IBIO

iBio, Inc._February 10, 2026 0001420720false00014207202026-02-102026-02-10 ​ ​

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): February 10, 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 February 10, 2026, iBio, Inc. (the “Company”) issued a press release announcing its financial results for the quarter ended December 31, 2025. 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. The following exhibit is furnished with this Current Report on Form 8-K.

Exhibit Number ​ ​ ​ Exhibit Description

99.1 ​ Press Release, issued by iBio, Inc. dated February 10, 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: February 10, 2026

IBIO, INC.

​ By: /s/ Marc A. Banjak

Name: Marc A. Banjak

​ ​ Title: Chief Legal Officer

​ ​ ​

iBio, Inc._November 12, 2025 0001420720false00014207202025-11-122025-11-12 ​ ​

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): November 12, 2025 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 November 12, 2025, iBio, Inc. (the “Company”) issued a press release announcing its financial results for the quarter ended September 30, 2025. 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. The following exhibit is furnished with this Current Report on Form 8-K.

Exhibit Number

Exhibit Description

99.1 ​ Press Release, issued by iBio, Inc. dated November 12, 2025

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: November 12, 2025

IBIO, INC.

​ By: /s/ Marc A. Banjak

Name: Marc A. Banjak

​ ​ Title: Chief Legal Officer

​ ​ ​

iBio, Inc._September 5, 2025 0001420720false00014207202025-09-052025-09-05 ​ ​

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): September 5, 2025 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 September 5, 2025, iBio, Inc. (the “Company”) issued a press release announcing its financial results for the fiscal year ended June 30, 2025. 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. The following exhibit is furnished with this Current Report on Form 8-K. ​

​

​

Exhibit Number

Exhibit Description

99.1 ​ Press Release, issued by iBio, Inc. dated September 5, 2025

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: September 5, 2025

IBIO, INC.

​

​ By: /s/ Marc A. Banjak

​ ​ Name: Marc A. Banjak

​ ​ Title: Chief Legal Counsel

​ ​