United States Commodity Index Funds Trust (NYSE: CPER) posts Aug data

Rhea-AI Filing Summary

United States Commodity Index Funds Trust filed a current report to furnish the regular monthly account statements for its two exchange-traded series, United States Commodity Index Fund (USCI) and United States Copper Index Fund (CPER), for the month ended August 31, 2025. These statements, presented as Statements of Income (Loss) and Statements of Changes in Net Asset Value, are provided in accordance with Rule 4.22 under the Commodity Exchange Act.

The monthly account statements are included as Exhibit 99.1 and are also available on the USCI and CPER website at www.uscfinvestments.com. The trust notes that this information is being furnished rather than filed under the Securities Exchange Act, which limits its use in certain legal contexts unless specifically incorporated into other documents.

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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): September 29, 2025

UNITED STATES COMMODITY INDEX FUNDS TRUST

(Exact name of registrant as specified in its charter)

Delaware	001-34833	27-1537655
(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 Commodity Index Fund		USCI		NYSE Arca, Inc.
Shares of United States Copper Index Fund		CPER		NYSE Arca, Inc.

Item 7.01. Regulation FD Disclosure.

On September 29, 2025, United States Commodity Index Funds Trust (the “Registrant”), and United States Commodity Index Fund (“USCI”) and United States Copper Index Fund (“CPER”), each a series of the Registrant, issued their monthly account statements for the month ended August 31, 2025, which are presented in the form of Statements of Income (Loss) and Statements of Changes in Net Asset Value, as required pursuant to Rule 4.22 under the Commodity Exchange Act. A copy of the monthly account statements is furnished as Exhibit 99.1 to this Current Report on Form 8-K and also can be found on USCI’s and CPER’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 COMMODITY INDEX FUNDS TRUST
		By:	United States Commodity Funds LLC, its sponsor
Date:	September 29, 2025	By:	/s/ Stuart P. Crumbaugh
		Name:	Stuart P. Crumbaugh
		Title:	Chief Financial Officer

FAQ

What did United States Commodity Index Funds Trust (CPER) disclose in this 8-K?

The trust furnished monthly account statements for the month ended August 31, 2025 for United States Commodity Index Fund (USCI) and United States Copper Index Fund (CPER), showing Statements of Income (Loss) and Statements of Changes in Net Asset Value.

Which funds are covered by the August 31, 2025 monthly account statements from CPER’s trust?

The monthly account statements cover United States Commodity Index Fund (USCI) and United States Copper Index Fund (CPER), each a series of United States Commodity Index Funds Trust.

Where can investors find the August 2025 monthly account statements for USCI and CPER?

The statements are included as Exhibit 99.1 to the report and can also be found on USCI’s and CPER’s website at www.uscfinvestments.com.

Are the USCI and CPER monthly account statements considered filed with the SEC?

The trust states that the information in this report, including Exhibit 99.1, is being furnished, not filed, under the Securities Exchange Act of 1934, and is not subject to Section 18 liabilities or incorporated into other filings unless specifically referenced.

Why does United States Commodity Index Funds Trust issue monthly account statements for USCI and CPER?

The trust issues monthly account statements in the form of Statements of Income (Loss) and Statements of Changes in Net Asset Value to comply with Rule 4.22 under the Commodity Exchange Act.

On what date did United States Commodity Index Funds Trust report the August 2025 statements?

The report notes that the earliest event date is September 29, 2025, when the monthly account statements for the period ended August 31, 2025 were issued.