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person · Reporting owner

ALBA MANUEL

Disclosed activity across 1 company

Tapewire entity
1854
SEC CIK
0001134727

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Reported relationships

Latest disclosed role at each company.

CompanyLast reported asReport datePublished
Astera Labs, Inc.ALAB · Entity 1853DirectorSeptember 01, 2026September 03, 2026

Disclosed balances

About these balances

Latest available filing per company, not a reconstructed current portfolio. Matching sequences show the last reported balance with all source rows expandable; grouping alone does not establish account ownership. Do not add unresolved positions together. Filings may omit unchanged positions, and amendments may correct only part of an older disclosure. Jointly reported shares are not necessarily this owner's personal holdings.

Astera Labs, Inc.

Report date September 01, 2026 · Filed September 03, 2026

Security / awardOwnership accountDisclosed shares / unitsDisclosure context
Common StockSEC Table I · non-derivativeIndirectBy Alba Trust1,124,498 Last balance in matching sequence After 2026-09-01 transaction · row 12 Source-order balances reconcile. Account continuity and personal attribution are not independently verified.
12 source rows

Row 1 · 2026-09-01 · Sale · Disposed 2,575 · Balance 1,271,923

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 22, 2026.

F2: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $276.7200 to $277.7100, 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.

Row 2 · 2026-09-01 · Sale · Disposed 20,991 · Balance 1,250,932

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 22, 2026.

F4: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $277.7200 to $278.7100, 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.

Row 3 · 2026-09-01 · Sale · Disposed 37,176 · Balance 1,213,756

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 22, 2026.

F5: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $278.7200 to $279.7100, 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.

Row 4 · 2026-09-01 · Sale · Disposed 59,379 · Balance 1,154,377

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 22, 2026.

F6: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $279.7200 to $280.7100, 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.

Row 5 · 2026-09-01 · Sale · Disposed 12,882 · Balance 1,141,495

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 22, 2026.

F7: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $280.7200 to $281.7100, 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.

Row 6 · 2026-09-01 · Sale · Disposed 5,870 · Balance 1,135,625

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 22, 2026.

F8: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $281.7200 to $282.7000, 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.

Row 7 · 2026-09-01 · Sale · Disposed 3,954 · Balance 1,131,671

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 22, 2026.

F9: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $282.7200 to $283.7000, 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.

Row 8 · 2026-09-01 · Sale · Disposed 2,245 · Balance 1,129,426

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 22, 2026.

F10: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $283.7200 to $284.7100, 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.

Row 9 · 2026-09-01 · Sale · Disposed 340 · Balance 1,129,086

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 22, 2026.

F11: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $284.7600 to $285.5900, 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.

Row 10 · 2026-09-01 · Sale · Disposed 2,677 · Balance 1,126,409

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 22, 2026.

F12: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $286.3600 to $287.3500, 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.

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.

Row 11 · 2026-09-01 · Sale · Disposed 1,019 · Balance 1,125,390

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 22, 2026.

F13: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $287.6400 to $288.4100, 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.

Row 12 · 2026-09-01 · Sale · Disposed 892 · Balance 1,124,498

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 22, 2026.

F14: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $288.9400 to $288.9900, 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.

Common StockSEC Table I · non-derivativeIndirectBy Casa Alameda 2007, LLC253,863 Last balance in matching sequence After 2026-09-01 transaction · row 24 Source-order balances reconcile. Account continuity and personal attribution are not independently verified.
12 source rows

Row 13 · 2026-09-01 · Sale · Disposed 568 · Balance 286,295

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 22, 2026.

F2: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $276.7200 to $277.7100, 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: 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.

Row 14 · 2026-09-01 · Sale · Disposed 4,618 · Balance 281,677

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 22, 2026.

F4: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $277.7200 to $278.7100, 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: 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.

Row 15 · 2026-09-01 · Sale · Disposed 8,179 · Balance 273,498

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 22, 2026.

F5: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $278.7200 to $279.7100, 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: 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.

Row 16 · 2026-09-01 · Sale · Disposed 13,070 · Balance 260,428

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 22, 2026.

F6: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $279.7200 to $280.7100, 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: 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.

Row 17 · 2026-09-01 · Sale · Disposed 2,835 · Balance 257,593

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 22, 2026.

F7: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $280.7200 to $281.7100, 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: 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.

Row 18 · 2026-09-01 · Sale · Disposed 1,288 · Balance 256,305

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 22, 2026.

F8: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $281.7200 to $282.7000, 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: 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.

Row 19 · 2026-09-01 · Sale · Disposed 868 · Balance 255,437

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 22, 2026.

F9: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $282.7200 to $283.7000, 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: 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.

Row 20 · 2026-09-01 · Sale · Disposed 491 · Balance 254,946

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 22, 2026.

F10: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $283.7200 to $284.7100, 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: 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.

Row 21 · 2026-09-01 · Sale · Disposed 74 · Balance 254,872

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 22, 2026.

F11: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $284.7600 to $285.5900, 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: 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.

Row 22 · 2026-09-01 · Sale · Disposed 588 · Balance 254,284

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 22, 2026.

F12: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $286.3600 to $287.3500, 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.

F15: 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.

Row 23 · 2026-09-01 · Sale · Disposed 225 · Balance 254,059

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 22, 2026.

F13: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $287.6400 to $288.4100, 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: 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.

Row 24 · 2026-09-01 · Sale · Disposed 196 · Balance 253,863

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 22, 2026.

F14: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $288.9400 to $288.9900, 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: 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.

Common StockSEC Table I · non-derivativeIndirectBy spouse5,000 Reported balance Holding disclosure · report date 2026-09-01 · row 25 Holding and transaction disclosures are not merged.
1 source row

Row 25 · Balance 5,000

Common StockSEC Table I · non-derivativeDirect2,351 Reported balance Holding disclosure · report date 2026-09-01 · row 26 Holding and transaction disclosures are not merged.
1 source row

Row 26 · Balance 2,351

Filing footnotes · ownership attribution and instrument terms

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 22, 2026.

F2: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $276.7200 to $277.7100, 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 $277.7200 to $278.7100, 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 $278.7200 to $279.7100, 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 $279.7200 to $280.7100, 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 $280.7200 to $281.7100, 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 $281.7200 to $282.7000, 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 $282.7200 to $283.7000, 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 $283.7200 to $284.7100, 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 $284.7600 to $285.5900, 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 $286.3600 to $287.3500, 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.

F13: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $287.6400 to $288.4100, 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 $288.9400 to $288.9900, 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: 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.

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Purchases/sales include open-market and private transactions. Plan disclosure applies to the filing; individual rows may differ. “Not disclosed” is not “unplanned.”

The cutoff filters transaction history only. Company summaries and owner relationships show the latest available disclosures. Parser corrections can improve historical records.

Transaction dateCompanyActivity / securityShares / unitsReported priceReported valueDetails
July 01, 2026 Filed Jul 7, 2026 01:32 UTC Astera Labs, Inc. ALAB · Entity 1853 SaleCommon Stock 1,519 $440.86 $669,661.78
Disclosure

SEC source: 0001134727-26-000008 · wk-form4_1783387967.xml · nonDerivative · entry 19

ALBA MANUEL · CIK 0001134727 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · By Casa Alameda 2007, LLC

Disclosed balance after: 305,472

F1 · kind: 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.

F22 · price: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $440.3600 to $441.3500, 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.

F12 · ownership.nature: 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.

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July 01, 2026 Filed Jul 7, 2026 01:32 UTC Astera Labs, Inc. ALAB · Entity 1853 SaleCommon Stock 952 $440.05 $418,930.17
Disclosure

SEC source: 0001134727-26-000008 · wk-form4_1783387967.xml · nonDerivative · entry 18

ALBA MANUEL · CIK 0001134727 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · By Casa Alameda 2007, LLC

Disclosed balance after: 306,991

F1 · kind: 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.

F21 · price: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $439.3600 to $440.3500, 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.

F12 · ownership.nature: 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.

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July 01, 2026 Filed Jul 7, 2026 01:32 UTC Astera Labs, Inc. ALAB · Entity 1853 SaleCommon Stock 650 $438.79 $285,211.62
Disclosure

SEC source: 0001134727-26-000008 · wk-form4_1783387967.xml · nonDerivative · entry 17

ALBA MANUEL · CIK 0001134727 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · By Casa Alameda 2007, LLC

Disclosed balance after: 307,943

F1 · kind: 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.

F20 · price: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $438.3600 to $439.3200, 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 · ownership.nature: 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.

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July 01, 2026 Filed Jul 7, 2026 01:32 UTC Astera Labs, Inc. ALAB · Entity 1853 SaleCommon Stock 469 $437.93 $205,390.15
Disclosure

SEC source: 0001134727-26-000008 · wk-form4_1783387967.xml · nonDerivative · entry 16

ALBA MANUEL · CIK 0001134727 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · By Casa Alameda 2007, LLC

Disclosed balance after: 308,593

F1 · kind: 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.

F19 · price: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $437.3300 to $438.3200, 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 · ownership.nature: 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.

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July 01, 2026 Filed Jul 7, 2026 01:32 UTC Astera Labs, Inc. ALAB · Entity 1853 SaleCommon Stock 804 $436.82 $351,203.44
Disclosure

SEC source: 0001134727-26-000008 · wk-form4_1783387967.xml · nonDerivative · entry 15

ALBA MANUEL · CIK 0001134727 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · By Casa Alameda 2007, LLC

Disclosed balance after: 309,062

F1 · kind: 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.

F18 · price: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $436.3300 to $437.3100, 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 · ownership.nature: 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.

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July 01, 2026 Filed Jul 7, 2026 01:32 UTC Astera Labs, Inc. ALAB · Entity 1853 SaleCommon Stock 467 $435.76 $203,498.24
Disclosure

SEC source: 0001134727-26-000008 · wk-form4_1783387967.xml · nonDerivative · entry 14

ALBA MANUEL · CIK 0001134727 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · By Casa Alameda 2007, LLC

Disclosed balance after: 309,866

F1 · kind: 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.

F17 · price: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $435.3200 to $436.3100, 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 · ownership.nature: 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.

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July 01, 2026 Filed Jul 7, 2026 01:32 UTC Astera Labs, Inc. ALAB · Entity 1853 SaleCommon Stock 501 $434.78 $217,824.88
Disclosure

SEC source: 0001134727-26-000008 · wk-form4_1783387967.xml · nonDerivative · entry 13

ALBA MANUEL · CIK 0001134727 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · By Casa Alameda 2007, LLC

Disclosed balance after: 310,333

F1 · kind: 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.

F16 · price: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $434.2800 to $435.2500, 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 · ownership.nature: 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.

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July 01, 2026 Filed Jul 7, 2026 01:32 UTC Astera Labs, Inc. ALAB · Entity 1853 SaleCommon Stock 346 $433.43 $149,966.36
Disclosure

SEC source: 0001134727-26-000008 · wk-form4_1783387967.xml · nonDerivative · entry 12

ALBA MANUEL · CIK 0001134727 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · By Casa Alameda 2007, LLC

Disclosed balance after: 310,834

F1 · kind: 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.

F15 · price: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $433.2300 to $433.5600, 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 · ownership.nature: 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.

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July 01, 2026 Filed Jul 7, 2026 01:32 UTC Astera Labs, Inc. ALAB · Entity 1853 SaleCommon Stock 767 $432.79 $331,951.62
Disclosure

SEC source: 0001134727-26-000008 · wk-form4_1783387967.xml · nonDerivative · entry 11

ALBA MANUEL · CIK 0001134727 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · By Casa Alameda 2007, LLC

Disclosed balance after: 311,180

F1 · kind: 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.

F14 · price: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $432.1800 to $433.1400, 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 · ownership.nature: 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.

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July 01, 2026 Filed Jul 7, 2026 01:32 UTC Astera Labs, Inc. ALAB · Entity 1853 SaleCommon Stock 6,630 $430.79 $2,856,143.00
Disclosure

SEC source: 0001134727-26-000008 · wk-form4_1783387967.xml · nonDerivative · entry 10

ALBA MANUEL · CIK 0001134727 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · By Casa Alameda 2007, LLC

Disclosed balance after: 311,947

F1 · kind: 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.

F13 · price: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $430.1100 to $430.9300, 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 · ownership.nature: 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.

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July 01, 2026 Filed Jul 7, 2026 01:32 UTC Astera Labs, Inc. ALAB · Entity 1853 SaleCommon Stock 1,286 $429.58 $552,437.57
Disclosure

SEC source: 0001134727-26-000008 · wk-form4_1783387967.xml · nonDerivative · entry 9

ALBA MANUEL · CIK 0001134727 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · By Casa Alameda 2007, LLC

Disclosed balance after: 318,577

F1 · kind: 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.

F11 · price: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $429.1100 to $430.0700, 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.

F12 · ownership.nature: 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.

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July 01, 2026 Filed Jul 7, 2026 01:32 UTC Astera Labs, Inc. ALAB · Entity 1853 SaleCommon Stock 1,527 $468.00 $714,628.67
Disclosure

SEC source: 0001134727-26-000008 · wk-form4_1783387967.xml · nonDerivative · entry 8

ALBA MANUEL · CIK 0001134727 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · By Alba Trust

Disclosed balance after: 1,274,498

F1 · kind: 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.

F10 · price: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $467.9100 to $468.0000, 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 · ownership.nature: 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.

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July 01, 2026 Filed Jul 7, 2026 01:32 UTC Astera Labs, Inc. ALAB · Entity 1853 SaleCommon Stock 995 $466.90 $464,561.42
Disclosure

SEC source: 0001134727-26-000008 · wk-form4_1783387967.xml · nonDerivative · entry 7

ALBA MANUEL · CIK 0001134727 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · By Alba Trust

Disclosed balance after: 1,276,025

F1 · kind: 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.

F9 · price: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $466.7000 to $467.1000, 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.

F3 · ownership.nature: 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.

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July 01, 2026 Filed Jul 7, 2026 01:32 UTC Astera Labs, Inc. ALAB · Entity 1853 SaleCommon Stock 343 $466.14 $159,885.64
Disclosure

SEC source: 0001134727-26-000008 · wk-form4_1783387967.xml · nonDerivative · entry 6

ALBA MANUEL · CIK 0001134727 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · By Alba Trust

Disclosed balance after: 1,277,020

F1 · kind: 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.

F8 · price: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $465.7000 to $466.5100, 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 · ownership.nature: 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.

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July 01, 2026 Filed Jul 7, 2026 01:32 UTC Astera Labs, Inc. ALAB · Entity 1853 SaleCommon Stock 1,394 $464.45 $647,447.06
Disclosure

SEC source: 0001134727-26-000008 · wk-form4_1783387967.xml · nonDerivative · entry 5

ALBA MANUEL · CIK 0001134727 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · By Alba Trust

Disclosed balance after: 1,277,363

F1 · kind: 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.

F7 · price: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $463.9600 to $464.7800, 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 · ownership.nature: 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.

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July 01, 2026 Filed Jul 7, 2026 01:32 UTC Astera Labs, Inc. ALAB · Entity 1853 SaleCommon Stock 2,256 $463.35 $1,045,325.50
Disclosure

SEC source: 0001134727-26-000008 · wk-form4_1783387967.xml · nonDerivative · entry 4

ALBA MANUEL · CIK 0001134727 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · By Alba Trust

Disclosed balance after: 1,278,757

F1 · kind: 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.

F6 · price: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $462.9600 to $463.9400, 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 · ownership.nature: 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.

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July 01, 2026 Filed Jul 7, 2026 01:32 UTC Astera Labs, Inc. ALAB · Entity 1853 SaleCommon Stock 2,862 $462.44 $1,323,507.29
Disclosure

SEC source: 0001134727-26-000008 · wk-form4_1783387967.xml · nonDerivative · entry 3

ALBA MANUEL · CIK 0001134727 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · By Alba Trust

Disclosed balance after: 1,281,013

F1 · kind: 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.

F5 · price: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $461.9300 to $462.8800, 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 · ownership.nature: 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.

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July 01, 2026 Filed Jul 7, 2026 01:32 UTC Astera Labs, Inc. ALAB · Entity 1853 SaleCommon Stock 2,129 $461.47 $982,469.84
Disclosure

SEC source: 0001134727-26-000008 · wk-form4_1783387967.xml · nonDerivative · entry 2

ALBA MANUEL · CIK 0001134727 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · By Alba Trust

Disclosed balance after: 1,283,875

F1 · kind: 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.

F4 · price: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $460.9300 to $461.8600, 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 · ownership.nature: 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.

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July 01, 2026 Filed Jul 7, 2026 01:32 UTC Astera Labs, Inc. ALAB · Entity 1853 SaleCommon Stock 1,520 $460.07 $699,309.59
Disclosure

SEC source: 0001134727-26-000008 · wk-form4_1783387967.xml · nonDerivative · entry 1

ALBA MANUEL · CIK 0001134727 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · By Alba Trust

Disclosed balance after: 1,286,004

F1 · kind: 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 · price: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $459.6000 to $460.4400, 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 · ownership.nature: 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.

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July 01, 2026 Filed Jul 7, 2026 01:27 UTC Astera Labs, Inc. ALAB · Entity 1853 SaleCommon Stock 3,837 $459.02 $1,761,251.30
Disclosure

SEC source: 0001134727-26-000006 · wk-form4_1783387626.xml · nonDerivative · entry 29

ALBA MANUEL · CIK 0001134727 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · By Alba Trust

Disclosed balance after: 1,287,524

F1 · kind: 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.

F31 · price: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $458.5100 to $459.4400, 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 · ownership.nature: 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.

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July 01, 2026 Filed Jul 7, 2026 01:27 UTC Astera Labs, Inc. ALAB · Entity 1853 SaleCommon Stock 4,574 $458.00 $2,094,886.51
Disclosure

SEC source: 0001134727-26-000006 · wk-form4_1783387626.xml · nonDerivative · entry 28

ALBA MANUEL · CIK 0001134727 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · By Alba Trust

Disclosed balance after: 1,291,361

F1 · kind: 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.

F30 · price: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $457.5100 to $458.5000, 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 · ownership.nature: 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.

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July 01, 2026 Filed Jul 7, 2026 01:27 UTC Astera Labs, Inc. ALAB · Entity 1853 SaleCommon Stock 3,396 $456.97 $1,551,879.97
Disclosure

SEC source: 0001134727-26-000006 · wk-form4_1783387626.xml · nonDerivative · entry 27

ALBA MANUEL · CIK 0001134727 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · By Alba Trust

Disclosed balance after: 1,295,935

F1 · kind: 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.

F29 · price: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $456.5000 to $457.4600, 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 · ownership.nature: 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.

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July 01, 2026 Filed Jul 7, 2026 01:27 UTC Astera Labs, Inc. ALAB · Entity 1853 SaleCommon Stock 2,898 $455.89 $1,321,163.13
Disclosure

SEC source: 0001134727-26-000006 · wk-form4_1783387626.xml · nonDerivative · entry 26

ALBA MANUEL · CIK 0001134727 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · By Alba Trust

Disclosed balance after: 1,299,331

F1 · kind: 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.

F28 · price: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $455.5000 to $456.4700, 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 · ownership.nature: 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.

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July 01, 2026 Filed Jul 7, 2026 01:27 UTC Astera Labs, Inc. ALAB · Entity 1853 SaleCommon Stock 3,269 $454.92 $1,487,135.77
Disclosure

SEC source: 0001134727-26-000006 · wk-form4_1783387626.xml · nonDerivative · entry 25

ALBA MANUEL · CIK 0001134727 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · By Alba Trust

Disclosed balance after: 1,302,229

F1 · kind: 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.

F27 · price: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $454.5000 to $455.4700, 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 · ownership.nature: 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.

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July 01, 2026 Filed Jul 7, 2026 01:27 UTC Astera Labs, Inc. ALAB · Entity 1853 SaleCommon Stock 1,980 $453.83 $898,578.45
Disclosure

SEC source: 0001134727-26-000006 · wk-form4_1783387626.xml · nonDerivative · entry 24

ALBA MANUEL · CIK 0001134727 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · By Alba Trust

Disclosed balance after: 1,305,498

F1 · kind: 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.

F26 · price: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $453.4900 to $454.4700, 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 · ownership.nature: 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.

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July 01, 2026 Filed Jul 7, 2026 01:27 UTC Astera Labs, Inc. ALAB · Entity 1853 SaleCommon Stock 1,204 $453.12 $545,558.17
Disclosure

SEC source: 0001134727-26-000006 · wk-form4_1783387626.xml · nonDerivative · entry 23

ALBA MANUEL · CIK 0001134727 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · By Alba Trust

Disclosed balance after: 1,307,478

F1 · kind: 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.

F25 · price: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $452.4600 to $453.4400, 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 · ownership.nature: 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.

Read SEC document
July 01, 2026 Filed Jul 7, 2026 01:27 UTC Astera Labs, Inc. ALAB · Entity 1853 SaleCommon Stock 4,418 $451.96 $1,996,748.68
Disclosure

SEC source: 0001134727-26-000006 · wk-form4_1783387626.xml · nonDerivative · entry 22

ALBA MANUEL · CIK 0001134727 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · By Alba Trust

Disclosed balance after: 1,308,682

F1 · kind: 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.

F24 · price: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $451.4600 to $452.4500, 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 · ownership.nature: 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.

Read SEC document
July 01, 2026 Filed Jul 7, 2026 01:27 UTC Astera Labs, Inc. ALAB · Entity 1853 SaleCommon Stock 3,338 $450.94 $1,505,249.40
Disclosure

SEC source: 0001134727-26-000006 · wk-form4_1783387626.xml · nonDerivative · entry 21

ALBA MANUEL · CIK 0001134727 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · By Alba Trust

Disclosed balance after: 1,313,100

F1 · kind: 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.

F23 · price: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $450.4600 to $451.4500, 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 · ownership.nature: 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.

Read SEC document
July 01, 2026 Filed Jul 7, 2026 01:27 UTC Astera Labs, Inc. ALAB · Entity 1853 SaleCommon Stock 2,586 $449.89 $1,163,411.14
Disclosure

SEC source: 0001134727-26-000006 · wk-form4_1783387626.xml · nonDerivative · entry 20

ALBA MANUEL · CIK 0001134727 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · By Alba Trust

Disclosed balance after: 1,316,438

F1 · kind: 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.

F22 · price: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $449.4200 to $450.4000, 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 · ownership.nature: 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.

Read SEC document
July 01, 2026 Filed Jul 7, 2026 01:27 UTC Astera Labs, Inc. ALAB · Entity 1853 SaleCommon Stock 6,723 $448.85 $3,017,601.07
Disclosure

SEC source: 0001134727-26-000006 · wk-form4_1783387626.xml · nonDerivative · entry 19

ALBA MANUEL · CIK 0001134727 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · By Alba Trust

Disclosed balance after: 1,319,024

F1 · kind: 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.

F21 · price: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $448.3600 to $449.3300, 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 · ownership.nature: 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.

Read SEC document
July 01, 2026 Filed Jul 7, 2026 01:27 UTC Astera Labs, Inc. ALAB · Entity 1853 SaleCommon Stock 4,013 $447.86 $1,797,267.40
Disclosure

SEC source: 0001134727-26-000006 · wk-form4_1783387626.xml · nonDerivative · entry 18

ALBA MANUEL · CIK 0001134727 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · By Alba Trust

Disclosed balance after: 1,325,747

F1 · kind: 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.

F20 · price: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $447.3600 to $448.3500, 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.

F3 · ownership.nature: 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.

Read SEC document
July 01, 2026 Filed Jul 7, 2026 01:27 UTC Astera Labs, Inc. ALAB · Entity 1853 SaleCommon Stock 4,082 $446.91 $1,824,301.72
Disclosure

SEC source: 0001134727-26-000006 · wk-form4_1783387626.xml · nonDerivative · entry 17

ALBA MANUEL · CIK 0001134727 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · By Alba Trust

Disclosed balance after: 1,329,760

F1 · kind: 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.

F19 · price: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $446.3600 to $447.3500, 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.

F3 · ownership.nature: 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.

Read SEC document
July 01, 2026 Filed Jul 7, 2026 01:27 UTC Astera Labs, Inc. ALAB · Entity 1853 SaleCommon Stock 4,310 $445.85 $1,921,620.40
Disclosure

SEC source: 0001134727-26-000006 · wk-form4_1783387626.xml · nonDerivative · entry 16

ALBA MANUEL · CIK 0001134727 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · By Alba Trust

Disclosed balance after: 1,333,842

F1 · kind: 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.

F18 · price: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $445.3600 to $446.3500, 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.

F3 · ownership.nature: 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.

Read SEC document
July 01, 2026 Filed Jul 7, 2026 01:27 UTC Astera Labs, Inc. ALAB · Entity 1853 SaleCommon Stock 6,048 $444.91 $2,690,801.77
Disclosure

SEC source: 0001134727-26-000006 · wk-form4_1783387626.xml · nonDerivative · entry 15

ALBA MANUEL · CIK 0001134727 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · By Alba Trust

Disclosed balance after: 1,338,152

F1 · kind: 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.

F17 · price: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $444.3600 to $445.3500, 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.

F3 · ownership.nature: 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.

Read SEC document
July 01, 2026 Filed Jul 7, 2026 01:27 UTC Astera Labs, Inc. ALAB · Entity 1853 SaleCommon Stock 5,437 $443.82 $2,413,074.35
Disclosure

SEC source: 0001134727-26-000006 · wk-form4_1783387626.xml · nonDerivative · entry 14

ALBA MANUEL · CIK 0001134727 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · By Alba Trust

Disclosed balance after: 1,344,200

F1 · kind: 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.

F16 · price: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $443.3600 to $444.3500, 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.

F3 · ownership.nature: 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.

Read SEC document
July 01, 2026 Filed Jul 7, 2026 01:27 UTC Astera Labs, Inc. ALAB · Entity 1853 SaleCommon Stock 4,980 $442.87 $2,205,498.08
Disclosure

SEC source: 0001134727-26-000006 · wk-form4_1783387626.xml · nonDerivative · entry 13

ALBA MANUEL · CIK 0001134727 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · By Alba Trust

Disclosed balance after: 1,349,637

F1 · kind: 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.

F15 · price: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $442.3600 to $443.3500, 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.

F3 · ownership.nature: 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.

Read SEC document
July 01, 2026 Filed Jul 7, 2026 01:27 UTC Astera Labs, Inc. ALAB · Entity 1853 SaleCommon Stock 4,468 $441.79 $1,973,938.27
Disclosure

SEC source: 0001134727-26-000006 · wk-form4_1783387626.xml · nonDerivative · entry 12

ALBA MANUEL · CIK 0001134727 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · By Alba Trust

Disclosed balance after: 1,354,617

F1 · kind: 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.

F14 · price: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $441.3600 to $442.3500, 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.

F3 · ownership.nature: 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.

Read SEC document
July 01, 2026 Filed Jul 7, 2026 01:27 UTC Astera Labs, Inc. ALAB · Entity 1853 SaleCommon Stock 6,904 $440.86 $3,043,679.49
Disclosure

SEC source: 0001134727-26-000006 · wk-form4_1783387626.xml · nonDerivative · entry 11

ALBA MANUEL · CIK 0001134727 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · By Alba Trust

Disclosed balance after: 1,359,085

F1 · kind: 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.

F13 · price: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $440.3600 to $441.3500, 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.

F3 · ownership.nature: 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.

Read SEC document
July 01, 2026 Filed Jul 7, 2026 01:27 UTC Astera Labs, Inc. ALAB · Entity 1853 SaleCommon Stock 4,332 $440.05 $1,906,308.73
Disclosure

SEC source: 0001134727-26-000006 · wk-form4_1783387626.xml · nonDerivative · entry 10

ALBA MANUEL · CIK 0001134727 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · By Alba Trust

Disclosed balance after: 1,365,989

F1 · kind: 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.

F12 · price: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $439.3600 to $440.3500, 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.

F3 · ownership.nature: 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.

Read SEC document
July 01, 2026 Filed Jul 7, 2026 01:27 UTC Astera Labs, Inc. ALAB · Entity 1853 SaleCommon Stock 2,955 $438.79 $1,296,615.29
Disclosure

SEC source: 0001134727-26-000006 · wk-form4_1783387626.xml · nonDerivative · entry 9

ALBA MANUEL · CIK 0001134727 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · By Alba Trust

Disclosed balance after: 1,370,321

F1 · kind: 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.

F11 · price: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $438.3300 to $439.3200, 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 · ownership.nature: 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.

Read SEC document
July 01, 2026 Filed Jul 7, 2026 01:27 UTC Astera Labs, Inc. ALAB · Entity 1853 SaleCommon Stock 2,129 $437.93 $932,357.87
Disclosure

SEC source: 0001134727-26-000006 · wk-form4_1783387626.xml · nonDerivative · entry 8

ALBA MANUEL · CIK 0001134727 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · By Alba Trust

Disclosed balance after: 1,373,276

F1 · kind: 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.

F10 · price: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $437.3300 to $438.3200, 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 · ownership.nature: 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.

Read SEC document
July 01, 2026 Filed Jul 7, 2026 01:27 UTC Astera Labs, Inc. ALAB · Entity 1853 SaleCommon Stock 3,655 $436.82 $1,596,579.29
Disclosure

SEC source: 0001134727-26-000006 · wk-form4_1783387626.xml · nonDerivative · entry 7

ALBA MANUEL · CIK 0001134727 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · By Alba Trust

Disclosed balance after: 1,375,405

F1 · kind: 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.

F9 · price: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $436.3300 to $437.3100, 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 · ownership.nature: 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.

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July 01, 2026 Filed Jul 7, 2026 01:27 UTC Astera Labs, Inc. ALAB · Entity 1853 SaleCommon Stock 2,122 $435.76 $924,675.08
Disclosure

SEC source: 0001134727-26-000006 · wk-form4_1783387626.xml · nonDerivative · entry 6

ALBA MANUEL · CIK 0001134727 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · By Alba Trust

Disclosed balance after: 1,379,060

F1 · kind: 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.

F8 · price: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $435.3200 to $436.3100, 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 · ownership.nature: 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.

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July 01, 2026 Filed Jul 7, 2026 01:27 UTC Astera Labs, Inc. ALAB · Entity 1853 SaleCommon Stock 2,279 $434.78 $990,869.55
Disclosure

SEC source: 0001134727-26-000006 · wk-form4_1783387626.xml · nonDerivative · entry 5

ALBA MANUEL · CIK 0001134727 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · By Alba Trust

Disclosed balance after: 1,381,182

F1 · kind: 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.

F7 · price: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $434.2800 to $435.2500, 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 · ownership.nature: 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.

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July 01, 2026 Filed Jul 7, 2026 01:27 UTC Astera Labs, Inc. ALAB · Entity 1853 SaleCommon Stock 1,574 $433.43 $682,216.30
Disclosure

SEC source: 0001134727-26-000006 · wk-form4_1783387626.xml · nonDerivative · entry 4

ALBA MANUEL · CIK 0001134727 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · By Alba Trust

Disclosed balance after: 1,383,461

F1 · kind: 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.

F6 · price: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $433.2300 to $433.5600, 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 · ownership.nature: 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.

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July 01, 2026 Filed Jul 7, 2026 01:27 UTC Astera Labs, Inc. ALAB · Entity 1853 SaleCommon Stock 3,485 $432.79 $1,508,278.73
Disclosure

SEC source: 0001134727-26-000006 · wk-form4_1783387626.xml · nonDerivative · entry 3

ALBA MANUEL · CIK 0001134727 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · By Alba Trust

Disclosed balance after: 1,385,035

F1 · kind: 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.

F5 · price: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $432.1800 to $433.1400, 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 · ownership.nature: 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.

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July 01, 2026 Filed Jul 7, 2026 01:27 UTC Astera Labs, Inc. ALAB · Entity 1853 SaleCommon Stock 30,141 $430.79 $12,984,462.49
Disclosure

SEC source: 0001134727-26-000006 · wk-form4_1783387626.xml · nonDerivative · entry 2

ALBA MANUEL · CIK 0001134727 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · By Alba Trust

Disclosed balance after: 1,388,520

F1 · kind: 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.

F4 · price: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $430.1100 to $430.9300, 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 · ownership.nature: 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.

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July 01, 2026 Filed Jul 7, 2026 01:27 UTC Astera Labs, Inc. ALAB · Entity 1853 SaleCommon Stock 5,837 $429.58 $2,507,446.79
Disclosure

SEC source: 0001134727-26-000006 · wk-form4_1783387626.xml · nonDerivative · entry 1

ALBA MANUEL · CIK 0001134727 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · By Alba Trust

Disclosed balance after: 1,418,661

F1 · kind: 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 · price: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $429.1100 to $430.0700, 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.

F3 · ownership.nature: 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.

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April 01, 2026 Filed Apr 3, 2026 22:32 UTC Astera Labs, Inc. ALAB · Entity 1853 SaleCommon Stock 33,000 $107.61 $3,551,265.30
Disclosure

SEC source: 0001134727-26-000002 · wk-form4_1775255550.xml · nonDerivative · entry 7

ALBA MANUEL · CIK 0001134727 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · By Casa Alameda 2007, LLC

Disclosed balance after: 319,863

F1 · kind: 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.

F9 · price: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $107.6124 to $107.6148, 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 · ownership.nature: 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.

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April 01, 2026 Filed Apr 3, 2026 22:32 UTC Astera Labs, Inc. ALAB · Entity 1853 SaleCommon Stock 2,587 $111.14 $287,522.28
Disclosure

SEC source: 0001134727-26-000002 · wk-form4_1775255550.xml · nonDerivative · entry 6

ALBA MANUEL · CIK 0001134727 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · By Alba Trust

Disclosed balance after: 1,424,498

F1 · kind: 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.

F8 · price: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $110.8500 to $111.2700, 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 · ownership.nature: 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.

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Value uses the disclosed total when available, otherwise shares × reported transaction price. It is not an estimate of exercise cash cost or investment performance.