IBIO iBio 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 * Mullaney James P.	2. Issuer Name and Ticker or Trading Symbol iBio, Inc. [ IBIO ]	5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director                    _____ 10% Owner __X__ Officer (give title below)    _____ Other (specify below) Chief Financial Officer
(Last)          (First)          (Middle) C/O IBIO, INC., 600 MADISON AVENUE, SUITE 1601	3. Date of Earliest Transaction (MM/DD/YYYY) 5/27/2020
(Street) NEW YORK, NY 10022 (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	5/27/2020		M		11250	A	$0.93	0 (1)	D
Common Stock	5/27/2020		S		11250	D	$1.61	0 (1)	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
Stock Option (right to buy)	$0.93	5/27/2020		M			11250	2/2/2019	2/20/2024	Common Stock	11250	(2)	0 (1)	D

Explanation of Responses:
(1)	Reflects number of securities beneficially owned following all transactions reported on this Form 4.
(2)	On 2/20/19, the issuer canceled, pursuant to the issuer's option exchange program, old stock options in exchange for new stock options, on the basis of three new options in exchange for four old options, for all eligible option holders who elected to participate in the option exchange, including the cancelation of this option grant to the reporting person in exchange for new options.

Reporting Owners
Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
Mullaney James P. C/O IBIO, INC. 600 MADISON AVENUE, SUITE 1601 NEW YORK, NY 10022			Chief Financial Officer

Signatures
/s/ James P. Mullaney		5/29/2020
**Signature of Reporting Person		Date