---
schema_version: "secwatch.filing_event.v1"
accession: "0000929008-26-000012"
form_type: "8-K"
ticker: "WCC"
cik: "0000929008"
company_name: "WESCO INTERNATIONAL INC"
filed_at: "2026-04-30T23:59:59+00:00"
generated_at: "2026-05-15T01:28:51.998746+00:00"
event_type: "earnings"
sentiment: "positive"
materiality_score: 0.85
calibrated_materiality_score: 0.85
confidence: "high"
source: SEC EDGAR
---

# Wesco reports record Q1 sales of $6.1B (+14% YOY); raises 2026 guidance

## Summary
- Organic sales grew 12.3% YOY; data center sales surged ~70% to $1.4B (24% of total).
- Adjusted diluted EPS of $3.37, up 52.5% YOY; adjusted EBITDA margin expanded 60 bps to 6.4%.
- Record backlog up 22% YOY; operating cash flow $221M vs $28M in prior year.
- Company raising full-year 2026 outlook citing exceptional start and accelerating momentum.
- SG&A leverage improved; adjusted SG&A at 15.3% of sales vs 15.5% last year.

## SEC filing metadata
- accession: 0000929008-26-000012
- form_type: 8-K
- ticker: WCC
- cik: 0000929008
- company_name: WESCO INTERNATIONAL INC
- filed_at: 2026-04-30T23:59:59+00:00
- event_type: earnings
- sentiment: positive
- materiality_score: 0.85
- calibrated_materiality_score: 0.85
- confidence: high
- sec_items: 2.02, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/929008/000092900826000012/0000929008-26-000012-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/929008/000092900826000012/wcc-20260430.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000929008-26-000012
- JSON: https://secwatch.observer/filing/0000929008-26-000012.json
- Plain text: https://secwatch.observer/filing/0000929008-26-000012.txt

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