IMUX

EX-99.1

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Immunic Appoints Elena Ridloff to Board of Directors

– Appointment Strengthens Board with Financial, Capital Markets and Commercial Leadership Expertise as the Company Approaches Pivotal Phase 3 ENSURE Readout in Relapsing Multiple Sclerosis as well as Potential Regulatory Filings and Commercialization –

NEW YORK,

August 10, 2026 – Immunic, Inc. (Nasdaq: IMUX), a late-stage biotechnology company pioneering the development of novel oral therapies for neurologic diseases, today announced the appointment of Elena Ridloff, CFA to its Board of Directors, effective August 6, 2026. Ms. Ridloff brings more than two decades of experience driving financial strategy, corporate growth, and capital markets execution across the biopharmaceutical industry.

“We are excited to welcome Elena to our Board as we enter an important period for Immunic,” commented Michael W. Bonney, Chair of Immunic’s Board of Directors. “Ms. Ridloff is a highly respected biotech executive with a proven track record of helping companies navigate periods of transformational growth. We are delighted to welcome her to the Board and look forward to the valuable insights and perspectives she will bring.”

Erik Lundgren, Chief Executive Officer of Immunic, added, “With top-line data from our Phase 3 ENSURE trials of vidofludimus calcium in relapsing multiple sclerosis (MS) expected by year-end and the planned initiation of our confirmatory Phase 3 program in progressive MS, we are executing towards a series of milestones that have the potential to define Immunic’s next phase of growth. Elena’s experience building and advising high-growth biopharma companies will be invaluable as we continue to unlock vidofludimus calcium’s potential across MS patient populations. I look forward to working closely with her as we move into this next phase.”

Ms. Ridloff brings more than 20 years of leadership experience in finance, corporate development, investor relations, and capital markets across the biopharmaceutical industry. She currently serves as Chief Financial Officer at Sionna Therapeutics. Previously, Ms. Ridloff served as Executive Vice President and Chief Financial Officer of ACADIA Pharmaceuticals, where she led the finance organization and played a key role in the company's commercial growth, business development, pipeline expansion, and successfully raising $600 million in capital. Earlier in her career, she established and led the investor relations function at Alexion Pharmaceuticals, was Chief Executive Officer of BIOVISIO, an independent consulting firm serving the life sciences industry, and served as a Managing Director at Maverick Capital, a hedge fund, leading healthcare and life sciences investments. Ms. Ridloff also serves on the Board of Directors of Kymera Therapeutics, where she chairs the Audit Committee, and previously served on the Board of Directors of Kronos Bio. She holds a B.A. in History and Sociology of Science from the University of Pennsylvania and is a CFA charterholder.

“I am honored to join Immunic’s Board at such an exciting stage in the company’s evolution,” said Ms. Ridloff. ”Immunic has assembled an exceptional team with deep expertise in MS and is advancing a differentiated oral program designed with the potential to become a meaningful franchise opportunity spanning both relapsing and progressive forms of MS. With important clinical milestones ahead, I look forward to working alongside the Board and management team to help advance vidofludimus calcium and support the successful execution of the company’s long-term strategy.”

About Immunic, Inc.

Immunic, Inc. (Nasdaq: IMUX) is a late-stage biotechnology company pioneering the development of novel oral therapies for neurologic diseases. The company’s lead development program, vidofludimus calcium (IMU-838), is currently being evaluated in Phase 3 clinical trials for the treatment of relapsing multiple sclerosis, with top-line data expected to be available by the end of 2026. Initiation of an additional Phase 3 clinical trial in progressive MS is expected later in 2026. Vidofludimus calcium has already shown therapeutic potential and a favorable safety and tolerability profile in Phase 2 clinical trials in relapsing-remitting multiple sclerosis, progressive multiple sclerosis and other diseases. Vidofludimus calcium combines neuroprotective effects, through its mechanism as a first-in-class nuclear receptor-related 1 (Nurr1) activator, with additional anti-inflammatory and anti-viral effects, by selectively inhibiting the enzyme dihydroorotate dehydrogenase (DHODH). The company’s development pipeline also includes earlier-stage programs, including IMU-381 and IMU-856, aimed at building a broader therapeutics platform addressing neurodegenerative and autoimmune diseases. For further information, please visit: www.imux.com.

Cautionary Statement Regarding Forward-Looking Statements

This press release contains “forward-looking statements” t

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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 26, 2026

IMMUNIC, INC.

(Exact name of registrant as specified in its charter)

Delaware 001-36201 56-2358443

(State or other jurisdiction

of incorporation) (Commission File Number) (IRS Employer Identification No.)

1200 Avenue of the Americas, Suite 200

New York, NY 10036

USA

(Address of principal executive offices)

Registrant’s telephone number, including area code: (332) 255-9818

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the 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 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 exchange on which registered

Common Stock, par value $0.0001

IMUX

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 (§ 240.12b2 of this chapter).

Emerging growth company ☐

If an emerging growth company, indicate by check mark 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. Yes ☐ No ☐

Item 2.02. Results of Operations and Financial Condition

On February 26, 2026, Immunic, Inc. (the “Company”) issued a press release, a copy of which is furnished herewith as Exhibit 99.1, announcing the Company’s financial results for the quarter and year ended December 31, 2025 and providing a corporate update (the “Press Release”).

The information contained in Item 2.02 and Item 9.01 of this Current Report on Form 8-K, including the Press Release, shall not be deemed “filed” for the purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liability of that section or Sections 11 and 12(a)(2) of the Securities Act of 1933, as amended. In addition, this information shall not be deemed incorporated by reference into any of the Company’s filings with the Securities and Exchange Commission, except as shall be expressly set forth by specific reference in any such filing.

Item 9.01. Financial Statements and Exhibits

Exhibit

Description

99.1

Press Release, dated February 26, 2026

104

Cover Page to this Current Report on Form 8-K in Inline XBRL

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.

Dated: February 26, 2026 Immunic, Inc.

By: /s/ Daniel Vitt

Daniel Vitt

Chief Executive Officer