Form 4 Filing for Astera Labs, Inc.

On June 4, 2026, Jack R. Lazar, a director at Astera Labs, Inc., reported a series of transactions involving the company's common stock. Lazar acquired 837 shares through an RSU award under the 2024 Stock Option and Incentive Plan, with vesting contingent on continued service. The majority of the reported activity, however, involved the disposition of shares. Lazar sold a total of 11,984 shares in multiple transactions, executed automatically under a Rule 10b5-1 trading plan adopted on December 2, 2025. The sales occurred at prices ranging from $339.56 to $363.4350. Following these transactions, Lazar holds 75,688 shares, with some holdings potentially including deferred stock units and dividend equivalents. The filing indicates that these transactions were conducted as part of a pre-arranged trading plan to comply with Rule 10b5-1.