Sec Form 3 Filing - Duran Felipe @ iBio, Inc. - 2023-02-13

FORM 3 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 Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person Duran Felipe 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) Interim CFO (Last) (First) (Middle) C/O IBIO, INC., 8800 HSC PARKWAY 3. Date of Earliest Transaction (MM/DD/YY) 02/13/2023 (Street) BRYAN, TX77807 4. If Amendment, Date Original Filed (MM/DD/YY) 6. Individual or Joint/Group Filing (Check Applicable Line) __ X __ Form filed by One Reporting Person _____ Form filed by More than One Reporting Person (City) (State) (Zip)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned 1.Title of Security (Instr. 3) 2. Transaction Date (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 3. Transaction 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 (RSU) 2,133 ( 1 ) D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned ( e.g. , puts, calls, warrants, options, convertible securities) 1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 4. Transaction 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 (MM/DD/YY) 7. Title and Amount of Underlying Securities (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) $ 32.25 05/04/2022 05/04/2031 Common Stock 2,800 ( 2 ) D Stock Option (Right to Buy) $ 31.5 08/23/2022 08/23/2031 Common Stock 1,000 ( 2 ) D Stock Option (Right to Buy) $ 7 08/29/2022 08/29/2031 Common Stock 12,000 ( 2 ) D

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other Duran Felipe C/O IBIO, INC., 8800 HSC PARKWAY BRYAN, TX77807 Interim CFO Signatures /s/ Felipe Duran 02/14/2023 Signature of Reporting Person Date

Explanation of Responses:

( 1 )Consists of 2,133 shares of iBio, Inc. (the "Company") common stock, $0.001 par value per share (the "Common Stock") represented by 2,133 restricted stock units ("RSUs") granted under the Company's 2020 Omnibus Equity Incentive Plan, (the "2020 Plan"). Each RSU represents a contingent right to receive one share of Common Stock. These RSUs will vest in even increments on the first three anniversaries of grant, subject to the conditions of the Plan and grant agreement. ( 2 )25% of options granted will vest one year following the grant date; and after one year following the grant date, 6.25% of the options granted will vest for each additional 3 months of employment, subject to the conditions of the Plan and grant agreement.

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 4(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).

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