---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-23-228607"
form_type: "8-K"
ticker: "PTEN"
cik: "0000889900"
company_name: "PATTERSON UTI ENERGY INC"
filed_at: "2023-09-05T23:59:59+00:00"
generated_at: "2026-06-11T00:18:32.690109+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.2
calibrated_materiality_score: 0.2
confidence: "medium"
source: SEC EDGAR
---

# Patterson-UTI files prospectus supplement for securities offering under existing S-3 shelf

## Summary
- Filed legal opinion from Gibson, Dunn & Crutcher in connection with prospectus supplement dated Sept 5, 2023.
- Supplement relates to registration statement on Form S-3 (File No. 333-274345).
- No offering size, terms, or use of proceeds disclosed in this filing.

## SEC filing metadata
- accession: 0001193125-23-228607
- form_type: 8-K
- ticker: PTEN
- cik: 0000889900
- company_name: PATTERSON UTI ENERGY INC
- filed_at: 2023-09-05T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.2
- calibrated_materiality_score: 0.2
- confidence: medium
- sec_items: 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/889900/000119312523228607/0001193125-23-228607-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/889900/000119312523228607/d545036d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-23-228607
- JSON: https://secwatch.observer/filing/0001193125-23-228607.json
- Plain text: https://secwatch.observer/filing/0001193125-23-228607.txt

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