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NUVEEN MUNICIPAL HIGH INCOME OPPORTUNITY FUND — 424B3 Filings

10 424B3 filings on record

This page lists all 424B3 filings submitted to the SEC by NUVEEN MUNICIPAL HIGH INCOME OPPORTUNITY FUND (NMZ), sorted by most recent first. Each row links to the full filing on EdgarLookup. NUVEEN MUNICIPAL HIGH INCOME OPPORTUNITY FUND has filed 10 424B3 documents with the SEC since 2003. To view all SEC filings by NUVEEN MUNICIPAL HIGH INCOME OPPORTUNITY FUND, see the full filings list.

Overview All Filings Financials Insiders
All 144 25 3 3/A 4 40-17G 424B2 424B3 424B5 425 486BPOS 497 497J 8-A12B 8-K AW AW WD CERTAMX CERTNYS CORRESP DEF 14A DEFA14A EFFECT N-14 8C N-14 8C/A N-2 N-2/A N-23C-2 N-2ASR N-2MEF N-8A N-CEN N-CEN/A N-CSR N-CSRS N-PX N-PX/A N-Q NO ACT NPORT-EX NPORT-P NSAR-A NSAR-B POS 8C POS EX PRE 14A SC 13D SC 13D/A SC 13G SC 13G/A UPLOAD
Form Description Accession Number Filed Period
424B3 PROSPECTUS 0001999371-25-020575 Dec 18, 2025
424B3 PROSPECTUS 0001999371-25-005731 May 9, 2025
424B3 PROSPECTUS 0001999371-24-014202 Oct 31, 2024
424B3 PROSPECTUS 0001999371-24-006349 May 20, 2024
424B3 NUVEEN MUNICIPAL HIGH INCOME OPPORTUNITY FUND 0001193125-23-187231 Jul 14, 2023
424B3 NUVEEN MUNICIPAL HIGH INCOME OPPORTUNITY FUND 0001193125-23-157345 May 31, 2023
424B3 NUVEEN MUNICIPAL HIGH INCOME OPPORTUNITY FUND 0001193125-23-098088 Apr 12, 2023
424B3 NUVEEN MUNICIPAL HIGH INCOME OPPORTUNITY FUND 0001193125-22-255648 Sep 30, 2022
424B3 NUVEEN MUNICIPAL HIGH INCOME OPPORTUNITY FUND 0001193125-21-319932 Nov 4, 2021
424B3 NUVEEN MUNICIPAL HIGH INCOME OPPORTUNITY FUND 0001193125-21-178023 Jun 1, 2021