Sunstone Hotel Investors, Inc.

For the period ended Sep 30, 2025. Filed Nov 7, 2025.

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 7, 2025

SHO$12.52+1.4%Stored close · as of Nov 6, 2026

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Contents

Item 6. Exhibits

The following Exhibits are filed as a part of this report:


Exhibit Number	Description
3.1		Articles of Amendment and Restatement of Sunstone Hotel Investors, Inc. (incorporated by reference to Exhibit 3.1 to the registration statement on Form S-11 (File No. 333-117141) filed by the Company).

3.2		Third Amended and Restated Bylaws of Sunstone Hotel Investors, Inc. effective as of February 9, 2023 (incorporated by reference to Exhibit 3.1 to Form 8-K, filed by the Company on February 10, 2023).

3.3		Articles Supplementary Prohibiting the Company From Electing to be Subject to Section 3-803 of the Maryland General Corporation Law Absent Shareholder Approval (incorporated by reference to Exhibit 3.1 to Form 8-K, filed by the Company on April 29, 2013).

3.4		Articles Supplementary for Series G preferred stock (incorporated by reference to Exhibit 3.1 to Form 8-K, filed by the Company on April 28, 2021).

3.5		Articles Supplementary for Series H preferred stock (incorporated by reference to Exhibit 3.3 to the registration statement on Form 8-A, filed by the Company on May 20, 2021).

3.6		Articles Supplementary for Series I preferred stock (incorporated by reference to Exhibit 3.3 to the registration statement on Form 8-A, filed by the company on July 15, 2021).

3.7		Eighth Amended and Restated Limited Liability Agreement of Sunstone Hotel Partnership LLC (incorporated by reference to Exhibit 3.2 to Form 8-K, filed by the Company on July 16, 2021).

10.1		Fifth Amended and Restated Employment Agreement, dated February 18, 2025, by and among Sunstone Hotel Investors, Inc., Sunstone Hotel Partnership, LLC and Bryan A. Giglia (incorporated by reference to Exhibit 10.1 to Form 10-Q, filed by the Company on May 6, 2025). #

10.2		Amended and Restated Employment Agreement, dated February 18, 2025, by and among Sunstone Hotel Investors, Inc., Sunstone Hotel Partnership, LLC and Aaron Reyes (incorporated by reference to Exhibit 10.2 to Form 10-Q, filed by the Company on May 6, 2025). #

10.3		First Amendment to Sunstone Hotel Investors, Inc. and Sunstone Hotel Partnership, LLC 2022 Incentive Award Plan (incorporated by reference to Exhibit 10.1 to Form 8-K, filed by the Company on May 6, 2025). #

10.4		Third Amended and Restated Credit Agreement, dated September 24, 2025, by and among Sunstone Hotel Partnership, LLC, Sunstone Hotel Investors, Inc., certain lenders party thereto and Wells Fargo Bank, N.A. as administrative agent (incorporated by reference to Exhibit 10.1 to Form 8-K filed by the Company on September 26, 2025).

31.1		Certification of Principal Executive Officer Pursuant to Securities Exchange Act Rules 13a-14 and 15d-14 as Adopted Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002. *

31.2		Certification of Principal Financial Officer Pursuant to Securities Exchange Act Rules 13a-14 and 15d-14 as Adopted Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002. *

32.1		Certification of 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 2002. *

101.INS		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 Document. *

101.CAL		Inline XBRL Taxonomy Extension Calculation Linkbase Document. *

101.LAB		Inline XBRL Taxonomy Extension Label Linkbase Document. *

101.PRE		Inline XBRL Taxonomy Extension Presentation Linkbase Document. *

101.DEF		Inline XBRL Taxonomy Extension Definition Linkbase Document. *

104		Cover page from the Company’s Quarterly Report on Form 10-Q for the quarter ended September 30, 2025 formatted in Inline XBRL (included in Exhibit 101).


*		Filed herewith.
#		Management contract or compensatory plan arrangement.

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