Insider Trading Pulse — June 24, 2026
The June 24, 2026 insider trading digest reveals a pronounced bearish tilt, with 11 open-market sales versus only 6 open-market purchases, a ratio of nearly 2:1. The most significant insider activity is concentrated in the biotechnology and technology sectors, where multiple C-suite executives at Relay Therapeutics, Maze Therapeutics, and Twist Bioscience executed large, pre-planned sales, often following option exercises that locked in substantial gains. However, a notable contrarian signal emerges from American Shared Hospital Services, where the Executive Chairman made a massive $1.34M open-market purchase, signaling strong conviction at a depressed price. The day was also marked by a wave of equity awards (18 filings) and option dispositions related to corporate actions at Centessa Pharmaceuticals, which are neutral events but highlight significant insider holdings. Overall, the data suggests a cautious posture among corporate insiders, particularly in high-growth names, while select value-oriented purchases offer potential alpha opportunities.