Nuveen Municipal High Income Opportunity Fund

NMZ·NYSE·$10.17Share Price as of 11/2·$1BMarket Cap as of 11/2

Financials

No matching filings.

Disclosures

8-KRegulation FD Disclosure03/06/24 8-KChange in Directors or Officers10/13/23 8-KRegulation FD Disclosure02/25/22 8-KRegulation FD Disclosure10/06/20 8-KOther Events08/05/16

Prospectuses and Registrations

424B5Prospectus supplement10/23/26 424B3Prospectus10/02/26 N-CSRSProspectus / registration07/02/26 POS EXPost-effective amendment (exhibits)06/11/26 N-23C-2Prospectus / registration05/01/26

Proxies

DEF 14ADefinitive proxy07/02/26 DEF 14ADefinitive proxy06/30/25 DEF 14ADefinitive proxy06/27/24 DEF 14ADefinitive proxy06/30/23 DEF 14ADefinitive proxy06/28/22

Ownership

Form 3Initial insider ownership09/03/26 Form 3Initial insider ownership09/03/26 Form 3Initial insider ownership09/01/26 Form 4Insider transaction08/06/26 Form 4Insider transaction08/04/26

Other

497AD497AD10/28/26 497AD497AD10/22/26 NPORT-PNPORT-P09/25/26 N-PXAnnual report of proxy voting record08/17/26 NPORT-PNPORT-P06/24/26