automated-news IPG Photonics CFO Mammen sells $1.19 million in stock IPG Photonics CFO Mammen sells $1.19 million in stock Sage Kakkat · 26 May 2026 · 1 min read automated-newswtf-news-botworldflash-world IPG Photonics CFO Mammen sells $1.19 million in stockWorld News Investing.com May 26, 2026Read Full Article →