Astera Labs, Inc. — Director's Dealing 2025

Dec 4, 2025

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Astera Labs, Inc. (ALAB)
CIK: 0001736297
Period of Report: 2025-12-01

Reporting Person: ALBA MANUEL (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2025-12-01	Common Stock	S	4504	$153.7961	Disposed	1719994	Indirect
2025-12-01	Common Stock	S	3232	$154.7449	Disposed	1716762	Indirect
2025-12-01	Common Stock	S	1062	$155.4979	Disposed	1715700	Indirect
2025-12-01	Common Stock	S	807	$156.8767	Disposed	1714893	Indirect
2025-12-01	Common Stock	S	425	$158.108	Disposed	1714468	Indirect
2025-12-01	Common Stock	S	963	$159.2928	Disposed	1713505	Indirect
2025-12-01	Common Stock	S	1068	$160.5384	Disposed	1712437	Indirect
2025-12-01	Common Stock	S	4076	$161.63	Disposed	1708361	Indirect
2025-12-01	Common Stock	S	2322	$162.5217	Disposed	1706039	Indirect
2025-12-01	Common Stock	S	10732	$163.6772	Disposed	1695307	Indirect
2025-12-01	Common Stock	S	12468	$164.6019	Disposed	1682839	Indirect
2025-12-01	Common Stock	S	38644	$165.3947	Disposed	1644195	Indirect
2025-12-01	Common Stock	S	12868	$166.6674	Disposed	1631327	Indirect
2025-12-01	Common Stock	S	11158	$167.5228	Disposed	1620169	Indirect
2025-12-01	Common Stock	S	4582	$168.5673	Disposed	1615587	Indirect
2025-12-01	Common Stock	S	8872	$169.8448	Disposed	1606715	Indirect
2025-12-01	Common Stock	S	13722	$170.6272	Disposed	1592993	Indirect
2025-12-01	Common Stock	S	12186	$171.5749	Disposed	1580807	Indirect
2025-12-01	Common Stock	S	6309	$172.575	Disposed	1574498	Indirect

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	385863	Indirect
Common Stock	5000	Indirect
Common Stock	2351	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 29, 2025.

F2: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $153.0700 to $154.0500, 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 Manuel Alba-Marquez in trust for Alba 2003 Living Trust (the "Alba Trust"), of which the Reporting Person and his spouse are co-trustees. 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 $154.2300 to $155.2000, 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 $155.3300 to $156.0500, 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 $156.3900 to $157.3800, 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 $157.7700 to $158.3400, 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 $158.9100 to $159.8900, 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.

F9: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $160.0600 to $161.0400, 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.

F10: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $161.0600 to $162.0500, 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.

F11: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $162.1100 to $163.1000, 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.

F12: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $163.1100 to $164.1000, 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.

F13: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $164.1300 to $165.1200, 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.

F14: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $165.1300 to $166.1200, 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.

F15: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $166.1300 to $167.1100, 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.

F16: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $167.1300 to $168.1200, 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.

F17: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $168.1300 to $169.1200, 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.

F18: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $169.1400 to $170.1300, 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.

F19: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $170.1400 to $171.1300, 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.

F20: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $171.1400 to $172.1300, 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.

F21: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $172.1400 to $173.0700, 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.

F22: These shares are owned directly by Casa Alameda 2007, LLC, of which the Reporting Person is a manager. 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.