TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD (TSM) · Insider Trading (Form 4) SEC Filing

=== SEC Form 4 — Statement of Changes in Beneficial Ownership === Document Type: 4 Period of Report: 2026-07-21 10b5-1 Pre-arranged Plan: No --- Issuer --- Name: TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD (TSM) CIK: 0001046179 --- Reporting Owner --- Name: Tien Bor-Zen CIK: 0002114023 Role: Officer (VP) --- Non-Derivative Transactions --- [Transaction #1] Security: Common Shares (2330.TW) Date: 2026-07-21 | Code: P (Open market purchase) Shares: +1,000 | Price: $74.13 Total Value: $74,130.00 Shares Owned After: 13,051 | Ownership: D (Direct) Footnotes: [F1] The price was translated from New Taiwan dollars, NT$2,400, at the rate of NT$32.375 to US$1. [Transaction #2] Security: American Depositary Shares (TSM) Date: 2026-07-20 | Code: P (Open market purchase) Shares: +10 | Price: $405.00 Total Value: $4,050.00 Shares Owned After: 117 | Ownership: D (Direct) Footnotes: [F2] Each American Depositary Share represents five (5) Common Shares. [Transaction #3] Security: Common Shares (2330.TW) Date: 2026-07-21 | Code: P (Open market purchase) Shares: +1,000 | Price: $73.98 Total Value: $73,980.00 Shares Owned After: 2,000 | Ownership: I (Indirect) | Nature: By Spouse Footnotes: [F4] The price was translated from New Taiwan dollars, NT$2,395, at the rate of NT$32.375 to US$1. [Transaction #4] Security: Common Shares (2330.TW) Date: 2026-07-21 | Code: P (Open market purchase) Shares: +1,000 | Price: $74.44 Total Value: $74,440.00 Shares Owned After: 3,000 | Ownership: I (Indirect) | Nature: By Spouse Footnotes: [F5] The price was translated from New Taiwan dollars, NT$2,410, at the rate of NT$32.375 to US$1. [Transaction #5] Security: Common Shares (2330.TW) Date: 2026-07-21 | Code: P (Open market purchase) Shares: +1,000 | Price: $74.75 Total Value: $74,750.00 Shares Owned After: 4,000 | Ownership: I (Indirect) | Nature: By Spouse Footnotes: [F6] The price was translated from New Taiwan dollars, NT$2,420, at the rate of NT$32.375 to US$1. --- Holdings --- [Holding #1] Security: Common Shares (2330.TW) Ownership: I (Indirect) Footnotes: [F3] Common Shares purchased and held under the issuer's Employee Stock Purchase Plan ("ESPP"). [Holding #2] Security: Common Shares (2330.TW) Ownership: I (Indirect) --- Footnotes (Complete Index) --- F1: The price was translated from New Taiwan dollars, NT$2,400, at the rate of NT$32.375 to US$1. F2: Each American Depositary Share represents five (5) Common Shares. F3: Common Shares purchased and held under the issuer's Employee Stock Purchase Plan ("ESPP"). F4: The price was translated from New Taiwan dollars, NT$2,395, at the rate of NT$32.375 to US$1. F5: The price was translated from New Taiwan dollars, NT$2,410, at the rate of NT$32.375 to US$1. F6: The price was translated from New Taiwan dollars, NT$2,420, at the rate of NT$32.375 to US$1. --- Signature --- /s/ /s/ Jen-Chau Huang, as attorney-in-fact (2026-07-23)