Mereo BioPharma Group plc

For the period ended Sep 30, 2026. Filed Nov 9, 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.

Sep 30, 2026 · Filed Nov 9, 2026

MREO$0.30+4.3%Stored close · as of Nov 9, 2026

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Contents

Item 6. Exhibits

The following exhibits are either provided with this Quarterly Report on Form 10-Q or are incorporated herein by reference:

ExhibitNumber	Description of Exhibit
10.1*††	Option and License Agreement, dated August 11, 2026 between Mereo BioPharma 4 Limited and Sentynl Therapeutics, Inc.
10.2*	Affiliate Guaranty, dated August 11, 2026 between Zydus Pharmaceuticals (USA) Inc. and Mereo BioPharma 4 Limited.
31.1*	Certification of Chief Executive Officer pursuant to Rule 13a-14(a) and Rule 15d-14(a) of the Securities Exchange Act of 1934, as adopted pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.
31.2*	Certification of Chief Financial Officer pursuant to Rule 13a-14(a) and Rule 15d-14(a) of the Securities Exchange Act of 1934, as adopted pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.
32.1**	Certification of Chief Executive Officer pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.
32.2**	Certification of Chief Financial Officer pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.
101.INS	Inline 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.
101.SCH	Inline XBRL Taxonomy Extension Schema With Embedded Linkbase Documents
104	The cover page for the Company's Quarterly Report on Form 10-Q has been formatted in Inline XBRL and contained in Exhibit 101

Filed herewith.

** Furnished herewith.

†† Certain portions of this exhibit have been omitted pursuant to Item 601(b)(10) or Item 601(a)(5) of Regulation S-K because they are not material and they are the type of information that the Registrant treats as private or confidential. The Company agrees to furnish supplementally to the Commission a copy of any omissions upon request.

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