William T Bosway, Director, President, and CEO, on May 26, 2026, executed a purchase for 19,735 shares in Gibraltar Industries (ROCK) for $738,833. Following the Form 4 filing with the SEC, Bosway has control over a total of 250,320 common shares of the company, with 250,320 shares held directly.
SEC Filing:
https://www.sec.gov/Archives/edgar/data/912562/000091256226000122/xslF345X05/form4.xml
Price: $39.44, Change: $+1.96, Percent Change: +5.22%
Bor-Tay Wu, Vice President, Taiwan Operations, on May 22, 2026, sold 40,000 shares in GSI Technology (GSIT) for $437,358. Following the Form 4 filing with the SEC, Wu has control over a total of 912,500 common shares of the company, with 912,500 shares held directly.SEC Filing:https://www.sec.gov/Archives/edgar/data/1126741/000139467026000005/xslF345X05/primary_doc.xml
Chris Freeman, Chief Commercial Officer, on May 22, 2026, sold 24,406 shares in Guardant Health (GH) for $2,896,360. Following the Form 4 filing with the SEC, Freeman has control over a total of 60,034 common shares of the company, with 60,034 shares held directly.SEC Filing:https://www.sec.gov/Archives/edgar/data/1576280/000187161526000010/xslF345X05/wk-form4_1779831478.xml
Timothy PV Mammen, Senior Vice President, Chief Financial Officer, on May 22, 2026, sold 9,975 shares in Ipg Photonics (IPGP) for $1,195,098. Following the Form 4 filing with the SEC, Mammen has control over a total of 76,438 common shares of the company, with 76,438 shares held directly.SEC Filing:https://www.sec.gov/Archives/edgar/data/1111928/000111192826000122/xslF345X05/wk-form4_1779831263.xml