---
schema_version: "secwatch.filing_event.v1"
accession: "0000950170-23-043505"
form_type: "8-K"
ticker: "PTEN"
cik: "0000889900"
company_name: "PATTERSON UTI ENERGY INC"
filed_at: "2023-08-18T23:59:59+00:00"
generated_at: "2026-06-11T07:16:22.581262+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# Patterson-UTI supplements proxy with DCF ranges; merger lawsuit filed

## Summary
- Patterson-UTI voluntarily supplements proxy to address stockholder lawsuit alleging disclosure deficiencies in merger voting materials.
- Goldman Sachs DCF analysis: Patterson-UTI standalone PV $16.90-$28.77/share; NexTier $12.42-$20.91/share; combined $18.14-$30.80/share.
- Net debt used: Patterson-UTI ~$670M, NexTier ~$204M, pro forma combined ~$874M; share counts of 213.4M, 236.3M, 391M respectively.
- Special shareholder meetings remain scheduled for August 30, 2023.

## SEC filing metadata
- accession: 0000950170-23-043505
- form_type: 8-K
- ticker: PTEN
- cik: 0000889900
- company_name: PATTERSON UTI ENERGY INC
- filed_at: 2023-08-18T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.6
- calibrated_materiality_score: 0.6
- confidence: high
- sec_items: 8.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/889900/000095017023043505/0000950170-23-043505-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/889900/000095017023043505/pten-20230818.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000950170-23-043505
- JSON: https://secwatch.observer/filing/0000950170-23-043505.json
- Plain text: https://secwatch.observer/filing/0000950170-23-043505.txt

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