Commitments and Contingencies	3 Months Ended
Mar. 31, 2026
Commitments and Contingencies Disclosure [Abstract]
Commitments and Contingencies	Commitments and Contingencies Contractual Obligations As of March 31, 2026, the Company has non-cancelable contractual obligations under certain agreements related to its development programs for vidofludimus calcium totaling approximately $1.0 million, all of which is expected to be paid in 2026. Other Commitments and Obligations Royalty Payable Pursuant to the Royalty Exchange Agreement, the Participating Series B Holders exchanged an aggregate of 5,108,700 Series B Warrants for a pro rata share of an aggregate 5% synthetic royalty on future sales of the Company’s vidofludimus calcium program in any country. Daiichi Sankyo Agreement On January 5, 2020, the Company exercised its option to obtain the exclusive worldwide right to commercialization of IMU-856. Among other things, the option exercise grants Immunic AG the rights to Daiichi Sankyo’s patent application related to IMU-856, for which the Company received a notice of allowance from the U.S. Patent & Trademark Office in August 2022. In connection with the option exercise, the Company paid a one-time upfront licensing fee to Daiichi Sankyo. Under the Daiichi Sankyo Agreement, Daiichi Sankyo is also eligible to receive future development, regulatory and sales milestone payments, as well as royalties related to IMU-856. Ludwig-Maximilians-University Agreements Effective June 30, 2025 and November 11, 2025, Immunic AG entered into licensing agreements with the Ludwig-Maximilians-University, Munich, Germany, for an exclusive license to develop, manufacture and commercialize products derived for a series of new molecules for treating neuroinflammatory diseases. Under the agreement, the Ludwig-Maximilians-University is entitled to receive future development, regulatory and sales milestone payments related to these molecules, none of which have been earned as of March 31, 2026. Legal Proceedings The Company is not currently a party to any litigation, nor is it aware of any pending or threatened litigation, that it believes would materially affect its business, operating results, financial condition or cash flows. However, its industry is characterized by frequent claims and litigation including securities litigation, claims regarding patent and other intellectual property rights and claims for product liability. As a result, in the future, the Company may be involved in various legal proceedings from time to time.

As of March 31, 2026, the Company has non-cancelable contractual obligations under certain agreements related to its development programs for vidofludimus calcium totaling approximately $1.0 million, all of which is expected to be paid in 2026.

Pursuant to the Royalty Exchange Agreement, the Participating Series B Holders exchanged an aggregate of 5,108,700 Series B Warrants for a pro rata share of an aggregate 5% synthetic royalty on future sales of the Company’s vidofludimus calcium program in any country.

On January 5, 2020, the Company exercised its option to obtain the exclusive worldwide right to commercialization of IMU-856. Among other things, the option exercise grants Immunic AG the rights to Daiichi Sankyo’s patent application related to IMU-856, for which the Company received a notice of allowance from the U.S. Patent & Trademark Office in August 2022. In connection with the option exercise, the Company paid a one-time upfront licensing fee to Daiichi Sankyo. Under the Daiichi Sankyo Agreement, Daiichi Sankyo is also eligible to receive future development, regulatory and sales milestone payments, as well as royalties related to IMU-856.

Effective June 30, 2025 and November 11, 2025, Immunic AG entered into licensing agreements with the Ludwig-Maximilians-University, Munich, Germany, for an exclusive license to develop, manufacture and commercialize products derived for a series of new molecules for treating neuroinflammatory diseases. Under the agreement, the Ludwig-Maximilians-University is entitled to receive future development, regulatory and sales milestone payments related to these molecules, none of which have been earned as of March 31, 2026.

The Company is not currently a party to any litigation, nor is it aware of any pending or threatened litigation, that it believes would materially affect its business, operating results, financial condition or cash flows. However, its industry is characterized by frequent claims and litigation including securities litigation, claims regarding patent and other intellectual property rights and claims for product liability. As a result, in the future, the Company may be involved in various legal proceedings from time to time.