---
schema_version: "secwatch.filing_event.v1"
accession: "0001604028-24-000026"
form_type: "8-K"
ticker: "WMS"
cik: "0001604028"
company_name: "ADVANCED DRAINAGE SYSTEMS, INC."
filed_at: "2024-07-18T23:59:59+00:00"
generated_at: "2026-05-31T19:41:16.441904+00:00"
event_type: "leadership"
sentiment: "positive"
materiality_score: 0.3
calibrated_materiality_score: 0.3
confidence: "high"
source: SEC EDGAR
---

# Advanced Drainage Systems elects Luther C. Kissam IV to board of directors

## Summary
- Kissam elected at July 18 annual meeting; effective immediately.
- Kissam previously served as Chairman, President, and CEO of Albemarle Corp. until 2020.
- He also serves on boards of OGE Energy Corp (NYSE: OGE) and DuPont de Nemours (NYSE: DD).
- All 11 director nominees elected; say-on-pay passed with 57.7M votes for.
- Deloitte & Touche LLP ratified as independent auditor for fiscal 2025 with 62.1M for.

## SEC filing metadata
- accession: 0001604028-24-000026
- form_type: 8-K
- ticker: WMS
- cik: 0001604028
- company_name: ADVANCED DRAINAGE SYSTEMS, INC.
- filed_at: 2024-07-18T23:59:59+00:00
- event_type: leadership
- sentiment: positive
- materiality_score: 0.3
- calibrated_materiality_score: 0.3
- confidence: high
- sec_items: 5.07, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1604028/000160402824000026/0001604028-24-000026-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1604028/000160402824000026/wms-20240718.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001604028-24-000026
- JSON: https://secwatch.observer/filing/0001604028-24-000026.json
- Plain text: https://secwatch.observer/filing/0001604028-24-000026.txt

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