{"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","discovered_at":"2026-05-14T18:03:13.732347+00:00","generated_at":"2026-05-31T19:41:16.441904+00:00","sec_items":["5.07","7.01","9.01"],"event_type":"leadership","sentiment":"positive","materiality_score":0.3,"calibrated_materiality_score":0.3,"confidence":"high","headline":"Advanced Drainage Systems elects Luther C. Kissam IV to board of directors","bullets":["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."],"urls":{"canonical":"https://secwatch.observer/filing/0001604028-24-000026","json":"https://secwatch.observer/filing/0001604028-24-000026.json","markdown":"https://secwatch.observer/filing/0001604028-24-000026.md","text":"https://secwatch.observer/filing/0001604028-24-000026.txt","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"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-31T19:41:16.441904+00:00"},"review":{"review_status":"machine_generated","human_reviewed":false,"corrected":false,"correction_note":null,"correction_timestamp":null,"superseded_by":null,"related_filings":[]},"source_grounded_claims":[],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}