Astera Labs, Inc. — Director's Dealing 2025

May 29, 2025

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Astera Labs, Inc. (ALAB)
CIK: 0001736297
Period of Report: 2025-05-27

Reporting Person: Gajendra Sanjay (Director, President and COO)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2025-05-27	Common Stock	S	125000	$98.2718	Disposed	6055545	Indirect
2025-05-27	Common Stock	S	20000	$98.175	Disposed	735000	Indirect
2025-05-27	Common Stock	S	20000	$98.1727	Disposed	735000	Indirect

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	2262318	Direct

Footnotes

F1: The sales reported in this Form 4 occurred automatically pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on November 30, 2024.

F2: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $98.1000 to $98.6100, inclusive. The Reporting Person undertakes to
provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price
within the range set forth in this footnote.

F3: These shares are owned directly by an estate planning trust ("Trust 1"), of which the Reporting Person is a trustee. The Reporting Person disclaims beneficial ownership of these securities, except to
the extent, if any, of his pecuniary interest therein, and the filing of this Form 4 is not an admission that the Reporting Person is the beneficial owner of these securities for purposes of Section 16 or for
any other purpose.

F4: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $98.1000 to $98.3500, inclusive. The Reporting Person undertakes to
provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price
within the range set forth in this footnote.

F5: These shares are owned directly by an estate planning trust ("Trust 2"). The Reporting Person disclaims beneficial ownership of these securities, except to the extent, if any, of his pecuniary interest
therein, and the filing of this Form 4 is not an admission that the Reporting Person is the beneficial owner of these securities for purposes of Section 16 or for any other purpose.

F6: These shares are owned directly by an estate planning trust ("Trust 3"). The Reporting Person disclaims beneficial ownership of these securities, except to the extent, if any, of his pecuniary interest
therein, and the filing of this Form 4 is not an admission that the Reporting Person is the beneficial owner of these securities for purposes of Section 16 or for any other purpose.