Every Form 4 that TAIWAN SEMICNDCTR MFG (TSMWF) has filed with the SEC in the last 12 months is listed below, newest first, and each one links through to the document itself with the summary and the scores our analysis gives it.
A Form 4 covers the transactions officers, directors and large holders report, so if you follow TSMWF and want that one kind of document rather than the whole filing history, this is the page to keep. The company's other filings, of every form, are on the full TSMWF filings page.
TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD executive Ho Li-Mei, an SVP, filed an insider ownership report. In this excerpt, there are no listed share purchases, sales, exercises, gifts, or other transactions, and no derivative positions are shown.
TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD director Ursula M. Burns made an open-market purchase of 1,000 American Depositary Shares (ADS) of TSM at $322.05 per ADS. This increased her direct holdings to 3,000 ADS. A separate indirect position of 617 ADS is held by the Malcolm Bean Irrevocable Trust, for which she serves as investment advisor and exercises investing authority. Each ADS represents five common shares, so the filing shows both a larger personal stake and additional exposure through the trust, with no derivative positions reported.
TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD vice president Shyue-Shyh Lin executed an open-market purchase of 3,000 Common Shares (2330.TW) on March 30, 2026 at $54.72 per share. Following this transaction, Lin holds 26,269 common shares directly.
In addition, Lin is reported as having indirect ownership of 53 common shares through an Employee Stock Purchase Plan trust and 4,000 common shares held by a spouse. A footnote states the purchase price reflects a translation from NT$1,750 at a rate of NT$31.980 to US$1.
TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD senior vice president Choh Fei Yeap made an open-market purchase of 1,000 Common Shares (2330.TW) at $55.78 per share, with the price translated from NT$1,790. After this trade, direct holdings increased to 213,375 shares. The filing also reports indirect holdings of 6,201 shares held by an ESPP trust and 10,581 shares held by an LTI trust, both associated with employee compensation plans.
Taiwan Semiconductor Manufacturing vice president Lin Shyue-Shyh made an open-market purchase of 2,000 common shares on March 29, 2026 at $55.63 per share, increasing his direct ownership to 23,269 shares. The price reflects a translation from NT$1,780 at a rate of NT$31.996 to US$1. In addition to his direct stake, the filing shows indirect holdings of 53 shares through an ESPP Trust and 4,000 shares held by his spouse.
Taiwan Semiconductor Manufacturing Co. vice president Tien Bor-Zen made an open-market purchase of 1,000 common shares at $55.93 per share on March 22, 2026. After this transaction, he directly holds 9,051 common shares.
He also has indirect exposure through 48 common shares held via the company’s Employee Stock Purchase Plan trust and 44 common shares held by an immediate family member. In addition, he holds equity linked notes with a $20,000 principal that reference a basket including TSM American Depositary Shares and may settle in up to 71 ADS at a strike price of $278.8973 per ADS if TSM becomes the worst-performing basket component at maturity on June 3, 2026.