Astera Labs, Inc.·4

Mar 4, 4:54 PM ET

Mazzara Philip 4

4 · Astera Labs, Inc. · Filed Mar 4, 2026

Insider Transaction Report

Form 4
Period: 2026-03-02
Mazzara Philip
General Counsel and Secretary
Transactions
  • Sale

    Common Stock

    [F1][F2]
    2026-03-02$113.85/sh1,200$136,616136,884 total
  • Sale

    Common Stock

    [F1][F3]
    2026-03-02$114.81/sh677$77,730136,207 total
  • Sale

    Common Stock

    [F1][F4]
    2026-03-02$115.84/sh750$86,882135,457 total
  • Sale

    Common Stock

    [F1][F5]
    2026-03-02$116.85/sh1,205$140,799134,252 total
  • Sale

    Common Stock

    [F1][F6]
    2026-03-02$117.92/sh3,200$377,343131,052 total
  • Sale

    Common Stock

    [F1][F7]
    2026-03-02$118.89/sh1,202$142,901129,850 total
  • Sale

    Common Stock

    [F1][F8]
    2026-03-02$120.23/sh1,566$188,274128,284 total
  • Sale

    Common Stock

    [F1][F9]
    2026-03-02$120.98/sh200$24,196128,084 total
Footnotes (9)
  • [F1]The sales reported in this Form 4 occurred automatically pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 29, 2025.
  • [F2]The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $113.3700 to $114.1600, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
  • [F3]The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $114.4400 to $115.1800, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
  • [F4]The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $115.4500 to $116.3700, 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 $116.4500 to $117.2100, 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 $117.4700 to $118.2600, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
  • [F7]The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $118.4900 to $119.4700, 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.
  • [F8]The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $119.7300 to $120.5700, 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 $120.9700 to $120.9900, 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.
Signature
/s/ Philip Mazzara|2026-03-04

Documents

1 file
  • 4
    wk-form4_1772661246.xmlPrimary

    FORM 4