UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13D/A

Under the Securities Exchange Act of 1934
(Amendment No. 20)*

iBio, Inc.

(Name of Issuer)

COMMON STOCK, $0.0010 PAR VALUE PER SHARE

(Title of Class of Securities)

451033203

(CUSIP Number)

William Sullivan, 10 Market Street, #773 Camana Bay Grand Cayman, KY1-9006 CAYMAN ISLANDS, 345-640-3300

(Name, Address and Telephone Number of Person
Authorized to Receive Notices and Communications)

August 10, 2020

(Date of Event which Requires Filing of this Statement)

If the filing person has previously filed a statement on Schedule 13G to report the acquisition that is the subject of this Schedule 13D, and is filing this schedule because of §§240.13d-1(e), 240.13d-1(f) or 240.13d-1(g), check the following box. ¨

Note: Schedules filed in paper format shall include a signed original and five copies of the schedule, including all exhibits. See §240.13d-7 for other parties to whom copies are to be sent.

^* The remainder of this cover page shall be filled out for a reporting person’s initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter disclosures provided in a prior cover page.

The information required on the remainder of this cover page shall not be deemed to be “filed” for the purpose of Section 18 of the Securities Exchange Act of 1934 (“Act”) or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes).

Explanatory Note: This Amendment No. 20 to Schedule 13D (this “Amendment No. 20”) relates to shares of common stock, par value $0.001 per share (the “Common Stock”), of IBio, Inc., (the “Issuer”). This Amendment No. 20 amends the original Schedule 13D filed with the U.S. Securities and Exchange Commission (“SEC”) by the Reporting Persons as previously amended by Amendments No. 1 through 19 (the “Schedule 13D”). Except as otherwise specified in this Amendment No. 20, all previous Items are unchanged. Defined terms used herein but not otherwise defined have the meanings set forth in the Schedule 13D.

Item 4. Purpose of Transaction.

From August 7 through 11, 2020, the Reporting Persons sold an aggregate 24,484,904 of the shares of the Issuer’s Common Stock in open market transactions.

The Reporting Persons intend generally to dispose of additional shares of Common Stock, subject to various factors, including but not limited to market conditions and other factors that the Reporting Persons may deem relevant to their investment decisions. However, the Reporting Persons have no specific plans or proposals to dispose of any specific number of shares of Common Stock or at any specific prices and the Reporting Persons reserve the right to change their current intentions. Except as otherwise described above, the Reporting Persons have no plans or proposals that relate to or would result in any transaction, event or action enumerated in paragraph (a) through (j) of Item 4 of Schedule 13D.

Item 5.  Interest in Securities of the Issuer.

Item 5(a) (b) and (c)

As of the date hereof, Eastern Capital Limited beneficially owns 8,629,693 shares of the Issuer’s Common Stock, representing 5.8% of the Issuer’s outstanding Common Stock. Eastern Capital Limited has shared voting and dispositive power of the shares it beneficially owns with its parent, Portfolio Services Ltd., and Kenneth B. Dart.

Portfolio Services Ltd., as the owner of all of the outstanding shares of Eastern Capital Limited, indirectly beneficially owns 8,629,693 shares of the Issuer’s Common stock, representing 5.8% of the Issuer’s outstanding Common Stock. Portfolio Services Ltd. has shared voting and dispositive power of the shares it beneficially owns.

As a result of Kenneth B. Dart’s ownership of all of the outstanding shares of Portfolio Services Ltd., he indirectly beneficially owns 8,629,693 shares of the Issuer’s Common Stock, representing 5.8% of the Issuer’s outstanding Common Stock. Kenneth B. Dart has shared voting and dispositive power of the shares he beneficially owns.

The percentage ownership is based on 119,795,674 shares of Common Stock outstanding, as at June 11, 2020, and as reported in the Issuer‘s Prospectus Supplement, dated July 29, 2020, and filed with the U.S. Securities Exchange Commission on July 29, 2020, plus the 28,925,000 shares of Common Stock from the conversion of the Series B Preferred Stock on August 7, 2020.

In the past 60 days, the following sales of shares of the Common Stock were effected in open market transactions by Eastern Capital Limited (the only Reporting Person to effect any such transactions) during the period August 4, 2020, through August 11, 2020:

On August 6, 2020, Eastern Capital Limited delivered to the Issuer a notice of conversion of the Series B Preferred Stock held by Eastern Capital Limited with effect on August 7, 2020. As a result, the Series B Preferred Stock was converted into 28,925,000 shares of Common Stock based on the conversion price of $0.20.

Item 5 (d) and (e) – Not Applicable

Item 6. Contracts, Arrangements, Understandings or Relationships With Respect to Securities of the Issuer.

Item 6 is hereby amended and supplemented as follows:

The information set forth in Item 4 of this Amendment No. 20 is incorporated by reference into this Item 6.

Item 7. Material to Be Filed as Exhibits.

Exhibit 1 – Joint Filing Agreement

SIGNATURE

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.