{"schema_version":"secwatch.filing_event.v1","accession":"0000099780-24-000132","form_type":"8-K","ticker":"TRN","cik":"0000099780","company_name":"TRINITY INDUSTRIES INC","filed_at":"2024-09-09T23:59:59+00:00","discovered_at":"2026-05-14T18:03:16.493938+00:00","generated_at":"2026-05-31T06:00:15.460433+00:00","sec_items":["5.03","9.01"],"event_type":"other_material","sentiment":"neutral","materiality_score":0.2,"calibrated_materiality_score":0.2,"confidence":"high","headline":"Trinity Industries amends bylaws: extends nomination notice period to 90-120 days, adds disclosure rules","bullets":["Advance notice period for stockholder nominations and business changed from 60-90 days to 90-120 days before annual meeting anniversary.","New disclosure requirements including hedging and voting power arrangements for nominating stockholders.","Stockholder nominees must complete director questionnaire, consent to be named, and confirm compliance with company policies.","Exclusive forum provisions expanded: Delaware courts for internal claims, federal courts for Securities Act claims.","Effective September 4, 2024; for 2025 annual meeting, nominations must be received Jan 20 – Feb 19, 2025."],"urls":{"canonical":"https://secwatch.observer/filing/0000099780-24-000132","json":"https://secwatch.observer/filing/0000099780-24-000132.json","markdown":"https://secwatch.observer/filing/0000099780-24-000132.md","text":"https://secwatch.observer/filing/0000099780-24-000132.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/99780/000009978024000132/0000099780-24-000132-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/99780/000009978024000132/trn-20240904.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-31T06:00:15.460433+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"}