{"schema_version":"secwatch.filing_event.v1","accession":"0001759631-24-000016","form_type":"8-K","ticker":"HYLN","cik":"0001759631","company_name":"Hyliion Holdings Corp.","filed_at":"2024-02-13T23:59:59+00:00","discovered_at":"2026-05-14T18:03:25.427452+00:00","generated_at":"2026-06-06T03:32:49.414181+00:00","sec_items":["5.02"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.4,"calibrated_materiality_score":0.4,"confidence":"high","headline":"Hyliion directors Card and Pang resign; COO Gallagher to depart Feb 29, 2024","bullets":["Andrew Card Jr. resigns from board to join George & Barbara Bush Foundation; Stephen Pang resigns for personal reasons.","Board size reduced from ten to eight members effective February 13, 2024.","COO Dennis Gallagher departs February 29, 2024, due to Hyliion's transition away from the powertrain business.","Gallagher's departure qualifies as a 'Qualifying Termination' under the Hyliion Executive Severance Plan, triggering severance benefits.","No departures resulted from any disagreement with the Company's operations, policies, or practices."],"urls":{"canonical":"https://secwatch.observer/filing/0001759631-24-000016","json":"https://secwatch.observer/filing/0001759631-24-000016.json","markdown":"https://secwatch.observer/filing/0001759631-24-000016.md","text":"https://secwatch.observer/filing/0001759631-24-000016.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1759631/000175963124000016/0001759631-24-000016-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1759631/000175963124000016/hyln-20240213.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-06T03:32:49.414181+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":[{"claim_id":"53e9c53684","claim":"Stephen Pang resigned as Director at Hyliion Holdings Corp..","evidence_excerpt":"Effective February 13, 2024, Mr. Andrew Card, Jr. and Mr. Stephen Pang have resigned from the Board of Directors of Hyliion Holdings Corp.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1759631/000175963124000016/0001759631-24-000016-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"resigned"},{"label":"Role","value":"Director"}],"fact_type":"executive_change"},{"claim_id":"e02825cf20","claim":"Dennis Gallagher departed as Chief Operating Officer at Hyliion Holdings Corp..","evidence_excerpt":"Mr. Dennis Gallagher will depart from his role as Chief Operating Officer, effective February 29, 2024.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1759631/000175963124000016/0001759631-24-000016-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"departed"},{"label":"Role","value":"Chief Operating Officer"}],"fact_type":"executive_change"},{"claim_id":"fbe1868b93","claim":"Andrew Card, Jr. resigned as Director at Hyliion Holdings Corp..","evidence_excerpt":"Effective February 13, 2024, Mr. Andrew Card, Jr. and Mr. Stephen Pang have resigned from the Board of Directors of Hyliion Holdings Corp.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1759631/000175963124000016/0001759631-24-000016-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"resigned"},{"label":"Role","value":"Director"}],"fact_type":"executive_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}