SELF Furnishes Earnings Press Release for Period Ended June 30, 2025; Exhibit 99.1 Attached

Rhea-AI Filing Summary

Global Self Storage, Inc. reported financial results for the period ended June 30, 2025 and furnished its earnings press release as Exhibit 99.1 (dated August 8, 2025). The 8-K also includes a Cover Page Interactive Data file as Exhibit 104, indicating Inline XBRL tagging of the cover page.

The filing contains a Regulation FD disclosure stating that the attached press release may include forward-looking statements and that actual results may differ materially, with factors described in the company’s SEC filings. Item 9(a),(b) and (c) of the 8-K are marked not applicable, and the report is signed by President Mark C. Winmill. The registrant information lists incorporation in Maryland, principal offices in Millbrook, New York, and trading symbol SELF on The Nasdaq Stock Market LLC.

Insights

Financial Analyst

TL;DR: Routine 8-K furnishing Q2 results via Exhibit 99.1; no financial figures are presented in the 8-K itself—see the press release.

The filing notifies investors that the company has reported results for the period ended June 30, 2025 and has furnished an earnings press release as Exhibit 99.1. Because the 8-K text does not include numeric results or financial tables, material financial detail must be obtained from the attached press release. The inclusion of an Inline XBRL cover page (Exhibit 104) supports machine-readable disclosure of the cover information. The Regulation FD statement and forward-looking caution are standard; the filing does not, on its face, change the company’s stated risk profile.

Corporate Governance Expert

TL;DR: The company complied with disclosure protocols, furnished the earnings release and included forward-looking language and XBRL cover data.

This Form 8-K documents the company’s procedural disclosure steps: furnishing an earnings press release as Exhibit 99.1, providing an Inline XBRL cover page as Exhibit 104, and explicitly noting Regulation FD and forward-looking statement caveats. The filing identifies corporate details (state of incorporation, principal office, Nasdaq listing) and is executed by the President, demonstrating completion of required signature and exhibit attachments. No governance changes or executive departures are reported.

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UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): August 08, 2025

GLOBAL SELF STORAGE, INC.

(Exact name of registrant as specified in its charter)

Maryland			001-12681	13-3926714
(State or other jurisdiction of incorporation)			(Commission File Number)	(IRS Employer Identification No.)
3814 Route 44
Millbrook, New York				12545
(Address of principal executive offices)				(Zip Code)

Registrant’s telephone number, including area code: (212) 785-0900

(Former name or former address, if changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

☐Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each class		Trading Symbol(s)		Name of each exchange on which registered
Common Stock, $0.01 par value		SELF		The Nasdaq Stock Market LLC

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§ 230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§ 240.12b-2 of this chapter).

Emerging growth company ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 2.02 Results of Operations and Financial Condition.

On August 8, 2025, Global Self Storage, Inc. (the “Company”) reported its financial results for the period ended June 30, 2025. A copy of the Company’s earnings press release is furnished as Exhibit 99.1 to this Current Report on Form 8-K and is incorporated herein by reference.

Item 7.01 Regulation FD Disclosure.

The information included in Item 2.02 of this Current Report on Form 8-K (including Exhibit 99.1 hereto) shall not be deemed “filed” for the purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liabilities of that section, nor shall it be deemed incorporated by reference into any filing made by the Company under the Exchange Act or the Securities Act of 1933, as amended, except as shall be expressly set forth by specific reference in such a filing.

The Company believes that certain statements in the information attached as Exhibit 99.1 may constitute “forward-looking statements” within the meaning of the Private Securities Litigation Reform Act of 1995. These statements are made on the basis of management’s views and assumptions regarding future events and business performance as of the time the statements are made. Actual results may differ materially from those expressed or implied. Information concerning factors that could cause actual results to differ materially from those in forward-looking statements is contained from time to time in the Company’s filings with the Securities and Exchange Commission.

Item 9.01 Financial Statements and Exhibits.

(a) Not applicable.

(b) Not applicable.

(c) Not applicable.

(d) Exhibits. The following exhibits are being furnished herewith to this Current Report on Form 8-K.

Exhibit No.		Description
99.1		Global Self Storage, Inc. Earnings Press Release, dated August 8, 2025, reporting the financial results for the period ended June 30, 2025.
104		Cover Page Interactive Data File (embedded within the Inline XBRL document).

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

			GLOBAL SELF STORAGE, INC.
Date:	August 8, 2025	By:	/s/ Mark C. Winmill
			Name: Mark C. Winmill Title: President

FAQ

What did Global Self Storage (SELF) disclose in this 8-K?

The company reported financial results for the period ended June 30, 2025 and furnished its earnings press release as Exhibit 99.1 (dated August 8, 2025).

Does the 8-K contain the company's financial statements or tables?

No. Item 9(a),(b) and (c) are marked not applicable; the filing furnishes an earnings press release as Exhibit 99.1 for financial information.

Are there forward-looking statements or risk disclosures in the filing?

Yes. The filing states that Exhibit 99.1 may contain forward-looking statements and directs readers to the company’s SEC filings for factors that could cause actual results to differ materially.

What exhibits were furnished with this 8-K?

Exhibit 99.1 — Global Self Storage earnings press release dated August 8, 2025, and Exhibit 104 — Cover Page Interactive Data (Inline XBRL).

Where is Global Self Storage incorporated and how is it listed?

The registrant is incorporated in Maryland and its common stock trades under the symbol SELF on The Nasdaq Stock Market LLC.