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ASPEN AEROGELS INC

For the period ended Jun 30, 2026. Filed Aug 7, 2026.

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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.

Jun 30, 2026 · Filed Aug 7, 2026

ASPN$5.72-6.4%Stored close · as of Nov 10, 2026

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Legal Proceedings

Item 1. Legal Proceedings.

We are involved in various legal claims and proceedings in the normal course of operations. We believe the outcome of these matters will not have a material adverse effect on our consolidated financial position, results of operations or liquidity, except as described in Part I, Item 3. “Legal Proceedings” of our Annual Report. Since the filing of our Annual Report, there have been no material changes in our legal proceedings from those disclosed therein, other than as noted below.

On May 21, 2026 and June 18, 2026, the Korean IP High Court issued decisions in our appeals of the Korean Intellectual Property Trial and Appeal Board invalidity rulings against the process and composition patents we asserted in Korea against Beerenberg Services AS, Beerenberg Korea Ltd., and Bronx (China) Co., Ltd. The Court found our asserted process patent claims valid and our asserted composition patent claims invalid. We disagree with the Court’s finding regarding our composition patents, which is subject to appeal to the Korean Supreme Court.

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