RiverNorth Managed Duration Municipal Income Fund, Inc.

Symbol
RMM on NYSE
Entity
Company
Business address
360 S. Rosemary Ave, Suite 1420, 33401 West Palm Beach, FL
Phone
312-445-2251
State of incorporation
MD
Fiscal year end
January 20
Former names
RiverNorth Opportunistic Municipal Income Fund II (to 3/20/2019)
All SEC filings
View on sec.gov
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RiverNorth Managed Duration Municipal Income Fund, Inc. has filed 155 SEC EDGAR filings since 3/20/2019

Latest Filings

Form type Document Filing Description Filing date Reporting date File number(s)
NPORT-P Open Document Open Filing Nov 26, 2025 Sep 30, 2025 811-23434
3 Open Document Open Filing Sep 18, 2025 Sep 18, 2025
N-CEN Open Document Open Filing Sep 10, 2025 Jun 30, 2025 811-23434
N-CSR Open Document | Data Open Filing Sep 5, 2025 Jun 30, 2025 811-23434
NPORT-P Open Document Open Filing Aug 28, 2025 Jun 30, 2025 811-23434
DEF 14A Open Document Open Filing Aug 26, 2025 Sep 22, 2025 811-23434
N-PX Open Document Open Filing Aug 20, 2025 Jun 30, 2025 811-23434
3/A Open Document Open Filing Jul 10, 2025 Nov 22, 2024
40-17G Open Document Open Filing Jun 2, 2025 811-23434
NPORT-P Open Document Open Filing May 30, 2025 Mar 31, 2025 811-23434
POS EX Open Document | Data Open Filing May 21, 2025 333-281390
424B5 Open Document | Data Open Filing May 21, 2025 333-281390
424B3 Open Document | Data Open Filing Apr 16, 2025 333-281390
EFFECT Open Document Open Filing Apr 15, 2025 333-281390
4 Open Document Open Filing Apr 11, 2025 Apr 10, 2025
4/A Open Document Open Filing Apr 10, 2025 Apr 8, 2025
4 Open Document Open Filing Apr 10, 2025 Apr 9, 2025
4 Open Document Open Filing Apr 9, 2025 Apr 8, 2025
N-2/A Open Document | Data Open Filing Mar 31, 2025 811-23434,333-281390
N-CSRS Open Document | Data Open Filing Mar 7, 2025 Dec 31, 2024 811-23434
NPORT-P Open Document Open Filing Feb 27, 2025 Dec 31, 2024 811-23434
N-2/A Open Document | Data Open Filing Feb 20, 2025 811-23434,333-281390
CORRESP Open Document Open Filing Feb 20, 2025
3 Open Document Open Filing Nov 29, 2024 Nov 22, 2024
NPORT-P Open Document Open Filing Nov 27, 2024 Sep 30, 2024 811-23434
4 Open Document Open Filing Nov 27, 2024 Nov 22, 2024
N-2/A Open Document | Data Open Filing Oct 23, 2024 811-23434,333-281390
CORRESP Open Document Open Filing Oct 22, 2024
3 Open Document Open Filing Oct 1, 2024 Sep 30, 2024
N-CEN Open Document Open Filing Sep 11, 2024 Jun 30, 2024 811-23434
N-CSR Open Document | Data Open Filing Sep 6, 2024 Jun 30, 2024 811-23434
N-PX Open Document Open Filing Aug 30, 2024 Jun 30, 2024 811-23434
NPORT-P Open Document Open Filing Aug 29, 2024 Jun 30, 2024 811-23434
DEF 14A Open Document Open Filing Aug 21, 2024 Sep 19, 2024 811-23434
N-2 Open Document Open Filing Aug 8, 2024 811-23434,333-281390
40-17G Open Document Open Filing Jun 4, 2024 811-23434
NPORT-P Open Document Open Filing May 30, 2024 Mar 31, 2024 811-23434
N-CSRS Open Document | Data Open Filing Mar 8, 2024 Dec 31, 2023 811-23434
NPORT-P Open Document Open Filing Feb 29, 2024 Dec 31, 2023 811-23434
EFFECT Open Document Open Filing Feb 27, 2024 333-260490
CORRESP Open Document Open Filing Feb 21, 2024
POS 8C Open Document | Data Open Filing Feb 21, 2024 811-23434,333-260490
POS 8C Open Document | Data Open Filing Dec 29, 2023 811-23434,333-260490
NPORT-P Open Document Open Filing Nov 29, 2023 Sep 30, 2023 811-23434
POS 8C Open Document | Data Open Filing Oct 2, 2023 811-23434,333-260490
N-CEN Open Document Open Filing Sep 13, 2023 Jun 30, 2023 811-23434
N-CSR Open Document | Data Open Filing Sep 7, 2023 Jun 30, 2023 811-23434
CORRESP Open Document Open Filing Aug 31, 2023
NPORT-P Open Document Open Filing Aug 29, 2023 Jun 30, 2023 811-23434
POS EX Open Document | Data Open Filing Aug 25, 2023 333-260490
424B5 Open Document | Data Open Filing Aug 25, 2023 333-260490
N-PX Open Document Open Filing Aug 23, 2023 Jun 30, 2023 811-23434
DEF 14A Open Document Open Filing Aug 23, 2023 Sep 15, 2023 811-23434
40-17G Open Document Open Filing Jun 14, 2023 811-23434
NPORT-P Open Document Open Filing May 30, 2023 Mar 31, 2023 811-23434
4 Open Document Open Filing Apr 28, 2023 Apr 28, 2023
N-CSRS Open Document | Data Open Filing Mar 10, 2023 811-23434
NPORT-P Open Document Open Filing Mar 1, 2023 Dec 31, 2022 811-23434
NPORT-P Open Document Open Filing Nov 29, 2022 Sep 30, 2022 811-23434
3 Open Document Open Filing Nov 10, 2022 Nov 8, 2022
EFFECT Open Document Open Filing Nov 9, 2022 333-260490
4 Open Document Open Filing Nov 7, 2022 Nov 4, 2022
CORRESP Open Document Open Filing Nov 3, 2022
4 Open Document Open Filing Nov 1, 2022 Jul 26, 2019
N-2/A Open Document Open Filing Oct 7, 2022 811-23434,333-260490
CORRESP Open Document Open Filing Oct 7, 2022
N-CEN Open Document Open Filing Sep 13, 2022 Jun 30, 2022 811-23434
N-CSR/A Open Document | Data Open Filing Sep 9, 2022 811-23434
N-CSR Open Document Open Filing Sep 8, 2022 Jun 30, 2022 811-23434
N-PX Open Document Open Filing Aug 31, 2022 Jun 30, 2022 811-23434
NPORT-P Open Document Open Filing Aug 29, 2022 Jun 30, 2022 811-23434
DEF 14A Open Document Open Filing Aug 16, 2022 Sep 23, 2022 811-23434
N-2/A Open Document Open Filing Aug 9, 2022 811-23434,333-260490
CORRESP Open Document Open Filing Aug 9, 2022
40-17G Open Document Open Filing Jul 15, 2022 811-23434
NPORT-P Open Document Open Filing May 31, 2022 Mar 31, 2022 811-23434
4 Open Document Open Filing May 5, 2022 May 3, 2022
N-CSRS Open Document Open Filing Mar 11, 2022 Dec 31, 2021 811-23434
NPORT-P Open Document Open Filing Mar 1, 2022 Dec 31, 2021 811-23434
4 Open Document Open Filing Feb 15, 2022 Feb 11, 2022
NPORT-P Open Document Open Filing Nov 29, 2021 Sep 30, 2021 811-23434
4 Open Document Open Filing Nov 24, 2021 Nov 22, 2021
N-2 Open Document Open Filing Oct 25, 2021 811-23434,333-260490
N-CEN Open Document Open Filing Sep 13, 2021 Jun 30, 2021 811-23434
N-CSR Open Document Open Filing Sep 7, 2021 Jun 30, 2021 811-23434
3 Open Document Open Filing Sep 1, 2021 Sep 1, 2021
NPORT-P Open Document Open Filing Aug 30, 2021 Jun 30, 2021 811-23434
N-PX Open Document Open Filing Aug 27, 2021 Jun 30, 2021 811-23434
40-17G Open Document Open Filing Jul 30, 2021 811-23434
DEF 14A Open Document Open Filing Jul 13, 2021 Aug 27, 2021 811-23434
PRE 14A Open Document Open Filing Jun 24, 2021 Jun 24, 2021 811-23434
4 Open Document Open Filing Jun 17, 2021 Jun 15, 2021
NPORT-P Open Document Open Filing Jun 1, 2021 Mar 31, 2021 811-23434
4 Open Document Open Filing Apr 21, 2021 Apr 19, 2021
4 Open Document Open Filing Apr 6, 2021 Mar 31, 2021
N-CSRS Open Document Open Filing Mar 5, 2021 Dec 31, 2020 811-23434
4 Open Document Open Filing Mar 2, 2021 Feb 26, 2021
NPORT-P Open Document Open Filing Mar 1, 2021 Dec 31, 2020 811-23434
NPORT-P Open Document Open Filing Nov 27, 2020 Sep 30, 2020 811-23434
N-CEN Open Document Open Filing Sep 14, 2020 Jun 30, 2020 811-23434
DEF 14A Open Document Open Filing Sep 11, 2020 Oct 15, 2020 811-23434
N-CSR Open Document Open Filing Sep 9, 2020 Jun 30, 2020 811-23434
NPORT-P Open Document Open Filing Aug 28, 2020 Jun 30, 2020 811-23434
N-PX Open Document Open Filing Aug 28, 2020 Jun 30, 2020 811-23434
40-17G Open Document Open Filing Jul 2, 2020 811-23434
NPORT-P Open Document Open Filing May 29, 2020 Mar 31, 2020 811-23434
4 Open Document Open Filing May 21, 2020 May 21, 2020
4 Open Document Open Filing Mar 25, 2020 Mar 23, 2020
4 Open Document Open Filing Mar 19, 2020 Mar 18, 2020
4 Open Document Open Filing Mar 19, 2020 Mar 17, 2020
4 Open Document Open Filing Mar 16, 2020 Mar 13, 2020
N-CSRS Open Document Open Filing Mar 10, 2020 Dec 31, 2019 811-23434
NPORT-P Open Document Open Filing Mar 2, 2020 Dec 31, 2019 811-23434
4 Open Document Open Filing Dec 31, 2019 Dec 31, 2019
4 Open Document Open Filing Dec 31, 2019 Dec 30, 2019
NPORT-P Open Document Open Filing Nov 27, 2019 Sep 30, 2019 811-23434
4 Open Document Open Filing Oct 24, 2019 Oct 22, 2019
4 Open Document Open Filing Aug 26, 2019 Aug 1, 2019
3 Open Document Open Filing Aug 26, 2019 Jun 18, 2019
4 Open Document Open Filing Jul 31, 2019 Jul 29, 2019
4 Open Document Open Filing Jul 30, 2019 Jul 26, 2019
4 Open Document Open Filing Jul 30, 2019 Jul 26, 2019
497 Open Document Open Filing Jul 26, 2019 333-230421
EFFECT Open Document Open Filing Jul 25, 2019 333-230421
N-2MEF Open Document Open Filing Jul 25, 2019 811-23434,333-232838
3 Open Document Open Filing Jul 25, 2019 Jul 25, 2019
3 Open Document Open Filing Jul 25, 2019 Jul 25, 2019
3 Open Document Open Filing Jul 25, 2019 Jul 25, 2019
3 Open Document Open Filing Jul 25, 2019 Jul 25, 2019
3 Open Document Open Filing Jul 25, 2019 Jul 25, 2019
3 Open Document Open Filing Jul 25, 2019 Jul 25, 2019
3 Open Document Open Filing Jul 25, 2019 Jul 25, 2019
N-2/A Open Document Open Filing Jul 24, 2019 811-23434,333-230421
CORRESP Open Document Open Filing Jul 22, 2019
CORRESP Open Document Open Filing Jul 22, 2019
CERT Open Document Open Filing NYSE CERTIFICATION FILING Jul 22, 2019 001-38963
8-A12B Open Document Open Filing Jul 2, 2019 001-38963
3 Open Document Open Filing Jun 24, 2019 Jun 18, 2019
3 Open Document Open Filing Jun 24, 2019 Jun 18, 2019
3 Open Document Open Filing Jun 24, 2019 Jun 18, 2019
3 Open Document Open Filing Jun 24, 2019 Jun 18, 2019
3 Open Document Open Filing Jun 24, 2019 Jun 18, 2019
3 Open Document Open Filing Jun 24, 2019 Jun 18, 2019
3 Open Document Open Filing Jun 24, 2019 Jun 18, 2019
3 Open Document Open Filing Jun 24, 2019 Jun 18, 2019
3 Open Document Open Filing Jun 24, 2019 Jun 18, 2019
3 Open Document Open Filing Jun 24, 2019 Jun 18, 2019
N-2/A Open Document Open Filing Jun 24, 2019 811-23434,333-230421
CORRESP Open Document Open Filing Jun 14, 2019
UPLOAD Open Document Open Filing Jun 11, 2019
CORRESP Open Document Open Filing Jun 10, 2019
N-2/A Open Document Open Filing Jun 10, 2019 811-23434,333-230421
N-8A/A Open Document Open Filing Jun 7, 2019 811-23434
N-2 Open Document Open Filing Mar 20, 2019 811-23434,333-230421
N-8A Open Document Open Filing Mar 20, 2019 811-23434