United States 12 Month Natural Gas Fund (UNL) furnishes December 2025 monthly statement

Filing Impact

(Moderate)

Filing Sentiment

(Neutral)

Form Type

8-K

Rhea-AI Filing Summary

United States 12 Month Natural Gas Fund, LP furnished an update with its monthly account statement for the month ended December 31, 2025. The statement, provided as Exhibit 99.1, includes a Statement of Income (Loss) and a Statement of Changes in Net Asset Value prepared under Commodity Exchange Act Rule 4.22.

The information is furnished, not filed, under the Exchange Act, which means it is not automatically subject to certain liability provisions and is not incorporated into other securities filings unless specifically referenced. The same monthly account statement is also available on the fund’s website at www.uscfinvestments.com.

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, and exhibit attachments filed with this report.

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01/29/2026 - 08:55 AM

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 12 MONTH NATURAL GAS FUND, LP

(Exact name of registrant as specified in its charter)

Delaware

001-34535

26-0431733

(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 Registrant’s telephone number, including area code	(Address of principal executive offices) (Zip 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 12 Month Natural Gas Fund, LP		UNL		NYSE Arca, Inc.

Item 7.01. Regulation FD Disclosure.

On January 29, 2026, United States 12 Month 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 12 MONTH 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

FAQ

What did United States 12 Month Natural Gas Fund (UNL) disclose in this 8-K?

United States 12 Month Natural Gas Fund, LP furnished its monthly account statement for the month ended December 31, 2025. The disclosure provides investors with updated performance information through a Statement of Income (Loss) and a Statement of Changes in Net Asset Value.

What financial statements are included in UNL’s December 31, 2025 monthly report?

The December 31, 2025 monthly account statement for UNL includes a Statement of Income (Loss) and a Statement of Changes in Net Asset Value. These statements summarize monthly fund performance and movements in net asset value as required under Commodity Exchange Act Rule 4.22.

Is the UNL December 2025 monthly statement considered filed or furnished?

The UNL December 2025 monthly account statement is furnished, not filed, under the Securities Exchange Act. As stated, it is not automatically subject to Section 18 liabilities and is not incorporated into other securities filings unless expressly included by specific reference.

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

Investors can access UNL’s December 31, 2025 monthly account statement as Exhibit 99.1 to the Form 8-K. The same information is also available on the fund’s website at www.uscfinvestments.com for convenient online review.

Why does UNL issue a monthly account statement under Rule 4.22?

UNL issues a monthly account statement to comply with Rule 4.22 under the Commodity Exchange Act. This rule requires commodity pools to provide investors with regular performance and net asset information, helping maintain transparency about income, losses, and changes in net asset value.