Sep 7–13

Taiwan Semiconductor (TSM) saw an unusual 30-insider buying cluster totaling $121.8K, signaling coordinated internal confidence. GameStop (GME) drew outsized attention with three insiders purchasing $20.7M following an 8-K catalyst, while Uber insiders bought $15.3M across two transactions. The week was notably active at the top end, with eight companies recording cluster buying or seven-figure insider purchases, though most of the 36 tracked companies saw minimal or no insider accumulation.