---
schema_version: "secwatch.filing_event.v1"
accession: "0001171200-23-000184"
form_type: "8-K"
ticker: "USO"
cik: "0001327068"
company_name: "United States Oil Fund, LP"
filed_at: "2023-04-03T23:59:59+00:00"
generated_at: "2026-06-17T06:50:09.618741+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.5
calibrated_materiality_score: 0.5
confidence: "high"
source: SEC EDGAR
---

# USO GP USCF adds Crumbaugh and Rooney as Management Directors; Gerber and Ngim resign

## Summary
- Nicholas D. Gerber and Andrew F. Ngim resigned as Management Directors of USCF (GP of USO) effective April 1, 2023.
- Ngim continues as COO of USCF and portfolio manager for certain funds.
- Stuart P. Crumbaugh (CFO of USCF and parent) appointed as Management Director.
- Kathryn D. Rooney (CMO of USCF) appointed as Management Director.
- No arrangements or understandings with any other persons regarding appointments.

## SEC filing metadata
- accession: 0001171200-23-000184
- form_type: 8-K
- ticker: USO
- cik: 0001327068
- company_name: United States Oil Fund, LP
- filed_at: 2023-04-03T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.5
- calibrated_materiality_score: 0.5
- confidence: high
- sec_items: 5.02
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1327068/000117120023000184/0001171200-23-000184-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1327068/000117120023000184/i23168_uso-8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001171200-23-000184
- JSON: https://secwatch.observer/filing/0001171200-23-000184.json
- Plain text: https://secwatch.observer/filing/0001171200-23-000184.txt

## Key facts
- Executive change
  Kathryn D. Rooney was appointed as Management Director at United States Oil Fund, LP.
  - Action: appointed
  - Role: Management Director
  source text: On April 1, 2023, each of Mr. Stuart P. Crumbaugh and Ms. Kathryn D. Rooney was appointed as a Management Director of USCF, effective immediately.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1327068/000117120023000184/0001171200-23-000184-index.htm
- Executive change
  Stuart P. Crumbaugh was appointed as Management Director at United States Oil Fund, LP.
  - Action: appointed
  - Role: Management Director
  source text: On April 1, 2023, each of Mr. Stuart P. Crumbaugh and Ms. Kathryn D. Rooney was appointed as a Management Director of USCF, effective immediately.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1327068/000117120023000184/0001171200-23-000184-index.htm
- Executive change
  Nicholas D. Gerber resigned as Management Director at United States Oil Fund, LP.
  - Action: resigned
  - Role: Management Director
  source text: On April 1, 2023, each of Messrs. Nicholas D. Gerber and Andrew F Ngim tendered his resignation as a Management Director of the United States Commodity Funds LLC ("USCF"), which is the general partner of the United States Oil Fund, LP (the "Registrant").
  evidence_url: https://www.sec.gov/Archives/edgar/data/1327068/000117120023000184/0001171200-23-000184-index.htm
- Executive change
  Andrew F. Ngim resigned as Management Director at United States Oil Fund, LP.
  - Action: resigned
  - Role: Management Director
  source text: On April 1, 2023, each of Messrs. Nicholas D. Gerber and Andrew F Ngim tendered his resignation as a Management Director of the United States Commodity Funds LLC ("USCF"), which is the general partner of the United States Oil Fund, LP (the "Registrant").
  evidence_url: https://www.sec.gov/Archives/edgar/data/1327068/000117120023000184/0001171200-23-000184-index.htm

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