Companies: 10,795·Total market cap: $144.5T
Rivernorth Managed Duration Municipal Income Fund Inc.

Rivernorth Managed Duration Municipal Income Fund Inc.

RMMNYSEFinancial Services● Active
$14.41
$-0.12(-0.79%)
Market Cap$284349341
P/E Ratio
52W High$14.88
52W Low$13.282
SEC Filings

Rivernorth Managed Duration Municipal Income Fund Inc. (RMM) SEC Filings & 10-K Annual Reports

SEC EDGAR regulatory submissions (10-K, 10-Q, 8-K), latest forms, and full filing history — quick links to financials and earnings below.

SEC EDGAR · data.sec.gov · CIK 0001771226 · RMM · NYSE · as of Jun 9, 2026

Filing snapshot

158
Total Filings
NPORT-P
Latest Form
2026-05-28
Most Recent
2019
Filing Since

Source: SEC EDGAR (data.sec.gov) · CIK 0001771226 · Updated hourly · Not investment advice

Latest Key Filings

10-QQuarterly Report

No recent filings

8-KCurrent Report

No recent filings

Form 4Insider Activity
Ownership Change Disclosures

Executive & director trade disclosures. Full buy/sell sentiment analysis on the dedicated tab.

SEC Filing History

Hide Form 4 / 144
NPORT-PNPORT-P
NPORT-P
2026-05-28
View
N-CSRSN-CSRS
N-CSRS
2026-03-06
View
NPORT-PNPORT-P
NPORT-P
2026-02-26
View
NPORT-PNPORT-P
NPORT-P
2025-11-26
View
3Initial Statement of Beneficial Ownership
Initial Statement of Beneficial Ownership
2025-09-18
View
N-CENN-CEN
N-CEN
2025-09-10
View
N-CSRN-CSR
N-CSR
2025-09-05
View
NPORT-PNPORT-P
NPORT-P
2025-08-28
View
DEF 14AProxy Statement
Proxy Statement
2025-08-26
View
N-PXN-PX
N-PX
2025-08-20
View
3/AInitial Statement of Beneficial Ownership (Amended)
Initial Statement of Beneficial Ownership (Amended)
2025-07-10
View
40-17G40-17G
40-17G
2025-06-02
View
NPORT-PNPORT-P
NPORT-P
2025-05-30
View
POS EXPOS EX
POS EX
2025-05-21
View
424B5424B5
424B5
2025-05-21
View
Showing 1–15 of 131 filingsForm 4 / 144 hidden· 158 total in EDGAR

About SEC Filings & 10-K Annual Reports

Data source: SEC EDGAR (data.sec.gov)  |  Updated: Hourly  |  CIK: 0001771226  |  Exchange: NYSE · Financial Services

Rivernorth Managed Duration Municipal Income Fund Inc. (NYSE: RMM) has submitted 158 documents to the U.S. Securities and Exchange Commission (SEC) since its IPO in 2019. As a Financial Services sector company with CIK 0001771226, all filings are publicly accessible via the EDGAR database at no cost.

The annual 10-K report is Rivernorth Managed Duration Municipal Income Fund Inc.'s most comprehensive regulatory disclosure. The most recent Rivernorth Managed Duration Municipal Income Fund Inc. 10-K was filed on — for fiscal year ending —. Historical RMM 10-K annual reports are available from 2019 through —.

Investors researching Rivernorth Managed Duration Municipal Income Fund Inc. SEC filings can access 10-K annual reports, quarterly 10-Q reports, material event 8-K filings, and proxy statements directly from the links above. All documents are sourced from the official SEC EDGAR system.

Source: SEC EDGAR · data.sec.gov · SEC Form 10-K · SEC Form 10-Q · SEC Form 8-K2026-06-09

Frequently Asked Questions

RMM SEC Filings · 8 questions

Rivernorth Managed Duration Municipal Income Fund Inc. (RMM) SEC filings are publicly available on this page and on the official SEC EDGAR database at sec.gov. You can browse all 158 filings and access original documents at no cost. Rivernorth Managed Duration Municipal Income Fund Inc.'s CIK is 0001771226.

RMM SEC filingsRivernorth Managed Duration Municipal Income Fund Inc. SEC documentsfind RMM 10-K