{"schema_version":"secwatch.filing_event.v1","accession":"0001728117-23-000127","form_type":"8-K","ticker":"GOSS","cik":"0001728117","company_name":"Gossamer Bio, Inc.","filed_at":"2023-09-07T23:59:59+00:00","discovered_at":"2026-05-14T18:03:35.016438+00:00","generated_at":"2026-06-10T22:55:17.350300+00:00","sec_items":["5.02"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.35,"calibrated_materiality_score":0.35,"confidence":"high","headline":"Gossamer Bio board member Kristina Burow resigns effective September 6, 2023","bullets":["Kristina Burow resigned from the Board due to other board commitments, not due to any disagreement with the company.","Board size reduced from six to five directors; Class III directors reduced from two to one.","Resignation effective immediately on September 6, 2023."],"urls":{"canonical":"https://secwatch.observer/filing/0001728117-23-000127","json":"https://secwatch.observer/filing/0001728117-23-000127.json","markdown":"https://secwatch.observer/filing/0001728117-23-000127.md","text":"https://secwatch.observer/filing/0001728117-23-000127.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1728117/000172811723000127/0001728117-23-000127-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1728117/000172811723000127/goss-20230906.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-10T22:55:17.350300+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":"9672675f7d","claim":"Kristina Burow resigned as Director at Gossamer Bio, Inc..","evidence_excerpt":"On September 6, 2023, Kristina Burow resigned from the Board of Directors (the “Board”) of Gossamer Bio, Inc. (the \"Company\").","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1728117/000172811723000127/0001728117-23-000127-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"}