---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-25-102913"
form_type: "8-K"
ticker: "USO"
cik: "0001327068"
company_name: "United States Oil Fund, LP"
filed_at: "2025-10-28T23:59:59+00:00"
generated_at: "2026-05-17T01:53:28.396881+00:00"
event_type: "other_material"
sentiment: "negative"
materiality_score: 0.3
calibrated_materiality_score: 0.3
confidence: "high"
source: SEC EDGAR
---

# USO reports net loss of $14.6M and NAV decline for September 2025

## Summary
- Net loss of $14,636,152; total income loss of $13,971,786 for month ended Sept 30, 2025.
- NAV fell from $982.8M to $884.7M; NAV per share $73.58 on 12,023,603 shares.
- Realized and unrealized losses on futures and swaps totaled ~$17.1M; partially offset by $3.1M dividend/interest income.
- Shares added 3.1M and withdrawn 4.2M during month; monthly account statement under CFTC Rule 4.22.

## SEC filing metadata
- accession: 0001104659-25-102913
- form_type: 8-K
- ticker: USO
- cik: 0001327068
- company_name: United States Oil Fund, LP
- filed_at: 2025-10-28T23:59:59+00:00
- event_type: other_material
- sentiment: negative
- materiality_score: 0.3
- calibrated_materiality_score: 0.3
- confidence: high
- sec_items: 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1327068/000110465925102913/0001104659-25-102913-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1327068/000110465925102913/tm2528713d1_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-25-102913
- JSON: https://secwatch.observer/filing/0001104659-25-102913.json
- Plain text: https://secwatch.observer/filing/0001104659-25-102913.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.