RMI RiverNorth Opportunistic Municipal Income Fund Inc

FORM 4 [ ] Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).         
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES                                                                                   
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OMB Number: 3235-0287
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Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940                       

1. Name and Address of Reporting Person * DIMELLA ROBERT A	2. Issuer Name and Ticker or Trading Symbol RiverNorth Opportunistic Municipal Income Fund, Inc. [ RMI ]	5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director                    _____ 10% Owner _____ Officer (give title below)    _____ Other (specify below) Portfolio Manager
(Last)          (First)          (Middle) C/O MACKAY SHIELDS LLC, 1345 AVENUE OF THE AMERICAS	3. Date of Earliest Transaction (MM/DD/YYYY) 6/16/2021
(Street) NEW YORK, NY 10105 (City)        (State)        (Zip)	4. If Amendment, Date Original Filed (MM/DD/YYYY)	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 Acquired, Disposed of, or Beneficially Owned
1.Title of Security (Instr. 3)	2. Trans. Date	2A. Deemed Execution Date, if any	3. Trans. Code (Instr. 8)		4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	6/16/2021		S		6744	D	$23.3158 (1)	8256	D
Common Stock	6/17/2021		S		605	D	$23.1562 (2)	7651	D

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivate Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Trans. Date	3A. Deemed Execution Date, if any	4. Trans. Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:
(1)	The shares were purchased in separate transactions. The range of prices for the transactions reported on June 16, 2021 was $23.2000 to $23.4300. The Reporting Person undertakes to provide upon request by the Commission staff, the issuer, or a security holder of the issuer, full information regarding the number of shares purchased at each separate price.
(2)	The shares were purchased in separate transactions. The range of prices for the transactions reported on June 17, 2021 was $23.1500 to $23.2600. The Reporting Person undertakes to provide upon request by the Commission staff, the issuer, or a security holder of the issuer, full information regarding the number of shares purchased at each separate price.

Reporting Owners
Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
DIMELLA ROBERT A C/O MACKAY SHIELDS LLC 1345 AVENUE OF THE AMERICAS NEW YORK, NY 10105				Portfolio Manager

Signatures
/s/ Robert A. DiMella by his Attorney-in-Fact Chris Fitzgerald		6/17/2021
**Signature of Reporting Person		Date