SEC Form 4 · accession 0001484394-26-000011
Astera Labs, Inc. · ALAB
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
Stefan A Dyckerhoff
Director
Period of report
Sep 2, 2026
Accepted (ET)
Sep 3, 2026 · 7:07 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 StockF2,F3 | Sep 2, 2026 | S | 273 | $273.643 | D | 53,688 | D | |
| Common StockF2,F4 | Sep 2, 2026 | S | 650 | $273.643 | D | 302,416 | I | By Trust |
| Common StockF2,F5 | Sep 2, 2026 | S | 52 | $273.643 | D | 3,918 | I | By Limited Partnership (TF) |
| Common StockF6,F3 | Sep 2, 2026 | S | 2,275 | $274.789 | D | 51,413 | D | |
| Common StockF6,F4 | Sep 2, 2026 | S | 5,409 | $274.789 | D | 297,007 | I | By Trust |
| Common StockF6,F5 | Sep 2, 2026 | S | 429 | $274.789 | D | 3,489 | I | By Limited Partnership (TF) |
| Common StockF7,F3 | Sep 2, 2026 | S | 785 | $275.533 | D | 50,628 | D | |
| Common StockF7,F4 | Sep 2, 2026 | S | 1,867 | $275.533 | D | 295,140 | I | By Trust |
| Common StockF7,F5 | Sep 2, 2026 | S | 148 | $275.533 | D | 3,341 | I | By Limited Partnership (TF) |
| Common StockF8 | Sep 2, 2026 | S | 172 | $276.752 | D | 50,456 | D | |
| Common StockF8,F4 | Sep 2, 2026 | S | 407 | $276.752 | D | 294,733 | I | By Trust |
| Common StockF8,F5 | Sep 2, 2026 | S | 32 | $276.752 | D | 3,309 | I | By Limited Partnership (TF) |
| Common StockF9 | holding | — | — | — | 3,767 | I | By DIFT-2 | |
| Common StockF9 | holding | — | — | — | 3,765 | I | By DIFT-AMD | |
| Common StockF9 | holding | — | — | — | 3,765 | I | By DIFT-BAD | |
| Common StockF9 | holding | — | — | — | 3,765 | I | By DIFT-SHD | |
| Common StockF9 | holding | — | — | — | 3,765 | I | By DIFT-IND |
Table II — derivative securities
No Table II lines on this filing.
Explanation of responses
- F1Shares were sold pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on December 1, 2025.
- F2The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $273.27 to $274.04 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the 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.
- F3Includes shares to be issued in connection with the vesting of one or more restricted stock units. The Reporting Person shares pecuniary interest in these shares with other parties pursuant to contractual relationships. The Reporting Person disclaims beneficial ownership in these shares except as to the Reporting Person's pecuniary interest in these shares.
- F4Shares held by a trust of which the Reporting Person is a Trustee. The Reporting Person disclaims beneficial ownership in these shares except as to the Reporting Person's pecuniary interest therein.
- F5Shares held by a limited partnership of which the Reporting Person is a trustee of a trust which is the general partner. The Reporting Person disclaims beneficial ownership in these shares except as to the Reporting Person's pecuniary interest therein.
- F6The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $274.07 to $275.05 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the 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. These shares were sold in multiple transactions at prices ranging from $275.15 to $276.05 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the 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. These shares were sold in multiple transactions at prices ranging from $276.29 to $277.12 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the 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.
- F9Shares held by an irrevocable trust of which the Reporting Person is a Trustee. The Reporting Person disclaims beneficial ownership in these shares except as to the Reporting Person's pecuniary interest therein.