1934 Act Registration No. 1-14700

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

_____________________________

FORM 6-K

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REPORT OF FOREIGN PRIVATE ISSUER

PURSUANT TO RULE 13a-16 OR 15d-16 UNDER

THE SECURITIES EXCHANGE ACT OF 1934

For the month of January 2026

(Commission File Number: 001-14700)

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Taiwan Semiconductor Manufacturing Company Limited

(Translation of Registrant’s Name Into English)

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No. 8, Li-Hsin Road 6

Hsinchu Science Park Hsinchu 300-096, Taiwan

Republic of China

(Address of Principal Executive Offices)

_____________________________

Indicate by check mark whether the registrant files or will file annual reports under cover of Form 20-F or Form 40-F.

Form 20-F x Form 40-F o

Indicate by check mark if the registrant is submitting the Form 6-K in papers as permitted by Regulation S-T Rule 101(b)(1):o

Indicate by check mark if the registrant is submitting the Form 6-K in papers as permitted by Regulation S-T Rule 101(b)(7):o

SIGNATURES
Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.			Taiwan Semiconductor Manufacturing Company Limited
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Date: January 15, 2026	By	/s/ Wendell Huang
		Wendell Huang
		Senior Vice President & Chief Financial Officer

Exhibits

Exhibit Number	Exhibit Description
99.1	Press release issued by TSMC on January 1 5 , 20 26 .
99.2	2025 Fourth Quarter Earnings Conference Presentation Material.

Document

TSMC Reports Fourth Quarter EPS of NT$19.50

HSINCHU, Taiwan, R.O.C., Jan. 15, 2026 -- TSMC (TWSE: 2330, NYSE: TSM) today announced consolidated revenue of NT$1,046.09 billion, net income of NT$505.74 billion, and diluted earnings per share of NT$19.50 (US$3.14 per ADR unit) for the fourth quarter ended December 31, 2025.

Year-over-year, fourth quarter revenue increased 20.5% while net income and diluted EPS both increased 35.0%. Compared to third quarter 2025, fourth quarter results represented a 5.7% increase in revenue and an 11.8% increase in net income. All figures were prepared in accordance with TIFRS on a consolidated basis.

In US dollars, fourth quarter revenue was $33.73 billion, which increased 25.5% year-over-year and increased 1.9% from the previous quarter.

Gross margin for the quarter was 62.3%, operating margin was 54.0%, and net profit margin was 48.3%.

In the fourth quarter, shipments of 3-nanometer accounted for 28% of total wafer revenue; 5-nanometer accounted for 35%; 7-nanometer accounted for 14%. Advanced technologies, defined as 7-nanometer and more advanced technologies, accounted for 77% of total wafer revenue.

“Our business in the fourth quarter was supported by strong demand for our leading-edge process technologies,” said Wendell Huang, Senior VP and Chief Financial Officer of TSMC. “Moving into first quarter 2026, we expect our business to be supported by continued strong demand for our leading-edge process technologies.”

Based on the Company’s current business outlook, management expects the overall performance for first quarter 2026 to be as follows:

•Revenue is expected to be between US$34.6 billion and US$35.8 billion;

And, based on the exchange rate assumption of 1 US dollar to 31.6 NT dollars,

•Gross profit margin is expected to be between 63% and 65%;

•Operating profit margin is expected to be between 54% and 56%.

The management further expects the 2026 capital budget to be between US$52 billion and US$56 billion.

TSMC’s 2025 fourth quarter consolidated results:

(Unit: NT$ million, except for EPS)

	4Q25<br><br>Amounta	4Q24<br><br>Amount	YoY<br><br>Inc. (Dec.) %	3Q25<br><br>Amount	QoQ<br><br>Inc. (Dec.) %
Net sales	1,046,090	868,461	20.5	989,918	5.7
Gross profit	651,987	512,379	27.2	588,543	10.8
Income from operations	564,903	452,713	32.7	500,685	12.8
Income before tax	592,363	448,798	32.0	525,369	12.8
Net income	505,744	374,680	35.0	452,302	11.8
EPS (NT$)	19.50b	14.45c	35.0	17.44d	11.8

a: 4Q2025 figures have not been approved by Board of Directors

b: Based on 25,931 million weighted average outstanding shares

c: Based on 25,929 million weighted average outstanding shares

d: Based on 25,930 million weighted average outstanding shares

About TSMC

TSMC pioneered the pure-play foundry business model when it was founded in 1987, and has been the world’s leading dedicated semiconductor foundry ever since. The Company supports a thriving ecosystem of global customers and partners with the industry’s leading process technologies and portfolio of design enablement solutions to unleash innovation for the global semiconductor industry. With global operations spanning Asia, Europe, and North America, TSMC serves as a committed corporate citizen around the world.

TSMC deployed 305 distinct process technologies, and manufactured 12,682 products for 534 customers in 2025 by providing the broadest range of advanced, specialty and advanced packaging technology services. The Company is headquartered in Hsinchu, Taiwan. For more information please visit https://www.tsmc.com.

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TSMC Spokesperson:<br><br>Wendell Huang<br><br>Senior Vice President and CFO	Media Contacts:<br><br>Nina Kao<br><br>Head of Public Relations<br><br>Tel: 886-3-563-6688 ext.712-5036<br><br>Mobile: 886-988-239-163<br><br>E-Mail: [email protected]	Ulric Kelly<br><br>Public Relations<br><br>Tel: 886-3-563-6688 ext.712-6541<br><br>Mobile: 886-978-111-503<br><br>E-Mail: [email protected]

a4q25presentatione

Unleash Innovation © 12026 TSMC, Ltd TSMC Property Unleash Innovation 2025 Fourth Quarter Earnings Conference January 15, 2026

Unleash Innovation © 22026 TSMC, Ltd TSMC Property Agenda • Welcome Jeff Su, IR Director • 4Q25 Financial Results and 1Q26 Outlook Wendell Huang, CFO • Key Messages Wendell Huang, CFO C.C. Wei, Chairman & CEO • Q&A

Unleash Innovation © 32026 TSMC, Ltd TSMC Property Safe Harbor Notice • TSMC’s statements of its current expectations are forward-looking statements subject to significant risks and uncertainties and actual results may differ materially from those contained in the forward-looking statements. • Information as to those factors that could cause actual results to vary can be found in TSMC’s 2024 Annual Report on Form 20-F filed with the United States Securities and Exchange Commission (the “SEC”) on April 17, 2025 and such other documents as TSMC may file with, or submit to, the SEC from time to time. • Except as required by law, we undertake no obligation to update any forward-looking statement, whether as a result of new information, future events, or otherwise.

Unleash Innovation © 42026 TSMC, Ltd TSMC Property Statements of Comprehensive Income Selected Items from Statements of Comprehensive Income 4Q25 4Q25 3Q25 4Q24 4Q25 Over 3Q25 4Q25 Over 4Q24(In NT$ billions unless otherwise noted) Guidance Net Revenue (US$ billions) 33.73 32.2-33.4 33.10 26.88 +1.9% +25.5% Net Revenue 1,046.09 989.92 868.46 +5.7% +20.5% Gross Margin 62.3% 59.0%-61.0% 59.5% 59.0% +2.8 ppts +3.3 ppts Operating Expenses (88.19) (87.76) (86.34) +0.5% +2.1% Operating Margin 54.0% 49.0%-51.0% 50.6% 49.0% +3.4 ppts +5.0 ppts Non-Operating Items 27.46 24.68 23.09 +11.2% +19.0% Net Income Attributable to Shareholders of the Parent Company 505.74 452.30 374.68 +11.8% +35.0% Net Profit Margin 48.3% 45.7% 43.1% +2.6 ppts +5.2 ppts EPS (NT Dollar) 19.50 17.44 14.45 +11.8% +35.0% ROE 38.8% 37.8% 36.2% +1.1 ppts +2.6 ppts Shipment (Kpcs, 12"-equiv. Wafer) 3,961 4,085 3,418 -3.0% +15.9% Average Exchange Rate--USD/NTD 31.01 30.6 29.91 32.30 +3.7% -4.0% * Diluted weighted average outstanding shares were 25,931mn units in 4Q25 ** ROE figures are annualized based on average equity attributable to shareholders of the parent company

Unleash Innovation © 92026 TSMC, Ltd TSMC Property Balance Sheets & Key Indices Selected Items from Balance Sheets 4Q25 3Q25 4Q24 (In NT$ billions) Amount % Amount % Amount % Cash & Marketable Securities 3,068.59 38.7 % 2,751.06 37.4 % 2,422.02 36.2 % Accounts Receivable 281.79 3.6 % 307.81 4.2 % 272.09 4.1 % Inventories 288.11 3.6 % 288.69 3.9 % 287.86 4.3 % Long-term Investments 172.37 2.2 % 148.98 2.0 % 149.04 2.2 % Net PP&E 3,691.84 46.5 % 3,499.34 47.6 % 3,234.98 48.3 % Total Assets 7,933.02 100.0 % 7,354.11 100.0 % 6,691.94 100.0 % Current Liabilities 1,458.02 18.4 % 1,275.91 17.3 % 1,264.53 18.9 % Long-term Interest-bearing Debts 896.06 11.3 % 918.23 12.5 % 958.43 14.3 % Total Liabilities 2,472.23 31.2 % 2,318.53 31.5 % 2,368.36 35.4 % Total Shareholders' Equity 5,460.79 68.8 % 5,035.58 68.5 % 4,323.58 64.6 % Key Indices A/R Turnover Days 26 25 27 Inventory Turnover Days 74 74 80 Current Ratio (x) 2.6 2.7 2.4 Asset Productivity (x) 1.2 1.2 1.1 * Total outstanding shares were 25,933mn units at 12/31/25 ** Asset productivity = Annualized net revenue / Average net PP&E

Unleash Innovation © 102026 TSMC, Ltd TSMC Property Cash Flows * Free cash flow = Cash from operating activities – Capital expenditures (In NT$ billions) 4Q25 3Q25 4Q24 Beginning Balance 2,470.76 2,364.52 1,886.78 Cash from operating activities 725.51 426.83 620.21 Capital expenditures (356.91) (287.45) (361.95) Cash dividends (129.66) (116.70) (103.73) Bonds payable 21.75 (9.06) (1.75) Investments and others 36.41 92.62 88.07 Ending Balance 2,767.86 2,470.76 2,127.63 Free Cash Flow * 368.60 139.38 258.26

Unleash Innovation © 112026 TSMC, Ltd TSMC Property 2025 Financial Highlights (In NT$ billions unless otherwise noted) 2025 2024 YoY Net Revenue (US$ billions) 122.42 90.08 +35.9% Net Revenue 3,809.05 2,894.31 +31.6% Gross Margin 59.9% 56.1% +3.8ppts Operating Margin 50.8% 45.7% +5.1ppts Income before Tax 2,041.66 1,405.84 45.2% EPS - Diluted (NT$) 66.25 45.25 46.4% Operating Cash Flow 2,274.98 1,826.18 +24.6% Capital Expenditures 1,272.41 956.01 +33.1% Free Cash Flow (FCF) 1,002.57 870.17 +15.2% Cash Dividends 466.78 363.05 +28.6% Cash & Marketable Securities 3,068.59 2,422.02 +26.7% ROE 35.4% 30.3% +5.1ppts

Unleash Innovation © 122026 TSMC, Ltd TSMC Property 1Q26 Guidance Based on our current business outlook, management expects: ▪ Revenue to be between US$34.6 billion and US$35.8 billion And, based on the exchange rate assumption of 1 US dollar to 31.6 NT dollars, management expects: ▪ Gross profit margin to be between 63% and 65% ▪ Operating profit margin to be between 54% and 56%

Unleash Innovation © 132026 TSMC, Ltd TSMC Property Future Outlook Based on our current business outlook, management expects: ▪ 2026 revenue to increase by close to 30% in US dollar terms From 2024 to 2029, management expects: ▪ Revenue CAGR to approach 25% in US dollar terms ▪ Long-term gross margin to be 56% and higher through the cycle ▪ ROE to be high-20s% through the cycle

Unleash Innovation © 142026 TSMC, Ltd TSMC Property • Please visit TSMC's website (https://www.tsmc.com) and Market Observation Post System (https://mops.twse.com.tw) for details and other announcements • TSMC 2025 Supply Chain Management Forum Presents Awards to Outstanding Suppliers (2025/11/28) • TSMC Board of Directors Approved NT$6.00 Cash Dividend for the Third Quarter of 2025 and Set March 17, 2026 as Ex-Dividend Date, March 23, 2026 as the Record Date and April 9, 2026 as the Distribution Date (2025/11/11) Recap of Recent Major Events