---
schema_version: "secwatch.filing_event.v1"
accession: "0001604028-25-000024"
form_type: "8-K"
ticker: "WMS"
cik: "0001604028"
company_name: "ADVANCED DRAINAGE SYSTEMS, INC."
filed_at: "2025-07-17T23:59:59+00:00"
generated_at: "2026-05-18T05:57:47.591794+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.25
calibrated_materiality_score: 0.25
confidence: "high"
source: SEC EDGAR
---

# EVP Supply Chain Darin Harvey resigns; shareholders re-elect directors, approve auditor, say-on-pay

## Summary
- Darin Harvey, EVP Supply Chain, resigned effective Aug 22, 2025; not due to any dispute or disagreement.
- Shareholders re-elected all 11 director nominees; votes for ranged from 53.8M to 68.2M.
- Ratification of Deloitte & Touche as FY2026 auditor passed with 63.1M for, 7.5M against.
- Advisory say-on-pay vote approved with 60.2M for, 8.2M against, 2.1M broker non-votes.

## SEC filing metadata
- accession: 0001604028-25-000024
- form_type: 8-K
- ticker: WMS
- cik: 0001604028
- company_name: ADVANCED DRAINAGE SYSTEMS, INC.
- filed_at: 2025-07-17T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.25
- calibrated_materiality_score: 0.25
- confidence: high
- sec_items: 5.02, 5.07, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1604028/000160402825000024/0001604028-25-000024-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1604028/000160402825000024/wms-20250715.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001604028-25-000024
- JSON: https://secwatch.observer/filing/0001604028-25-000024.json
- Plain text: https://secwatch.observer/filing/0001604028-25-000024.txt

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