UNITED STATES

SECURITIES AND EXCHANGE ~~COMMISION~~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): March 20 27, 2026

UNITED STATES OIL FUND, LP

(Exact name of registrant as specified in its charter)

Delaware	001-32834	20-2830691
(State or other jurisdiction	(Commission File Number)	(I.R.S. Employer
of incorporation)		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 Oil Fund, LP		USO		NYSE Arca, Inc.

Item 7.01. Regulation FD Disclosure.

~~Attached as~~On ~~Exhibit~~March 27, ~~99.1~~2026, toUnited ~~this~~States ~~Current~~Oil ~~Report~~Fund, onLP ~~Form~~(the ~~8-K~~“Registrant”) issued ~~and~~its ~~incorporated~~monthly ~~herein~~account bystatement ~~reference~~for ~~are~~ the ~~audited~~month ~~Statements~~ended ofFebruary 28, ~~Financial~~2026, ~~Condition of~~which ~~United~~is ~~States~~presented ~~Commodity~~in ~~Funds~~the ~~LLC~~form of a Statement of Income (~~“USCF”~~Loss), ~~the~~and ~~general~~a ~~partner~~Statement of ~~the~~Changes ~~United~~in ~~States~~Net ~~Oil~~Asset ~~Fund~~Value, LPas (required pursuant to Rule 4.22 under the ~~“Registrant”),~~Commodity Exchange Act. A copy of the monthly account statement is furnished as ofExhibit 99.1 ~~December~~to ~~31,~~this ~~2025~~Current Report on Form 8-K and ~~2024~~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~~ 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 ~~Audited Statements of Financial Condition of USCF as of December 31, 2025 and 2024.~~

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 OIL FUND, LP~~	UNITED STATES OIL FUND, LP
		~~By:~~	~~United States Commodity Funds LLC, its general partner~~By:	United States Commodity Funds LLC, its general partner
Date:	March 2027, 2026	~~By:~~	~~/s/ Stuart P. Crumbaugh~~By:	/s/ Stuart P. Crumbaugh
		~~Name:~~	~~Stuart P. Crumbaugh~~Name:	Stuart P. Crumbaugh
		~~Title:~~	~~Chief Financial Officer~~Title:	Chief Financial Officer

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