United States Commodity Index Funds Trust 8-K

What Happened

• On July 29, 2026, United States Commodity Index Funds Trust (the Registrant) filed a Form 8-K (Regulation FD disclosure) to furnish monthly account statements for United States Commodity Index Fund (USCI) and United States Copper Index Fund (CPER), each a series of the Registrant.
• The furnished materials cover the month ended June 30, 2026, and are presented as Statements of Income (Loss) and Statements of Changes in Net Asset Value, furnished as Exhibit 99.1 and posted at www.uscfinvestments.com. The filing notes the furnished information is not “filed” for purposes of Section 18 of the Exchange Act and is not incorporated by reference unless expressly stated.

Key Details

• Filing date: July 29, 2026 (Form 8-K, Item 7.01 Regulation FD Disclosure).
• Funds covered: United States Commodity Index Fund (USCI) and United States Copper Index Fund (CPER).
• Period: monthly account statements for the month ended June 30, 2026 (Statements of Income (Loss) and Statements of Changes in NAV).
• Availability: Exhibit 99.1 attached to the 8-K and available on USCI/CPER website (www.uscfinvestments.com).

Why It Matters

• These monthly statements give investors timely, standardized information on income (loss) and changes in net asset value for USCI and CPER, helping holders track short‑term performance and NAV movements.
• The filing fulfills Rule 4.22 disclosure obligations under the Commodity Exchange Act, supporting transparency for commodity-based funds; it is not an earnings or revenue release and contains the routine monthly accounting information rather than new corporate actions or management changes.