US Natural Gas Fund posts December 2025 statement

United States Natural Gas Fund, LP furnished its monthly account statement for the month ended December 31, 2025.

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Form Type

8-K

Rhea-AI Filing Summary

United States Natural Gas Fund, LP furnished its monthly account statement for the month ended December 31, 2025. The report, presented as a Statement of Income (Loss) and a Statement of Changes in Net Asset Value, is provided as Exhibit 99.1 and is also available on its website.

The information is being shared under Regulation FD and is designated as furnished, not filed, which limits how it is treated under federal securities laws and how it may be incorporated into other securities law documents.

8-K Event Classification

2 items: 7.01, 9.01

2 items

Item 7.01 Regulation FD Disclosure Disclosure

Material non-public information disclosed under Regulation Fair Disclosure, often investor presentations or guidance.

Item 9.01 Financial Statements and Exhibits Exhibits

Financial statements, pro forma financial information, or exhibit attachments filed with this report.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What did United States Natural Gas Fund (UNG) disclose in this 8-K?

United States Natural Gas Fund, LP furnished its monthly account statement for the month ended December 31, 2025. The disclosure includes a Statement of Income (Loss) and a Statement of Changes in Net Asset Value, made available as Exhibit 99.1 and on its website.

Which period does UNG’s latest monthly account statement cover?

The latest monthly account statement from United States Natural Gas Fund, LP covers the month ended December 31, 2025. It summarizes monthly income or loss and changes in net asset value, as required under Commodity Exchange Act Rule 4.22 for commodity pools.

How is UNG’s monthly statement presented in this disclosure?

The monthly statement is presented as a Statement of Income (Loss) and a Statement of Changes in Net Asset Value. This format follows Commodity Exchange Act Rule 4.22 requirements for commodity pools like United States Natural Gas Fund, LP, providing standardized monthly financial reporting.

Where can investors access UNG’s December 31, 2025 account statement?

Investors can access the monthly account statement as Exhibit 99.1 to this report and on the fund’s website, www.uscfinvestments.com. This provides public, Regulation FD-compliant access to United States Natural Gas Fund, LP’s December 31, 2025 monthly financial information.

Is UNG’s December 2025 statement considered filed or furnished?

The December 2025 monthly account statement is expressly treated as furnished, not filed, under U.S. securities laws. This means it is not subject to Section 18 liability and is not automatically incorporated into other securities law documents unless specifically referenced later.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 01/29/2026 - 08:51 AM EST

UNITED STATES

SECURITIES AND EXCHANGE COMMISION

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): January 29, 2026

UNITED STATES NATURAL GAS FUND, LP

(Exact name of registrant as specified in its charter)

Delaware	001-33096	20-5576760
(State or other jurisdiction of incorporation)	(Commission File Number)	(I.R.S. Employer Identification No.)

1850 Mt. Diablo Boulevard, Suite 640

Walnut Creek, California 94596

(510) 522-9600	(Address of principal executive offices) (Zip Code)
Registrant’s telephone number,
including area code

Not Applicable

(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 (see General Instruction A.2. below):

¨	Written communication 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))

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. ¨

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

Title of each class		Trading Symbol(s)		Name of each exchange on which registered:
Shares of United States Natural Gas Fund, LP		UNG		NYSE Arca, Inc.

Item 7.01. Regulation FD Disclosure.

On January 29, 2026, United States Natural Gas Fund, LP (the “Registrant”) issued its monthly account statement for the month ended December 31, 2025, which is presented in the form of a Statement of Income (Loss) and a Statement of Changes in Net Asset Value, as required pursuant to Rule 4.22 under the Commodity Exchange Act. A copy of the monthly account statement is furnished as Exhibit 99.1 to this Current Report on Form 8-K and also can be found on the Registrant’s website at www.uscfinvestments.com. The information furnished in this Current Report on Form 8-K, including Exhibit 99.1, shall not be deemed to be “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liabilities of that section, nor shall it be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended, except as shall be expressly set forth by specific reference in any such filing.

Item 9.01. Financial Statements and Exhibits.

(d) Exhibits.

Exhibit 99.1

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.

	UNITED STATES NATURAL GAS FUND, LP

	By:	United States Commodity Funds LLC, its general partner

Date:     January 29, 2026	By:	/s/ Stuart P. Crumbaugh
	Name:	Stuart P. Crumbaugh
	Title:	Chief Financial Officer

Source: View Original Filing on SEC EDGAR