Ms. John has served as a member of our Board of Directors and as a member of our Audit Committee and our Nominating, Governance and Sustainability Committee since March 2024. Since October 2020, Ms. John has been providing advisory services in the energy industry, primarily focused on clean energy business development and commercialization strategies. Ms. John was the director of innovation and strategy for New Energy Ventures with The Williams Companies, Inc. (NYSE: WMB), a public company, from January 2021 to September 2022. Prior to that Ms. John held a number of leadership roles within BP p.l.c. (LSE: BP) (NYSE: BP), a public company, over a 27-year period, including vice president, marketing and supply, NGLs, from 2009 to 2011, senior vice president marketing and origination, from 2011 to 2017, and most recently, from 2017 to September 2020, as director of structured products where she focused on renewable fuels development. Ms. John has served on the board of Parkland Corporation (TSX: PKI) since August 2021 and serves on its environmental, safety, and sustainability committee and its human resources and compensation committee.
Ms. John earned a Master of Business Administration from Northwestern University’s Kellogg School of Management, and a Bachelor of Science in Chemical Engineering from the University of Houston. Ms. John has also earned an NACD Directorship Certification through the NACD Directorship Certification program and is in the process of completing certification requirements for the NACD CERT Certificate in Cyber-Risk Oversight
What is Angela D. John's net worth?
The estimated net worth of Angela D. John is at least $688.66 thousand as of September 2nd, 2026. Ms. John owns 97,434 shares of Tetra Technologies stock worth more than $688,664 as of September 10th. This net worth evaluation does not reflect any other investments that Ms. John may own. Learn More about Angela D. John's net worth.
How do I contact Angela D. John?
Has Angela D. John been buying or selling shares of Tetra Technologies?
Over the course of the past ninety days, Angela D. John has bought $65,000.00 in Tetra Technologies stock. Most recently, on Wednesday, September 2nd, Angela D. John bought 10,000 shares of Tetra Technologies stock. The stock was acquired at an average cost of $6.50 per share, with a total value of $65,000.00. Following the completion of the transaction, the director now directly owns 97,434 shares of the company's stock, valued at $633,321. Learn More on Angela D. John's trading history.
Who are Tetra Technologies' active insiders?
Are insiders buying or selling shares of Tetra Technologies?
During the last year, Tetra Technologies insiders bought shares 2 times. They purchased a total of 32,000 shares worth more than $281,920.00. During the last year, insiders at the oil and gas company sold shares 3 times. They sold a total of 69,318 shares worth more than $689,511.19. The most recent insider tranaction occured on September, 2nd when Director
Angela D. John bought 10,000 shares worth more than $65,000.00. Insiders at Tetra Technologies own 6.3% of the company.
Learn More about insider trades at Tetra Technologies. Information on this page was last updated on 9/2/2026.