{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-23-242651","form_type":"8-K","ticker":"PTY","cik":"0001190935","company_name":"PIMCO CORPORATE & INCOME OPPORTUNITY FUND","filed_at":"2023-09-27T23:59:59+00:00","discovered_at":"2026-05-14T18:03:33.332745+00:00","generated_at":"2026-06-10T08:05:08.259360+00:00","sec_items":["8.01","9.01"],"event_type":"other_material","sentiment":"neutral","materiality_score":0.65,"calibrated_materiality_score":0.65,"confidence":"high","headline":"PIMCO Corporate & Income Opportunity Fund removes 20% illiquid investment limit effective Oct 27, 2023","bullets":["Effective October 27, 2023, the Fund's 20% of total assets limit on illiquid investments is removed.","The Fund may now invest without limit in illiquid investments, per the supplement dated September 26, 2023.","Changes update the Prospectus and SAI sections on Portfolio Contents, Illiquid Investments, and Liquidity Risk."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-23-242651","json":"https://secwatch.observer/filing/0001193125-23-242651.json","markdown":"https://secwatch.observer/filing/0001193125-23-242651.md","text":"https://secwatch.observer/filing/0001193125-23-242651.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1190935/000119312523242651/0001193125-23-242651-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1190935/000119312523242651/d505357d8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-10T08:05:08.259360+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":[],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}