Welcome to our dedicated page for Taiwan Semi SEC filings (Ticker: TSM), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.
Taiwan Semiconductor Manufacturing Company Ltd. filings document the reporting framework of a foreign private issuer and ADR whose U.S. disclosures include Form 6-K current reports and annual Form 20-F materials. The filings cover consolidated revenue reports, quarterly earnings presentations, accounting differences between Taiwan-IFRSs and IASB-issued IFRSs, and operating results for the company's semiconductor foundry business.
TSMC's regulatory disclosures also address shareholder meeting agendas, business reports and financial statements, Audit and Risk Committee review materials, earnings distribution, directors' compensation, employee profit-sharing bonuses, amendments to corporate procedures, unsecured bond issuance, asset acquisitions and dispositions, capital appropriations, share cancellations, and changes in shareholdings or pledges by directors, executive officers and large shareholders.
TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD VP Shyue-Shyh Lin reported a small open-market purchase through an employee plan. On May 8, 2026, an ESPP trust bought 48 Common Shares (2330.TW) at $71.82 per share for his benefit under predetermined plan terms.
Following this transaction, indirect ESPP holdings rose to 159 shares, alongside 4,000 shares held indirectly by his spouse and 26,269 shares held directly. The trade reflects ongoing participation in the company’s Employee Stock Purchase Plan rather than a large discretionary market move.
Taiwan Semiconductor Manufacturing Co. VP Lu Lee-Chung reported an indirect purchase of 54 common shares on behalf of an Employee Stock Purchase Plan (ESPP) trust at $71.82 per share. The shares were bought by the ESPP administrator under predetermined plan terms and are held in the ESPP trust.
After this transaction, the ESPP trust holds 6,281 common shares. Lu also reports 276,716 common shares held directly, 15,000 common shares held by a spouse, and 7,036 common shares held by a Long-Term Incentive (LTI) plan trust.
Taiwan Semiconductor Manufacturing Co. EVP and Co-COO Yuh-Jier Mii reported a small insider purchase and updated holdings. On May 8, 2026, an ESPP trust bought 75 Common Shares (2330.TW) for him at $71.82 per share under the company’s Employee Stock Purchase Plan. After this, the ESPP trust holds 7,887 Common Shares, while an LTI trust holds 63,345 Common Shares and he directly owns 1,254,057 Common Shares and 25 American Depositary Shares. He also holds Equity Linked Notes referencing up to 636 and 703 ADRs, which may settle in cash or ADSs at future exercisable dates.
TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD SVP and CFO Jen-Chau Huang reported a small open-market purchase of 30 Common Shares of 2330.TW at $71.82 per share. The shares were bought by the administrator of the company’s Employee Stock Purchase Plan on his behalf and are held indirectly via an ESPP trust, bringing those holdings to 3,466 shares. He also reports 20,190 shares held indirectly through a Long-Term Incentive bonus plan trust and 1,811,543 shares held directly after these updates.
TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD vice president Kuo-Chin Hsu reported a small open-market purchase through an employee plan. On May 8, 2026, a trust under the Employee Stock Purchase Plan bought 56 Common Shares (2330.TW) at $71.82 per share, held indirectly for him.
After this transaction, he held 6,515 Common Shares indirectly via the ESPP trust, plus other indirect holdings of Common Shares by spouse and a Long-Term Incentive trust, and direct holdings of both Common Shares and American Depositary Shares. No derivative positions were reported in this filing.
TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD vice president Chun-Hsien Lee reported an indirect purchase of 53 Common Shares (2330.TW) at $71.82 per share on May 8, 2026. The shares were bought by the administrator of the company’s Employee Stock Purchase Plan on his behalf.
After this ESPP transaction, the ESPP trust holds 5,834 shares for him. The filing also shows 6,000 shares held indirectly by his spouse, 10,581 shares held indirectly via an LTI bonus plan trust, and 506,032 shares held directly.
TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD VP Hwang Yuan-Ko reported a small share purchase through the company’s Employee Stock Purchase Plan. On this Form 4, an administrator bought 42 Common Shares (2330.TW) on 2026-05-08 at $71.82 per share under predetermined ESPP terms.
These 42 shares are held indirectly via an ESPP Trust, bringing Hwang’s indirect holdings to 139 Common Shares. A separate holding line shows 206,418 Common Shares held directly after the reported transactions, indicating the ESPP activity is modest compared with the overall direct position.
TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD vice president Syun-Ming Jang reported an indirect open-market purchase of common shares on May 8, 2026. Through an Employee Stock Purchase Plan (ESPP) trust, 52 common shares were bought at $71.82 per share under predetermined plan terms.
After this purchase, the ESPP trust held 5,747 common shares for Jang. He also reported indirect holdings of 2,000 shares through his spouse and 7,036 shares through a Long-Term Incentive (LTI) bonus plan trust, plus 443,879 common shares held directly.
TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD senior executive Yung-Chin Hou reported an indirect purchase of common shares through the company’s Employee Stock Purchase Plan (ESPP). The administrator bought 66 shares on May 8, 2026 at $71.82 per share under terms predetermined by the issuer.
These ESPP shares are held in a trust, bringing that trust’s holdings to 7,274 shares. The filing also shows indirect holdings of 60,802 shares by the spouse and 20,190 shares through a Long-Term Incentive (LTI) bonus plan trust, plus 662,403 shares held directly.
Taiwan Semiconductor Manufacturing Co. Ltd. senior vice president and general counsel Shu-Hua Fang reported a small indirect share purchase. On behalf of Fang, the administrator of the company’s Employee Stock Purchase Plan bought 59 common shares at $71.82 per share, held through an ESPP trust under predetermined plan terms.
Following this ESPP transaction, Fang is shown with 6,486 common shares held indirectly via the ESPP trust, alongside other indirect positions through Ming Jing Capital, Ming Yuan Capital, an immediate family member, a spouse, and an LTI trust. The filing also lists 858,392 common shares held directly.