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Astera Labs, Inc.

For the period ended Sep 30, 2025. Filed Nov 5, 2025.

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About this filing

A company's report for each of its first three quarters. The financial statements are not audited. It shows how the business has moved since the last annual report, and what management says changed.

Sep 30, 2025 · Filed Nov 5, 2025

ALAB$216.87+13.7%Stored close · as of Nov 9, 2026

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Item 5. Other Information

Insider Adoption or Termination of Trading Arrangements

Our directors or officers (as defined in Rule 16a-1(f) of the Exchange Act)adopted, terminated or modified the amount, pricing, timing or provisions in a “Rule 10b5-1 trading arrangement” or a “non-Rule 10b5-1 trading agreement” (each as defined in Item 408 of Regulation S-K) during the quarterly period covered by this report as described in the table below:

NameTitleActionDateCharacter of Trading Arrangement (1)Aggregate Number of Shares of Common Stock to be Purchased or Sold Pursuant to a Trading ArrangementExpiration Date (2)
Michael HurlstonDirectorTermination8/8/2025 (3)Rule 10b5-1 Trading Arrangement77,45311/21/2025

(1) Except as indicated by footnote, each trading arrangement marked as a “Rule 10b5-1 Trading Arrangement” is intended to satisfy the affirmative defense of Rule 10b5-1(c) of the Exchange Act, as amended (the “Rule”).

(2) Except as indicated by footnote, each trading arrangement permitted or permits transactions through and including the earlier to occur of (a) the completion of sales or (b) the date listed in the table. Each trading arrangement marked as a “Rule 10b5-1 Trading Arrangement” only permits transactions upon expiration of the applicable mandatory cooling-off period under the Rule and is scheduled to terminate on the earlier of the expiration date or when all shares are sold under such plan, subject to early termination for certain specified events set forth therein.

(3) Trading arrangement was originally adopted on August 28, 2024.

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The text of this filing, as the company filed it with the SEC, without its images or exhibits. This is not investment advice.