Hands trade cash and stock documents across boardroom table, symbolizing insider buying and selling activity. Key Points Three major names saw outsized insider activity: Interactive Brokers, Micron Technology, and AutoZone—each with a different read-through for investors. Micron’s large director purchase is the cleanest bullish signal in the group, while Interactive Brokers’ discretionary sale is more cautionary. AutoZone’s headline sale looks bearish at first glance, but the Form 4 details tie it to o ...