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Spyre Therapeutics, Inc.

For the period ended Sep 30, 2025. Filed Nov 4, 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 4, 2025

SYRE$103.86+7.5%Stored close · as of Nov 6, 2026

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

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Item 6. Exhibits

The exhibits filed or furnished as part of this Quarterly Report on Form 10-Q are set forth below.

ExhibitNumberDescriptionFormFile NoDate of FilingExhibitNo.FiledHerewith
2.1Agreement and Plan of Merger, dated June 22, 2023, by and among Aeglea BioTherapeutics, Inc. Aspen Merger Sub I, Inc., Sequoia Merger Sub II, LLC and Spyre Therapeutics, Inc.S-1333-27625112/22/20232.1
3.1Second Amended and Restated Certificate of Incorporation of the Company, effective as of May 14, 20248-K001-3772205/15/20243.2
3.2Amended and Restated BylawsS-1/A333-27625102/05/20243.2
3.3Certificate of Designation of Series A Non-Voting Convertible Preferred StockS-1333-27625112/22/20233.3
3.4Certificate of Designation of Series B Non-Voting Convertible Preferred StockS-1333-27625112/22/20233.4
3.5Certificate of Amendment to Certificate of Designation of Series B Non-Voting Convertible Preferred Stock8-K001-3772203/18/20243.2
31.1Certification of the Principal Executive Officer pursuant to Rule 13a-14(a) or 15d-14(a) of the Securities Exchange Act of 1934X
31.2Certification of the Principal Financial Officer pursuant to Rule 13a-14(a) or 15d-14(a) of the Securities Exchange Act of 1934X
32.1(1)Certification of the Principal Executive Officer and Principal Financial Officer pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002X
101.INSInline XBRL Instance Document – the instance document does not appear in the Interactive Data File because its XBRL tags are embedded within the Inline XBRL document.X
101.SCHInline XBRL Taxonomy Extension Schema DocumentX
101.CALInline XBRL Taxonomy Extension Calculation Linkbase DocumentX
101.DEFInline XBRL Taxonomy Extension Definition Linkbase DocumentX
101.LABInline XBRL Taxonomy Extension Label Linkbase DocumentX
101.PREInline XBRL Taxonomy Extension Presentation Linkbase DocumentX
104The cover page from this Quarterly Report formatted in Inline XBRL and contained in Exhibit 101

(1)The certifications on Exhibit 32 hereto are deemed furnished and not “filed” for purposes of Section 18 of the Exchange Act or otherwise subject to the liability of that Section. Such certifications will not be deemed incorporated by reference into any filing under the Securities Act or the Exchange Act.

ContentsView on SEC.gov

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