{"schema_version":"secwatch.filing_event.v1","accession":"0001759631-21-000040","form_type":"8-K","ticker":"HYLN","cik":"0001759631","company_name":"Hyliion Holdings Corp.","filed_at":"2021-08-16T23:59:59+00:00","discovered_at":"2026-05-14T18:04:19.519415+00:00","generated_at":"2026-06-29T10:07:15.047853+00:00","sec_items":["5.02"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.6,"calibrated_materiality_score":0.6,"confidence":"high","headline":"Hyliion hires Dennis M. Gallagher as COO effective Aug 16, 2021, with $500K base salary","bullets":["Dennis M. Gallagher appointed COO, effective August 16, 2021; previously President of Jacobs Vehicle Systems.","Employment agreement: three-year term, annual base salary $500,000, target annual cash bonus 75% of base.","Sign-on bonus of $100,000 (repayable if terminated for cause or leaves within one year).","Equity grants: $235,324 immediate vested stock award + $441,606 three-year vest stock award; annual time-based RSU target $700,000.","One-time performance-based RSU award with target of 250,000 shares vesting based on criteria through Dec 31, 2024."],"urls":{"canonical":"https://secwatch.observer/filing/0001759631-21-000040","json":"https://secwatch.observer/filing/0001759631-21-000040.json","markdown":"https://secwatch.observer/filing/0001759631-21-000040.md","text":"https://secwatch.observer/filing/0001759631-21-000040.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1759631/000175963121000040/0001759631-21-000040-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1759631/000175963121000040/hyln-20210810.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-29T10:07:15.047853+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":"886bd43d8e","claim":"Dennis M. Gallagher was appointed as Chief Operating Officer at Hyliion Holdings Corp..","evidence_excerpt":"On August 10, 2021, Hyliion Holdings Corp. (the “Company,” “its,” “we,” “our,” or “us”) entered into an employment agreement, effective August 16, 2021, with Dennis M. Gallagher who will serve as our Chief Operating Officer.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1759631/000175963121000040/0001759631-21-000040-index.htm","confidence":1.0,"family_label":"Executive change","details":[{"label":"Action","value":"appointed"},{"label":"Role","value":"Chief Operating Officer"}],"fact_type":"executive_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}