RMM on NYSE

RiverNorth Managed Duration Municipal Income Fund, Inc.

Fund registered in the United States, active since 2019, listed on NYSE (RMM). Summary from the record

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Last updated Oct 19, 2026.

Overview

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  • TickerRMM on NYSE2
  • HeadquartersWest Palm Beach, United States2
  • Incorporated inMD3
  • Business address360 S. Rosemary Ave, Suite 1420, West Palm Beach, Fl 334013
  • Legal formFUND2
  • Kind of organizationFund2
  • LEI549300Y5L3V48O7543532
  • StatusActive2
  • LEI statusIssued and current2
  • Registered addressC/O PARACORP INCORPORATED, 21201 Baltimore, United States2
  • Registered withSecurities and Exchange Commission, 00017712262

Leadership

Who has led RiverNorth Managed Duration Municipal Income Fund, Inc., and when. Pick a name to see everywhere that person has worked.

Board members and other officers (7)

Former names

  • RiverNorth Opportunistic Municipal Income Fund IIMar 20, 2019 to Mar 20, 20193

Timeline

  1. Mar 20, 2019Founded RiverNorth Managed Duration Municipal Income Fund, Inc. is founded2

Filings

83 filings to the SEC since October 2021: 16 insider forms, 67 other. The latest 20:

  1. Sep 10, 2026N-CEN EDGAR
  2. Sep 4, 2026N-CSR EDGAR
  3. Aug 27, 2026NPORT-P EDGAR
  4. Aug 20, 2026N-PX EDGAR
  5. May 28, 2026NPORT-P EDGAR
  6. Mar 6, 2026N-CSRS EDGAR
  7. Feb 26, 2026NPORT-P EDGAR
  8. Dec 5, 2025CORRESP EDGAR
  9. Nov 26, 2025NPORT-P EDGAR
  10. Sep 18, 20253 EDGAR
  11. Sep 10, 2025N-CEN EDGAR
  12. Sep 5, 2025N-CSR EDGAR
  13. Aug 28, 2025NPORT-P EDGAR
  14. Aug 20, 2025N-PX EDGAR
  15. Jul 10, 20253/A EDGAR
  16. May 30, 2025NPORT-P EDGAR
  17. May 21, 2025POS EX EDGAR
  18. May 21, 2025424B5 EDGAR
  19. Apr 16, 2025424B3 EDGAR
  20. Apr 15, 2025EFFECT EDGAR

The 83 filings since October 2021 can be filtered by form type and year here when JavaScript is on.

Every filing from the last five years, summarized. The full record is on SEC EDGAR.

Insider trades

9 open-market trades by officers, directors and large owners since October 2021: 6 buys and 3 sales. Grants, option exercises and gifts are left out.

DateWhoTradeSharesPriceValueFiling
Apr 10, 2025Browne Jonathan PaulBuy800$13.04$10.4KForm 4
Apr 9, 2025Galley Patrick W.PresidentBuy4,000$13.14$52.6KForm 4
Apr 8, 2025Galley Patrick W.PresidentBuy6,000$13.15$78.9KForm 4
Apr 8, 2025Galley Patrick W.PresidentBuy6,000$13.15$78.9KForm 4
Nov 4, 2022Galley Patrick W.PresidentSale2,000$13.91$27.8KForm 4
Oct 31, 2022Galley Patrick W.PresidentSale3,000$13.62$40.9KForm 4
May 3, 2022Lawlor John JSale1,000$15.80$15.8KForm 4
Feb 11, 2022Galley Patrick W.PresidentBuy5,000$18.75$93.8KForm 4
Nov 22, 2021HUTCHENS JOHN WAYNEDirectorBuy1,500$19.74$29.6KForm 4

From Forms 4 filed with the SEC.