XCUR Exicure 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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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 * Mirkin Chad A.	2. Issuer Name and Ticker or Trading Symbol EXICURE, INC. [ XCUR ]	5. Relationship of Reporting Person(s) to Issuer (Check all applicable) __X__ Director                    __X__ 10% Owner _____ Officer (give title below)    _____ Other (specify below)
(Last)          (First)          (Middle) C/O EXICURE, INC., 8045 LAMON AVENUE, SUITE 410	3. Date of Earliest Transaction (MM/DD/YYYY) 5/20/2020
(Street) SKOKIE, IL 60077 (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	5/20/2020		M		49649	A	$0.65	64649	D
Common Stock								25000	I	By BSR Enterprises, LLC (1)
Common Stock								11267824	I	By AuraSense, LLC (2)(3)
Common Stock								33936	I	By Chad A. Mirkin Living Trust (3)(4)

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
Stock Option (right to buy)	$0.65	5/20/2020		M			49649	(5)	3/1/2024	Common Stock	49649	$0.00	0	D

Explanation of Responses:
(1)	The Reporting Person is a member of the Board of Managers of BSR Enterprises, LLC and may be deemed to share voting and dispositive power over the shares held by BSR Enterprises, LLC with the Reporting Person's spouse.
(2)	The Reporting Person is a member of the Board of Managers of AuraSense, LLC and may be deemed to share voting or dispositive power over the shares held by AuraSense, LLC.
(3)	The Reporting Person disclaims beneficial ownership of the shares of common stock reported herein except to the extent of his pecuniary interest therein, if any, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of the shares for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose.
(4)	The Reporting Person is the trustee of the Chad A. Mirkin Living Trust, and has voting or dispositive power over the shares held by the trust.
(5)	Immediately exercisable.

Reporting Owners
Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
Mirkin Chad A. C/O EXICURE, INC. 8045 LAMON AVENUE, SUITE 410 SKOKIE, IL 60077	X	X

Signatures
/s/ David Snyder, attorney-in-fact		5/21/2020
**Signature of Reporting Person		Date