{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-25-184083","form_type":"8-K","ticker":"TCRX","cik":"0001783328","company_name":"TScan Therapeutics, Inc.","filed_at":"2025-08-20T23:59:59+00:00","discovered_at":"2026-05-14T18:02:44.977665+00:00","generated_at":"2026-05-17T11:10:35.137395+00:00","sec_items":["5.02"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.35,"calibrated_materiality_score":0.35,"confidence":"high","headline":"TScan Therapeutics appoints Leiden Dworak as Principal Accounting Officer","bullets":["Appointment effective August 14, 2025; Dworak also serves as VP Finance since April 2022.","Jason Amello ceases as Principal Accounting Officer but remains CFO and Principal Financial Officer.","Dworak previously held the same PAO role from July 2023 to January 2024.","17 years biotech finance experience including VP Finance at AVROBIO and Director at Moderna."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-25-184083","json":"https://secwatch.observer/filing/0001193125-25-184083.json","markdown":"https://secwatch.observer/filing/0001193125-25-184083.md","text":"https://secwatch.observer/filing/0001193125-25-184083.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1783328/000119312525184083/0001193125-25-184083-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1783328/000119312525184083/d55649d8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-17T11:10:35.137395+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"}