---
schema_version: "secwatch.filing_event.v1"
accession: "0001423902-25-000063"
form_type: "8-K"
ticker: "WES"
cik: "0001423902"
company_name: "Western Midstream Partners, LP"
filed_at: "2025-08-06T23:59:59+00:00"
generated_at: "2026-05-17T19:04:39.614986+00:00"
event_type: "m_and_a"
sentiment: "neutral"
materiality_score: 0.9
calibrated_materiality_score: 0.9
confidence: "high"
source: SEC EDGAR
---

# WES to acquire Aris Water Solutions in $415M cash-plus-stock deal

## Summary
- Each Aris share elects 0.625 WES units, $25 cash (capped at $415M total), or 0.450 units + $7 cash.
- Aris stockholders expected to own ~7% of WES post-closing.
- Aris board unanimously approved; requires Aris stockholder vote, HSR, S-4 effectiveness.
- Termination fee of $57M payable by Aris under certain conditions.
- Aris and WES also amended Tax Receivable Agreement with $80M cash payment to terminate it.

## SEC filing metadata
- accession: 0001423902-25-000063
- form_type: 8-K
- ticker: WES
- cik: 0001423902
- company_name: Western Midstream Partners, LP
- filed_at: 2025-08-06T23:59:59+00:00
- event_type: m_and_a
- sentiment: neutral
- materiality_score: 0.9
- calibrated_materiality_score: 0.9
- confidence: high
- sec_items: 1.01, 2.02, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1423902/000142390225000063/0001423902-25-000063-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1423902/000142390225000063/wes-20250806.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001423902-25-000063
- JSON: https://secwatch.observer/filing/0001423902-25-000063.json
- Plain text: https://secwatch.observer/filing/0001423902-25-000063.txt

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