{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-22-256657","form_type":"8-K","ticker":"DH","cik":"0001861795","company_name":"Definitive Healthcare Corp.","filed_at":"2022-10-03T23:59:59+00:00","discovered_at":"2026-05-14T18:03:52.821220+00:00","generated_at":"2026-06-23T06:07:22.763352+00:00","sec_items":["5.02","7.01","9.01"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.4,"calibrated_materiality_score":0.4,"confidence":"high","headline":"Definitive Healthcare appoints Sastry Chilukuri to board; Randy Winn departs","bullets":["Sastry Chilukuri, co-CEO of Medidata, joins board and audit committee effective Sept 30, 2022.","Randy Winn (22C Capital) steps down after serving since 2019; Chilukuri replaces him.","Chilukuri receives pro-rated annual retainer of $50k, initial RSU grant of 19,306 shares, and pro-rated annual RSU of 7,282 shares.","Chilukuri’s appointment aligns with expanding life sciences presence; he has 22+ years in healthcare technology."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-22-256657","json":"https://secwatch.observer/filing/0001193125-22-256657.json","markdown":"https://secwatch.observer/filing/0001193125-22-256657.md","text":"https://secwatch.observer/filing/0001193125-22-256657.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1861795/000119312522256657/0001193125-22-256657-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1861795/000119312522256657/d383931d8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-23T06:07:22.763352+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":"195c16c8c1","claim":"D. Randall Winn resigned as Director at Definitive Healthcare Corp..","evidence_excerpt":"On September 29, 2022, D. Randall Winn resigned from the Board of Directors (the “Board”) of Definitive Healthcare Corp. (the “Company”), which resignation became effective upon the appointment of Sastry Chilukuri as a member of the Board and of the audit committee of the Board (the “Audit Committee”) on September 30, 2022 (the “Effective Date”).","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1861795/000119312522256657/0001193125-22-256657-index.htm","confidence":1.0,"family_label":"Executive change","details":[{"label":"Action","value":"resigned"},{"label":"Role","value":"Director"}],"fact_type":"executive_change"},{"claim_id":"2e91e26a6e","claim":"Sastry Chilukuri was appointed as Director at Definitive Healthcare Corp..","evidence_excerpt":"the appointment of Sastry Chilukuri as a member of the Board and of the audit committee of the Board (the “Audit Committee”) on September 30, 2022 (the “Effective Date”).","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1861795/000119312522256657/0001193125-22-256657-index.htm","confidence":1.0,"family_label":"Executive change","details":[{"label":"Action","value":"appointed"},{"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"}