---
schema_version: "secwatch.filing_event.v1"
accession: "0000950170-23-042007"
form_type: "8-K"
ticker: "PTEN"
cik: "0000889900"
company_name: "PATTERSON UTI ENERGY INC"
filed_at: "2023-08-14T23:59:59+00:00"
generated_at: "2026-06-11T13:36:11.885603+00:00"
event_type: "m_and_a"
sentiment: "neutral"
materiality_score: 0.5
calibrated_materiality_score: 0.5
confidence: "medium"
source: SEC EDGAR
---

# Patterson-UTI provides merger update; proxy statement mailed for NexTier deal

## Summary
- Registration statement for merger with NexTier declared effective July 31, 2023.
- Joint proxy statement/prospectus mailed to stockholders on or about August 1, 2023.
- Investor presentation delivered at Piper Sandler conference August 14-16, 2023.

## SEC filing metadata
- accession: 0000950170-23-042007
- form_type: 8-K
- ticker: PTEN
- cik: 0000889900
- company_name: PATTERSON UTI ENERGY INC
- filed_at: 2023-08-14T23:59:59+00:00
- event_type: m_and_a
- sentiment: neutral
- materiality_score: 0.5
- calibrated_materiality_score: 0.5
- confidence: medium
- sec_items: 7.01, 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/889900/000095017023042007/0000950170-23-042007-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/889900/000095017023042007/pten-20230814.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000950170-23-042007
- JSON: https://secwatch.observer/filing/0000950170-23-042007.json
- Plain text: https://secwatch.observer/filing/0000950170-23-042007.txt

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