Form 4 Filing for Astera Labs, Inc.

This SEC filing details transactions made by Stefan A. Dyckerhoff, a director at Astera Labs, Inc. (ALAB). On October 1, 2026, 68 shares of common stock were acquired under an RSU award as in-lieu of cash compensation. Subsequently, on October 7, 2026, several transactions occurred: 3505 shares were sold under a Rule 10b5-1 trading plan, with an additional 8333 shares sold from a trust where Dyckerhoff is a trustee, and 661 shares sold from a limited partnership where he acts as a trustee. The filing also lists holdings in various trusts, including DIFT-2, DIFT-AMD, DIFT-BAD, DIFT-SHD, and DIFT-IND, with post-transaction share ownership details. Some transactions were made pursuant to a Rule 10b5-1 trading plan adopted on December 1, 2025. Dyckerhoff disclaims beneficial ownership except for his pecuniary interest in certain shares held indirectly.