
A director at Hallador Energy (HNRG) made their largest-ever stock purchase; historically, the stock has gained an average of 44% within three months following their buys. The CEO of Energy Focus (EFOI) also showed high conviction with a significant purchase that increased their personal holdings by over 13%. Conversely, investors should be cautious with Carpenter Technology (CRS) and Darling Ingredients (DAR), as both stocks have historically dropped 7-8% after recent large CEO sales. The CFO of Robinhood (HOOD) made their largest-ever unscheduled sale after a 65% run-up, signaling a potential peak for the stock. Finally, a cluster of insiders at Cipher Mining (CIFR) are selling into its recent 22% rally, suggesting the move may be overextended.