Yao-Ching Ku Biography and Net Worth

Vice President, Research & Development / Nano Patterning Technology Development of Taiwan Semiconductor Manufacturing

Dr. Y.C. Ku is Vice President of Nano Patterning Technology at Taiwan Semiconductor Manufacturing Co. Ltd. (TSMC). Dr. Ku is responsible for overseeing the strategy and development of critical process technologies that enable the next generation of chips.

Dr. Ku’s expertise spans the full spectrum of lithography, including cutting-edge EUV lithography, immersion lithography, mask making, computational lithography, OPC, resist materials, and photo process development. Dr. Ku has more than three decades of practical experience in the semiconductor industry, and he has been instrumental in transitioning groundbreaking lithography tool and process innovations from the research and development phase into high-volume manufacturing. He joined TSMC in 1999 and was appointed as Director and Senior Director of Nano Patterning Technology in 2015 and 2023, respectively, successfully driving the evolution across a long range of process nodes, from 0.13 micron to the most advanced 1.4 nanometer technologies. Currently, his team is leading the lithography development for the A14, A10, and beyond process technologies.

Dr. Ku received the “National Outstanding Manager Award” and “National Industrial Innovation Award- Innovative Trailblazer Team Award” in 2013 and 2020, respectively, to recognize his role in advancing cutting-edge lithography technology.

Before joining TSMC, he held key lithography R&D roles at both Motorola and UMC. Dr. Ku holds 30 patents globally and has published 20 papers on advanced lithography. Dr. Ku received his Bachelor’s and Master’s degrees in Electrical Engineering from University of South Florida of the United States, and earned his Ph.D. in Electrical Engineering and Computer Science from the Massachusetts Institute of Technology of the United States.

What is Yao-Ching Ku's net worth?: The estimated net worth of Yao-Ching Ku is at least $82.55 thousand as of September 7th, 2026. Dr. Ku owns 188 shares of Taiwan Semiconductor Manufacturing stock worth more than $82,549 as of September 9th. This net worth evaluation does not reflect any other investments that Dr. Ku may own. Learn More about Yao-Ching Ku's net worth.
How do I contact Yao-Ching Ku?: The corporate mailing address for Dr. Ku and other Taiwan Semiconductor Manufacturing executives is Hsinchu Science Park, Hsinchu City, TPE, 300096. Taiwan Semiconductor Manufacturing can also be reached via phone at (863) 563-6688 and via email at [email protected]. Learn More on Yao-Ching Ku's contact information.
Has Yao-Ching Ku been buying or selling shares of Taiwan Semiconductor Manufacturing?: During the past quarter, Yao-Ching Ku has bought $10,551.49 in shares of Taiwan Semiconductor Manufacturing stock. Most recently, on Monday, September 7th, Yao-Ching Ku bought 47 shares of Taiwan Semiconductor Manufacturing stock. The stock was acquired at an average cost of $76.20 per share, with a total value of $3,581.40. Following the completion of the transaction, the vice president now directly owns 188 shares of the company's stock, valued at $14,325.60. Learn More on Yao-Ching Ku's trading history.
Who are Taiwan Semiconductor Manufacturing's active insiders?: Taiwan Semiconductor Manufacturing's insider roster includes Min Cao (Vice President, Research & Development / Pathfinding and Corporate Research / Chief Technology Offic), Richard Cassidy (Sr. VP of Corp. Strategy Office and CEO & Pres of TSMC AZ), Pei-Hung Chen (Vice President, Human Resources), Tzu-Sou Chuang (VP), Jun He (VP of Advanced Packaging Technology and Service), Kuo-Chin Hsu (Vice President, Advanced Packaging Technology Development), Jen-Chau Huang ( Chief Financial Officer and Spokesperson ), Jen-Chau Huang (VP & CFO), Yuan-Ko Hwang (VP, Materials Management), Syun-Ming Jang (VP), Yao-Ching Ku (Vice President, Research & Development / Nano Patterning Technology Development), Yung-Haw Liaw (VP), Chris Lin (Vice President and Chief Information Officer), Lee-Chung Lu (VP), Yuh-Jier Mii (COO), Bor-Zen Tien (VP), Ying-Lang Wang (Senior Vice President, Operations), C. Wei (Vice Chairman & CEO), Che-Chia Wei (Chairman and Chief Executive Officer), Chue-San Yoo (Vice President, Research & Development / Specialty), Lipen Yuan (Vice President, Business Development), and Kevin Zhang (Senior Vice President, Business Development and Global Sales, and Deputy Co-COO). Learn More on Taiwan Semiconductor Manufacturing's active insiders.
Are insiders buying or selling shares of Taiwan Semiconductor Manufacturing?: During the last year, Taiwan Semiconductor Manufacturing insiders bought shares 107 times. They purchased a total of 24,562 shares worth more than $1,798,091.11. During the last year, insiders at the semiconductor company sold shares 1 times. They sold a total of 200,000 shares worth more than $13,966,000.00. The most recent insider tranaction occured on September, 7th when VP Chue-San Yoo bought 53 shares worth more than $4,038.60. Insiders at Taiwan Semiconductor Manufacturing own 1.1% of the company. Learn More about insider trades at Taiwan Semiconductor Manufacturing.
Information on this page was last updated on 9/7/2026.

Yao-Ching Ku Insider Trading History at Taiwan Semiconductor Manufacturing

Transaction Date	Buy/Sell	Number of Shares	Average Share Price	Total Transaction	Shares Held After Transaction
9/7/2026	Buy	47	$76.20	$3,581.40	188
8/7/2026	Buy	47	$73.31	$3,445.57	141
7/7/2026	Buy	46	$76.62	$3,524.52	94

Yao-Ching Ku Buying and Selling Activity at Taiwan Semiconductor Manufacturing

Taiwan Semiconductor Manufacturing Company Overview

Taiwan Semiconductor Manufacturing Company Limited, together with its subsidiaries, manufactures, packages, tests, and sells integrated circuits and other semiconductor devices in Taiwan, China, Europe, the Middle East, Africa, Japan, the United States, and internationally. It provides a range of wafer fabrication processes, including processes to manufacture complementary metal- oxide-semiconductor (CMOS) logic, mixed-signal, radio frequency, embedded memory, bipolar CMOS mixed-signal, and others. The company also offers customer and engineering support services; manufactures masks; and invests in technology start-up companies; researches, designs, develops, manufactures, packages, tests, and sells color filters; and provides investment services. Its products are used in high performance computing, smartphones, Internet of things, automotive, and digital consumer electronics. The company was incorporated in 1987 and is headquartered in Hsinchu City, Taiwan.

Today's Range

Now: $439.09

$433.72

$444.29

50 Day Range

MA: $419.33

$373.84

$451.95

2 Week Range

Now: $439.09

$246.93

$479.00

Volume

13,076,862 shs

Average Volume

8,648,323 shs

Market Capitalization

$2.28 trillion

P/E Ratio

31.68

Dividend Yield

0.69%

Beta

1.39