Astera Labs, Inc. — Director's Dealing 2025

Nov 21, 2025

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Astera Labs, Inc. (ALAB)
CIK: 0001736297
Period of Report: 2025-11-20

Reporting Person: LAZAR JACK R (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2025-11-20	Common Stock	S	168	$142.3125	Disposed	97183	Direct
2025-11-20	Common Stock	S	461	$143.601	Disposed	96722	Direct
2025-11-20	Common Stock	S	577	$145.9733	Disposed	96145	Direct
2025-11-20	Common Stock	S	168	$147.575	Disposed	95977	Direct
2025-11-20	Common Stock	S	219	$149.17	Disposed	95758	Direct
2025-11-20	Common Stock	S	166	$152.67	Disposed	95592	Direct
2025-11-20	Common Stock	S	159	$154.0828	Disposed	95433	Direct
2025-11-20	Common Stock	S	286	$157.8474	Disposed	95147	Direct
2025-11-20	Common Stock	S	296	$159.0897	Disposed	94851	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 May 28, 2025.

F2: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $142.0850 to $142.5400, 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: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $143.2800 to $143.7650, 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.

F4: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $145.7200 to $146.2600, 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: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $147.1800 to $147.9700, 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.

F6: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $154.0000 to $154.9800, 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.

F7: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $157.4800 to $158.2200, 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.

F8: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $159.0750 to $159.1050, 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.