STOCK TITAN

Immunic board designee granted 25K stock options

BVF-affiliated entities report a new grant of 25,370 IMMUNIC stock options linked to their board representative, vesting over one year at a $10.12 exercise price.

(Neutral)
(Neutral)
Form Type
4

Rhea-AI Filing Summary

IMMUNIC, INC. (IMUX) reported that investment entities affiliated with Biotechnology Value Fund received a grant of 25,370 stock options on September 16, 2026, indirectly attributable to their board designee, R. Thorvald Nagel. The options have an exercise price of $10.12 per share, vest in monthly increments over one year from the grant date, and expire on September 16, 2036.

The reporting entities and Mark N. Lampert file jointly and each disclaims beneficial ownership except to the extent of pecuniary interest. A prior one-for-ten reverse stock split of IMMUNIC common stock was effective April 27, 2026, and the economic benefit from any sale of shares issuable upon exercise of these options is obligated to be transferred to BVF Partners L.P.

Positive

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Insider BVF PARTNERS L P/IL, BIOTECHNOLOGY VALUE FUND L P, BVF I GP LLC, BIOTECHNOLOGY VALUE FUND II LP, BVF II GP LLC, Biotechnology Value Trading Fund OS LP, BVF Partners OS Ltd., BVF GP HOLDINGS LLC, BVF INC/IL, LAMPERT MARK N
Role Director | Director | Director | Director | Director | Director | Director | Director | Director | Director
Type Security Shares Price Value
Grant/Award Stock Option F1, F6, F7 25,370 $0.00 $0.00
holding Common Stock, $0.0001 par value F1, F2, F3 -- -- --
holding Common Stock, $0.0001 par value F1, F2, F4 -- -- --
holding Common Stock, $0.0001 par value F1, F2, F5 -- -- --
Holdings After Transaction: Stock Option — 25,370 contracts (Indirect, See footnote); Common Stock, $0.0001 par value — 759,067 shares (Direct)
Footnotes (7)
  1. F1. This Form 4 is filed jointly by Biotechnology Value Fund, L.P. ("BVF"), Biotechnology Value Fund II, L.P. ("BVF2"), Biotechnology Value Trading Fund OS LP ("Trading Fund OS"), BVF Partners OS Ltd. ("Partners OS"), BVF I GP LLC ("BVF GP"), BVF II GP LLC ("BVF2 GP"), BVF GP Holdings LLC ("BVF GPH"), BVF Partners L.P. ("Partners"), BVF Inc. and Mark N. Lampert (collectively, the "Reporting Persons"). Each of the Reporting Persons disclaims beneficial ownership of the securities reported herein except to the extent of his or its pecuniary interest therein.
  2. F2. Reflects a one-for-ten reverse stock split of the Issuer's issued and outstanding Common Stock, effective as of April 27, 2026 (the "Stock Split").
  3. F3. Securities owned directly by BVF. As the general partner of BVF, BVF GP may be deemed to beneficially own the securities owned directly by BVF. As the sole member of BVF GP, BVF GPH may be deemed to beneficially own the securities owned directly by BVF. As the investment manager of BVF, Partners may be deemed to beneficially own the securities owned directly by BVF. As the investment adviser and general partner of Partners, BVF Inc. may be deemed to beneficially own the securities owned directly by BVF. As a director and officer of BVF Inc., Mr. Lampert may be deemed to beneficially own the securities owned directly by BVF.
  4. F4. Securities owned directly by BVF2. As the general partner of BVF2, BVF2 GP may be deemed to beneficially own the securities owned directly by BVF2. As the sole member of BVF2 GP, BVF GPH may be deemed to beneficially own the securities owned directly by BVF2. As the investment manager of BVF2, Partners may be deemed to beneficially own the securities owned directly by BVF2. As the investment adviser and general partner of Partners, BVF Inc. may be deemed to beneficially own the securities owned directly by BVF2. As a director and officer of BVF Inc., Mr. Lampert may be deemed to beneficially own the securities owned directly by BVF2.
  5. F5. Securities owned directly by Trading Fund OS. As the general partner of Trading Fund OS, Partners OS may be deemed to beneficially own the securities owned directly by Trading Fund OS. As the investment manager of Trading Fund OS and the sole member of Partners OS, Partners may be deemed to beneficially own the securities owned directly by Trading Fund OS. As the investment adviser and general partner of Partners, BVF Inc. may be deemed to beneficially own the securities owned directly by Trading Fund OS. As a director and officer of BVF Inc., Mr. Lampert may be deemed to beneficially own the securities owned directly by Trading Fund OS.
  6. F6. The option vests in monthly increments over a period of one year from the grant date.
  7. F7. Partners, BVF Inc. and Mr. Lampert may be deemed to have a pecuniary interest in the securities reported owned herein due to a certain agreement between Partners and R. Thorvald Nagel, who serves on the Issuer's board of directors and as a Principal of Partners, pursuant to which Mr. Nagel is obligated to transfer the economic benefit, if any, received upon the sale of the shares issuable upon exercise of the securities reported owned herein to Partners. As such, Mr. Nagel disclaims beneficial ownership of the securities reported herein except to the extent of his pecuniary interest therein.
Stock options granted 25,370 options Grant to BVF-affiliated entities dated September 16, 2026
Exercise price $10.12 per share Exercise price of the 25,370 IMMUNIC stock options
Option expiration date September 16, 2036 Expiration of the granted IMMUNIC stock options
Vesting period 12 months Options vest in monthly increments over one year from September 16, 2026
Reverse stock split ratio 1-for-10 Reverse stock split of IMMUNIC common stock effective April 27, 2026
Reverse stock split effective date April 27, 2026 Date IMMUNIC’s one-for-ten reverse stock split became effective
one-for-ten reverse stock split financial
"Reflects a one-for-ten reverse stock split of the Issuer's issued"
beneficial ownership financial
"Each of the Reporting Persons disclaims beneficial ownership of the"
Beneficial ownership means the person or entity that actually enjoys the benefits of owning shares or other assets — such as receiving dividends, voting rights, or price gains — even if the legal title is held in another name. For investors it matters because knowing who truly controls and profits from a company reveals who can influence decisions, exposes potential conflicts of interest or hidden concentration of power, and affects transparency and risk in the stock.
pecuniary interest financial
"disclaims beneficial ownership of the securities reported herein except to the extent of his or its pecuniary interest"
director by deputization regulatory
"may be deemed to be a director by deputization of the Issuer"
indirect ownership financial
"The option was reported as indirectly owned with nature of ownership"

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What insider transaction did IMUX report involving BVF-affiliated entities?

IMMUNIC, INC. reported that BVF-affiliated entities received a grant of 25,370 stock options on September 16, 2026. These options relate to the service of R. Thorvald Nagel on IMMUNIC’s board and are reported as indirectly owned through BVF Partners L.P. and related entities.

What is the exercise price and term of the new IMUX stock options?

The granted IMMUNIC stock options have an exercise price of $10.12 per share and expire on September 16, 2036. According to the disclosure, the options vest in monthly increments over one year from the September 16, 2026 grant date.

How do the BVF entities and Mark N. Lampert describe their ownership of IMUX securities?

Biotechnology Value Fund entities and Mark N. Lampert state that they file jointly and disclaim beneficial ownership of the IMMUNIC securities except to the extent of their pecuniary interest in them, as described in the joint reporting footnote.

What arrangement affects the economic benefit from the IMUX option grant?

R. Thorvald Nagel, a Principal of BVF Partners L.P. and IMMUNIC director, is obligated by agreement to transfer the economic benefit, if any, from sales of shares issuable upon exercise of the reported options to BVF Partners L.P., giving BVF entities a pecuniary interest.

Did IMMUNIC disclose a recent reverse stock split in this Form 4?

Yes. The filing notes a one-for-ten reverse stock split of IMMUNIC’s issued and outstanding common stock, effective April 27, 2026. This split affects how the reported common stock holdings are reflected but does not change the option grant amount itself.

Were the IMUX insider transactions reported under a Rule 10b5-1 trading plan?

No. The filing’s Rule 10b5-1 checkbox is not marked as affirming that the transactions were made under a Rule 10b5-1 trading plan, and there is no footnote stating that this option grant was executed pursuant to such a plan.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Learn about SEC filing dates
SEC Form 4
FORM 4UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940
OMB APPROVAL
OMB Number:3235-0287
Estimated average burden
hours per response:0.5
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.
1. Name and Address of Reporting Person*
BVF PARTNERS L P/IL

(Last)(First)(Middle)
44 MONTGOMERY STREET
40TH FLOOR

(Street)
SAN FRANCISCO CALIFORNIA 94104

(City)(State)(Zip)

UNITED STATES

(Country)
2. Issuer Name and Ticker or Trading Symbol
IMMUNIC, INC. [ IMUX ]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
XDirector10% Owner
Officer (give title below)XOther (specify below)
See Explanation of Responses
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
09/16/2026
6. Individual or Joint/Group Filing (Check Applicable Line)
Form filed by One Reporting Person
XForm filed by More than One Reporting Person
4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year)2A. Deemed Execution Date, if any (Month/Day/Year)3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4)
CodeVAmount(A) or (D)Price
Common Stock, $0.0001 par value(1)413,595(2)D(3)
Common Stock, $0.0001 par value(1)302,710(2)D(4)
Common Stock, $0.0001 par value(1)42,762(2)D(5)
Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year)3A. Deemed Execution Date, if any (Month/Day/Year)4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 6. Date Exercisable and Expiration Date (Month/Day/Year)7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount or Number of Shares
Stock Option(1)$10.1209/16/2026A25,370 (6)09/16/2036Common Stock, $0.0001 par value25,370$0.0025,370ISee footnote(7)
1. Name and Address of Reporting Person*
BVF PARTNERS L P/IL

(Last)(First)(Middle)
44 MONTGOMERY STREET
40TH FLOOR

(Street)
SAN FRANCISCO CALIFORNIA 94104

(City)(State)(Zip)

UNITED STATES

(Country)

Relationship of Reporting Person(s) to Issuer
XDirector10% Owner
Officer (give title below)XOther (specify below)
See Explanation of Responses
1. Name and Address of Reporting Person*
BIOTECHNOLOGY VALUE FUND L P

(Last)(First)(Middle)
44 MONTGOMERY STREET
40TH FLOOR

(Street)
SAN FRANCISCO CALIFORNIA 94104

(City)(State)(Zip)

UNITED STATES

(Country)

Relationship of Reporting Person(s) to Issuer
XDirector10% Owner
Officer (give title below)XOther (specify below)
See Explanation of Responses
1. Name and Address of Reporting Person*
BVF I GP LLC

(Last)(First)(Middle)
44 MONTGOMERY STREET
40TH FLOOR

(Street)
SAN FRANCISCO CALIFORNIA 94104

(City)(State)(Zip)

UNITED STATES

(Country)

Relationship of Reporting Person(s) to Issuer
XDirector10% Owner
Officer (give title below)XOther (specify below)
See Explanation of Responses
1. Name and Address of Reporting Person*
BIOTECHNOLOGY VALUE FUND II LP

(Last)(First)(Middle)
44 MONTGOMERY STREET
40TH FLOOR

(Street)
SAN FRANCISCO CALIFORNIA 94104

(City)(State)(Zip)

UNITED STATES

(Country)

Relationship of Reporting Person(s) to Issuer
XDirector10% Owner
Officer (give title below)XOther (specify below)
See Explanation of Responses
1. Name and Address of Reporting Person*
BVF II GP LLC

(Last)(First)(Middle)
44 MONTGOMERY STREET
40TH FLOOR

(Street)
SAN FRANCISCO CALIFORNIA 94104

(City)(State)(Zip)

UNITED STATES

(Country)

Relationship of Reporting Person(s) to Issuer
XDirector10% Owner
Officer (give title below)XOther (specify below)
See Explanation of Responses
1. Name and Address of Reporting Person*
Biotechnology Value Trading Fund OS LP

(Last)(First)(Middle)
P.O. BOX 309 UGLAND HOUSE

(Street)
GRAND CAYMANKY1-1104

(City)(State)(Zip)

CAYMAN ISLANDS

(Country)

Relationship of Reporting Person(s) to Issuer
XDirector10% Owner
Officer (give title below)XOther (specify below)
See Explanation of Responses
1. Name and Address of Reporting Person*
BVF Partners OS Ltd.

(Last)(First)(Middle)
P.O. BOX 309 UGLAND HOUSE

(Street)
GRAND CAYMANKY1-1104

(City)(State)(Zip)

CAYMAN ISLANDS

(Country)

Relationship of Reporting Person(s) to Issuer
XDirector10% Owner
Officer (give title below)XOther (specify below)
See Explanation of Responses
1. Name and Address of Reporting Person*
BVF GP HOLDINGS LLC

(Last)(First)(Middle)
44 MONTGOMERY STREET
40TH FLOOR

(Street)
SAN FRANCISCO CALIFORNIA 94104

(City)(State)(Zip)

UNITED STATES

(Country)

Relationship of Reporting Person(s) to Issuer
XDirector10% Owner
Officer (give title below)XOther (specify below)
See Explanation of Responses
1. Name and Address of Reporting Person*
BVF INC/IL

(Last)(First)(Middle)
44 MONTGOMERY STREET
40TH FLOOR

(Street)
SAN FRANCISCO CALIFORNIA 94104

(City)(State)(Zip)

UNITED STATES

(Country)

Relationship of Reporting Person(s) to Issuer
XDirector10% Owner
Officer (give title below)XOther (specify below)
See Explanation of Responses
1. Name and Address of Reporting Person*
LAMPERT MARK N

(Last)(First)(Middle)
44 MONTGOMERY STREET
40TH FLOOR

(Street)
SAN FRANCISCO CALIFORNIA 94104

(City)(State)(Zip)

UNITED STATES

(Country)

Relationship of Reporting Person(s) to Issuer
XDirector10% Owner
Officer (give title below)XOther (specify below)
See Explanation of Responses
Explanation of Responses:
1. This Form 4 is filed jointly by Biotechnology Value Fund, L.P. ("BVF"), Biotechnology Value Fund II, L.P. ("BVF2"), Biotechnology Value Trading Fund OS LP ("Trading Fund OS"), BVF Partners OS Ltd. ("Partners OS"), BVF I GP LLC ("BVF GP"), BVF II GP LLC ("BVF2 GP"), BVF GP Holdings LLC ("BVF GPH"), BVF Partners L.P. ("Partners"), BVF Inc. and Mark N. Lampert (collectively, the "Reporting Persons"). Each of the Reporting Persons disclaims beneficial ownership of the securities reported herein except to the extent of his or its pecuniary interest therein.
2. Reflects a one-for-ten reverse stock split of the Issuer's issued and outstanding Common Stock, effective as of April 27, 2026 (the "Stock Split").
3. Securities owned directly by BVF. As the general partner of BVF, BVF GP may be deemed to beneficially own the securities owned directly by BVF. As the sole member of BVF GP, BVF GPH may be deemed to beneficially own the securities owned directly by BVF. As the investment manager of BVF, Partners may be deemed to beneficially own the securities owned directly by BVF. As the investment adviser and general partner of Partners, BVF Inc. may be deemed to beneficially own the securities owned directly by BVF. As a director and officer of BVF Inc., Mr. Lampert may be deemed to beneficially own the securities owned directly by BVF.
4. Securities owned directly by BVF2. As the general partner of BVF2, BVF2 GP may be deemed to beneficially own the securities owned directly by BVF2. As the sole member of BVF2 GP, BVF GPH may be deemed to beneficially own the securities owned directly by BVF2. As the investment manager of BVF2, Partners may be deemed to beneficially own the securities owned directly by BVF2. As the investment adviser and general partner of Partners, BVF Inc. may be deemed to beneficially own the securities owned directly by BVF2. As a director and officer of BVF Inc., Mr. Lampert may be deemed to beneficially own the securities owned directly by BVF2.
5. Securities owned directly by Trading Fund OS. As the general partner of Trading Fund OS, Partners OS may be deemed to beneficially own the securities owned directly by Trading Fund OS. As the investment manager of Trading Fund OS and the sole member of Partners OS, Partners may be deemed to beneficially own the securities owned directly by Trading Fund OS. As the investment adviser and general partner of Partners, BVF Inc. may be deemed to beneficially own the securities owned directly by Trading Fund OS. As a director and officer of BVF Inc., Mr. Lampert may be deemed to beneficially own the securities owned directly by Trading Fund OS.
6. The option vests in monthly increments over a period of one year from the grant date.
7. Partners, BVF Inc. and Mr. Lampert may be deemed to have a pecuniary interest in the securities reported owned herein due to a certain agreement between Partners and R. Thorvald Nagel, who serves on the Issuer's board of directors and as a Principal of Partners, pursuant to which Mr. Nagel is obligated to transfer the economic benefit, if any, received upon the sale of the shares issuable upon exercise of the securities reported owned herein to Partners. As such, Mr. Nagel disclaims beneficial ownership of the securities reported herein except to the extent of his pecuniary interest therein.
Remarks:
For purposes of Section 16 of the Securities Exchange Act of 1934, as amended, each of the Reporting Persons may be deemed to be a director by deputization of the Issuer due to a Principal of Partners, R. Thorvald Nagel, serving on the Board of Directors of the Issuer, and his agreement to transfer the economic benefit, if any, received upon the sale of the shares issuable upon exercise of the securities reported owned herein to Partners.
BVF Partners L.P., By: BVF Inc., its general partner, By: /s/ Mark N. Lampert, President09/18/2026
Biotechnology Value Fund, L.P., By: BVF I GP LLC, its general partner, By: /s/ Mark N. Lampert, Chief Executive Officer09/18/2026
BVF I GP LLC, By: /s/ Mark N. Lampert, Chief Executive Officer09/18/2026
Biotechnology Value Fund II, L.P., By: BVF II GP LLC, its general partner, By: /s/ Mark N. Lampert, Chief Executive Officer09/18/2026
BVF II GP LLC, By: /s/ Mark N. Lampert, Chief Executive Officer09/18/2026
BVF Partners OS Ltd., By: BVF Partners L.P., its sole member, By: BVF Inc., its general partner, By: /s/ Mark N. Lampert, President09/18/2026
Biotechnology Value Trading Fund OS LP, By: BVF Partners L.P., its investment manager, BVF Inc., its general partner, By: /s/ Mark N. Lampert, President09/18/2026
BVF GP Holdings LLC, By: /s/ Mark N. Lampert, Chief Executive Officer09/18/2026
BVF Inc., By: /s/ Mark N. Lampert, President09/18/2026
/s/ Mark N. Lampert09/18/2026
** Signature of Reporting PersonDate
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)

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