{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-21-219696","form_type":"8-K","ticker":"TCRX","cik":"0001783328","company_name":"TScan Therapeutics, Inc.","filed_at":"2021-07-20T23:59:59+00:00","discovered_at":"2026-05-14T18:04:19.646036+00:00","generated_at":"2026-06-30T04:11:04.936384+00:00","sec_items":["5.02","5.03","9.01"],"event_type":"other_material","sentiment":"neutral","materiality_score":0.6,"calibrated_materiality_score":0.6,"confidence":"high","headline":"TScan Therapeutics completes IPO; Christoph Westphal resigns from board; charter amended","bullets":["Christoph Westphal, M.D., Ph.D. resigned from board effective after IPO pricing; no disagreement with management.","Amended charter authorizes 300M voting common shares, 10M non-voting common, 10M preferred shares.","Adopted classified board with staggered three-year terms; directors removable only for cause with 66 2/3% vote.","Bylaws revised to eliminate stockholder action by written consent and special meetings."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-21-219696","json":"https://secwatch.observer/filing/0001193125-21-219696.json","markdown":"https://secwatch.observer/filing/0001193125-21-219696.md","text":"https://secwatch.observer/filing/0001193125-21-219696.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1783328/000119312521219696/0001193125-21-219696-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1783328/000119312521219696/d172723d8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-30T04:11:04.936384+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":"eff6819615","claim":"Christoph Westphal resigned as Director at TScan Therapeutics, Inc..","evidence_excerpt":"On July 15, 2021, effective immediately after the pricing of the initial public offering (the “IPO”) of TScan Therapeutics, Inc. (the “Company”) Christoph Westphal, M.D., Ph.D., resigned from his position as a member of the Company’s board of directors.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1783328/000119312521219696/0001193125-21-219696-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"}