Astera Labs stock drops 8% after insider sale plan disclosed — what traders watch next
New York, Jan 5, 2026, 13:45 EST — Regular session Astera Labs shares fell 8.4% to $164.50 on Monday, after swinging from a session high near $185 to a low around $162.5. More than 5 million shares had traded by early afternoon. The move matters because Astera has become a high-volatility proxy for investor appetite for AI infrastructure spending, where sentiment can turn quickly on positioning and supply. A sharp reversal early in the year can amplify stop-loss selling and make intraday liquidity more fragile. Insider-selling signals draw extra attention in fast-rising semiconductor names, even when the amounts are small
