William Marshall Mauney Jr, Vice President, R&D, on May 11, 2026, sold 2,500 shares in Powell Industries (POWL) for $809,218. Following the Form 4 filing with the SEC, Mauney has control over a total of 10,853 common shares of the company, with 10,853 shares held directly.
SEC Filing:
https://www.sec.gov/Archives/edgar/data/80420/000008042026000072/xslF345X05/wk-form4_1778703249.xml