RiverNorth Managed Duration Municipal Income Fund, Inc. SEC filings RMM
RiverNorth Managed Duration Municipal Income Fund, Inc. has 166 filings in SEC EDGAR's recent list, going back to Mar 20, 2019. The company's fiscal year ends on January 20.
| Form | Description | Filed | Period |
|---|---|---|---|
| N-CEN | Filing | Sep 10, 2026 | Jun 30, 2026 |
| N-CSR | Filing | Sep 4, 2026 | Jun 30, 2026 |
| NPORT-P | Filing | Aug 27, 2026 | Jun 30, 2026 |
| DEF 14A | Proxy statement | Aug 21, 2026 | Sep 22, 2026 |
| N-PX | Filing | Aug 20, 2026 | Jun 30, 2026 |
| 40-17G | Filing | Jul 28, 2026 | — |
| NPORT-P | Filing | May 28, 2026 | Mar 31, 2026 |
| N-CSRS | Filing | Mar 6, 2026 | Dec 31, 2025 |
| NPORT-P | Filing | Feb 26, 2026 | Dec 31, 2025 |
| CORRESP | Letter to the SEC | Dec 5, 2025 | — |
| NPORT-P | Filing | Nov 26, 2025 | Sep 30, 2025 |
| 3 | Initial insider ownership | Sep 18, 2025 | Sep 18, 2025 |
| N-CEN | Filing | Sep 10, 2025 | Jun 30, 2025 |
| N-CSR | Filing | Sep 5, 2025 | Jun 30, 2025 |
| NPORT-P | Filing | Aug 28, 2025 | Jun 30, 2025 |
| DEF 14A | Proxy statement | Aug 26, 2025 | Sep 22, 2025 |
| N-PX | Filing | Aug 20, 2025 | Jun 30, 2025 |
| 3/A | Filing | Jul 10, 2025 | Nov 22, 2024 |
| 40-17G | Filing | Jun 2, 2025 | — |
| NPORT-P | Filing | May 30, 2025 | Mar 31, 2025 |
| POS EX | Filing | May 21, 2025 | — |
| 424B5 | Prospectus supplement | May 21, 2025 | — |
| 424B3 | Prospectus | Apr 16, 2025 | — |
| EFFECT | Filing | Apr 15, 2025 | — |
| 4 | Insider transaction | Apr 11, 2025 | Apr 10, 2025 |
| 4/A | Filing | Apr 10, 2025 | Apr 8, 2025 |
| 4 | Insider transaction | Apr 10, 2025 | Apr 9, 2025 |
| 4 | Insider transaction | Apr 9, 2025 | Apr 8, 2025 |
| N-2/A | Filing | Mar 31, 2025 | — |
| N-CSRS | Filing | Mar 7, 2025 | Dec 31, 2024 |
| NPORT-P | Filing | Feb 27, 2025 | Dec 31, 2024 |
| N-2/A | Filing | Feb 20, 2025 | — |
| CORRESP | Letter to the SEC | Feb 20, 2025 | — |
| 3 | Initial insider ownership | Nov 29, 2024 | Nov 22, 2024 |
| NPORT-P | Filing | Nov 27, 2024 | Sep 30, 2024 |
| 4 | Insider transaction | Nov 27, 2024 | Nov 22, 2024 |
| N-2/A | Filing | Oct 23, 2024 | — |
| CORRESP | Letter to the SEC | Oct 22, 2024 | — |
| 3 | Initial insider ownership | Oct 1, 2024 | Sep 30, 2024 |
| N-CEN | Filing | Sep 11, 2024 | Jun 30, 2024 |
| N-CSR | Filing | Sep 6, 2024 | Jun 30, 2024 |
| N-PX | Filing | Aug 30, 2024 | Jun 30, 2024 |
| NPORT-P | Filing | Aug 29, 2024 | Jun 30, 2024 |
| DEF 14A | Proxy statement | Aug 21, 2024 | Sep 19, 2024 |
| N-2 | Filing | Aug 8, 2024 | — |
| 40-17G | Filing | Jun 4, 2024 | — |
| NPORT-P | Filing | May 30, 2024 | Mar 31, 2024 |
| N-CSRS | Filing | Mar 8, 2024 | Dec 31, 2023 |
| NPORT-P | Filing | Feb 29, 2024 | Dec 31, 2023 |
| EFFECT | Filing | Feb 27, 2024 | — |
| CORRESP | Letter to the SEC | Feb 21, 2024 | — |
| POS 8C | Filing | Feb 21, 2024 | — |
| POS 8C | Filing | Dec 29, 2023 | — |
| NPORT-P | Filing | Nov 29, 2023 | Sep 30, 2023 |
| POS 8C | Filing | Oct 2, 2023 | — |
| N-CEN | Filing | Sep 13, 2023 | Jun 30, 2023 |
| N-CSR | Filing | Sep 7, 2023 | Jun 30, 2023 |
| CORRESP | Letter to the SEC | Aug 31, 2023 | — |
| NPORT-P | Filing | Aug 29, 2023 | Jun 30, 2023 |
| POS EX | Filing | Aug 25, 2023 | — |
| 424B5 | Prospectus supplement | Aug 25, 2023 | — |
| N-PX | Filing | Aug 23, 2023 | Jun 30, 2023 |
| DEF 14A | Proxy statement | Aug 23, 2023 | Sep 15, 2023 |
| 40-17G | Filing | Jun 14, 2023 | — |
| NPORT-P | Filing | May 30, 2023 | Mar 31, 2023 |
| 4 | Insider transaction | Apr 28, 2023 | Apr 28, 2023 |
| N-CSRS | Filing | Mar 10, 2023 | — |
| NPORT-P | Filing | Mar 1, 2023 | Dec 31, 2022 |
| NPORT-P | Filing | Nov 29, 2022 | Sep 30, 2022 |
| 3 | Initial insider ownership | Nov 10, 2022 | Nov 8, 2022 |
| EFFECT | Filing | Nov 9, 2022 | — |
| 4 | Insider transaction | Nov 7, 2022 | Nov 4, 2022 |
| CORRESP | Letter to the SEC | Nov 3, 2022 | — |
| 4 | Insider transaction | Nov 1, 2022 | Jul 26, 2019 |
| N-2/A | Filing | Oct 7, 2022 | — |
| CORRESP | Letter to the SEC | Oct 7, 2022 | — |
| N-CEN | Filing | Sep 13, 2022 | Jun 30, 2022 |
| N-CSR/A | Filing | Sep 9, 2022 | — |
| N-CSR | Filing | Sep 8, 2022 | Jun 30, 2022 |
| N-PX | Filing | Aug 31, 2022 | Jun 30, 2022 |
| NPORT-P | Filing | Aug 29, 2022 | Jun 30, 2022 |
| DEF 14A | Proxy statement | Aug 16, 2022 | Sep 23, 2022 |
| N-2/A | Filing | Aug 9, 2022 | — |
| CORRESP | Letter to the SEC | Aug 9, 2022 | — |
| 40-17G | Filing | Jul 15, 2022 | — |
| NPORT-P | Filing | May 31, 2022 | Mar 31, 2022 |
| 4 | Insider transaction | May 5, 2022 | May 3, 2022 |
| N-CSRS | Filing | Mar 11, 2022 | Dec 31, 2021 |
| NPORT-P | Filing | Mar 1, 2022 | Dec 31, 2021 |
| 4 | Insider transaction | Feb 15, 2022 | Feb 11, 2022 |
| NPORT-P | Filing | Nov 29, 2021 | Sep 30, 2021 |
| 4 | Insider transaction | Nov 24, 2021 | Nov 22, 2021 |
| N-2 | Filing | Oct 25, 2021 | — |
| N-CEN | Filing | Sep 13, 2021 | Jun 30, 2021 |
| N-CSR | Filing | Sep 7, 2021 | Jun 30, 2021 |
| 3 | Initial insider ownership | Sep 1, 2021 | Sep 1, 2021 |
| NPORT-P | Filing | Aug 30, 2021 | Jun 30, 2021 |
| N-PX | Filing | Aug 27, 2021 | Jun 30, 2021 |
| 40-17G | Filing | Jul 30, 2021 | — |
| DEF 14A | Proxy statement | Jul 13, 2021 | Aug 27, 2021 |
| CORRESP | Letter to the SEC | Jul 12, 2021 | — |
| PRE 14A | Preliminary proxy statement | Jun 24, 2021 | Jun 24, 2021 |
| 4 | Insider transaction | Jun 17, 2021 | Jun 15, 2021 |
| NPORT-P | Filing | Jun 1, 2021 | Mar 31, 2021 |
| 4 | Insider transaction | Apr 21, 2021 | Apr 19, 2021 |
| 4 | Insider transaction | Apr 6, 2021 | Mar 31, 2021 |
| N-CSRS | Filing | Mar 5, 2021 | Dec 31, 2020 |
| 4 | Insider transaction | Mar 2, 2021 | Feb 26, 2021 |
| NPORT-P | Filing | Mar 1, 2021 | Dec 31, 2020 |
| NPORT-P | Filing | Nov 27, 2020 | Sep 30, 2020 |
| N-CEN | Filing | Sep 14, 2020 | Jun 30, 2020 |
| DEF 14A | Proxy statement | Sep 11, 2020 | Oct 15, 2020 |
| N-CSR | Filing | Sep 9, 2020 | Jun 30, 2020 |
| NPORT-P | Filing | Aug 28, 2020 | Jun 30, 2020 |
| N-PX | Filing | Aug 28, 2020 | Jun 30, 2020 |
| 40-17G | Filing | Jul 2, 2020 | — |
| NPORT-P | Filing | May 29, 2020 | Mar 31, 2020 |
| 4 | Insider transaction | May 21, 2020 | May 21, 2020 |
| 4 | Insider transaction | Mar 25, 2020 | Mar 23, 2020 |
| 4 | Insider transaction | Mar 19, 2020 | Mar 18, 2020 |
| 4 | Insider transaction | Mar 19, 2020 | Mar 17, 2020 |
| 4 | Insider transaction | Mar 16, 2020 | Mar 13, 2020 |
| N-CSRS | Filing | Mar 10, 2020 | Dec 31, 2019 |
| NPORT-P | Filing | Mar 2, 2020 | Dec 31, 2019 |
| 4 | Insider transaction | Dec 31, 2019 | Dec 31, 2019 |
| 4 | Insider transaction | Dec 31, 2019 | Dec 30, 2019 |
| NPORT-P | Filing | Nov 27, 2019 | Sep 30, 2019 |
| 4 | Insider transaction | Oct 24, 2019 | Oct 22, 2019 |
| 4 | Insider transaction | Aug 26, 2019 | Aug 1, 2019 |
| 3 | Initial insider ownership | Aug 26, 2019 | Jun 18, 2019 |
| 4 | Insider transaction | Jul 31, 2019 | Jul 29, 2019 |
| 4 | Insider transaction | Jul 30, 2019 | Jul 26, 2019 |
| 4 | Insider transaction | Jul 30, 2019 | Jul 26, 2019 |
| 497 | Filing | Jul 26, 2019 | — |
| EFFECT | Filing | Jul 25, 2019 | — |
| N-2MEF | Filing | Jul 25, 2019 | — |
| 3 | Initial insider ownership | Jul 25, 2019 | Jul 25, 2019 |
| 3 | Initial insider ownership | Jul 25, 2019 | Jul 25, 2019 |
| 3 | Initial insider ownership | Jul 25, 2019 | Jul 25, 2019 |
| 3 | Initial insider ownership | Jul 25, 2019 | Jul 25, 2019 |
| 3 | Initial insider ownership | Jul 25, 2019 | Jul 25, 2019 |
| 3 | Initial insider ownership | Jul 25, 2019 | Jul 25, 2019 |
| 3 | Initial insider ownership | Jul 25, 2019 | Jul 25, 2019 |
| N-2/A | Filing | Jul 24, 2019 | — |
| CORRESP | Letter to the SEC | Jul 22, 2019 | — |
| CORRESP | Letter to the SEC | Jul 22, 2019 | — |
| CERT | Nyse certification filing | Jul 22, 2019 | — |
| 8-A12B | Filing | Jul 2, 2019 | — |
| 3 | Initial insider ownership | Jun 24, 2019 | Jun 18, 2019 |
| 3 | Initial insider ownership | Jun 24, 2019 | Jun 18, 2019 |
| 3 | Initial insider ownership | Jun 24, 2019 | Jun 18, 2019 |
| 3 | Initial insider ownership | Jun 24, 2019 | Jun 18, 2019 |
| 3 | Initial insider ownership | Jun 24, 2019 | Jun 18, 2019 |
| 3 | Initial insider ownership | Jun 24, 2019 | Jun 18, 2019 |
| 3 | Initial insider ownership | Jun 24, 2019 | Jun 18, 2019 |
| 3 | Initial insider ownership | Jun 24, 2019 | Jun 18, 2019 |
| 3 | Initial insider ownership | Jun 24, 2019 | Jun 18, 2019 |
| 3 | Initial insider ownership | Jun 24, 2019 | Jun 18, 2019 |
| N-2/A | Filing | Jun 24, 2019 | — |
| CORRESP | Letter to the SEC | Jun 14, 2019 | — |
| UPLOAD | Letter from the SEC | Jun 11, 2019 | — |
| CORRESP | Letter to the SEC | Jun 10, 2019 | — |
| N-2/A | Filing | Jun 10, 2019 | — |
| N-8A/A | Filing | Jun 7, 2019 | — |
| N-2 | Filing | Mar 20, 2019 | — |
| N-8A | Filing | Mar 20, 2019 | — |
Showing 166 filings. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.
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Company profile
- Listed as
- RMM (NYSE)
- Fiscal year ends
- January 20
- Incorporated in
- MD
- Headquarters
- West Palm Beach, FL
- SEC CIK
- 1771226
- Former names
- RiverNorth Opportunistic Municipal Income Fund II (until Mar 20, 2019)
Source: SEC EDGAR filings. This is company-reported data, not investment advice.