[Form 3] RiverNorth/DoubleLine Strategic Opportunity Fund, Inc. Initial Statement of Beneficial Ownership

Rhea-AI Filing Summary

The filing is an initial Section 16 Form 3 for RiverNorth Financial Holdings, LLC reporting its relationship to RiverNorth/DoubleLine Strategic Opportunity Fund, Inc. (OPP). The reporting person is identified as an affiliate of the adviser and filed the form on 09/18/2025. The filing shows zero Common Shares of Beneficial Interest owned, reported as direct (D) ownership of 0 shares. The form is signed by Marc Collins.

Insights

Securities Compliance Analyst

TL;DR: Initial Form 3 filed showing affiliate status and no reported share ownership; procedural disclosure rather than a material ownership change.

The Form 3 documents the initial Section 16 filing for RiverNorth Financial Holdings, LLC in relation to OPP. It explicitly states the reporting person is an affiliate of the adviser and that no Common Shares are beneficially owned (0 shares, direct). The form is dated and signed 09/18/2025. This is a routine disclosure establishing the reporting person's relationship to the issuer and current lack of equity holdings; the filing itself contains no derivative positions, transactions, or indications of material changes in ownership.

Corporate Governance Expert

TL;DR: Disclosure clarifies reporting person's role and confirms no beneficial ownership; governance transparency is maintained.

The document serves to disclose the reporting person's status as an affiliate of the adviser to OPP and records that they hold 0 common shares. As an initial Form 3, it fulfills Section 16(a) reporting requirements by identifying relationship and ownership baseline. There are no listed officer titles beyond the affiliate designation, no derivatives, and no amendments; therefore it provides a baseline for future Section 16 reporting but contains no material governance actions.

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/DoubleLine Strategic Opportunity Fund, Inc. [ OPP ]

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 OPP disclose?

It discloses that RiverNorth Financial Holdings, LLC is an affiliate of the adviser to RiverNorth/DoubleLine Strategic Opportunity Fund, Inc. (OPP) and reports 0 common shares beneficially owned.

When was the Form 3 for OPP filed and who signed it?

The form is dated 09/18/2025 and is signed by Marc Collins.

Does the Form 3 report any derivative securities for OPP?

No. The filing contains no entries in Table II and reports no derivative securities.

What is the reported ownership form on the Form 3 for OPP?

The filing lists ownership form as Direct (D) with an amount of 0 common shares.

Is the reporting person an officer, director, or 10% owner of OPP?

The filing indicates the reporting person is not listed as a director or 10% owner; it is checked as an affiliate of the adviser.