Michael Pfeiffer Biography and Net Worth

Director of Alpha and Omega Semiconductor

Michael L. Pfeiffer has been a director of our company since January 2014. From 2008 to 2013, Mr. Pfeiffer served as a member of the board of directors of BCD Semiconductor Manufacturing Limited, a company listed on NASDAQ until it was acquired in 2013. From 2009 to 2014, Mr. Pfeiffer served as a member of the board of directors of Integrated Memory Logic, Ltd., a semiconductor company listed on the Taiwan Stock Exchange until it was acquired in 2014. From 2014 to 2016, Mr. Pfeiffer served on the board of directors of Razer, Inc., a computer peripherals company. Mr. Pfeiffer, who is a certified public accountant in California, worked for PricewaterhouseCoopers LLP for over 30 years, including 18 years as the engagement partner on the audits of the financial statements of high technology companies in the Silicon Valley. Mr. Pfeiffer received an MBA from the University of Oregon and a BA from Eckerd College in Florida. Mr. Pfeiffer’s extensive experience and expertise in the area of finance, accounting and auditing of publicly traded companies in the semiconductor industry, and his knowledge and background in working with companies with international operations, make him a valuable member of our Board, particularly in its role of exercising oversight and risk management of the Company’s accounting and financial reporting process.

What is Michael L. Pfeiffer's net worth?: The estimated net worth of Michael L. Pfeiffer is at least $1.31 million as of January 19th, 2024. Pfeiffer owns 61,157 shares of Alpha and Omega Semiconductor stock worth more than $1,313,652 as of December 4th. This net worth estimate does not reflect any other investments that Pfeiffer may own. Learn More about Michael L. Pfeiffer's net worth.
How do I contact Michael L. Pfeiffer?: The corporate mailing address for Pfeiffer 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 Michael L. Pfeiffer's contact information.
Has Michael L. Pfeiffer been buying or selling shares of Alpha and Omega Semiconductor?: Michael L. Pfeiffer has not been actively trading shares of Alpha and Omega Semiconductor during the past quarter. Most recently, Michael L. Pfeiffer sold 2,673 shares of the business's stock in a transaction on Friday, January 19th. The shares were sold at an average price of $27.34, for a transaction totalling $73,079.82. Following the completion of the sale, the director now directly owns 61,157 shares of the company's stock, valued at $1,672,032.38. Learn More on Michael L. Pfeiffer'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), 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, insiders at the semiconductor company sold shares 5 times. They sold a total of 41,597 shares worth more than $1,990,466.44. The most recent insider tranaction occured on May, 12th when EVP Bing Xue sold 1,845 shares worth more than $43,781.85. 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 5/12/2025.

Michael L. Pfeiffer 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
1/19/2024	Sell	2,673	$27.34	$73,079.82	61,157

Michael L. Pfeiffer 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: $21.48

$21.21

$21.75

50 Day Range

MA: $24.90

$17.47

$31.95

2 Week Range

Now: $21.48

$15.90

$53.29

Volume

251,682 shs

Average Volume

475,274 shs

Market Capitalization

$645.69 million

P/E Ratio

N/A

Dividend Yield

N/A

Beta

1.93