{"schema_version":"secwatch.filing_event.v1","accession":"0000928816-23-000324","form_type":"8-K/A","ticker":"PMM","cik":"0000844790","company_name":"PUTNAM MANAGED MUNICIPAL INCOME TRUST","filed_at":"2023-03-01T23:59:59+00:00","discovered_at":"2026-05-14T18:03:48.239777+00:00","generated_at":"2026-06-18T19:31:37.158987+00:00","sec_items":["9.01"],"event_type":"other","sentiment":"neutral","materiality_score":0.05,"calibrated_materiality_score":0.05,"confidence":"high","headline":"No new material information; filing corrects hyperlink for previously reported bylaw amendment","bullets":["Amendment No. 1 to 8-K filed solely to add hyperlink for Exhibit 5.03 (Amended and Restated Bylaws).","Original 8-K on Feb 28, 2023 disclosed bylaw changes approved by Board of Trustees.","Bylaws dated Feb 23, 2023 contain standard governance provisions (meetings, officers, committees, shares).","No substantive changes to the trust's operations or financial condition."],"urls":{"canonical":"https://secwatch.observer/filing/0000928816-23-000324","json":"https://secwatch.observer/filing/0000928816-23-000324.json","markdown":"https://secwatch.observer/filing/0000928816-23-000324.md","text":"https://secwatch.observer/filing/0000928816-23-000324.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/844790/000092881623000324/0000928816-23-000324-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/844790/000092881623000324/a_mmit8ka.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-18T19:31:37.158987+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"}