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Form 8-K

sec.gov

8-K — United States Natural Gas Fund, LP

Accession: 0002071876-26-000221

Filed: 2026-09-25

Period: 2026-09-25

CIK: 0001376227

SIC: 6221 ()

Item: Entry into a Material Definitive Agreement

Documents

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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): September

25, 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

(Address of principal executive offices) (Zip Code)

(510) 522-9600

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:

☐ 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 1.01     Entry into a Material Definitive Agreement.

On September 25, 2026, The Marygold Companies, Inc. (“TMC”)

publicly announced its entry into a definitive agreement with Madison Dearborn Partners (“MDP”), a leading private equity

firm based in Chicago, for TMC to become a privately held company in an all-cash transaction (the “Transaction”). TMC is the

sole shareholder of USCF Investments, Inc., which is the holding company and sole member of United States Commodity Funds LLC (“USCF”),

the general partner of United States Natural Gas Fund, LP.

The Transaction is expected to close during the first half of 2027 or earlier

upon satisfaction of customary closing conditions, including the approval of TMC stockholders, regulatory approvals, and certain change-of-control

approvals. Upon completion of the Transaction, TMC will become a privately held company and its common stock will no longer be listed

on the New York Stock Exchange. TMC and MDP have indicated that, after the close of the Transaction and at the appropriate time, MDP and

TMC’s leaders will execute on TMC’s previously announced transformation strategy to refocus USCF’s business. There is

no guarantee that the Transaction will be completed within the expected time frame, or at all.

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:

September

25, 2026

By:

/s/ John P. Love

Name:

John P. Love

Title:

President and Chief Executive Officer, and Management Director

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Sep. 25, 2026

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Entity File Number

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Entity Registrant Name

UNITED

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Entity Central Index Key

0001376227

Entity Tax Identification Number

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Entity Incorporation, State or Country Code

DE

Entity Address, Address Line One

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Entity Address, Address Line Two

Suite 640

Entity Address, City or Town

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Entity Address, State or Province

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