United States Oil Fund restates 88,454-share table

HRT Financial LP states it was not subject to Section 16 for USO securities and does not intend to make further related filings.

This filing corrects an earlier one, and you can read the original Form 3 if you want to see what changed.

Rhea-AI Filing Summary

United States Oil Fund, LP (USO) lists HRT Financial LP’s direct holding of 88,454 common shares, attributed to short sales. The table is restated as originally reported and is not updated. HRT Financial LP states it was not subject to Section 16 with respect to USO securities and does not intend to make further Section 16 filings concerning them.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider HRT FINANCIAL LP

Role Insider

Type	Security	Shares	Price	Value
holding	Common Stock F1, F2	--	--	--

Holdings After Transaction: Common Stock — 88,454 shares (Direct)

Footnotes (2)

1. F1. Resulting from short sales.
2. F2. This amendment is being filed voluntarily to clarify the Reporting Person's status under Section 16 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"). The Reporting Person has determined that it is not, and was not at any time, subject to Section 16 of the Exchange Act with respect to the Issuer's securities and, accordingly, was not required to file the original Form 3 or any subsequent Form 4. The Reporting Person does not intend to make any further filings under Section 16 of the Exchange Act with respect to the Issuer. None of the original Form 3, any subsequent Form 4, or this amendment shall be deemed an admission that the Reporting Person is or was subject to Section 16 of the Exchange Act with respect to the Issuer's securities. The information in Table I is restated as originally reported and is not updated.

Key Figures

Direct common shares: 88,454 shares

1 metrics

Direct common shares 88,454 shares HRT Financial LP; attributed to short sales; table information restated as originally reported and not updated

Key Terms

short sales, Section 16, Exchange Act

3 terms

short sales financial

"Resulting from short sales."

Short sales are trades where an investor borrows shares and sells them immediately, aiming to buy them back later at a lower price and return them to the lender; the profit is the difference if the price falls. This matters to investors because short selling can signal negative expectations about a company, add downward pressure on a stock’s price, and carries unlimited loss risk if the stock rises instead of falls—like betting a borrowed item will be cheaper to replace later.

Section 16 regulatory

"not subject to Section 16 of the Exchange Act"

Section 16 is a U.S. securities law rule that governs the trading and disclosure obligations of company insiders — typically officers, directors and large shareholders — to promote transparency and deter unfair profit-taking. It requires insiders to publicly report their stock trades and allows companies or the issuer to reclaim quick, short-term profits from certain insider trades, like a scoreboard and a refund policy that help investors see and limit possible insider advantage.

Exchange Act regulatory

"Section 16 of the Exchange Act"

A federal law that sets rules for trading securities on public exchanges, requiring companies and market participants to register, disclose regular financial information, and follow standards that promote honest, orderly markets. For investors, it matters because it creates transparency and legal protections—like stopping insider trading and ensuring timely company disclosures—so you can evaluate risks and rely on consistent rules much as players rely on a referee to keep a game fair.

FAQ

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

How many USO shares does HRT Financial LP report holding?

HRT Financial LP’s table lists 88,454 directly held USO common shares resulting from short sales. The information is restated as originally reported and is not updated.

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

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Available on EDGAR 10/20/2026 - 05:39 PM EDT Accepted by SEC EDGAR 10/20/2026 - 05:39 PM EDT Learn about SEC filing dates

SEC Form 3

FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0104
Estimated average burden
hours per response:			0.5

1. Name and Address of Reporting Person^*

HRT FINANCIAL LP

(Last) (First) (Middle)

3 WORLD TRADE CENTER, 175 GREENWICH STRE

76TH FLOOR

(Street)

NEW YORK NEW YORK 10007

(City) (State) (Zip)

UNITED STATES

(Country)

2. Date of Event Requiring Statement (Month/Day/Year)
09/10/2026

3. Issuer Name and Ticker or Trading Symbol
United States Oil Fund, LP [ USO ]

3a. Foreign Trading Symbol

5. If Amendment, Date of Original Filed (Month/Day/Year)
09/16/2026

4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
	Officer (give title below)	X	Other (specify below)
			See Remarks

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)
Common Stock	88,454(1)(2)	D

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. Resulting from short sales.

2. This amendment is being filed voluntarily to clarify the Reporting Person's status under Section 16 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"). The Reporting Person has determined that it is not, and was not at any time, subject to Section 16 of the Exchange Act with respect to the Issuer's securities and, accordingly, was not required to file the original Form 3 or any subsequent Form 4. The Reporting Person does not intend to make any further filings under Section 16 of the Exchange Act with respect to the Issuer. None of the original Form 3, any subsequent Form 4, or this amendment shall be deemed an admission that the Reporting Person is or was subject to Section 16 of the Exchange Act with respect to the Issuer's securities. The information in Table I is restated as originally reported and is not updated.

Remarks:

Not subject to Section 16 (see footnote 2)

	/s/ Adam Nunes, Chief Executive Officer, on behalf of HRT Financial LP	10/20/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 5 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 3: SEC 1473 (03-26)