TSM Insider Trading

Net Selling · 180d
Open-Market Buys (180d)
$2.8M
32 insiders
Open-Market Sells (180d)
$14.0M
2 insiders
Net Insider Flow
-$11.2M
open market, 180d
Reporting Insiders
34
189 P/S transactions
Build

Build on these Form 4 transactions

The public view is the crawlable proof. The same sourced dataset is available through REST and MCP for agents, research scripts, and back-office tools.

Recent Form 4 Transactions

100 shown
DateInsiderRoleActionSharesPriceValue
Aug 19, 2026Yuan LipenVPBuy(P)1K$73.77$74K
Aug 18, 2026Yuan LipenVPBuy(P)350$73.58$26K
Aug 18, 2026Yuan LipenVPBuy(P)1K$74.50$75K
Aug 7, 2026Ku Yao-ChingVPBuy(P)47$73.31$3K
Aug 7, 2026He JunVPBuy(P)46$73.31$3K
Aug 7, 2026Chuang Tzu-SouVPBuy(P)47$73.31$3K
Aug 7, 2026Hou Yung-ChinSVP and Deputy Co-COOBuy(P)63$73.31$5K
Aug 7, 2026Chuang JuipingVPBuy(P)49$73.31$4K
Aug 7, 2026Fang Shu-HuaSVP and GCBuy(P)57$73.31$4K
Aug 7, 2026Chang Tzonz-ShengSVPBuy(P)54$73.31$4K
Aug 7, 2026Chen Chih-HoControllerBuy(P)33$73.31$2K
Aug 7, 2026Chen Pei-HungVPBuy(P)46$73.31$3K
Aug 7, 2026Cao MinVPBuy(P)55$73.31$4K
Aug 7, 2026Chin Yung-PeiEVP and Co-COOBuy(P)72$73.31$5K
Aug 7, 2026Mii Yuh-JierEVP and Co-COOBuy(P)72$73.31$5K
Aug 7, 2026Wang Ying-LangSVPBuy(P)55$73.31$4K
Aug 7, 2026Wei Che-ChiaChairman and CEO, DirectorBuy(P)152$73.31$11K
Aug 7, 2026Wu Shien-YangSVPBuy(P)57$73.31$4K
Aug 7, 2026Tien Bor-ZenVPBuy(P)42$73.31$3K
Aug 7, 2026Tien Bor-ZenVPBuy(P)7$73.31$513
Aug 7, 2026Lin Chris Horng-DarVP and CIOBuy(P)49$73.31$4K
Aug 7, 2026Lu Lee-ChungVPBuy(P)52$73.31$4K
Aug 7, 2026Lin Shyue-ShyhVPBuy(P)47$73.31$3K
Aug 7, 2026Lee Chun-HsienSVPBuy(P)54$73.31$4K
Aug 7, 2026Lu Chin-ShengVPBuy(P)39$73.31$3K
Aug 7, 2026Jang Syun-MingVPBuy(P)50$73.31$4K
Aug 7, 2026Hsu Kuo-ChinVPBuy(P)54$73.31$4K
Aug 7, 2026Huang Jen-ChauSVP and CFOBuy(P)29$73.31$2K
Aug 7, 2026Hwang Yuan-KoVPBuy(P)40$73.31$3K
Aug 7, 2026Yeap Choh FeiSVPBuy(P)57$73.31$4K
Aug 7, 2026Zhang Kevin XiaoqiangSVP and Deputy Co-COOBuy(P)63$73.31$5K
Aug 7, 2026Yuan LipenVPBuy(P)42$73.31$3K
Aug 7, 2026Wu Yi-HuangVPBuy(P)41$73.31$3K
Aug 7, 2026Yoo Chue-SanVPBuy(P)51$73.31$4K
Aug 3, 2026Tien Bor-ZenVPBuy(P)1K$73.06$73K
Jul 31, 2026Tseng Fang ChurngDirectorGift(G)5.0M$0
Jul 31, 2026Tseng Fang ChurngDirectorGift(G)5.0M$0
Jul 28, 2026Tien Bor-ZenVPBuy(P)10$390.00$4K
Jul 28, 2026Tien Bor-ZenVPBuy(P)5$390.00$2K
Jul 28, 2026Tien Bor-ZenVPBuy(P)1K$67.97$68K
Jul 21, 2026Lin Shyue-ShyhVPBuy(P)1K$74.13$74K
Jul 21, 2026Tien Bor-ZenVPBuy(P)1K$74.13$74K
Jul 21, 2026Tien Bor-ZenVPBuy(P)1K$73.98$74K
Jul 21, 2026Tien Bor-ZenVPBuy(P)1K$74.44$74K
Jul 21, 2026Tien Bor-ZenVPBuy(P)1K$74.75$75K
Jul 20, 2026Lin Shyue-ShyhVPBuy(P)1K$72.65$73K
Jul 20, 2026Tien Bor-ZenVPBuy(P)10$405.00$4K
Jul 19, 2026Lin Shyue-ShyhVPBuy(P)1K$72.10$72K
Jul 19, 2026Lin Shyue-ShyhVPBuy(P)1K$71.32$71K
Jul 19, 2026Lin Shyue-ShyhVPBuy(P)1K$71.94$72K
Jul 14, 2026Chen Chih-HoControllerSell(S)50$75.22$4K
Jul 13, 2026Chen Chih-HoControllerBuy(P)50$74.60$4K
Jul 7, 2026Wang Ying-LangSVPBuy(P)53$76.62$4K
Jul 7, 2026Jang Syun-MingVPBuy(P)47$76.62$4K
Jul 7, 2026Wu Shien-YangSVPBuy(P)54$76.62$4K
Jul 7, 2026Ku Yao-ChingVPBuy(P)46$76.62$4K
Jul 7, 2026Chuang JuipingVPBuy(P)47$76.62$4K
Jul 7, 2026Lin Chris Horng-DarVP and CIOBuy(P)46$76.62$4K
Jul 7, 2026Chang Tzonz-ShengSVPBuy(P)52$76.62$4K
Jul 7, 2026Wei Che-ChiaChairman and CEO, DirectorBuy(P)146$76.62$11K
Jul 7, 2026Lee Chun-HsienSVPBuy(P)50$76.62$4K
Jul 7, 2026Chen Pei-HungVPBuy(P)44$76.62$3K
Jul 7, 2026Tien Bor-ZenVPBuy(P)40$76.62$3K
Jul 7, 2026Tien Bor-ZenVPBuy(P)6$76.62$460
Jul 7, 2026Wu Yi-HuangVPBuy(P)39$76.62$3K
Jul 7, 2026Hou Yung-ChinSVP and Deputy Co-COOBuy(P)61$76.62$5K
Jul 7, 2026Yuan LipenVPBuy(P)40$76.62$3K
Jul 7, 2026Chin Yung-PeiEVP and Co-COOBuy(P)69$76.62$5K
Jul 7, 2026Zhang Kevin XiaoqiangSVP and Deputy Co-COOBuy(P)61$76.62$5K
Jul 7, 2026Hsu Kuo-ChinVPBuy(P)52$76.62$4K
Jul 7, 2026Chen Chih-HoControllerBuy(P)31$76.62$2K
Jul 7, 2026Liaw Yung-HawVPBuy(P)48$76.62$4K
Jul 7, 2026Fang Shu-HuaSVP and GCBuy(P)54$76.62$4K
Jul 7, 2026Mii Yuh-JierEVP and Co-COOBuy(P)68$76.62$5K
Jul 7, 2026Yeap Choh FeiSVPBuy(P)53$76.62$4K
Jul 7, 2026He JunVPBuy(P)45$76.62$3K
Jul 7, 2026Huang Jen-ChauSVP and CFOBuy(P)28$76.62$2K
Jul 7, 2026Lu Chin-ShengVPBuy(P)37$76.62$3K
Jul 7, 2026Chuang Tzu-SouVPBuy(P)45$76.62$3K
Jul 7, 2026Cao MinVPBuy(P)54$76.62$4K
Jul 7, 2026Lu Lee-ChungVPBuy(P)49$76.62$4K
Jul 7, 2026Lin Shyue-ShyhVPBuy(P)44$76.62$3K
Jul 7, 2026Yoo Chue-SanVPBuy(P)51$76.62$4K
Jul 7, 2026Hwang Yuan-KoVPBuy(P)40$76.62$3K
Jul 3, 2026Chang Tzonz-ShengSVPGift(G)173K$0
Jul 3, 2026Chang Tzonz-ShengSVPGift(G)173K$0
Jun 30, 2026Tien Bor-ZenVPBuy(P)1K$75.70$76K
Jun 29, 2026Tien Bor-ZenVPBuy(P)1K$76.64$77K
Jun 24, 2026Chuang Tzu-SouVPGift(G)500K$0
Jun 22, 2026Yuan LipenVPBuy(P)1K$79.19$79K
Jun 15, 2026Yuan LipenVPBuy(P)1K$75.26$75K
Jun 8, 2026Chuang Tzu-SouVPGift(G)500K$0
Jun 5, 2026Hwang Yuan-KoVPBuy(P)40$76.01$3K
Jun 5, 2026Ku Yao-ChingVPBuy(P)48$76.01$4K
Jun 5, 2026Hsu Kuo-ChinVPBuy(P)53$76.01$4K
Jun 5, 2026Huang Jen-ChauSVP and CFOBuy(P)30$76.01$2K
Jun 5, 2026Jang Syun-MingVPBuy(P)49$76.01$4K
Jun 5, 2026Fang Shu-HuaSVP and GCBuy(P)55$76.01$4K
Jun 5, 2026Hou Yung-ChinSVP and Deputy Co-COOBuy(P)62$76.01$5K
Jun 5, 2026Chuang JuipingVPBuy(P)50$76.01$4K

Data Source

Insider transactions sourced from SEC EDGAR Form 4 filings, normalized within minutes of acceptance. "Buy"/"Sell" mark open-market transactions (codes P/S), the tradeable signal. Awards, option exercises and tax-withholding are shown with their raw code. All data is public domain.

Coverage: Form 4 filings indexed 2006-01-022026-09-02. Earlier history is backfilling; this window widens as it deepens.

Programmatic access via the Arkolith API & MCP server (insider.transactions, insider.company).