{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-24-170690","form_type":"8-K","ticker":"SNSE","cik":"0001829802","company_name":"Sensei Biotherapeutics, Inc.","filed_at":"2024-06-27T23:59:59+00:00","discovered_at":"2026-05-14T18:03:20.493089+00:00","generated_at":"2026-06-01T01:07:35.075185+00:00","sec_items":["5.02"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.2,"calibrated_materiality_score":0.2,"confidence":"high","headline":"Director Jessie English resigns from Sensei Biotherapeutics board effective July 1, 2024","bullets":["Jessie English, PhD notified Board of resignation on June 26, 2024, effective July 1, 2024.","Resignation due to personal reasons; no disagreement with Company's operations, policies, or practices.","No replacement named; Board size reduced to current members."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-24-170690","json":"https://secwatch.observer/filing/0001193125-24-170690.json","markdown":"https://secwatch.observer/filing/0001193125-24-170690.md","text":"https://secwatch.observer/filing/0001193125-24-170690.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1829802/000119312524170690/0001193125-24-170690-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1829802/000119312524170690/d117545d8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-01T01:07:35.075185+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":"cc9c575183","claim":"Jessie English resigned as Director at Sensei Biotherapeutics, Inc..","evidence_excerpt":"On June 26, 2024, Jessie English, PhD notified the Chair of the Board of Directors (the “Board”) of Sensei Biotherapeutics, Inc. (the “Company”) of her decision to resign from the Board, effective July 1, 2024.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1829802/000119312524170690/0001193125-24-170690-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"}