IREN co-founders and co-CEOs, the Roberts brothers, have sold 1 million shares each, totaling $66 million, as the company's stock price hit a new high of $33. Despite the sale, they each retain approximately 13.99 million shares, representing about 6% of IREN's outstanding shares. This marks their second major sell-off in two years, following a similar sale in December 2023 when the stock was around $5.