Desmond Lynch - 01 May 2026 Form 4 Insider Report for Astera Labs, Inc. (ALAB)

Reporting relationship: Chief Financial Officer
Issuer ticker: ALAB
Reported as of: 01 May 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 05 May 2026, 19:01:52 UTC
Prior SEC filing: 10 Mar 2026
Source filing: View source filing
Reporting owner signature: /s/ Philip Mazzara, Attorney-in-Fact

Key filing fact

Desmond Lynch filed Form 4 for Astera Labs, Inc. (ALAB) on 05 May 2026.

Key facts

This page summarizes Desmond Lynch's Form 4 filing for Astera Labs, Inc. (ALAB).
2 reported transactions and 0 derivative rows are listed below.
Accepted by SEC: 05 May 2026, 19:01.

Change

Previous filing in this sequence was filed on 10 Mar 2026.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001941085 Primary reporting owner

Lynch Desmond

Relationship: Chief Financial Officer
Address: C/O ASTERA LABS, INC., 2345 NORTH FIRST STREET, SAN JOSE
Signature: /s/ Philip Mazzara, Attorney-in-Fact
Signature date: 05 May 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

ALAB transaction

Common Stock

Award

Transaction value
Shares: +42,501
Change %
Price: $0.000000^*
Shares after: 42,501
Date: 01 May 2026
Ownership: Direct
Footnotes: F1

ALAB transaction

Common Stock

Award

Transaction value
Shares: +7,083
Change %: +17%
Price: $0.000000^*
Shares after: 49,584
Date: 01 May 2026
Ownership: Direct
Footnotes: F2

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 2 footnotes

Footnote F1

These shares represent an award of restricted stock units ("RSUs") granted on May 1, 2026 under the Astera Labs, Inc. 2024 Stock Option and Incentive Plan (the "Plan"). Such award provides that the RSUs shall vest as to 25% on February 15, 2027 and the remaining RSUs shall vest in 12 equal quarterly installments thereafter, subject to the Reporting Person's continuous service relationship with the Issuer through each applicable vesting date. Each RSU represents a contingent right to receive one share of the Issuer's Common Stock.

Footnote F2

These shares represent an award of RSUs granted on May 1, 2026 under the Plan. Such award provides that the RSUs shall vest as to 100% on February 15, 2027, subject to the Reporting Person's continuous service relationship with the Issuer through each applicable vesting date. Each RSU represents a contingent right to receive one share of the Issuer's Common Stock.