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NMZ        0001266585    
Filing Date Form Type Description Document
2026-11-03 N-23C-2 NOTICE OF INTENTION TO REDEEM SECURITIES View Document
2026-10-28 497AD FILING BY CERTAIN INVESTMENT COMPANIES View Document
2026-10-23 424B5 PROSPECTUS SUPPLEMENT View Document
2026-10-22 497AD FORM 497AD View Document
2026-10-02 424B3 PROSPECTUS FILED PURSUANT TO RULE 424(B)(3) View Document
2026-09-25 NPORT-P View Document
2026-09-03 3 View Document
2026-09-03 3 View Document
2026-09-01 3 View Document
2026-08-17 N-PX View Document
2026-08-06 4 PRIMARY DOCUMENT View Document
2026-08-04 4 PRIMARY DOCUMENT View Document
2026-07-28 4 PRIMARY DOCUMENT View Document
2026-07-16 40-17G 40-17G View Document
2026-07-02 N-CSRS NUVEEN MUNICIPAL HIGH INCOME OPPORTUNITY FUND View Document
2026-07-02 DEF 14A NUVEEN MUNICIPAL HIGH INCOME OPPORTUNITY FUND View Document
2026-06-29 4 View Document
2026-06-24 NPORT-P View Document
2026-06-11 POS EX POST-EFFECTIVE AMENDMENT View Document
2026-05-01 N-23C-2 NOTICE OF INTENTION TO REDEEM SECURITIES View Document
2026-04-29 4 4 View Document
2026-04-29 SCHEDULE 13D/A View Document
2026-04-29 SCHEDULE 13D/A View Document
2026-04-24 424B3 PROSPECTUS View Document
2026-03-25 NPORT-P View Document
2026-03-19 425 FORM 425 View Document
2026-03-19 425 FORM 425 View Document
2026-03-09 425 FILING UNDER SECURITIES ACT RULE 425 View Document
2026-03-09 425 FILING UNDER SECURITIES ACT RULE 425 View Document
2026-03-09 425 FILING UNDER SECURITIES ACT RULE 425 View Document
2026-03-09 425 FILING UNDER SECURITIES ACT RULE 425 View Document
2026-03-06 4 View Document
2026-02-27 425 FILING UNDER RULE 425 View Document
2026-02-26 425 FILING UNDER SECURITIES ACT RULE 425 OF CERTAIN PROSPECTUSES AND COMMUNICATIONS View Document
2026-02-23 3 View Document
2026-02-04 425 FILING UNDER SECURITIES ACT RULE 425 View Document
2026-02-04 425 FILING UNDER SECURITIES ACT RULE 425 View Document
2026-02-04 425 FILING UNDER SECURITIES ACT RULE 425 View Document
2026-02-02 425 FILING UNDER SECURITIES ACT RULE 425 View Document
2026-02-02 425 FILING UNDER SECURITIES ACT RULE 425 View Document
2026-02-02 425 FILING UNDER SECURITIES ACT RULE 425 View Document
2026-01-23 425 FILING UNDER RULE 425 View Document
2026-01-23 425 FILING UNDER RULE 425 View Document
2026-01-23 425 FILING UNDER RULE 425 View Document
2026-01-16 425 FILING UNDER SECURITIES ACT RULE 425 View Document
2026-01-16 425 FILING UNDER SECURITIES ACT RULE 425 View Document
2026-01-16 425 FILING UNDER SECURITIES ACT RULE 425 View Document
2026-01-14 N-CEN View Document
2026-01-07 N-CSR NUVEEN MUNICIPAL HIGH INCOME OPPORTUNITY FUND View Document
2025-12-30 NPORT-P View Document
2025-12-29 425 FILING UNDER SECURITIES ACT RULE 425 View Document
2025-12-29 425 FILING UNDER SECURITIES ACT RULE 425 View Document
2025-12-29 425 FILING UNDER SECURITIES ACT RULE 425 View Document
2025-12-29 425 FILING UNDER SECURITIES ACT RULE 425 View Document
2025-12-22 4 PRIMARY DOCUMENT View Document
2025-12-18 424B3 PROSPECTUS View Document
2025-12-17 EFFECT View Document
2025-12-16 N-14 8C/A AMENDMENT TO FORM N-14 8C View Document
2025-12-15 SCHEDULE 13D/A View Document
2025-12-15 4 PRIMARY DOCUMENT View Document
2025-11-18 N-14 8C/A INITIAL REGISTRATION ON FORM N-14 View Document
2025-11-05 3 View Document
2025-10-31 N-23C-2 NOTICE OF INTENTION TO REDEEM SECURITIES View Document
2025-10-14 4 PRIMARY DOCUMENT View Document
2025-10-10 4 PRIMARY DOCUMENT View Document
2025-09-29 N-14 8C INITIAL REGISTRATION STATEMENT ON FORM N-14 View Document
2025-09-26 NPORT-P View Document
2025-09-19 4 PRIMARY DOCUMENT View Document
2025-08-22 N-PX View Document
2025-07-31 40-17G 40-17G View Document
2025-07-07 N-CSRS NUVEEN MUNICIPAL HIGH INCOME OPPORTUNITY FUND View Document
2025-06-30 DEF 14A NUVEEN MUNICIPAL HIGH INCOME OPPORTUNITY FUND View Document
2025-06-26 NPORT-P View Document
2025-05-09 424B3 PROSPECTUS View Document
2025-04-28 N-23C-2 NOTICE OF INTENTION TO REDEEM SECURITIES View Document
2025-03-26 NPORT-P View Document
2025-03-24 4 View Document
2025-01-17 4 PRIMARY DOCUMENT View Document
2025-01-14 N-CEN View Document
2025-01-06 N-CSR NUVEEN MUNICIPAL HIGH INCOME OPPORTUNITY FUND View Document
2024-12-26 NPORT-P View Document
2024-12-13 4 FORM 4 View Document
2024-12-13 SC 13D/A SC 13D/A View Document
2024-12-06 4 FORM 4 View Document
2024-12-03 3 View Document
2024-10-31 424B3 PROSPECTUS View Document
2024-10-28 N-23C-2 NOTIFICATION OF REPURCHASE OFFER View Document
2024-09-25 NPORT-P View Document
2024-09-10 40-17G 40-17G View Document
2024-08-29 N-PX View Document
2024-07-02 N-CSRS NUVEEN MUNICIPAL HIGH INCOME OPPORTUNITY FUND View Document
2024-06-27 DEF 14A NUVEEN MUNICIPAL HIGH INCOME OPPORTUNITY FUND View Document
2024-06-25 NPORT-P View Document
2024-05-20 424B3 PROSPECTUS View Document
2024-05-17 N-PX/A NUVEEN MUNICIPAL HIGH INCOME OPPORTUNITY FUND View Document
2024-04-04 424B2 NUVEEN MUNICIPAL HIGH INCOME OPPORTUNITY FUND View Document
2024-04-01 CORRESP View Document
2024-03-22 NPORT-P View Document
2024-03-20 N-23C-2 NUVEEN MUNICIPAL HIGH INCOME OPPORTUNITY FUND View Document
2024-03-11 3 View Document

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