6-K

1934 Act Registration No. 1-14700

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

_____________________________

FORM 6-K

_____________________________

REPORT OF FOREIGN PRIVATE ISSUER

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

THE SECURITIES EXCHANGE ACT OF 1934

For the month of April 2026

(Commission File Number: 001-14700)

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Taiwan Semiconductor Manufacturing Company Limited

(Translation of Registrant’s Name Into English)

_____________________________

No. 8, Li-Hsin Road 6

Hsinchu Science Park
Hsinchu 300-096, Taiwan

Republic of China

(Address of Principal Executive Offices)

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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
Date: April 16, 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 April 16, 2026.
99.2	2026 First Quarter Earnings Conference Presentation Material.

EX-99.1

TSMC Reports First Quarter EPS of NT$22.08

HSINCHU, Taiwan, R.O.C., Apr. 16, 2026 -- TSMC (TWSE: 2330, NYSE: TSM) today announced consolidated revenue of NT$1,134.10 billion, net income of NT$572.48 billion, and diluted earnings per share of NT$22.08 (US$3.49 per ADR unit) for the first quarter ended March 31, 2026.

Year-over-year, first quarter revenue increased 35.1%, while net income and diluted EPS both increased 58.3%. Compared to fourth quarter 2025, first quarter results represented an 8.4% increase in revenue and a 13.2% increase in net income. All figures were prepared in accordance with TIFRS on a consolidated basis.

In US dollars, first quarter revenue was $35.90 billion, which increased 40.6% year-over-year and increased 6.4% from the previous quarter.

Gross margin for the quarter was 66.2%, operating margin was 58.1%, and net profit margin was 50.5%.

In the first quarter, shipments of 3-nanometer accounted for 25% of total wafer revenue; 5-nanometer accounted for 36%; 7-nanometer accounted for 13%. Advanced technologies, defined as 7-nanometer and more advanced technologies, accounted for 74% of total wafer revenue.

“Our business in the first 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 second 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 second quarter 2026 to be as follows:

•Revenue is expected to be between US$39.0 billion and US$40.2 billion;

And, based on the exchange rate assumption of 1 US dollar to 31.7 NT dollars,

•Gross profit margin is expected to be between 65.5% and 67.5%;

•Operating profit margin is expected to be between 56.5% and 58.5%.

TSMC’s 2026 first quarter consolidated results:

(Unit: NT$ million, except for EPS)

	1Q26 Amounta	1Q25 Amount	YoY Inc. (Dec.) %	4Q25 Amount	QoQ Inc. (Dec.) %
Net sales	1,134,103	839,254	35.1	1,046,090	8.4
Gross profit	751,295	493,395	52.3	651,987	15.2
Income from operations	658,966	407,081	61.9	564,903	16.7
Income before tax	687,800	430,895	59.6	592,363	16.1
Net income	572,480	361,564	58.3	505,744	13.2
EPS (NT$)	22.08b	13.94c	58.3	19.50b	13.2

a: 1Q2026 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

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.

# # #

TSMC Spokesperson: Wendell Huang Senior Vice President and CFO Media Contacts: Nina Kao Head of Public Relations Tel: 886-3-563-6688 ext.712-5036 Mobile: 886-988-239-163 E-Mail: press@tsmc.com Ulric Kelly Public Relations Tel: 886-3-563-6688 ext.712-6541 Mobile: 886-978-111-503 E-Mail: press@tsmc.com

EX-99.2

Unleash Innovation © 02026 TSMC, Ltd TSMC Property Unleash Innovation 2026 First Quarter Earnings Conference April 16, 2026

Unleash Innovation © 12026 TSMC, Ltd TSMC Property Agenda • Welcome Jeff Su, IR Director • 1Q26 Financial Results and 2Q26 Outlook Wendell Huang, CFO • Key Messages Wendell Huang, CFO C.C. Wei, Chairman & CEO • Q&A

Unleash Innovation © 22026 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 © 32026 TSMC, Ltd TSMC Property Statements of Comprehensive Income Selected Items from Statements of Comprehensive Income 1Q26 1Q26 4Q25 1Q25 1Q26 Over 4Q25 1Q26 Over 1Q25(In NT$ billions unless otherwise noted) Guidance Net Revenue (US$ billions) 35.90 34.6-35.8 33.73 25.53 +6.4% +40.6% Net Revenue 1,134.10 1,046.09 839.25 +8.4% +35.1% Gross Margin 66.2% 63.0%-65.0% 62.3% 58.8% +3.9 ppts +7.4 ppts Operating Expenses (94.01) (88.19) (85.19) +6.6% +10.4% Operating Margin 58.1% 54.0%-56.0% 54.0% 48.5% +4.1 ppts +9.6 ppts Non-Operating Items 28.83 27.46 23.82 +5.0% +21.1% Net Income Attributable to Shareholders of the Parent Company 572.48 505.74 361.56 +13.2% +58.3% Net Profit Margin 50.5% 48.3% 43.1% +2.2 ppts +7.4 ppts EPS (NT Dollar) 22.08 19.50 13.94 +13.2% +58.3% ROE 40.5% 38.8% 32.7% +1.7 ppts +7.8 ppts Shipment (Kpcs, 12"-equiv. Wafer) 4,174 3,961 3,259 +5.4% +28.1% Average Exchange Rate--USD/NTD 31.59 31.6 31.01 32.88 +1.9% -3.9% * Diluted weighted average outstanding shares were 25,931mn units in 1Q26 ** ROE figures are annualized based on average equity attributable to shareholders of the parent company

Unleash Innovation © 42026 TSMC, Ltd TSMC Property 1Q26 Revenue by Technology 0.11/0.13um 1% 90nm 1% 0.25um and above 1% 40/45nm 3% 28nm 7% 16/20nm 7% 0.15/0.18um 2% 65nm 4% 7nm 13% 5nm 36% 3nm 25% - 100 200 300 400 500 600 700 800 1Q24 2Q24 3Q24 4Q24 1Q25 2Q25 3Q25 4Q25 1Q26 R e v e n u e ( N T $ B ) 7nm 5nm 3nm 7nm and Below Revenue

Unleash Innovation © 52026 TSMC, Ltd TSMC Property 1Q26 Revenue by Platform Automotive 4% DCE 1% Others 2% IoT 6% HPC 61% Smartphone 26%

Unleash Innovation © 62026 TSMC, Ltd TSMC Property Balance Sheets & Key Indices Selected Items from Balance Sheets 1Q26 4Q25 1Q25 (In NT$ billions) Amount % Amount % Amount % Cash & Marketable Securities 3,383.60 39.0 % 3,068.59 38.7 % 2,703.09 37.9 % Accounts Receivable 363.01 4.2 % 281.79 3.6 % 243.95 3.4 % Inventories 311.45 3.6 % 288.11 3.6 % 293.39 4.1 % Long-term Investments 166.57 1.9 % 172.37 2.2 % 160.79 2.2 % Net PP&E 3,954.68 45.7 % 3,691.84 46.5 % 3,400.81 47.7 % Total Assets 8,660.95 100.0 % 7,933.02 100.0 % 7,133.29 100.0 % Current Liabilities 1,714.25 19.8 % 1,458.02 18.4 % 1,399.80 19.6 % Long-term Interest-bearing Debts 901.02 10.4 % 896.06 11.3 % 986.98 13.8 % Total Liabilities 2,728.56 31.5 % 2,472.23 31.2 % 2,531.66 35.5 % Total Shareholders' Equity 5,932.39 68.5 % 5,460.79 68.8 % 4,601.63 64.5 % Key Indices A/R Turnover Days 26 26 28 Inventory Turnover Days 80 74 83 Current Ratio (x) 2.5 2.6 2.4 Asset Productivity (x) 1.2 1.2 1.0 * Total outstanding shares were 25,932mn units at 3/31/26 ** Asset productivity = Annualized net revenue / Average net PP&E

Unleash Innovation © 72026 TSMC, Ltd TSMC Property Cash Flows * Free cash flow = Cash from operating activities – Capital expenditures (In NT$ billions) 1Q26 4Q25 1Q25 Beginning Balance 2,767.86 2,470.76 2,127.63 Cash from operating activities 698.97 725.51 625.57 Capital expenditures (350.76) (356.91) (330.83) Cash dividends (129.66) (129.66) (103.72) Bonds payable 12.40 21.75 16.20 Investments and others 36.83 36.41 59.95 Ending Balance 3,035.64 2,767.86 2,394.80 Free Cash Flow * 348.21 368.60 294.74

Unleash Innovation © 82026 TSMC, Ltd TSMC Property 2Q26 Guidance Based on our current business outlook, management expects: ▪ Revenue to be between US$39.0 billion and US$40.2 billion And, based on the exchange rate assumption of 1 US dollar to 31.7 NT dollars, management expects: ▪ Gross profit margin to be between 65.5% and 67.5% ▪ Operating profit margin to be between 56.5% and 58.5%

Unleash Innovation © 92026 TSMC, Ltd TSMC Property Future Outlook Based on our current business outlook, management expects: ◼ 2026 revenue to increase by above 30% in US dollar terms

Unleash Innovation © 102026 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 Board of Directors Approved NT$6.00 Cash Dividend for the Fourth Quarter of 2025 and Set June 11, 2026 as Ex-Dividend Date, June 17, 2026 as the Record Date and July 9, 2026 as the Distribution Date (2026/02/10) Recap of Recent Major Events

Unleash Innovation © 112026 TSMC, Ltd TSMC Property https://www.tsmc.com invest@tsmc.com