TransphormHighest Performance, Highest Reliability GaN
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What is Transphorm, Inc.’s primary business?
Transphorm is a global semiconductor company, leading the GaN revolution with the highest performance, highest reliability GaN devices for high voltage power conversion applications. Our innovations are moving power electronics beyond the limitations of silicon to achieve over 99% efficiency, 40% more power density and 20% lower system cost. Transphorm’s unique vertically-integrated innovation model leverages one of the industry’s most experienced GaN engineering teams (with over 300 years of combined experience) at every development stage, and our best-in-class technology is underpinned by one of the GaN power industry’s largest IP portfolios with over 1,000 patents.
What is Transphorm’s ticker symbol and where is the stock traded?
Transphorm is listed on the NASDAQ exchange and its common stock trades under the ticker symbol “TGAN”.
When was the company founded and in which state is it incorporated?

Transphorm was founded by Umesh Mishra, Ph.D. and Primit Parikh, Ph.D. and who currently serve as CTO and COO, respectively. Transphorm Technology was originally incorporated as Transphorm, Inc. in the State of Delaware on February 22, 2007.

On February 12, 2020, our wholly-owned subsidiary, Peninsula Acquisition Sub, Inc., a corporation formed in the State of Delaware (“Acquisition Sub”), merged with and into Transphorm Technology, Inc., or Transphorm Technology (formerly known as Transphorm, Inc.), the corporate existence of Acquisition Sub ceased, and Transphorm Technology became our wholly-owned subsidiary (such transaction, the “Merger”). As a result of the Merger, we acquired the business of Transphorm Technology. The Merger was effective as of February 12, 2020, upon the filing of a Certificate of Merger with the Secretary of State of the State of Delaware. Immediately after completion of the Merger, we adopted Transphorm Technology’s former company name, “Transphorm, Inc.”, as our company name.

Where are Transphorm’s corporate headquarters?
Our principal executive offices are located at 75 Castilian Dr., Goleta, California 93117. Our telephone number is (805) 456-1300.
How many shares are outstanding?
The number of shares of common stock outstanding is based on an aggregate of 53,340,958 shares outstanding as of February 2, 2022. Please refer to our filing with the SEC for more detailed information.
What is Transphorm’s fiscal year end and corresponding quarter-end and reporting dates?
Transphorm operates on a calendar year, which runs from April 1 to March 31. Our quarters end on June 30, September 30, December 31 and March 31. We will report quarterly financial results according to SEC filing requirements for an “emerging growth company” and “smaller reporting company” as defined by SEC rules.
Who is Transphorm’s Transfer Agent?
Transphorm’s transfer agent is Pacific Stock Transfer located at 6725 Via Austi Pkwy #300, Las Vegas, NV 89119 (phone: +1.702 361-3033).
Whom do I contact to obtain a stock certificate or for information about the shares I own?
Existing holders of Transphorm’s common stock can access stock certificates by logging in or setting up an account with Carta (
Whom do I notify if I have an address change?
If you own shares through a brokerage firm, you should contact the brokerage firm directly to change your account address. If you’re a registered shareholder and own shares directly, please contact Transphorm’s transfer agent listed above.
Who is Transphorm’s independent registered public accounting firm?
Marcum LLP has served as the company’s auditor since 2019.
Who is Transphorm’s outside Investor Relations firm?
KCSA Strategic Communications
David Hanover or Jack Perkins
How can I get an Investor Relations package?
Transphorm encourages investors to download the Company’s presentation, press releases, SEC filings, and other corporate information directly from the Transphorm’s website, under “Investor Relations.” To obtain specific information by mail, please contact
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