Welcome to our dedicated page for TAIWAN SEMICONDUCTOR MANUFACTURING CO SEC filings (Ticker: TSMWF), 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.
Our SEC filing database is enhanced with expert analysis from Rhea-AI, providing insights into the potential impact of each filing on TAIWAN SEMICONDUCTOR MANUFACTURING CO's stock performance. Each filing includes a concise AI-generated summary, sentiment and impact scores, and end-of-day stock performance data showing the actual market reaction. Navigate easily through different filing types including 10-K annual reports, 10-Q quarterly reports, 8-K current reports, proxy statements (DEF 14A), and Form 4 insider trading disclosures.
Designed for fundamental investors and regulatory compliance professionals, our page simplifies access to critical SEC filings. By combining real-time SEC filing updates, Rhea-AI's analytical insights, and historical stock performance data, we provide comprehensive visibility into TAIWAN SEMICONDUCTOR MANUFACTURING CO's regulatory disclosures and financial reporting.
TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD vice president Jun He reported an indirect open‑market purchase of 45 Common Shares (2330.TW) at $76.62 per share. The shares were bought on July 7, 2026 by the administrator of the company’s Employee Stock Purchase Plan on the filer’s behalf and are held in an ESPP trust.
Following this transaction, the ESPP trust holds 5,315 Common Shares for the filer. Separate from the ESPP position, the filing shows additional indirect holdings of 7,036 Common Shares under a Long-Term Incentive bonus plan trust and a direct position of 120,119 Common Shares, along with several American Depositary Share balances.
TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD SVP and CFO Jen-Chau Huang reported a small open-market purchase of 28 Common Shares (2330.TW) at $76.62 per share, made by the administrator of the company’s Employee Stock Purchase Plan under predetermined terms.
After this ESPP transaction, 3,524 shares are held indirectly through an ESPP trust, 20,190 shares are held indirectly through a Long-Term Incentive bonus plan trust, and 1,811,543 shares are held directly.
TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD VP Lu Chin‑Sheng reported a small open‑market share purchase through the company’s Employee Stock Purchase Plan. On July 7, 2026, an administrator bought 37 Common Shares (2330.TW) at $76.62 per share on his behalf under predetermined ESPP terms.
After this transaction, Lu indirectly holds 74 shares via the ESPP trust, plus 3,000 shares held by his spouse and 50,967 shares held directly. The filing shows a modest net increase in ownership and no derivative positions.
TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD vice president Tzu-Sou Chuang reported a routine share purchase connected to the company’s employee plans. On July 7, 2026, an administrator for the Employee Stock Purchase Plan bought 45 common shares (2330.TW) on his behalf at $76.62 per share under predetermined plan terms, held indirectly through an ESPP trust.
Following this transaction, his indirect holdings under the ESPP trust increased to 5,759 common shares. He also indirectly holds 7,036 common shares through a Long-Term Incentive bonus plan trust where he has investment control, and directly holds 1,495,165 common shares. All reported positions are in the company’s common shares.
Taiwan Semiconductor Manufacturing Co. VP Min Cao reported a small open-market purchase of 54 common shares on July 7, 2026. The shares were bought at $76.62 each by the administrator of the company’s Employee Stock Purchase Plan under predetermined terms and are held in an ESPP trust, bringing that trust’s holdings to 6,662 shares. Indirect holdings also include 34,470 shares held by a spouse and 10,581 shares held by a Long-Term Incentive bonus plan trust, alongside 507,879 shares held directly.
TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD vice president Lu Lee-Chung reported an open-market style purchase of 49 Common Shares (2330.TW) on July 7, 2026, executed by the administrator of the company’s Employee Stock Purchase Plan according to predetermined terms, at $76.62 per share.
After this ESPP transaction, indirect holdings through the ESPP trust totaled 6,382 shares, alongside 7,036 shares held by an LTI trust and 15,000 shares held by a spouse. Direct ownership stood at 276,716 shares, indicating this was a relatively small, routine increase in overall exposure.
Taiwan Semiconductor Manufacturing Co. VP Shyue-Shyh Lin reported an indirect open‑market purchase of 44 common shares at $76.62 per share. The shares were bought on July 7, 2026 by the administrator of the company’s Employee Stock Purchase Plan on his behalf and are held via an ESPP trust.
After this transaction, Lin’s indirect ESPP trust holdings rose to 249 common shares. The filing also shows 4,000 common shares held indirectly by his spouse and 26,269 common shares held directly in his own name, giving investors a clearer picture of his overall ownership.
Taiwan Semiconductor Manufacturing Co. vice president Yoo Chue-San reported a small share purchase through the company’s employee plan. An administrator for the Employee Stock Purchase Plan bought 51 common shares in the open market at $76.62 per share on his behalf, held indirectly via an ESPP trust.
Following this transaction, the ESPP trust position stands at 6,590 common shares. The filing also lists substantial additional indirect holdings through Yuding Investment Co., a spouse account, and an LTI trust, plus a large block of directly held common shares.
TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD VP Hwang Yuan-Ko reported a net purchase of 40 Common Shares (2330.TW). On July 7, 2026, 40 shares were acquired at $76.62 per share through an open-market purchase executed by the administrator of the company’s Employee Stock Purchase Plan (ESPP) on the filer’s behalf, under terms predetermined by the issuer.
Following this transaction, indirect holdings through the ESPP Trust increased to 219 shares, while a separate line item shows 206,418 shares held directly after a holding entry on the same date. The ESPP purchase price was translated from an average cost of NT$2,462.6361 using an exchange rate of NT$32.143 to US$1, indicating a small, routine, compensation-related increase in the overall ownership position.
TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD senior vice president Tzonz-Sheng Chang reported stock gifts rather than market trades. On 2026-07-03, filings show two bona fide gifts totaling 346,000 Common Shares (2330.TW) at a reported price of $0.0000 per share.
One 173,000-share gift relates to holdings reported "By Spouse," and another 173,000-share gift involves direct ownership. After these transactions, Chang reports 144,638 Common Shares held directly, plus indirect positions of 173,000 shares by spouse, 10,581 shares by an LTI trust, and 5,322 shares by an ESPP trust.