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Rein Therapeutics, Inc.

For the period ended Dec 31, 2025. Filed Mar 26, 2026.

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A company's yearly report to the SEC, with audited financial statements. It is the fullest account a company gives of its business, its finances and the risks it sees.

FY2025 · Filed Mar 26, 2026

RNTX$0.62+1.2%Stored close · as of Nov 9, 2026

Extracted filing text, with the paragraph anchors used by the comparison.

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Contents

Item 2. Properties

On August 16, 2021, Lung entered into an operating lease agreement to rent approximately 6,455 square feet of office space for its corporate headquarters in Austin, Texas, beginning on October 1, 2021. The lease expired March 31, 2024, and we did not renew the lease. Following expiration of the lease, we are operating virtually, and expect to do so for the foreseeable future. Our current address is used solely as a mailing address for the receipt of correspondence.

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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.