Mazzara Philip 4

What Happened
Philip Mazzara, General Counsel and Secretary of Astera Labs (ALAB), acquired 131 shares on May 14, 2026 at a price of $120.18 per share, for a total cost/value of approximately $15,744. The transaction is reported as an acquisition/award (code A) and was made under Astera Labs’ 2024 Employee Stock Purchase Plan.

Key Details

• Transaction date and price: May 14, 2026 — 131 shares at $120.18 each.
• Total value: ~ $15,744.
• Plan: Astera Labs, Inc. 2024 Employee Stock Purchase Plan.
• Footnote: Shares acquired under the ESPP and exempt under Rule 16b-3(d) and Rule 16b-3(c) (standard exemptions for compensatory plan transactions).
• Shares owned after the transaction: not specified in the provided filing excerpt.
• Filing timeliness: Form 4 filed May 18, 2026 — within the two-business-day reporting window (timely).

Context
This was an employee purchase under a company ESPP (a routine, compensatory benefit) rather than an open-market buy or sale by the insider. Such purchases are common and typically small relative to executive holdings; they provide limited information about insider sentiment. The Rule 16b-3 exemption means the transaction is treated as a standard compensatory-plan acquisition and isn’t subject to short-swing profit recovery.