SEC Form 4 · accession 0001277624-26-000015
Astera Labs, Inc. · ALAB
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
Jack R Lazar
Director
Period of report
Jun 4, 2026
Accepted (ET)
Jun 8, 2026 · 8:26 pm EDT
Rule 10b5-1 plan
yes — trade under a plan
Issuer CIK
0001736297
Table I — non-derivative securities
| Security | Date | Code | Shares | Price | A/D | Owned after | D/I | Nature of ownership |
|---|---|---|---|---|---|---|---|---|
| Common StockF1,F2 | Jun 4, 2026 | A | 837 | $0.00 | A | 85,688 | D | |
| Common StockF4,F2 | Jun 4, 2026 | S | 879 | $362.8405 | D | 84,809 | D | |
| Common StockF5,F2 | Jun 4, 2026 | S | 854 | $361.1061 | D | 83,955 | D | |
| Common StockF6,F2 | Jun 4, 2026 | S | 1,116 | $360.0879 | D | 82,839 | D | |
| Common StockF7,F2 | Jun 4, 2026 | S | 877 | $359.3267 | D | 81,962 | D | |
| Common StockF8,F2 | Jun 4, 2026 | S | 883 | $358.136 | D | 81,079 | D | |
| Common StockF9,F2 | Jun 4, 2026 | S | 566 | $356.9442 | D | 80,513 | D | |
| Common StockF10,F2 | Jun 4, 2026 | S | 946 | $355.1273 | D | 79,567 | D | |
| Common StockF11,F2 | Jun 4, 2026 | S | 373 | $354.3839 | D | 79,194 | D | |
| Common StockF12,F2 | Jun 4, 2026 | S | 1,101 | $352.9665 | D | 78,093 | D | |
| Common StockF13,F2 | Jun 4, 2026 | S | 318 | $351.7187 | D | 77,775 | D | |
| Common StockF2 | Jun 4, 2026 | S | 17 | $351.13 | D | 77,758 | D | |
| Common StockF14,F2 | Jun 4, 2026 | S | 423 | $349.9557 | D | 77,335 | D | |
| Common StockF15,F2 | Jun 4, 2026 | S | 193 | $347.8389 | D | 77,142 | D | |
| Common StockF16,F2 | Jun 4, 2026 | S | 238 | $346.2717 | D | 76,904 | D | |
| Common StockF17,F2 | Jun 4, 2026 | S | 246 | $345.2366 | D | 76,658 | D | |
| Common StockF18,F2 | Jun 4, 2026 | S | 243 | $344.0294 | D | 76,415 | D | |
| Common StockF19 | Jun 4, 2026 | S | 527 | $342.5453 | D | 75,888 | D | |
| Common StockF19 | Jun 4, 2026 | S | 200 | $339.56 | D | 75,688 | D |
Table II — derivative securities
No Table II lines on this filing.
Explanation of responses
- F1These shares represent an award of restricted stock units ("RSUs") granted on June 4, 2026 (the "Grant Date") under the Astera Labs, Inc. 2024 Stock Option and Incentive Plan. Such award vests in full upon the earlier of (i) the first anniversary of the Grant Date or (ii) the date of the next annual stockholder meeting of the Company following the Grant Date, subject to the Reporting Person's continuous service relationship with the Issuer through each applicable vesting date. Each RSU represents a contingent right to receive one share of the Issuer's Common Stock.
- F10The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $354.6200 to $355.5800, 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.
- F11The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $354.0600 to $354.5500, 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.
- F12The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $352.5400 to $353.5200, 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.
- F13The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $351.5250 to $352.4850, 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.
- F14The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $349.1050 to $350.0100, 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.
- F15The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $347.7700 to $347.8600, 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.
- F16The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $346.2700 to $346.6650, 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.
- F17The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $344.6650 to $345.6250, 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.
- F18The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $343.9250 to $344.6200, 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.
- F19The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $342.5200 to $343.4600, 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.
- F2Includes deferred stock units and dividend equivalent units.
- F3The sales reported in this Form 4 occurred automatically pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on December 2, 2025.
- F4The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $362.5300 to $363.4350, 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.
- F5The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $360.8100 to $361.6600, 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.
- F6The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $359.7450 to $360.6600, 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.
- F7The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $358.8000 to $359.6400, 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.
- F8The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $357.8650 to $358.6000, 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.
- F9The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $356.6600 to $357.5750, 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.