Form 8-K

8-K — iBio, Inc.

Accession: 0001104659-26-059408

Filed: 2026-05-12

Period: 2026-05-12

CIK: 0001420720

SIC: 2834 (PHARMACEUTICAL PREPARATIONS)

Item: Results of Operations and Financial Condition

Item: Financial Statements and Exhibits

Documents

8-K — ibio-20260512x8k.htm (Primary)

EX-99.1 (ibio-20260512xex99d1.htm)

XML — IDEA: XBRL DOCUMENT (R1.htm)

8-K

8-K (Primary)

Filename: ibio-20260512x8k.htm · Sequence: 1

iBio, Inc._May 12, 2026

0001420720false00014207202026-05-122026-05-12

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

Date of Report (date of earliest event reported): May 12, 2026

iBio, Inc.

(Exact name of registrant as specified in charter)

Delaware

(State or other jurisdiction of incorporation)

001-35023

26-2797813

(Commission File Number)

(IRS Employer Identification No.)

11750 Sorrento Valley Road Suite 200

San Diego, California 92121

(Address of principal executive offices and zip code)

(979) 446-0027

(Registrant’s telephone number including area code)

N/A

(Former Name and Former Address)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of registrant under any of the following provisions:

☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐ Soliciting material pursuant to Rule 14a-12(b) under the Exchange Act (17 CFR 240.14a-12)

☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each class

Trading Symbol(s)

Name of each exchange on which registered

Common Stock, $0.001 par value per share

IBIO

The Nasdaq Stock Market LLC

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company ☐

If an emerging growth company, indicate by checkmark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.

Item 2.02. Results of Operations and Financial Condition.

On May 12, 2026, iBio, Inc. (the “Company”) issued a press release announcing its financial results for the quarter ended March 31, 2026. A copy of the press release is furnished as Exhibit 99.1 to this Current Report on Form 8-K.

The information in this Item 2.02 and in the press release attached as Exhibit 99.1 to this Current Report on Form 8-K shall not be deemed to be “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liabilities of that section or Sections 11 and 12(a)(2) of the Securities Act of 1933, as amended. The information contained in this Item 2.02 and in the press release attached as Exhibit 99.1 to this Current Report on Form 8-K shall not be incorporated by reference into any filing with the U.S. Securities and Exchange Commission made by the Company, whether made before or after the date hereof, regardless of any general incorporation language in such filing.

Item 9.01. Financial Statements and Exhibits.

(d) Exhibits

Exhibit No.

Description

99.1

Press Release, issued by iBio, Inc. dated May 12, 2026

104

Cover Page Interactive Data File (embedded within the Inline XBRL document)

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, as amended, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

Date: May 12, 2026

IBIO, INC.

By:

/s/ Marc A. Banjak

Name:

Marc A. Banjak

Title:

Chief Legal Officer

EX-99.1

Filename: ibio-20260512xex99d1.htm · Sequence: 2

Exhibit 99.1

iBio Reports Q3 Fiscal Year 2026 Financial Results and Provides Corporate Update

Received regulatory clearance to initiate its phase 1 clinical trial of IBIO-600 in Australia

Announced a strategic pipeline expansion into pulmonary hypertension associated with heart failure with preserved ejection fraction (PH-HFpEF) of its bispecific antibody

Reported new preclinical data from its obese non-human primate (NHP) study evaluating IBIO-610, with visceral fat reduced by 6.7% and total fat mass by 5.2%

San Diego, California / May 12, 2026 / (GLOBE NEWSWIRE) / iBio, Inc. (NASDAQ:IBIO), an AI-driven innovator developing therapies for cardiometabolic, obesity and cardiopulmonary diseases, today reported financial results for the third quarter ended Mar. 31, 2026, and provided a corporate update on its progress.

“This last quarter was marked by significant advancement across our full pipeline. Most importantly, we received the clearance to enter the clinic with IBIO-600, which we believe has best-in-class potential due to its ability to preserve lean mass and improve body composition in obesity,” said Martin Brenner, D.V.M., Ph.D., Chief Executive Officer and Chief Scientific Officer of iBio. “We also presented new data for IBIO-610 demonstrating targeted reduction of total and visceral fat in obese non-human primates (NHPs) and expanded our pipeline with our selective bispecific antibody designed to block Activin A, GDF8 (myostatin) and GDF11, potentially to treat PH-HFpEF, which represents a high unmet need. Together, these milestones continue to demonstrate the significant potential of our platform and our commitment to developing differentiated therapies to meaningfully impact the lives of patients.”

Third Fiscal Quarter 2026 & Recent Corporate Updates:

• Announced receipt of Clinical Trial Notification (CTN) acknowledgement from Australia’s Therapeutic Goods Administration (TGA) and Human Research Ethics Committee (HREC) approval to initiate a first-in-human Phase 1 clinical trial of IBIO-600, a long-acting anti-myostatin monoclonal antibody designed to preserve lean mass and improve body composition. The randomized, double-blind, placebo-controlled, single ascending dose study will evaluate safety, tolerability, pharmacokinetics, and pharmacodynamics of IBIO-600 in overweight and obese adults, with first participant dosing expected in the second quarter of calendar 2026.

• Announced a strategic pipeline expansion into pulmonary hypertension associated with heart failure with preserved ejection fraction (PH-HFpEF). iBio is engineering a selective bispecific antibody designed to block Activin A, GDF8 (myostatin), and GDF11 to reduce cardiac fibrosis, reverse pulmonary vascular remodeling, and improve whole body functional capacity, while avoiding safety issues linked to broader TGFβ ligand blockade.

• Presented new preclinical data from its obese non-human primate (NHP) study evaluating IBIO-610, potentially a first-in-class Activin E antibody candidate. The preclinical body composition data demonstrate IBIO-610 reduced fat mass in obese NHPs compared to vehicle-treated obese NHPs, in a small, not statistically powered study. Following two once-every-eight-week dosing, IBIO-610

reduced visceral fat by 6.7% and total fat mass by 5.2%, with only a slight increase in lean mass following treatment.

• Delivered an oral presentation at Drug R&D on February 24, 2026, titled “Accelerating Antibody Drug Discovery with Artificial Intelligence.”

• Delivered a company presentation at Biocom California’s Global Life Science Partnering & Investor Conference on February 25, 2026.

• Participated in fireside chats at the Leerink Global Healthcare Conference and the Oppenheimer 36th Annual Healthcare Life Sciences Conference.

Financial Results:

No revenue was recognized for the three months ended March 31, 2026 and 2025.

Research and Development (“R&D”) expenses for the three months ended March 31, 2026, and March 31, 2025, were $3.3 million and $1.9 million, respectively, an increase of approximately $1.4 million. The increase in R&D expenses is primarily due to increased spending for consultants and outside services supporting the Company’s R&D efforts, including conducting the NHP studies and CMC activities, and an increase in personnel costs as a result of advancing research activities for the Company’s IBIO-600 and IBIO-610 programs and other preclinical pipeline assets.

General and Administrative expenses for the three months ending March 31, 2026, and March 31, 2025, were approximately $5.1 million and $3 million, respectively, an increase of $2.1 million. The increase is primarily attributable to the impairment of the Company’s indefinite-lived intangible asset IBIO-101 of $2.5 million offset by lower IT related costs and franchise taxes.

iBio held cash, cash equivalents and investments in debt securities of $74.8 million as of March 31, 2026. In addition, in the fourth quarter of fiscal year 2026, the Company received gross proceeds of approximately $17 million from warrant exercises extending the Company’s cash runway into fourth quarter of fiscal year 2028.

About iBio, Inc.

iBio (Nasdaq: IBIO) is a cutting-edge biotech company leveraging AI and advanced computational biology to develop next-generation biopharmaceuticals for cardiometabolic and cardiopulmonary diseases, obesity, cancer and other hard-to-treat diseases. By combining proprietary 3D modeling with innovative drug discovery platforms, iBio is creating a pipeline of breakthrough antibody treatments to address significant unmet medical needs. iBio’s mission is to transform drug discovery, accelerate development timelines, and unlock new possibilities in precision medicine. For more information, visit www.ibioinc.com or follow iBio on LinkedIn.

FORWARD-LOOKING STATEMENTS

Certain statements in this press release constitute “forward-looking statements” within the meaning of the federal securities laws. Words such as “may,” “might,” “will,” “should,” “believe,” “expect,” “anticipate,” “estimate,” “continue,” “predict,” “forecast,” “project,” “plan,” “intend” or similar expressions, or statements regarding intent, belief, or current expectations, are forward-looking statements. These forward-looking statements are based upon current estimates and assumptions and include statements

regarding the potential of IBIO-600 to be best-in-class; IBIO-600’s ability to preserve lean mass and improve body composition in obesity; the significant potential of the Company’s platform and its commitment to developing differentiated therapies to meaningfully impact the lives of patients; initiation of a first-in-human Phase 1 clinical trial of IBIO-600, the potential of IBIO-600 to be a best-in-class, long-acting anti-myostatin monoclonal antibody; evaluation of the safety, tolerability, pharmacokinetics, and pharmacodynamics of IBIO-600 in overweight and obese adults in a randomized, double-blind, placebo-controlled, single ascending dose study; the dosing of the first participant in the IBIO-600 Phase 1 clinical trial in the second quarter of calendar 2026; iBio’s engineering of a selective bispecific antibody designed to block Activin A, GDF8 (myostatin), and GDF11; the selective bispecific antibody reducing cardiac fibrosis, reversing pulmonary vascular remodeling, and improving whole body functional capacity, while avoiding safety issues linked to broader TGFβ ligand blockade; the potential of IBIO-610 to be a first-in-class Activin E antibody candidate; the net proceeds of the warrant exercises in the fourth quarter of fiscal year 2026 extending the Company’s cash runway into fourth quarter of fiscal year 2028; the Company’s ability to leverage AI and advanced computational biology to develop next-generation biopharmaceuticals for cardiometabolic and cardiopulmonary diseases, obesity, cancer and other hard-to-treat diseases; iBio’s ability to combine its proprietary 3D modeling with its innovative drug discovery platforms to create a pipeline of breakthrough antibody treatments to address significant unmet medical needs; and iBio’s ability to transform drug discovery, accelerate development timelines, and unlock new possibilities in precision medicine. While iBio believes these forward-looking statements are reasonable, undue reliance should not be placed on any such forward-looking statements, which are based on information available to us on the date of this release. These forward-looking statements are subject to various risks and uncertainties, many of which are difficult to predict that could cause actual results to differ materially from current expectations and assumptions from those set forth or implied by any forward-looking statements. Important factors that could cause actual results to differ materially from current expectations include, among others, the ability of iBio to initiate a first-in-human Phase 1 clinical trial of IBIO-600, with the dosing of the first participant in the IBIO-600 Phase 1 clinical trial in the second quarter of calendar 2026; iBio’s ability to obtain regulatory approvals for commercialization of its product candidates, or to comply with ongoing regulatory requirements; regulatory limitations relating to iBio’s ability to promote or commercialize its product candidates for specific indications; acceptance of iBio’s product candidates in the marketplace and the successful development, marketing or sale of products; and whether iBio will incur unforeseen expenses or liabilities or other market factors; and the other factors discussed in iBio’s filings with the SEC including its Annual Report on Form 10-K for the year ended June 30, 2025 and its subsequent filings with the SEC on Forms 10-Q and 8-K. The information in this release is provided only as of the date of this release, and iBio undertakes no obligation to update any forward-looking statements contained in this release on account of new information, future events, or otherwise, except as required by law.

Contact:

iBio, Inc.

Investor Relations

ir@ibioinc.com

Ignacio Guerrero-Ros, Ph.D., or David Schull

Russo Partners, LLC

Ignacio.guerrero-ros@russopartnersllc.com

David.schull@russopartnersllc.com

(858) 717-2310 or (646) 942-5604

iBio, Inc. and Subsidiaries

Condensed Consolidated Statements of Operations and Comprehensive Loss

(Unaudited; in thousands, except per share amounts)

Three Months Ended

Nine Months Ended

March 31,

2026

2025

2026

2025

Revenue

—

100

200

Operating expenses:

Research and development

3,254

1,906

11,084

5,088

General and administrative

5,111

2,973

12,777

8,516

Total operating expenses

8,365

4,879

23,861

13,604

Operating loss

(8,365)

(4,879)

(23,761)

(13,404)

Other income (expense):

Interest income

657

1,417

358

Interest expense

(22)

(54)

(99)

(168)

Total other income (expense)

635

1,318

190

Net loss

(7,730)

(4,861)

(22,443)

(13,214)

Comprehensive loss:

Net loss

(7,730)

(4,861)

(22,443)

(13,214)

Other comprehensive loss - unrealized loss on debt securities

(31)

—

(21)

—

Comprehensive loss

(7,761)

(4,861)

(22,464)

(13,214)

Loss per common share - basic and diluted

(0.06)

(0.49)

(0.25)

(1.44)

Weighted-average common shares outstanding - basic and diluted - see Note 16

119,600

9,862

90,295

9,202

iBio, Inc. and Subsidiaries

Condensed Consolidated Balance Sheets

(In thousands, except share and per share amounts)

March 31,

June 30,

2026

2025

(Unaudited)

Assets

Current assets:

Cash and cash equivalents

47,631

8,582

Accounts receivable - trade, net of allowance for credit losses of $65 and $0 as of March 31, 2026 and June 30, 2025, respectively

—

Investments in debt securities (adjusted cost $27,187 and $0, respectively - see Note 6)

27,166

—

Subscription receivable

—

105

Prepaid expenses and other current assets

2,454

1,034

Total Current Assets

77,251

9,721

Restricted cash

228

210

Promissory note receivable

1,157

1,098

Finance lease right-of-use assets, net of accumulated amortization

—

Operating lease right-of-use asset

1,766

2,051

Fixed assets, net of accumulated depreciation

3,310

3,163

Intangible assets, net of accumulated amortization

1,830

6,848

Prepaid expenses - noncurrent

282

—

Security deposits

Total Assets

85,834

23,185

Liabilities and Stockholders’ Equity

Current liabilities:

Accounts payable

3,035

2,188

Accrued expenses

1,787

1,345

Finance lease obligations

—

Operating lease obligation - current portion

532

490

Equipment financing payable - current portion

—

Term promissory note

—

766

Contract liabilities

1,150

1,200

Total Current Liabilities

6,504

6,106

Operating lease obligation - net of current portion

1,793

2,199

Total Liabilities

8,297

8,305

Stockholders’ Equity

Preferred Stock - $0.001 par value; 1,000,000 shares authorized; 0 shares issued and outstanding (see Note 15 - Stockholders’ Equity)

—

Common Stock - $0.001 par value; 275,000,000 shares authorized; 34,543,561 and 19,349,201 shares issued and outstanding as of March 31, 2026 and June 30, 2025, respectively

Additional paid-in capital

432,190

347,085

Accumulated other comprehensive loss

(21)

—

Accumulated deficit

(354,667)

(332,224)

Total Stockholders’ Equity

77,537

14,880

Total Liabilities and Stockholders’ Equity

85,834

23,185

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