{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-23-127227","form_type":"8-K","ticker":"PSTV","cik":"0001095981","company_name":"PLUS THERAPEUTICS, INC.","filed_at":"2023-04-28T23:59:59+00:00","discovered_at":"2026-05-14T18:03:37.930012+00:00","generated_at":"2026-06-16T06:10:06.289322+00:00","sec_items":["3.03","5.03","5.07","8.01","9.01"],"event_type":"other_material","sentiment":"neutral","materiality_score":0.6,"calibrated_materiality_score":0.6,"confidence":"high","headline":"Plus Therapeutics announces 1-for-15 reverse stock split to regain Nasdaq compliance","bullets":["Reverse split ratio 1-for-15 effective 12:01 a.m. ET on May 1, 2023; symbol PSTV unchanged.","Outstanding shares reduced from ~37.4M to ~2.49M; new CUSIP 72941H509.","Purpose is to raise per-share price above Nasdaq's $1.00 minimum bid requirement.","No fractional shares issued; cash payment in lieu for fractional interests.","Equity awards and warrants adjusted proportionately; par value remains $0.001 per share."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-23-127227","json":"https://secwatch.observer/filing/0001193125-23-127227.json","markdown":"https://secwatch.observer/filing/0001193125-23-127227.md","text":"https://secwatch.observer/filing/0001193125-23-127227.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1095981/000119312523127227/0001193125-23-127227-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1095981/000119312523127227/d475493d8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-16T06:10:06.289322+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":"2bbefa3d45cdc9329fff58ffed1ebbbde2fe5303","claim":"PLUS THERAPEUTICS, INC.: Amendment to the Amended and Restated Certificate of Incorporation to effect a 1-for-15 reverse stock split of common stock (effective 2023-05-01).","evidence_excerpt":"On April 27, 2023, the Company filed a certificate of amendment to its Charter (the “Certificate of Amendment”) with the Secretary of State of the State of Delaware, to implement the 1-for-15 reverse split of its common stock (the “Reverse Stock Split”). The Reverse Stock Split will be effective as of 12:01 a.m. (Eastern time) on May 1, 2023, and the Company’s common stock will begin trading on The Nasdaq Capital Market on a post-split basis on May 1, 2023.","evidence_source":"SEC 8-K Item 5.03/5.05/5.06","evidence_url":"https://www.sec.gov/Archives/edgar/data/1095981/000119312523127227/0001193125-23-127227-index.htm","confidence":0.9,"family_label":"Governance Changes","details":[{"label":"Change","value":"charter amendment"},{"label":"Effective","value":"2023-05-01"}],"fact_type":"governance_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}