GT Biopharma announces Sept. 30, 2025 quarter results via 8-K

Rhea-AI Filing Summary

GT Biopharma, Inc. filed a Form 8-K announcing it furnished a press release with financial results for its fiscal quarter ended September 30, 2025. The press release is included as Exhibit 99.1.

The company states the information under Item 2.02, including Exhibit 99.1, is furnished and not deemed filed for purposes of Section 18 of the Exchange Act, nor incorporated by reference unless specifically referenced. GT Biopharma’s common stock trades on Nasdaq under the symbol GTBP.

false 0000109657 0000109657 2025-11-14 2025-11-14 iso4217:USD xbrli:shares iso4217:USD xbrli:shares

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: November 14, 2025

(Date of earliest event reported)

GT Biopharma, Inc.

(Exact name of registrant as specified in its charter)

Delaware

(State or other Jurisdiction of Incorporation)

1-40023		94-1620407
(Commission File Number)		(IRS Employer Identification No.)

N/A¹

(Address of Principal Executive Offices and zip code)

(415) 919-4040

(Registrant’s telephone number, including area code)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of 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(b) under the Exchange Act (17 CFR 240.14a-12(b))
☐	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, $0.001 par value		GTBP		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. ☐

¹ Effective as of July 1, 2024, the Company became a fully remote company. We do not maintain a principal executive office. For purposes of compliance with applicable requirements of the Securities Act of 1933, as amended, and the Securities Exchange Act of 1934, as amended, any stockholder communication required to be sent to the Company’s principal executive offices may be directed to 505 Montgomery Street, 10th Floor, San Francisco, California 94111, or by email to auditcommittee@gtbiopharma.com.

Item 2.02 Results of Operations and Financial Condition.

On November 14, 2025, GT Biopharma, Inc. issued a press release announcing its financial results for its fiscal quarter ended September 30, 2025. A copy of the press release is furnished as Exhibit 99.1.

The information furnished under this Item 2.02, including Exhibit 99.1, is being furnished and shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or incorporated by reference in any filing under the Securities Act of 1933, as amended or the Exchange Act, except as shall be expressly set forth by specific reference in such a filing.

Item 9.01 Financial Statements and Exhibits.

(d) Exhibits.

Exhibit Number		Description
99.1		Press Release issued by GT Biopharma, Inc. on November 14, 2025
104		Cover Page Interactive Data File, formatted in Inline XBRL

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.

	GT BIOPHARMA, INC.
Date: November 14, 2025	By:	/s/ Alan Urban
		Alan Urban
		Chief Financial Officer

FAQ

What did GTBP announce in its Form 8-K?

GT Biopharma furnished a press release announcing financial results for the fiscal quarter ended September 30, 2025, included as Exhibit 99.1.

Which period does GTBP’s update cover?

The financial results relate to the fiscal quarter ended September 30, 2025.

Is the information in this 8-K considered "filed"?

No. The Item 2.02 information, including Exhibit 99.1, is furnished and not deemed filed under Section 18 of the Exchange Act.

What is the exhibit included with GTBP’s 8-K?

The press release is provided as Exhibit 99.1; the cover page Inline XBRL is Exhibit 104.

When was the press release issued?

GT Biopharma issued the press release on November 14, 2025.

What is GT Biopharma’s Nasdaq ticker?

GT Biopharma’s common stock trades on Nasdaq under the symbol GTBP.