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Spero Therapeutics, Inc.

For the period ended Jun 30, 2025. Filed Aug 12, 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.

Jun 30, 2025 · Filed Aug 12, 2025

SPRO$1.07+3.9%Stored close · as of Nov 9, 2026

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

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Item 6. Exhibits

ExhibitNumberExhibit DescriptionFiled withthis ReportIncorporated byReference herein fromForm or ScheduleFiling DateSEC File /RegistrationNumber
3.1Amended and Restated Certificate of Incorporation of the RegistrantForm 8-K (Exhibit 3.1)11/6/2017001-38266
3.2Certificate of Amendment to the Amended and Restated Certificate of Incorporation of the RegistrantForm 8-K (Exhibit 3.1)8/18/2021001-38266
3.3Amended and Restated Bylaws of the RegistrantForm 10-Q(Exhibit 3.1)11/13/2023001-38266
10.1#2017 Stock Incentive Plan, as AmendedXForm 8-K (Exhibit 10.1)6/3/2024001-38266
10.2Separation Agreement, dated April 28, 2025, by and between the Registrant and Satyavrat ShuklaForm 10-Q(Exhibit 10.5)5/13/2025001-38266
10.3Amended and Restated Employment Agreement, dated April 28, 2025, by and between the Registrant and Esther RajaveluForm 10-Q(Exhibit 10.5)5/13/2025001-38266
31Certification of Principal Executive Officer and Principal Financial Officer pursuant to Section 302 of the Sarbanes-Oxley Act of 2002X
32*Certification pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, by Principal Executive Officer and Principal Financial OfficerX
101.INSXBRL Instance Document - the instance document does not appear in the Interactive Data File because its XBRL tags are embedded within the Inline XBRL documentX
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
104Cover Page Interactive Data File (embedded within the Inline XBRL document)X
  • The certification attached as Exhibit 32 that accompanies this Quarterly Report on Form 10-Q is not deemed filed with the Securities and Exchange Commission and is not to be incorporated by reference into any filing of Spero Therapeutics, Inc. under the Securities Act of 1933, as amended, or the Securities Exchange Act of 1934, as amended, whether made before or after the date of this Form 10-Q, irrespective of any general incorporation language contained in such filing.
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.