L Tewksbury  III net worth and biography

L III Biography and Net Worth

Director of Silvaco Group

Dr. Theodore “Ted” Tewksbury has served as a member of the Board and as a member of our Audit Committee since [April 2026]. Dr. Tewksbury has served as the Chair of the Board of Ouster, Inc., a provider of lidar sensors and software, since April 2024 and as the Executive Chairman from February 2023 to April 2024. From November 2021 to February 2023, Dr. Tewksbury served as CEO of Velodyne Lidar, Inc., a provider of lidar technologies that merged with Ouster, Inc. in February 2023. Prior to that, he was CEO of Eta Compute, a provider of ultralow power edge Al chips and software, from August 2019 to November 2021. Dr. Tewksbury has been a director of MaxLinear, Inc. (Nasdaq: MXL), a mixed-signal semiconductor company, since May 2015, where he chairs the Cybersecurity Committee and serves on the Audit and Nominating and Governance committees. From February 2011 to March 2019, Dr. Tewksbury was Chairman and CEO of Energy Focus, Inc., a provider of LED lighting systems and controls. Dr. Tewksbury was a director of Entropic Communications from September 2010 and CEO from November 2014 until MaxLinear’s acquisition of Entropic in April 2015. From 2013 to November 2014, he was an independent consultant to technology companies. From 2008 to 2013, Dr. Tewksbury served as CEO of integrated Device Technology, Inc. and, from 2006 to 2008, was president and Chief Operating Officer of AMI Semiconductor, both of which were public semiconductor companies. Prior to that, he held management and engineering leadership roles at Maxim integrated Products, IBM Microelectronics and Analog Devices. Dr. Tewksbury was a member of the board of directors of the Global Semiconductor Alliance (GSA) from March 2011 to August 2013. Dr. Tewksbury holds a B.S. in Architecture and an M.S. and a Ph.D. in Electrical Engineering from the Massachusetts institute of Technology. We believe that Dr. Tewksbury is qualified to serve as a member of our Board of Directors and our Audit Committee due to his industry knowledge and expensive experience as an executive and director for public technology companies.

What is L Tewksbury III's net worth?

The estimated net worth of L Tewksbury III is at least $123.10 thousand as of August 11th, 2026. III owns 18,143 shares of Silvaco Group stock worth more than $123,100 as of August 25th. This net worth estimate does not reflect any other investments that III may own. Learn More about L Tewksbury III's net worth.

How do I contact L Tewksbury III?

The corporate mailing address for III and other Silvaco Group executives is , , . Silvaco Group can also be reached via phone at 408-567-1000 and via email at [email protected]. Learn More on L Tewksbury III's contact information.

Has L Tewksbury III been buying or selling shares of Silvaco Group?

During the last quarter, L Tewksbury III has sold $4,222.40 in Silvaco Group stock. Most recently, Ted L. Tewksbury III sold 580 shares of the business's stock in a transaction on Tuesday, August 11th. The shares were sold at an average price of $7.28, for a transaction totalling $4,222.40. Following the completion of the sale, the director now directly owns 18,143 shares of the company's stock, valued at $132,081.04. Learn More on L Tewksbury III's trading history.

Who are Silvaco Group's active insiders?

Silvaco Group's insider roster includes Cheemin Bo-Linn (Director), Eric Guichard (Insider), L III (Director), Candace Jackson (Insider), Anthony Ngai (Director), Katherine Ngai-Pesic (Major Shareholder), Walden Rhines (CEO), Babak Taheri (CEO), and Christopher Zegarelli (CFO). Learn More on Silvaco Group's active insiders.

Are insiders buying or selling shares of Silvaco Group?

In the last year, Silvaco Group insiders bought shares 13 times. They purchased a total of 97,150 shares worth more than $432,938.50. In the last year, insiders at the sold shares 12 times. They sold a total of 921,155 shares worth more than $3,865,208.70. The most recent insider tranaction occured on August, 12th when CFO Christopher John Zegarelli sold 2,257 shares worth more than $17,040.35. Insiders at Silvaco Group own 47.9% of the company. Learn More about insider trades at Silvaco Group.

Information on this page was last updated on 8/12/2026.

L Tewksbury III Insider Trading History at Silvaco Group

Transaction DateBuy/SellNumber of SharesAverage Share PriceTotal TransactionShares Held After TransactionDetails
8/11/2026Sell580$7.28$4,222.4018,143View SEC Filing Icon  
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L Tewksbury III Buying and Selling Activity at Silvaco Group

This chart shows Ted L Tewksbury III's buying and selling at Silvaco Group by year and by quarter.

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Silvaco Group Company Overview

Silvaco Group logo
Silvaco Group Inc. is a provider of TCAD, EDA software and SIP solutions which enable semiconductor design and AI through software and innovation. The company's solutions are used for process and device development across display, power devices, automotive, memory, high performance compute, photonics, internet of things and 5G/6G mobile markets for complex SoC design. Silvaco Group Inc. is headquartered in Santa Clara, California.
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Today's Range

Now: $6.73
Low: $6.64
High: $7.04

50 Day Range

MA: $9.48
Low: $6.67
High: $13.79

2 Week Range

Now: $6.73
Low: $3.07
High: $14.39

Volume

154,998 shs

Average Volume

459,311 shs

Market Capitalization

$228.08 million

P/E Ratio

N/A

Dividend Yield

N/A

Beta

0.64