---
schema_version: "secwatch.filing_event.v1"
accession: "0000824142-25-000122"
form_type: "8-K"
ticker: "AAON"
cik: "0000824142"
company_name: "AAON, INC."
filed_at: "2025-05-01T23:59:59+00:00"
generated_at: "2026-05-23T01:32:08.272045+00:00"
event_type: "earnings"
sentiment: "neutral"
materiality_score: 0.7
calibrated_materiality_score: 0.7
confidence: "high"
source: SEC EDGAR
---

# AAON Q1 net sales up 22.9% to $322.1M; EPS falls 23.9% to $0.35; backlog record $1.0B

## Summary
- Net sales $322.1M (+22.9% YoY); BASX-branded sales surged 374.8% to $132.6M.
- GAAP EPS $0.35 vs $0.46 YoY; adjusted EPS $0.37; net income down 24.9% to $29.3M.
- Gross margin contracted to 26.8% from 35.2% due to AAON Oklahoma segment supply chain issues with R454B refrigerant components.
- Total backlog reached a record $1.0B, up 83.9% YoY, driven by data center demand for BASX air-side and liquid cooling equipment.
- AAON-branded equipment bookings rebounded strongly; backlog highest since Q1 2023, up 44.9% YoY.

## SEC filing metadata
- accession: 0000824142-25-000122
- form_type: 8-K
- ticker: AAON
- cik: 0000824142
- company_name: AAON, INC.
- filed_at: 2025-05-01T23:59:59+00:00
- event_type: earnings
- sentiment: neutral
- materiality_score: 0.7
- calibrated_materiality_score: 0.7
- confidence: high
- sec_items: 2.02, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/824142/000082414225000122/0000824142-25-000122-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/824142/000082414225000122/aaon-20250430.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000824142-25-000122
- JSON: https://secwatch.observer/filing/0000824142-25-000122.json
- Plain text: https://secwatch.observer/filing/0000824142-25-000122.txt

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