Astera Labs, Inc. — Director's Dealing 2025

Jun 26, 2025

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Astera Labs, Inc. (ALAB)
CIK: 0001736297
Period of Report: 2025-06-24

Reporting Person: Mayer Bethany (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2025-06-24	Common Stock	S	261	$86.8098	Disposed	6663	Direct
2025-06-24	Common Stock	S	312	$87.6454	Disposed	6351	Direct
2025-06-24	Common Stock	S	113	$88.5011	Disposed	6238	Direct
2025-06-26	Common Stock	G	839	—	Disposed	5399	Direct
2025-06-26	Common Stock	G	839	—	Acquired	839	Indirect

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 25, 2024.

F2: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $86.3300 to $87.2950, 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 $87.3550 to $88.0900, 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 $88.4600 to $88.5400, 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.

F5: On June 26, 2025, the Reporting Person transferred 839 shares of Common Stock to The Jantzen/Mayer Family 2002 Trust (the "Trust") for no consideration.

F6: These shares are owned directly by the Trust, of which the Reporting Person is a trustee. The Reporting Person disclaims beneficial ownership of these securities, except to the extent, if any, of her 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.