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Significant Transactions | 9 Months Ended
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Mar. 31, 2026
Significant Transactions |
Significant Transactions | 5. Significant Transactions AstralBio License Agreements Exclusive License Agreement (Myostatin Target): As a result of a collaboration between the Company and AstralBio, Inc. (“AstralBio”), on December 31, 2024, the Company exercised its first option and entered into an exclusive agreement related to myostatin (the “Myostatin License Agreement”) with AstralBio, pursuant to which AstralBio licensed to the Company, on an worldwide exclusive basis and with the right to grant sublicenses, the AstralBio Licensed Patents (as defined in the Myostatin License Agreement) and AstralBio Licensed Know-How (as defined in the Myostatin License Agreement) to develop, manufacture and commercialize and otherwise exploit any product directed to growth differentiation factor 8 (“GDF8”) (myostatin) that contains the licensed antibody targeting myostatin, now named IBIO-600, for research, diagnosis, treatment, prevention, or management of any disease or medical condition. (See Note 11 – Intangible Assets for additional information.) The Company is solely responsible for all decisions related to the launch, sales and marketing and promotion of IBIO-600 in its discretion, subject to the terms of the License Agreement, and for all costs for all activities related to the development, manufacture and commercialization of IBIO-600 worldwide. IBIO-600 was identified by AstralBio using iBio’s proprietary technology stack and was designed for subcutaneous administration with the potential for an extended half-life. ​ In consideration for the rights and licenses granted by AstralBio to the Company in the Myostatin License Agreement, the Company paid AstralBio (i) an upfront license fee in the amount of $750,000 within thirty days of the effective date of the Myostatin License Agreement, which was paid by issuing AstralBio 246,087 shares of the Company’s Common Stock on January 28, 2025 and (ii) upon the occurrence of specified developmental and commercial milestones, milestone payments of up to a total of $28 million, which can be paid by cash or, provided the Company remains listed on the NYSE American or another national stock exchange at the time of the payment, by issuing shares of the Company’s Common Stock, subject to approval of the issuance of any such shares by NYSE American or another national stock exchange at the time of the payment, and provided, however, in no event shall AstralBio be issued, pursuant to the Myostatin License Agreement, more than 19.9% of the total number of shares of the Company’s Common Stock as of the date of entering into the Myostatin License Agreement. In the event the Company sublicenses IBIO-600 or a product that includes IBIO-600, the Company will pay AstralBio a sublicense fee, which fee is a range of a low to mid-single-digit percentage based on the proceeds of the sublicense fees to a third party. ​ Exclusive License Agreement (Activin E): On April 21, 2025, the Company entered into an exclusive agreement related to Activin E (the “Activin E License Agreement”) with AstralBio, pursuant to which AstralBio licensed to the Company, on an worldwide exclusive basis and with the right to grant sublicenses, under the AstralBio Licensed Patents (as defined in the Activin E License Agreement) and AstralBio Licensed Know-How (as defined in the Activin E License Agreement) to develop, manufacture and commercialize and otherwise exploit any product directed to Activin E that contains the licensed antibody targeting Activin E, now named IBIO-610, for research, diagnosis, treatment, prevention, or management of any disease or medical condition. (See Note 11 – Intangible Assets for additional information.) IBIO-610 was identified by AstralBio using the Company’s proprietary technology stack and was designed for subcutaneous administration with the potential for an extended half-life. The Company is solely responsible for all decisions related to the launch, sales and marketing and promotion of IBIO-610 in its discretion, subject to the terms of the Activin E License Agreement, and for all costs for all activities related to, the development, manufacture and commercialization of IBIO-610 worldwide. In consideration for the rights and licenses granted by AstralBio to the Company in the Activin E License Agreement, the Company paid AstralBio (i) an upfront license fee in the amount of $750,000 within thirty days of the effective date of the Activin E License Agreement, which was paid by using a one-time credit equal to $750,000 (the “Credit”) provided by AstralBio pursuant to a collaboration the Company entered into with AstralBio in March 2024 in exchange for the Company identifying and creating an antibody against an undisclosed exclusive target for AstralBio, and (ii) upon the occurrence of specified developmental and commercial milestones, milestone payments of up to a total of $28 million, which can be paid by cash or, provided the Company remains listed on the Nasdaq Capital Market (“Nasdaq”) or another national stock exchange at the time of the payment, by issuing shares of the Company’s Common Stock, subject to approval of the issuance of any such shares by Nasdaq, and provided, however, in no event shall AstralBio be issued, pursuant to the Activin E License Agreement, more than 19.9% of the total number of shares of the Company’s Common Stock as of the date of entering into the Activin E License Agreement. In the event the Company sublicenses IBIO-610 or a product that includes IBIO-610, the Company will pay AstralBio a sublicense fee, which fee is a range of a low to mid-single-digit percentage based on the proceeds of the sublicense fees to a third party. Otsuka On February 25, 2024, the Company entered into an asset purchase agreement (the “PD-1 Purchase Agreement”) with Otsuka Pharmaceutical Co., Ltd. (“Otsuka”) pursuant to which the Company sold and assigned to Otsuka, and Otsuka purchased and assumed, all intellectual property rights directly related to the Company’s PD-1 Assets (as defined in the PD-1 Purchase Agreement) developed or held for development. The Company received an upfront payment of $1.0 million in cash at closing which is reported as a gain in the fiscal year ended June 30, 2024. The Company is also eligible to receive additional contingent cash payments totaling up to $52.5 million upon the achievement of certain pre-specified clinical development and commercial milestones. The Company will recognize the potential milestone payments at the earlier of when the contingent consideration is realized or is realizable. ​ Affiliates of Eastern Capital Limited On November 1, 2021, the Company and its subsidiary, iBio CDMO LLC (“iBio CDMO”, and collectively with the Company, the “Purchaser”) entered into a series of agreements (the “Transaction”) with College Station Investors LLC (“College Station”), and Bryan Capital Investors LLC (“Bryan Capital” and, collectively with College Station, “Seller”), each affiliates of Eastern Capital Limited (“Eastern,” a former significant stockholder of the Company) described in more detail below whereby in exchange for a certain cash payment and a warrant the Company:
| (i) | acquired both the manufacturing facility (the “Facility”) where iBio CDMO at that time and currently conducts business and also the rights as the tenant in the Facility’s ground lease;
| (ii) | acquired all of the equity owned by one of the affiliates of Eastern in the Company and iBio CDMO; and
| (iii) | otherwise terminated all agreements between the Company and the affiliates of Eastern.
The Facility is a life sciences building located on land owned by the Board of Regents of the Texas A&M University System (“Texas A&M”) and is designed and equipped for the manufacture of plant-made biopharmaceuticals. iBio CDMO had held a sublease for the Facility through 2050, subject to extension until 2060 (the “Sublease”) until the consummation of the sale of the Facility. The Purchase and Sale Agreement On November 1, 2021, the Purchaser entered into a purchase and sale agreement (the “PSA”) with the Seller pursuant to which: (i) the Seller sold to Purchaser all of its rights, title and interest as the tenant in the Ground Lease Agreement that it entered into with Texas A&M (the “Landlord”) related to the land at which the Facility is located together with all improvements pertaining thereto (the “Ground Lease Property”), which previously had been the subject of the Sublease; (ii) the Seller sold to Purchaser all of its rights, title and interest to any tangible personal property owned by Seller and located on the Ground Lease Property including the Facility; (iii) the Seller sold to Purchaser all of its rights, title and interest to all licensed, permits and authorization for use of the Ground Lease Property; and (iv) College Station and iBio CDMO terminated the Sublease. The total purchase price for the Ground Lease Property, the termination of the Sublease and other agreements among the parties, and the equity described below is $28,750,000, which was paid $28,000,000 in cash and by the issuance to Seller of warrants (the “Warrant”) described below. As part of the transaction, iBio CDMO became the tenant under the Ground Lease Agreement for the Ground Lease Property until 2060 upon exercise of available extensions. The base rent payable under the Ground Lease Agreement, which was $151,450 for the prior year, is 6.5% of the Fair Market Value (as defined in the Ground Lease Agreement) of the land. The Ground Lease Agreement included various covenants, indemnities, defaults, termination rights, and other provisions customary for lease transactions of this nature. In the fiscal year ended June 30, 2024, the assets acquired were sold and the Ground Lease Agreement was terminated. The Credit Agreement In connection with the PSA, iBio CDMO entered into a Credit Agreement, dated November 1, 2021, with Woodforest pursuant to which Woodforest provided iBio CDMO a $22,375,000 secured term loan to purchase the Facility (the “Term Loan”), which Term Loan was evidenced by a term note (the “Term Note”). The Term Loan was advanced in full on the closing date. See Note 15 – Stockholders’ Equity for additional information. The Warrant As part of the consideration for the purchase and sale of the rights set forth above, the Company issued Bryan Capital a Warrant to purchase 2,579 shares of Common Stock at an exercise price of $665 per share. The Warrant expires on October 10, 2026, is exercisable immediately, provides for a cashless exercise at any time and automatic cashless exercise on the expiration date if on such date the exercise price of the Warrant exceeds its fair market value as determined in accordance with the terms of the Warrant and adjustments in the case of stock dividends and stock splits. Of the total shares that can be exercised under the Warrant, 579 of such shares were valued at $217,255 to reflect the final payment of rent due under the Sublease. The Warrant, as shown on the consolidated statements of equity, was recorded in additional paid-in capital with the corresponding activity included in the basis of the purchase price allocation of the Ground Lease Property acquired. See Note 15 – Stockholders’ Equity for additional information. RubrYc On August 23, 2021, the Company entered into a series of agreements with RubrYc Therapeutics, Inc. (“RubrYc”) described in more detail below: ​ Collaboration and License Agreement The Company entered into a collaboration and licensing agreement (the “RTX-003 License Agreement”) with RubrYc to further develop RubrYc’s immune-oncology antibodies in its RTX-003 campaign. The RTX-003 License Agreement was terminated when the Company acquired substantially all of the assets of RubrYc in September 2022. ​ Collaboration, Option and License Agreement ​ The Company entered into an agreement with RubrYc (the “Collaboration, Option and License Agreement”) to collaborate for up to five years to discover and develop novel antibody therapeutics using RubrYc’s artificial intelligence discovery platform. With the exception of any obligations that survive the termination, the Collaboration, Option and License Agreement was terminated when the Company acquired substantially all of the assets of RubrYc in September 2022. ​ Stock Purchase Agreement ​ In connection with the entry into the Collaboration, Option and License Agreement and RTX-003 License Agreement, the Company also entered into a Stock Purchase Agreement (“Stock Purchase Agreement”) with RubrYc whereby the Company purchased a total of 2,864,345 shares of RubrYc’s Series A-2 preferred stock (“Series A-2 Preferred”) for $7,500,000. The Company accounted for the agreements as an asset purchase and allocated the purchase price of $7,500,000 as follows: ​
​ | ​ | ​ | ​
Preferred stock | ​ | $ | 1,760,000
Intangible assets | ​ | ​ | 4,300,000
Prepaid expenses | ​ | ​ | 1,440,000
​ | ​ | $ | 7,500,000
​ On September 16, 2022, the Company entered an asset purchase agreement with RubrYc (the “Asset Purchase Agreement”) pursuant to which it acquired substantially all of the assets of RubrYc. The Company issued 5,117 shares of the Common Stock to RubrYc with an approximate market value of $1,000,000 (the “Closing Shares”). Pursuant to the Asset Purchase Agreement, the shares were subject to an initial lockup period and the estimated fair value was calculated as $650,000. The Company also agreed to make potential additional payments of up to $5,000,000 upon the achievement of specified developmental milestones on or before the fifth anniversary of the closing date, payable in cash or shares of the Common Stock, at the Company’s option. In addition, the Company had advanced RubrYc $484,000 to support their operation costs during the negotiation period and incurred transaction costs totaling $208,000, which were also capitalized as part of the assets acquired. The assets acquired include the patented AI drug discovery platform, all rights with no future milestone payments or royalty obligations, to IBIO-101, in addition to CCR8, EGFRvIII, MUC16, CD3 and one additional immuno-oncology candidate plus a PD-1 agonist. The Asset Purchase Agreement contained representations, warranties and covenants of RubrYc and the Company. The acquisition closed on September 19, 2022 after receipt of approval of the NYSE American. ​ Subsequently after the Company acquired substantially all of the assets of RubrYc in September 2022, RubrYc ceased its operations in June 2023. The Company recorded an impairment of the investment in the amount of $1,760,000 during the year ended June 30, 2022 which was recorded in the consolidated statement of operations and comprehensive loss under general and administrative expense. The Company also recorded an impairment of current and non-current prepaid expense of $288,000 and $864,000, respectively, during the year ended June 30, 2022. The amount was recorded in the consolidated statement of operations and comprehensive loss under research and development expense. ​ The Company accounted for the agreements as an asset purchase and allocated the purchase price of approximately $1,342,000 as follows: ​
​ | ​ | ​ | ​
Intangible assets | ​ | $ | 1,228,000
Fixed assets | ​ | ​ | 114,000
​ | ​ | $ | 1,342,000
​ In addition, the Company assumed three equipment leases that were accounted for as finance leases totaling approximately $814,000. See Note 8 – Finance Lease ROU Assets and Note 13 – Finance Lease Obligations for additional information.

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