IMUX · Immunic, Inc.

The options vest in monthly increments over a period of three years from the grant date.

The option vests in monthly increments over a period of one year from the grant date.

The option vests in monthly increments over a period of one year from the grant date.

The option vests in monthly increments over a period of one year from the grant date.

The option vests in monthly increments over a period of one year from the grant date.

The option vests in monthly increments over a period of one year from the grant date.

Represents options to purchase shares of common stock conditionally approved by the Board of Directors on March 27, 2026, subject to approval of an amendment to the Company's 2019 Omnibus Equity Incentive Plan, as amended, by the Company's stockholders, which approval was obtained at the Company's 2026 Annual Meeting of Stockholders held on June 29, 2026.

The option is fully vested as of March 27, 2026.

Represents options to purchase shares of common stock conditionally approved by the Board of Directors, subject to approval of an amendment to the Company's 2019 Omnibus Equity Incentive Plan, as amended, by the Company's stockholders, which approval was obtained at the Company's 2026 Annual Meeting of Stockholders held on June 29, 2026.

The shares underlying this option vest 25% on April 2, 2027, and the remainder vest in equal increments on each successive one-month anniversary thereafter for the next thirty-six months.

Represents options to purchase shares of common stock conditionally approved by the Board of Directors on March 27, 2026, subject to approval of an amendment to the Company's 2019 Omnibus Equity Incentive Plan, as amended, by the Company's stockholders, which approval was obtained at the Company's 2026 Annual Meeting of Stockholders held on June 29, 2026.

The option is fully vested as of March 27, 2026.

Represents options to purchase shares of common stock conditionally approved by the Board of Directors on March 27, 2026, subject to approval of an amendment to the Company's 2019 Omnibus Equity Incentive Plan, as amended, by the Company's stockholders, which approval was obtained at the Company's 2026 Annual Meeting of Stockholders held on June 29, 2026.

The options vest in thirty-six (36) equal installments on each monthly anniversary of March 27, 2026.

Represents options to purchase shares of common stock conditionally approved by the Board of Directors on May 15, 2026, subject to approval of an amendment to the Company's 2019 Omnibus Equity Incentive Plan, as amended, by the Company's stockholders, which approval was obtained at the Company's 2026 Annual Meeting of Stockholders held on June 29, 2026.

The options vest in thirty-six (36) equal installments on each monthly anniversary of May 15, 2026.

Represents options to purchase shares of common stock conditionally approved by the Board of Directors on March 27, 2026, subject to approval of an amendment to the Company's 2019 Omnibus Equity Incentive Plan, as amended, by the Company's stockholders, which approval was obtained at the Company's 2026 Annual Meeting of Stockholders held on June 29, 2026.

The option is fully vested as of March 27, 2026.

Represents options to purchase shares of common stock conditionally approved by the Board of Directors, subject to approval of an amendment to the Company's 2019 Omnibus Equity Incentive Plan, as amended, by the Company's stockholders, which approval was obtained at the Company's 2026 Annual Meeting of Stockholders held on June 29, 2026.

The shares underlying this option vest 25% on April 2, 2027, and the remainder vest in equal increments on each successive one-month anniversary thereafter for the next thirty-six months.

Represents options to purchase shares of common stock conditionally approved by the Board of Directors, subject to approval of an amendment to the Company's 2019 Omnibus Equity Incentive Plan, as amended, by the Company's stockholders, which approval was obtained at the Company's 2026 Annual Meeting of Stockholders held on June 29, 2026.

The shares underlying this option vest 25% on April 2, 2027, and the remainder vest in equal increments on each successive one-month anniversary thereafter for the next thirty-six months.

Represents options to purchase shares of common stock conditionally approved by the Board of Directors on March 27, 2026, subject to approval of an amendment to the Company's 2019 Omnibus Equity Incentive Plan, as amended, by the Company's stockholders, which approval was obtained at the Company's 2026 Annual Meeting of Stockholders held on June 29, 2026.

The option is fully vested as of March 27, 2026.

Represents options to purchase shares of common stock conditionally approved by the Board of Directors on March 27, 2026, subject to approval of an amendment to the Company's 2019 Omnibus Equity Incentive Plan, as amended, by the Company's stockholders, which approval was obtained at the Company's 2026 Annual Meeting of Stockholders held on June 29, 2026.

The option is fully vested as of March 27, 2026.

The options disclosed on this Form 4 are time vested; twenty-five percent (25%) of the shares underlying the options awarded to the Reporting Person will vest on May 22, 2027, and the remaining seventy-five percent (75%) vesting on a monthly basis in thirty-six (36) equal installments, subject to the Reporting Person remaining an employee of Immunic, Inc. in good standing through the relevant vesting date. The Reporting Person became a director and a Section 16 insider on June 1, 2026.

The options disclosed on this Form 4 are time vested; 50 percent of the shares underlying the options awarded to the Reporting Person will vest on April 24, 2027, and 50 percent of them will vest in 24 equal monthly installments, subject to the Reporting Person remaining an employee of Immunic, Inc. in good standing through the relevant vesting date.

Exercisable beginning August 1, 2026, subject to the Issuer's issuance of Common Stock or pre-funded warrants to subscribers in connection with the second tranche of the Issuer's January 4, 2024 private placement (the "January 2024 Offering").

The Stock Appreciation Rights ("SARs") could be settled for cash, but it is the intention of the Issuer that these SARs will be settled for shares of the Issuer's common stock, par value $0.0001 per share ("Common Stock") provided the Issuer obtains stockholder approval to amend the Issuer's 2019 Omnibus Equity Incentive Plan, as amended, to provide for a sufficient number of shares of Common Stock to support the settlement of the SARs in shares of Common Stock.

Exercisable beginning August 1, 2026, subject to the Issuer's issuance of Common Stock or pre-funded warrants to subscribers in connection with the third tranche of the January 2024 Offering.

The Stock Appreciation Rights ("SARs") could be settled for cash, but it is the intention of the Issuer that these SARs will be settled for shares of the Issuer's common stock, par value $0.0001 per share ("Common Stock") provided the Issuer obtains stockholder approval to amend the Issuer's 2019 Omnibus Equity Incentive Plan, as amended, to provide for a sufficient number of shares of Common Stock to support the settlement of the SARs in shares of Common Stock.

The Stock Appreciation Rights ("SARs") could be settled for cash, but it is the intention of the Issuer that these SARs will be settled for shares of the Issuer's common stock, par value $0.0001 per share ("Common Stock") provided the Issuer obtains stockholder approval to amend the Issuer's 2019 Omnibus Equity Incentive Plan, as amended, to provide for a sufficient number of shares of Common Stock to support the settlement of the SARs in shares of Common Stock.

Exercisable beginning August 1, 2026, subject to the exercise of the Issuer's series A purchase warrants by the holders thereof.

The Stock Appreciation Rights ("SARs") could be settled for cash, but it is the intention of the Issuer that these SARs will be settled for shares of the Issuer's common stock, par value $0.0001 per share ("Common Stock") provided the Issuer obtains stockholder approval to amend the Issuer's 2019 Omnibus Equity Incentive Plan, as amended, to provide for a sufficient number of shares of Common Stock to support the settlement of the SARs in shares of Common Stock.

Exercisable beginning August 1, 2026, subject to the exercise of the Issuer's series B purchase warrants by the holders thereof.

The Stock Appreciation Rights ("SARs") could be settled for cash, but it is the intention of the Issuer that these SARs will be settled for shares of the Issuer's common stock, par value $0.0001 per share ("Common Stock") provided the Issuer obtains stockholder approval to amend the Issuer's 2019 Omnibus Equity Incentive Plan, as amended, to provide for a sufficient number of shares of Common Stock to support the settlement of the SARs in shares of Common Stock.

Exercisable beginning August 1, 2026, subject to the Issuer's issuance of Common Stock or pre-funded warrants to subscribers in connection with the third tranche of the January 2024 Offering.

The Stock Appreciation Rights ("SARs") could be settled for cash, but it is the intention of the Issuer that these SARs will be settled for shares of the Issuer's common stock, par value $0.0001 per share ("Common Stock") provided the Issuer obtains stockholder approval to amend the Issuer's 2019 Omnibus Equity Incentive Plan, as amended, to provide for a sufficient number of shares of Common Stock to support the settlement of the SARs in shares of Common Stock.

Exercisable beginning August 1, 2026, subject to the exercise of the Issuer's series A purchase warrants by the holders thereof.

The Stock Appreciation Rights ("SARs") could be settled for cash, but it is the intention of the Issuer that these SARs will be settled for shares of the Issuer's common stock, par value $0.0001 per share ("Common Stock") provided the Issuer obtains stockholder approval to amend the Issuer's 2019 Omnibus Equity Incentive Plan, as amended, to provide for a sufficient number of shares of Common Stock to support the settlement of the SARs in shares of Common Stock.

Exercisable beginning August 1, 2026, subject to the Issuer's issuance of Common Stock or pre-funded warrants to subscribers in connection with the second tranche of the Issuer's January 4, 2024 private placement (the "January 2024 Offering").

The Stock Appreciation Rights ("SARs") could be settled for cash, but it is the intention of the Issuer that these SARs will be settled for shares of the Issuer's common stock, par value $0.0001 per share ("Common Stock") provided the Issuer obtains stockholder approval to amend the Issuer's 2019 Omnibus Equity Incentive Plan, as amended, to provide for a sufficient number of shares of Common Stock to support the settlement of the SARs in shares of Common Stock.

Exercisable beginning August 1, 2026, subject to the Issuer's issuance of Common Stock or pre-funded warrants to subscribers in connection with the second tranche of the Issuer's January 4, 2024 private placement (the "January 2024 Offering").

The Stock Appreciation Rights ("SARs") could be settled for cash, but it is the intention of the Issuer that these SARs will be settled for shares of the Issuer's common stock, par value $0.0001 per share ("Common Stock") provided the Issuer obtains stockholder approval to amend the Issuer's 2019 Omnibus Equity Incentive Plan, as amended, to provide for a sufficient number of shares of Common Stock to support the settlement of the SARs in shares of Common Stock.

The Stock Appreciation Rights ("SARs") could be settled for cash, but it is the intention of the Issuer that these SARs will be settled for shares of the Issuer's common stock, par value $0.0001 per share ("Common Stock") provided the Issuer obtains stockholder approval to amend the Issuer's 2019 Omnibus Equity Incentive Plan, as amended, to provide for a sufficient number of shares of Common Stock to support the settlement of the SARs in shares of Common Stock.

Exercisable beginning August 1, 2026, subject to the Issuer's issuance of Common Stock or pre-funded warrants to subscribers in connection with the third tranche of the January 2024 Offering.

The Stock Appreciation Rights ("SARs") could be settled for cash, but it is the intention of the Issuer that these SARs will be settled for shares of the Issuer's common stock, par value $0.0001 per share ("Common Stock") provided the Issuer obtains stockholder approval to amend the Issuer's 2019 Omnibus Equity Incentive Plan, as amended, to provide for a sufficient number of shares of Common Stock to support the settlement of the SARs in shares of Common Stock.

Exercisable beginning August 1, 2026, subject to the exercise of the Issuer's series B purchase warrants by the holders thereof.

The Stock Appreciation Rights ("SARs") could be settled for cash, but it is the intention of the Issuer that these SARs will be settled for shares of the Issuer's common stock, par value $0.0001 per share ("Common Stock") provided the Issuer obtains stockholder approval to amend the Issuer's 2019 Omnibus Equity Incentive Plan, as amended, to provide for a sufficient number of shares of Common Stock to support the settlement of the SARs in shares of Common Stock.

Exercisable beginning August 1, 2026, subject to the exercise of the Issuer's series A purchase warrants by the holders thereof.

The Stock Appreciation Rights ("SARs") could be settled for cash, but it is the intention of the Issuer that these SARs will be settled for shares of the Issuer's common stock, par value $0.0001 per share ("Common Stock") provided the Issuer obtains stockholder approval to amend the Issuer's 2019 Omnibus Equity Incentive Plan, as amended, to provide for a sufficient number of shares of Common Stock to support the settlement of the SARs in shares of Common Stock.

Exercisable beginning August 1, 2026, subject to the exercise of the Issuer's series B purchase warrants by the holders thereof.

The Stock Appreciation Rights ("SARs") could be settled for cash, but it is the intention of the Issuer that these SARs will be settled for shares of the Issuer's common stock, par value $0.0001 per share ("Common Stock") provided the Issuer obtains stockholder approval to amend the Issuer's 2019 Omnibus Equity Incentive Plan, as amended, to provide for a sufficient number of shares of Common Stock to support the settlement of the SARs in shares of Common Stock.

Exercisable beginning August 1, 2026, subject to the exercise of the Issuer's series A purchase warrants by the holders thereof.

The Stock Appreciation Rights ("SARs") could be settled for cash, but it is the intention of the Issuer that these SARs will be settled for shares of the Issuer's common stock, par value $0.0001 per share ("Common Stock") provided the Issuer obtains stockholder approval to amend the Issuer's 2019 Omnibus Equity Incentive Plan, as amended, to provide for a sufficient number of shares of Common Stock to support the settlement of the SARs in shares of Common Stock.

Exercisable beginning August 1, 2026, subject to the Issuer's issuance of Common Stock or pre-funded warrants to subscribers in connection with the third tranche of the January 2024 Offering.

The Stock Appreciation Rights ("SARs") could be settled for cash, but it is the intention of the Issuer that these SARs will be settled for shares of the Issuer's common stock, par value $0.0001 per share ("Common Stock") provided the Issuer obtains stockholder approval to amend the Issuer's 2019 Omnibus Equity Incentive Plan, as amended, to provide for a sufficient number of shares of Common Stock to support the settlement of the SARs in shares of Common Stock.

Exercisable beginning August 1, 2026, subject to the Issuer's issuance of Common Stock or pre-funded warrants to subscribers in connection with the second tranche of the Issuer's January 4, 2024 private placement (the "January 2024 Offering").

The Stock Appreciation Rights ("SARs") could be settled for cash, but it is the intention of the Issuer that these SARs will be settled for shares of the Issuer's common stock, par value $0.0001 per share ("Common Stock") provided the Issuer obtains stockholder approval to amend the Issuer's 2019 Omnibus Equity Incentive Plan, as amended, to provide for a sufficient number of shares of Common Stock to support the settlement of the SARs in shares of Common Stock.

Exercisable beginning August 1, 2026, subject to the Issuer's issuance of Common Stock or pre-funded warrants to subscribers in connection with the third tranche of the January 2024 Offering.

The Stock Appreciation Rights ("SARs") could be settled for cash, but it is the intention of the Issuer that these SARs will be settled for shares of the Issuer's common stock, par value $0.0001 per share ("Common Stock") provided the Issuer obtains stockholder approval to amend the Issuer's 2019 Omnibus Equity Incentive Plan, as amended, to provide for a sufficient number of shares of Common Stock to support the settlement of the SARs in shares of Common Stock.

The Stock Appreciation Rights ("SARs") could be settled for cash, but it is the intention of the Issuer that these SARs will be settled for shares of the Issuer's common stock, par value $0.0001 per share ("Common Stock") provided the Issuer obtains stockholder approval to amend the Issuer's 2019 Omnibus Equity Incentive Plan, as amended, to provide for a sufficient number of shares of Common Stock to support the settlement of the SARs in shares of Common Stock.

The Stock Appreciation Rights ("SARs") could be settled for cash, but it is the intention of the Issuer that these SARs will be settled for shares of the Issuer's common stock, par value $0.0001 per share ("Common Stock") provided the Issuer obtains stockholder approval to amend the Issuer's 2019 Omnibus Equity Incentive Plan, as amended, to provide for a sufficient number of shares of Common Stock to support the settlement of the SARs in shares of Common Stock.

Exercisable beginning August 1, 2026, subject to the exercise of the Issuer's series B purchase warrants by the holders thereof.

The Stock Appreciation Rights ("SARs") could be settled for cash, but it is the intention of the Issuer that these SARs will be settled for shares of the Issuer's common stock, par value $0.0001 per share ("Common Stock") provided the Issuer obtains stockholder approval to amend the Issuer's 2019 Omnibus Equity Incentive Plan, as amended, to provide for a sufficient number of shares of Common Stock to support the settlement of the SARs in shares of Common Stock.

The Stock Appreciation Rights ("SARs") could be settled for cash, but it is the intention of the Issuer that these SARs will be settled for shares of the Issuer's common stock, par value $0.0001 per share ("Common Stock") provided the Issuer obtains stockholder approval to amend the Issuer's 2019 Omnibus Equity Incentive Plan, as amended, to provide for a sufficient number of shares of Common Stock to support the settlement of the SARs in shares of Common Stock.

Exercisable beginning August 1, 2026, subject to the exercise of the Issuer's series A purchase warrants by the holders thereof.

The Stock Appreciation Rights ("SARs") could be settled for cash, but it is the intention of the Issuer that these SARs will be settled for shares of the Issuer's common stock, par value $0.0001 per share ("Common Stock") provided the Issuer obtains stockholder approval to amend the Issuer's 2019 Omnibus Equity Incentive Plan, as amended, to provide for a sufficient number of shares of Common Stock to support the settlement of the SARs in shares of Common Stock.

Exercisable beginning August 1, 2026, subject to the Issuer's issuance of Common Stock or pre-funded warrants to subscribers in connection with the second tranche of the Issuer's January 4, 2024 private placement (the "January 2024 Offering").

The Stock Appreciation Rights ("SARs") could be settled for cash, but it is the intention of the Issuer that these SARs will be settled for shares of the Issuer's common stock, par value $0.0001 per share ("Common Stock") provided the Issuer obtains stockholder approval to amend the Issuer's 2019 Omnibus Equity Incentive Plan, as amended, to provide for a sufficient number of shares of Common Stock to support the settlement of the SARs in shares of Common Stock.

Exercisable beginning August 1, 2026, subject to the exercise of the Issuer's series B purchase warrants by the holders thereof.

The Stock Appreciation Rights ("SARs") could be settled for cash, but it is the intention of the Issuer that these SARs will be settled for shares of the Issuer's common stock, par value $0.0001 per share ("Common Stock") provided the Issuer obtains stockholder approval to amend the Issuer's 2019 Omnibus Equity Incentive Plan, as amended, to provide for a sufficient number of shares of Common Stock to support the settlement of the SARs in shares of Common Stock.

The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $0.83 to $0.84. The Reporting Person (RP) undertakes to provide to the Issuer, any securityholder of the Issuer, or the SEC staff, upon request, information regarding the number of shares purchased at each price.