirect52$79.39$4KForm 4
Oct 7, 2026Tien Bor-ZenVPP · PurchaseIndirect47$79.39$4KForm 4
Oct 7, 2026Lu Lee-ChungVPP · PurchaseIndirect49$79.39$4KForm 4
Oct 7, 2026Lu Chin-ShengVPP · PurchaseIndirect36$79.39$3KForm 4
Oct 7, 2026Lin Shyue-ShyhVPP · PurchaseIndirect44$79.39$3KForm 4
Oct 7, 2026Lin Chris Horng-DarVP and CIOP · PurchaseIndirect44$79.39$3KForm 4
Oct 7, 2026Ku Yao-ChingVPP · PurchaseIndirect46$79.39$4KForm 4
Oct 7, 2026Lee Chun-HsienSVPP · PurchaseIndirect51$79.39$4KForm 4
Oct 7, 2026Jang Syun-MingVPP · PurchaseIndirect46$79.39$4KForm 4
Oct 7, 2026Huang Jen-ChauSVP and CFOP · PurchaseIndirect28$79.39$2KForm 4
Oct 7, 2026Hwang Yuan-KoVPP · PurchaseIndirect39$79.39$3KForm 4
Oct 7, 2026Hou Yung-ChinSVP and Deputy Co-COOP · PurchaseIndirect60$79.39$5KForm 4
Oct 7, 2026He JunVPP · PurchaseIndirect43$79.39$3KForm 4
Oct 7, 2026Hsu Kuo-ChinVPP · PurchaseIndirect52$79.39$4KForm 4
Oct 7, 2026Chin Yung-PeiEVP and Co-COOP · PurchaseIndirect67$79.39$5KForm 4
Oct 7, 2026Fang Shu-HuaSVP and GCP · PurchaseIndirect53$79.39$4KForm 4
Oct 7, 2026Cao MinVPP · PurchaseIndirect51$79.39$4KForm 4
Oct 7, 2026Chang Tzonz-ShengSVPP · PurchaseIndirect51$79.39$4KForm 4
Oct 7, 2026Chuang Tzu-SouVPP · PurchaseIndirect46$79.39$4KForm 4
Oct 7, 2026Chuang JuipingVPP · PurchaseIndirect46$79.39$4KForm 4
Oct 7, 2026Chen Chih-HoControllerP · PurchaseIndirect31$79.39$2KForm 4
Oct 7, 2026Chen Pei-HungVPP · PurchaseIndirect43$79.39$3KForm 4
Sep 7, 2026Wu Yi-HuangVPP · PurchaseIndirect40$76.20$3KForm 4
Sep 7, 2026Wu Shien-YangSVPP · PurchaseIndirect57$76.20$4KForm 4
Sep 7, 2026Yuan LipenVPP · PurchaseIndirect41$76.20$3KForm 4
Sep 7, 2026Mii Yuh-JierEVP and Co-COOP · PurchaseIndirect71$76.20$5KForm 4
Sep 7, 2026Zhang Kevin XiaoqiangSVP and Deputy Co-COOP · PurchaseIndirect61$76.20$5KForm 4
Sep 7, 2026Yoo Chue-SanVPP · PurchaseIndirect53$76.20$4KForm 4
Sep 7, 2026Yeap Choh FeiSVPP · PurchaseIndirect54$76.20$4KForm 4
Sep 7, 2026Lu Chin-ShengVPP · PurchaseIndirect38$76.20$3KForm 4
Sep 7, 2026Wei Che-ChiaChairman and CEOP · PurchaseIndirect149$76.20$11KForm 4
Sep 7, 2026Tien Bor-ZenVPP · PurchaseIndirect48$76.20$4KForm 4
Sep 7, 2026Wang Ying-LangSVPP · PurchaseIndirect54$76.20$4KForm 4
Sep 7, 2026Lee Chun-HsienSVPP · PurchaseIndirect52$76.20$4KForm 4
Sep 7, 2026Lin Shyue-ShyhVPP · PurchaseIndirect44$76.20$3KForm 4
Sep 7, 2026Lin Chris Horng-DarVP and CIOP · PurchaseIndirect47$76.20$4KForm 4
Sep 7, 2026Lu Lee-ChungVPP · PurchaseIndirect51$76.20$4KForm 4
Sep 7, 2026Ku Yao-ChingVPP · PurchaseIndirect47$76.20$4KForm 4
Sep 7, 2026Huang Jen-ChauSVP and CFOP · PurchaseIndirect30$76.20$2KForm 4
Sep 7, 2026Jang Syun-MingVPP · PurchaseIndirect49$76.20$4KForm 4
Sep 7, 2026Hsu Kuo-ChinVPP · PurchaseIndirect55$76.20$4KForm 4
Sep 7, 2026Hwang Yuan-KoVPP · PurchaseIndirect40$76.20$3KForm 4
Sep 7, 2026He JunVPP · PurchaseIndirect46$76.20$4KForm 4
Sep 7, 2026Chuang JuipingVPP · PurchaseIndirect50$76.20$4KForm 4
Sep 7, 2026Hou Yung-ChinSVP and Deputy Co-COOP · PurchaseIndirect61$76.20$5KForm 4
Sep 7, 2026Chuang Tzu-SouVPP · PurchaseIndirect47$76.20$4KForm 4
Sep 7, 2026Fang Shu-HuaSVP and GCP · PurchaseIndirect56$76.20$4KForm 4
Sep 7, 2026Chen Chih-HoControllerP · PurchaseIndirect32$76.20$2KForm 4
Sep 7, 2026Cao MinVPP · PurchaseIndirect56$76.20$4KForm 4
Sep 7, 2026Chin Yung-PeiEVP and Co-COOP · PurchaseIndirect71$76.20$5KForm 4
Sep 7, 2026Chang Tzonz-ShengSVPP · PurchaseIndirect53$76.20$4KForm 4
Sep 7, 2026Chen Pei-HungVPP · PurchaseIndirect46$76.20$4KForm 4
Jul 2, 2026Fang Shu-HuaSVP and GCP · PurchaseIndirect2,000$77.09$154KForm 4
Sep 1, 2026Zhang Kevin XiaoqiangSVP and Deputy Co-COOA · Grant/awardDirect20,313——Form 4
Sep 1, 2026Yoo Chue-SanVPA · Grant/awardDirect8,175——Form 4
Sep 1, 2026Wu Shien-YangSVPA · Grant/awardDirect12,881——Form 4
Sep 1, 2026Yeap Choh FeiSVPA · Grant/awardDirect12,881——Form 4
Sep 1, 2026Lu Lee-ChungVPA · Grant/awardDirect8,175——Form 4
Sep 1, 2026Lin Chris Horng-DarVP and CIOA · Grant/awardDirect8,175——Form 4
Sep 1, 2026Wang Ying-LangSVPA · Grant/awardDirect12,881——Form 4
Sep 1, 2026Wei Che-ChiaChairman and CEOA · Grant/awardDirect204,375——Form 4
Sep 1, 2026Mii Yuh-JierEVP and Co-COOA · Grant/awardDirect32,204——Form 4
Sep 1, 2026Lee Chun-HsienSVPA · Grant/awardDirect12,881——Form 4
Sep 1, 2026He JunVPA · Grant/awardDirect8,175——Form 4
Sep 1, 2026Hsu Kuo-ChinVPA · Grant/awardDirect8,175——Form 4
Sep 1, 2026Hou Yung-ChinSVP and Deputy Co-COOA · Grant/awardDirect20,313——Form 4
Sep 1, 2026Huang Jen-ChauSVP and CFOA · Grant/awardDirect20,313——Form 4
Sep 1, 2026Jang Syun-MingVPA · Grant/awardDirect8,175——Form 4
Sep 1, 2026Chin Yung-PeiEVP and Co-COOA · Grant/awardDirect32,204——Form 4
Sep 1, 2026Chang Tzonz-ShengSVPA · Grant/awardDirect12,881——Form 4
Sep 1, 2026Fang Shu-HuaSVP and GCA · Grant/awardDirect20,313——Form 4
Sep 1, 2026Chuang Tzu-SouVPA · Grant/awardDirect8,175——Form 4

Showing the 80 most recent of 127 transactions — see them all in the live tracker.

TSM insider trading FAQ

Are insiders buying TSM stock?

Yes. In the last 90 days, Taiwan Semiconductor Manufacturing Co Ltd insiders made 104 open-market purchases totaling $1.50M, and no open-market sales. Purchases with the insider's own money are generally seen as a stronger signal than sales, which happen for many reasons (taxes, diversification, planned 10b5-1 sales).

Who are the insiders trading TSM?

Recent buyers: Cao Min, Chang Tzonz-Sheng, Chen Chih-Ho, Chen Pei-Hung, Chin Yung-Pei, Chuang Juiping.

Where does TSM insider trading data come from?

Every transaction comes from SEC Form 4 filings on EDGAR. Company officers, directors and 10% owners must file a Form 4 within two business days of buying or selling. InsiderBolt reads these filings directly from the SEC.

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Insider trading data is for informational purposes only and is not investment advice. Filings can be amended; always confirm details on SEC EDGAR.