{"schema_version":"secwatch.filing_event.v1","accession":"0001104659-22-100447","form_type":"8-K","ticker":"NSARO","cik":"0000013372","company_name":"NSTAR ELECTRIC CO","filed_at":"2022-09-15T23:59:59+00:00","discovered_at":"2026-05-14T18:03:55.459032+00:00","generated_at":"2026-06-23T09:20:56.215342+00:00","sec_items":["2.03","9.01"],"event_type":"debt","sentiment":"neutral","materiality_score":0.55,"calibrated_materiality_score":0.55,"confidence":"high","headline":"NSTAR Electric issues $400M of 4.95% Debentures due 2052","bullets":["Issued $400M aggregate principal of 4.95% Debentures due September 15, 2052.","Interest payable semi-annually on March 15 and September 15, accruing from Sept 15, 2022.","Underwriters include BofA Securities, J.P. Morgan, Morgan Stanley, and U.S. Bancorp.","Debentures issued under indenture dated Sept 1, 1988 with Bank of New York Mellon as trustee."],"urls":{"canonical":"https://secwatch.observer/filing/0001104659-22-100447","json":"https://secwatch.observer/filing/0001104659-22-100447.json","markdown":"https://secwatch.observer/filing/0001104659-22-100447.md","text":"https://secwatch.observer/filing/0001104659-22-100447.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/13372/000110465922100447/0001104659-22-100447-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/13372/000110465922100447/tm2225900d1_8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-23T09:20:56.215342+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"}