{"schema_version":"secwatch.filing_event.v1","accession":"0001628280-26-064324","form_type":"8-K","ticker":"HYLN","cik":"0001759631","company_name":"Hyliion Holdings Corp.","filed_at":"2026-10-01T21:56:49+00:00","discovered_at":"2026-10-02T10:05:00.230864+00:00","generated_at":"2026-10-12T14:29:13.441223+00:00","sec_items":["5.02","9.01"],"event_type":"other_material","sentiment":"neutral","materiality_score":0.15,"calibrated_materiality_score":0.15,"confidence":"high","headline":"Hyliion board adopts nonqualified deferred comp plan; no company match, 5-year cliff vesting","bullets":["Board approved the Hyliion Nonqualified Deferred Compensation Plan on September 28, 2026, effective the same date, administered by the Compensation Committee under Section 409A.","Participants may defer up to 100% of RSU and performance share awards under the 2024 Equity Incentive Plan; non-employee directors may defer 100% of director fees and equity.","Base salary and short-term performance bonus deferrals allowed at 1%-70%; equity awards 100%-100%; no annual company matching contributions (elected 'No').","Company discretionary contributions are permissible but amount-discretionary; company amounts vest on a 5-year cliff, with acceleration on retirement, disability, death or change in control.","Initial enrollment expected December 2026; retirement means age 60 with 5 years of service; lump sum paid at least 6 months after termination; record keeper is The Nolan Financial Group."],"urls":{"canonical":"https://secwatch.observer/filing/0001628280-26-064324","json":"https://secwatch.observer/filing/0001628280-26-064324.json","markdown":"https://secwatch.observer/filing/0001628280-26-064324.md","text":"https://secwatch.observer/filing/0001628280-26-064324.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1759631/000162828026064324/0001628280-26-064324-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1759631/000162828026064324/hyln-20260928.htm"},"model":{"generated_by":"deepseek-v4.1-flash:cloud@v2","generated_at":"2026-10-12T14:29:13.441223+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"}