{"schema_version":"secwatch.filing_event.v1","accession":"0001641172-25-009941","form_type":"8-K","ticker":"GTBP","cik":"0000109657","company_name":"GT Biopharma, Inc.","filed_at":"2025-05-13T23:59:59+00:00","discovered_at":"2026-05-14T18:02:47.510945+00:00","generated_at":"2026-05-21T12:42:43.175698+00:00","sec_items":["5.02"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.45,"calibrated_materiality_score":0.45,"confidence":"high","headline":"GT Biopharma appoints two new directors; two resign; board reduced to four","bullets":["Board increased from 4 to 6 on May 7; Hilary Kramer appointed as non-employee director.","Bruce Wendel resigned from Board and all committees on May 7.","Andrew Ritter appointed as non-employee director on May 8.","Rajesh Shrotriya resigned from Board and all committees on May 12.","Board reduced to 4 members; Kramer chairs Nominating Committee, Ritter chairs Compensation Committee."],"urls":{"canonical":"https://secwatch.observer/filing/0001641172-25-009941","json":"https://secwatch.observer/filing/0001641172-25-009941.json","markdown":"https://secwatch.observer/filing/0001641172-25-009941.md","text":"https://secwatch.observer/filing/0001641172-25-009941.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/109657/000164117225009941/0001641172-25-009941-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/109657/000164117225009941/form8-k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-21T12:42:43.175698+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":"563b62c2a6","claim":"Hilary Kramer was appointed as Non-Employee Director at GT Biopharma, Inc..","evidence_excerpt":"appointed Hilary Kramer as a non-employee director to fill the vacancy created by the increase in the size of the Board","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/109657/000164117225009941/0001641172-25-009941-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"appointed"},{"label":"Role","value":"Non-Employee Director"}],"fact_type":"executive_change"},{"claim_id":"7084c4a6bc","claim":"Andrew Ritter was appointed as Non-Employee Director at GT Biopharma, Inc..","evidence_excerpt":"appointed Andrew Ritter as a non-employee director to fill one of the vacancies on the Board.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/109657/000164117225009941/0001641172-25-009941-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"appointed"},{"label":"Role","value":"Non-Employee Director"}],"fact_type":"executive_change"},{"claim_id":"78d3b58098","claim":"Bruce Wendel resigned as Director at GT Biopharma, Inc..","evidence_excerpt":"Bruce Wendel resigned as a member of the Board and all committees thereof.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/109657/000164117225009941/0001641172-25-009941-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"resigned"},{"label":"Role","value":"Director"}],"fact_type":"executive_change"},{"claim_id":"bdd998e51a","claim":"Rajesh Shrotriya resigned as Director at GT Biopharma, Inc..","evidence_excerpt":"Rajesh Shrotriya resigned as a member of the Board and all committees thereof.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/109657/000164117225009941/0001641172-25-009941-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"}