Astera Labs, Inc.

Filing Date

May 20, 2026

Transaction Date

May 18, 2026

Accession Number

0001998179-26-000017

Form Type

4

Net Trading Amount

-$21.5M

Footnotes

1. (F1)Represents shares of the Issuer's Common Stock required to be sold by the Reporting Person to satisfy tax withholding obligations in connection with the vesting and settlement of restricted stock units previously granted to the Reporting Person. Such sales were automatic and mandated by an election of the Issuer made in advance of the vesting event to require the satisfaction of tax withholding obligations to be funded by a "sell to cover", and does not represent a discretionary trade by the Reporting Person.
2. (F2)The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $235.9400 to $235.3600, 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
3. (F3)The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $233.9800 to $233.1600, 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.
4. (F4)The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $232.9700 to $232.7700, 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.
5. (F5)The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $231.9000 to $230.9300, 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.
6. (F6)The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $230.7900 to $229.9400, 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.
7. (F7)The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $229.7900 to $228.9350, 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.
8. (F8)The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $227.0900 to $226.1800, 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.
9. (F9)The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $225.7600 to $225.0500, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
10. (F10)The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $224.5400 to $223.9000, 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.
11. (F11)The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $223.5300 to $222.6400, 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.
12. (F12)The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $222.5000 to $221.5200, 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.
13. (F13)The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $221.0300 to $220.0800, 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.
14. (F14)The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $220.0000 to $219.0300, 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.
15. (F15)The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $218.8900 to $218.0000, 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.
16. (F16)The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $217.8900 to $216.9000, 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.
17. (F17)The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $216.8900 to $216.1000, 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.
18. (F18)These shares are owned directly by an estate planning trust ("Trust 1"), of which the Reporting Person is a trustee. 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.
19. (F19)These shares are owned directly by an estate planning trust ("Trust 2"). 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.
20. (F20)These shares are owned directly by an estate planning trust ("Trust 3"). 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.