{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-24-161151","form_type":"8-K","ticker":"TCRX","cik":"0001783328","company_name":"TScan Therapeutics, Inc.","filed_at":"2024-06-14T23:59:59+00:00","discovered_at":"2026-05-14T18:03:20.081548+00:00","generated_at":"2026-06-01T04:22:58.281306+00:00","sec_items":["5.02","5.07","9.01"],"event_type":"leadership","sentiment":"positive","materiality_score":0.6,"calibrated_materiality_score":0.6,"confidence":"high","headline":"TScan Therapeutics appoints Garry Nicholson to board, Stephen Biggar named chair; Barberich retires","bullets":["Timothy Barberich resigned as director and Chair effective June 12, 2024; no disagreement cited.","Stephen Biggar, M.D., Ph.D., assumed Chair role; Nicholson appointed to Board effective same date.","Garry Nicholson brings 35+ years oncology experience, including former President of Pfizer Oncology.","Stockholders approved Amended 2021 Equity Plan adding 2M shares; non-employee directors granted options for 308,750 shares at $8.88.","Nicholson receives initial option for 71,250 shares, vesting over one year or next annual meeting."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-24-161151","json":"https://secwatch.observer/filing/0001193125-24-161151.json","markdown":"https://secwatch.observer/filing/0001193125-24-161151.md","text":"https://secwatch.observer/filing/0001193125-24-161151.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1783328/000119312524161151/0001193125-24-161151-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1783328/000119312524161151/d785285d8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-01T04:22:58.281306+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":"3da7351414","claim":"Stephen Biggar changed role as Chairman of the Board at TScan Therapeutics, Inc..","evidence_excerpt":"Current member of the Board, Stephen Biggar, M.D., Ph.D., assumed the role of Chairman of the Board, effective as of the Effective Date.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1783328/000119312524161151/0001193125-24-161151-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"assumed"},{"label":"Role","value":"Chairman of the Board"}],"fact_type":"executive_change"},{"claim_id":"4b58755c93","claim":"Timothy Barberich resigned as Chairman of the Board and Director at TScan Therapeutics, Inc..","evidence_excerpt":"On June 12, 2024 (the “Effective Date”), after the conclusion of the 2024 Annual Meeting of Stockholders (the “Annual Meeting”) of TScan Therapeutics, Inc. (the “Company”), Timothy Barberich, a member and Chairman of the Board of Directors (the “Board”) of the Company, tendered his resignation from the Board and Chairman position thereof, effective immediately.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1783328/000119312524161151/0001193125-24-161151-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"resigned"},{"label":"Role","value":"Chairman of the Board and Director"}],"fact_type":"executive_change"},{"claim_id":"663ffa7586","claim":"Garry Nicholson was appointed as Director at TScan Therapeutics, Inc..","evidence_excerpt":"On June 12, 2024, the Board appointed Garry Nicholson to the Board, effective as of the Effective Date.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1783328/000119312524161151/0001193125-24-161151-index.htm","confidence":0.95,"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"}