secwatch.observer — SEC 8-K summary
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Issuer:     ADVANCED DRAINAGE SYSTEMS, INC. (WMS)
CIK:        0001604028
Form:       8-K
Filed at:   2026-05-21T20:08:16+00:00
Accession:  0001604028-26-000020
Event type: other_material
Sentiment:  neutral
Materiality: 0.50
Item codes: 7.01, 9.01
LLM model:  deepseek-v4-flash:cloud@v2

ADS realigns segments to Stormwater and Wastewater after NDS acquisition; recasts historical data
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- Segment realignment follows NDS acquisition; new segments: Stormwater and Wastewater (formerly Infiltrator).
- Segment profitability measure changed from adjusted gross profit to Adjusted EBITDA.
- Fiscal 2026, 2025, 2024 quarterly data recast under new segments; no change to consolidated net sales, income, or EPS.
- Example recast: Q4 FY2026 Stormwater Adjusted EBITDA $140M, Wastewater $61M (both in thousands).

Source:
  EDGAR index:    https://www.sec.gov/Archives/edgar/data/1604028/000160402826000020/0001604028-26-000020-index.htm
  Primary doc:    https://www.sec.gov/Archives/edgar/data/1604028/000160402826000020/wms-20260521.htm
  HTML page:      https://secwatch.observer/filing/0001604028-26-000020

License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer