[Form 3] RiverNorth Managed Duration Municipal Income Fund II, Inc. Initial Statement of Beneficial Ownership

Rhea-AI Filing Summary

RiverNorth Financial Holdings, LLC filed an SEC Form 3 disclosing initial beneficial ownership information related to RiverNorth Managed Duration Municipal Income Fund II, Inc. (ticker RMMZ). The filing shows the reporting person is an officer and an affiliate of the adviser to the issuer. The Form 3 reports zero Common Shares of Beneficial Interest owned directly by the reporting person. The document includes the reporting person's business address in West Palm Beach, Florida, and is signed by Marc Collins with a filing date of 09/18/2025. No derivative securities, amendments, or additional ownership details were reported.

Positive

• Compliance: The reporting person filed an initial Form 3, meeting Section 16 disclosure requirements.
• Clarity: The filing clearly states the reporting person's role as an officer and affiliate of the adviser.

Negative

• No equity disclosed: The filing reports 0 Common Shares of Beneficial Interest, indicating no direct ownership disclosed.
• Limited information: No derivative positions, amendments, or additional details provided, reducing investor insight into potential economic exposure.

Insights

Corporate Governance Expert

TL;DR: Form 3 discloses officer/affiliate status but reports no direct common-share ownership, posing minimal immediate governance concerns.

The filing identifies RiverNorth Financial Holdings, LLC as a reporting person acting as an officer and affiliate of the adviser to RMMZ. Reporting zero direct common shares suggests no current economic exposure via common equity for this reporting person; however, affiliation with the adviser is material to disclosure and transparency. The absence of derivative positions and amendments limits near-term governance implications. Investors may note the affiliation for related-party context, but this single filing does not indicate a change in control or equity stake.

Securities Analyst

TL;DR: The disclosure is routine and neutral—initial filing with no direct shareholdings and no derivatives reported.

As an initial Section 16 filing, this Form 3 meets statutory disclosure requirements. Reporting zero common shares and no derivatives means there is no immediate market-impacting ownership disclosed. For analysts, the key datapoints are the officer/affiliate relationship and the signature date of 09/18/2025. This filing alone provides limited actionable information for valuation or trading decisions.

SEC Form 3

FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person^*

RiverNorth Financial Holdings, LLC

(Last) (First) (Middle)

360 S. ROSEMARY AVE

SUITE 1420

(Street)

WEST PALM BEACH FL 33401

(City) (State) (Zip)

2. Date of Event Requiring Statement (Month/Day/Year)
09/18/2025

3. Issuer Name and Ticker or Trading Symbol
RiverNorth Managed Duration Municipal Income Fund II, Inc. [ RMMZ ]

4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
	Officer (give title below)	X	Other (specify below)
			Affiliate of the Adviser

5. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)
Common Shares of Beneficial Interest	0	D

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

	/s/ Marc Collins	09/18/2025
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 5 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

FAQ

What did the Form 3 filed for RMMZ disclose?

The Form 3 discloses that RiverNorth Financial Holdings, LLC is an officer and affiliate of the adviser to RMMZ and reports 0 direct Common Shares of Beneficial Interest.

Who signed the Form 3 for RMMZ and when?

The Form 3 is signed by Marc Collins with a signature date of 09/18/2025.

Does the Form 3 report any derivative securities for RMMZ?

No. The filing shows no derivative securities (no options, warrants, or convertible instruments) reported.

What is the reporting person's address listed on the Form 3?

The address listed is 360 S. Rosemary Ave, Suite 1420, West Palm Beach, FL 33401.

Does this Form 3 indicate a change in control or ownership of RMMZ?

No. The filing reports zero direct common-share ownership and contains no indication of a change in control or significant ownership.