---
schema_version: "secwatch.filing_event.v1"
accession: "0001423902-25-000097"
form_type: "8-K"
ticker: "WES"
cik: "0001423902"
company_name: "Western Midstream Partners, LP"
filed_at: "2025-10-15T23:59:59+00:00"
generated_at: "2026-05-17T03:43:02.269315+00:00"
event_type: "m_and_a"
sentiment: "positive"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# Western Midstream completes acquisition of Aris Water Solutions for $415M cash + 26.6M units

## Summary
- Each Aris share converted into 0.625 WES units, $25 cash (subject to proration), or 0.45 units + $7 cash.
- Final elections: 14.4M shares elected all stock, 33.8M all cash (prorated to ~$10 cash + 0.375 units), 11.0M mixed.
- Aris 7.250% Senior Notes due 2030 remain outstanding and assumed by WES OpCo.
- WES becomes one of largest three-stream midstream providers in Delaware Basin; expects to lead integrated water solutions.
- Total consideration ~28% cash, ~72% equity; $415M cash and ~26.6M WES common units issued.

## SEC filing metadata
- accession: 0001423902-25-000097
- form_type: 8-K
- ticker: WES
- cik: 0001423902
- company_name: Western Midstream Partners, LP
- filed_at: 2025-10-15T23:59:59+00:00
- event_type: m_and_a
- sentiment: positive
- materiality_score: 0.75
- calibrated_materiality_score: 0.75
- confidence: high
- sec_items: 2.01, 7.01, 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1423902/000142390225000097/0001423902-25-000097-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1423902/000142390225000097/wes-20251015.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001423902-25-000097
- JSON: https://secwatch.observer/filing/0001423902-25-000097.json
- Plain text: https://secwatch.observer/filing/0001423902-25-000097.txt

## Source-grounded claims
- claim_id: ae0c16e5661ad41505c811f6da88d2984918f183
  claim: Western Midstream Partners, LP completed an acquisition involving Aris Water Solutions, Inc. for $415.0 million in cash and approximately 26.6 million Common Units (closed 2025-10-15).
  evidence_excerpt: of 11,017,951 shares of Aris Class A Common Stock and Aris OpCo Stapled Units elected to receive the Mixed Election Consideration. As a result of these elections, approximately 26.6 million Common Units were issued and $415.0 million in cash was paid to Aris securityholders as a part of the Merger Consideration (excluding the cash consideration payable in connection
  evidence_url: https://www.sec.gov/Archives/edgar/data/1423902/000142390225000097/0001423902-25-000097-index.htm

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