---
schema_version: "secwatch.filing_event.v1"
accession: "0001604028-25-000009"
form_type: "8-K"
ticker: "WMS"
cik: "0001604028"
company_name: "ADVANCED DRAINAGE SYSTEMS, INC."
filed_at: "2025-05-15T23:59:59+00:00"
generated_at: "2026-05-21T05:05:46.852099+00:00"
event_type: "earnings"
sentiment: "negative"
materiality_score: 0.7
calibrated_materiality_score: 0.7
confidence: "high"
source: SEC EDGAR
---

# Advanced Drainage Systems Q4 net sales down 5.8% to $615.8M; EPS $0.99 (-18.2% YoY)

## Summary
- Net sales $615.8M (-5.8% YoY); net income $76.8M (-19.6%); diluted EPS $0.99 (-18.2%).
- Adjusted EBITDA $176.7M (-7.6% YoY); full-year FY2025 Adjusted EBITDA margin 30.6%.
- Infiltrator segment sales +15.3% to $122.3M (organic down 4.5% ex-Orenco).
- Board approved 13% dividend increase to $0.72 annual; quarterly $0.18 payable June 16.
- FY2026 orders positive YoY, but end market outlook remains sluggish.

## SEC filing metadata
- accession: 0001604028-25-000009
- form_type: 8-K
- ticker: WMS
- cik: 0001604028
- company_name: ADVANCED DRAINAGE SYSTEMS, INC.
- filed_at: 2025-05-15T23:59:59+00:00
- event_type: earnings
- sentiment: negative
- materiality_score: 0.7
- calibrated_materiality_score: 0.7
- confidence: high
- sec_items: 2.02, 7.01, 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1604028/000160402825000009/0001604028-25-000009-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1604028/000160402825000009/wms-20250515.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001604028-25-000009
- JSON: https://secwatch.observer/filing/0001604028-25-000009.json
- Plain text: https://secwatch.observer/filing/0001604028-25-000009.txt

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