Stephen Chang Biography and Net Worth

CEO of Alpha and Omega Semiconductor

Mr. Stephen C. Chang serves as Chief Executive Officer effective March 2023. He previously served as the Company’s President since January 2021. Prior to that, he served in various management positions, including Executive Vice President of Product Line Management, Senior VP of Marketing, VP of the MOSFET Product Line, and Senior Director of Product Marketing. Mr. Chang has over 20 years of industry experience and leads the Company’s business strategies, product and technology development, sales and marketing functions, manufacturing operation and supply chain management, and other managerial responsibilities. Mr. Chang was instrumental and effective in executing our strategies that have resulted in many accomplishments of the Company, including successes in product diversification, technology development, Tier 1 customer partnerships and development of manufacturing capacity. He received his B.A. in Electrical Engineering from University of California, Berkeley, and M.B.A. from Santa Clara University.

What is Stephen Chunping Chang's net worth?: The estimated net worth of Stephen Chunping Chang is at least $24.88 million as of April 17th, 2026. Mr. Chang owns 635,901 shares of Alpha and Omega Semiconductor stock worth more than $24,876,447 as of April 21st. This net worth evaluation does not reflect any other assets that Mr. Chang may own. Learn More about Stephen Chunping Chang's net worth.
How do I contact Stephen Chunping Chang?: The corporate mailing address for Mr. Chang and other Alpha and Omega Semiconductor executives is 475 OAKMEAD PARKWAY, SUNNYVALE CA, 94085. Alpha and Omega Semiconductor can also be reached via phone at (408) 830-9742 and via email at [email protected]. Learn More on Stephen Chunping Chang's contact information.
Has Stephen Chunping Chang been buying or selling shares of Alpha and Omega Semiconductor?: Within the last three months, Stephen Chunping Chang has sold $691,500.08 in Alpha and Omega Semiconductor stock. Most recently, Stephen Chunping Chang sold 14,884 shares of the business's stock in a transaction on Friday, April 17th. The shares were sold at an average price of $34.47, for a transaction totalling $513,051.48. Following the completion of the sale, the chief executive officer now directly owns 635,901 shares of the company's stock, valued at $21,919,507.47. Learn More on Stephen Chunping Chang's trading history.
Who are Alpha and Omega Semiconductor's active insiders?: Alpha and Omega Semiconductor's insider roster includes Lucas Chang (Director), Mike Chang (Chairman), Stephen Chang (CEO), Claudia Chen (Director), Yueh-Se Ho (Director), Wenjun Li (COO), Yifan Liang (CFO), Michael Pfeiffer (Director), and Bing Xue (EVP). Learn More on Alpha and Omega Semiconductor's active insiders.
Are insiders buying or selling shares of Alpha and Omega Semiconductor?: During the last year, Alpha and Omega Semiconductor insiders bought shares 1 times. They purchased a total of 33,727 shares worth more than $640,813.00. During the last year, insiders at the semiconductor company sold shares 9 times. They sold a total of 64,287 shares worth more than $2,012,205.81. The most recent insider tranaction occured on April, 17th when CFO Yifan Liang sold 8,625 shares worth more than $301,875.00. Insiders at Alpha and Omega Semiconductor own 16.7% of the company. Learn More about insider trades at Alpha and Omega Semiconductor.
Information on this page was last updated on 4/17/2026.

Stephen Chunping Chang Insider Trading History at Alpha and Omega Semiconductor

Transaction Date	Buy/Sell	Number of Shares	Average Share Price	Total Transaction	Shares Held After Transaction	Details
4/17/2026	Sell	14,884	$34.47	$513,051.48	635,901
4/14/2026	Sell	5,594	$31.90	$178,448.60	650,785

Stephen Chunping Chang Buying and Selling Activity at Alpha and Omega Semiconductor

Alpha and Omega Semiconductor Company Overview

Alpha and Omega Semiconductor Limited designs, develops, and supplies power semiconductor products for computing, consumer electronics, communication, and industrial applications in Hong Kong, China, South Korea, the United States, and internationally. It offers power discrete products, including metal-oxide-semiconductor field-effect transistors (MOSFET), SRFETs, XSFET, electrostatic discharge, protected MOSFETs, high and mid-voltage MOSFETs, and insulated gate bipolar transistors for use in smart phone chargers, battery packs, notebooks, desktop and servers, data centers, base stations, graphics card, game boxes, TVs, AC adapters, power supplies, motor control, power tools, E-vehicles, white goods and industrial motor drives, UPS systems, solar inverters, and industrial welding. The company also provides power ICs that deliver power, as well as control and regulate the power management variables, such as the flow of current and level of voltage. Its power ICs are used in flat panel displays, TVs, notebooks, graphic cards, servers, DVD/Blu-Ray players, set-top boxes, and networking equipment. In addition, the company offers transient voltage suppressors, analog switch, and electromagnetic interference filter for notebooks, desktop PCs, tablets, flat panel displays, TVs, smart phones, and portable electronic devices; and 650V and 1200V SiC MOSFET. Alpha and Omega Semiconductor Limited was incorporated in 2000 and is headquartered in Sunnyvale, California.

Today's Range

Now: $39.12

$38.04

$41.70

50 Day Range

MA: $23.18

$19.85

$39.90

2 Week Range

Now: $39.12

$16.28

$41.84

Volume

1,533,988 shs

Average Volume

406,499 shs

Market Capitalization

$1.16 billion

P/E Ratio

N/A

Dividend Yield

N/A

Beta

1.94