Astera Labs General Counsel Philip Mazzara Sells 13,000+ Shares for Tax Withholding

This Form 4 filing reports that Philip Mazzara, General Counsel and Secretary of Astera Labs, Inc. (ALAB), sold 13,000+ shares of common stock on May 18, 2026. The sales were executed through 18 separate transactions at prices ranging from $216.10 to $235.94 per share, resulting in total proceeds of approximately $2.9 million. The filing clarifies these sales were mandatory "sell to cover" transactions to satisfy tax withholding obligations related to the vesting and settlement of restricted stock units previously granted to Mazzara. The transactions were automatic and mandated by the company's pre-arranged election, not discretionary trades by the officer. Following these sales, Mazzara's remaining ownership decreased from 118,215 shares to 104,139 shares.