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ADARx OrbiMed Fund's Series A Tied to 10.7M Shares

The preferred holdings convert into reported common-share equivalents at 1-for-1.1717 upon IPO closing, without further consideration.

(High)
(Neutral)
Form Type
3

Rhea-AI Filing Summary

ADARx Pharmaceuticals, Inc. lists OrbiMed Advisors LLC, OrbiMed Capital GP VII LLC, OrbiMed Israel GP II, L.P., and OrbiMed Advisors Israel II Ltd as directors and 10% owners. Preferred stock is held directly by OrbiMed Private Investments VII, LP and OrbiMed Israel Partners II, L.P.; reported common-share equivalents reflect automatic conversion on a 1-for-1.1717 basis upon closing of the issuer’s IPO, without further consideration. The reporting entities disclaim beneficial ownership except to the extent of any pecuniary interest.

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Insider ORBIMED ADVISORS LLC, OrbiMed Capital GP VII LLC, OrbiMed Israel GP II, L.P., OrbiMed Advisors Israel II Ltd
Role Director, 10% Owner | Director, 10% Owner | Director, 10% Owner | Director, 10% Owner
Type Security Shares Price Value
holding Series A Preferred Stock F1, F2, F4 -- -- --
holding Series A Preferred Stock F1, F3, F4 -- -- --
holding Series B Preferred Stock F1, F2, F4 -- -- --
holding Series B Preferred Stock F1, F3, F4 -- -- --
holding Series B-1 Preferred Stock F1, F2, F4 -- -- --
holding Series B-1 Preferred Stock F1, F3, F4 -- -- --
holding Series C Preferred Stock F1, F2, F4 -- -- --
holding Series C Preferred Stock F1, F3, F4 -- -- --
Holdings After Transaction: Series A Preferred Stock — 17,817,549 contracts (Indirect, See footnotes); Series B Preferred Stock — 3,334,937 contracts (Indirect, See footnotes); Series B-1 Preferred Stock — 1,282,668 contracts (Indirect, See footnotes); Series C Preferred Stock — 820,635 contracts (Indirect, See footnotes)
Footnotes (4)
  1. F1. Each share of Series A Preferred Stock, Series B Preferred Stock, Series B-1 Preferred Stock, and Series C Preferred Stock (collectively, the "Preferred Stock") will automatically convert on a 1-for-1.1717 basis into shares of Common Stock upon the closing of the Issuer's initial public offering without payment of further consideration. Share numbers give effect to such conversion. The Preferred Stock has no expiration date.
  2. F2. These securities are held directly by OrbiMed Private Investments VII, LP ("OPI VII"). OrbiMed Capital GP VII LLC ("GP VII") is the general partner of OPI VII. OrbiMed Advisors LLC ("OrbiMed Advisors") is the managing member of GP VII. By virtue of such relationships, GP VII and OrbiMed Advisors may be deemed to have voting power and investment power over the securities held by OPI VII and as a result, may be deemed to have beneficial ownership over such securities. OrbiMed Advisors exercises voting and investment power through a management committee comprised of Carl L. Gordon, W. Carter Neild, and Geoffrey C. Hsu, each of whom disclaims beneficial ownership of the shares held by OPI VII.
  3. F3. These securities are held directly by OrbiMed Israel Partners II, L.P. ("OIP II"). OrbiMed Israel GP II, L.P. ("Israel GP") is the general partner of OIP II. OrbiMed Advisors Israel II Limited ("Advisors Israel") is the general partner of Israel GP. By virtue of such relationships, Israel GP and Advisors Israel may be deemed to have voting power and investment power over the securities held by OIP II and as a result, may be deemed to have beneficial ownership over such securities. Advisors Israel exercises this investment and voting power through a management committee comprised of Carl L. Gordon, David P. Bonita, and Erez Chimovits, each of whom disclaims beneficial ownership of the shares held by OIP II.
  4. F4. This report on Form 3 is jointly filed by OrbiMed Advisors, GP VII, Israel GP, and Advisors Israel. Each of the Reporting Persons disclaims beneficial ownership of the securities reported herein for purposes of Rule 16a-1(a) under the Securities Exchange Act of 1934, as amended (the "Exchange Act"), except to the extent of its pecuniary interest therein, if any. The Reporting Persons have designated Carl L. Gordon, a member of OrbiMed Advisors, to serve on the Issuer's board of directors. This report shall not be deemed an admission that any of such entity or person is a beneficial owner of such securities for purposes of Section 16 of the Exchange Act, or for any other purpose.
Common shares underlying Series A Preferred Stock 10,690,530 shares Held directly by OrbiMed Private Investments VII, LP; reflects conversion.
Common shares underlying Series B Preferred Stock 2,000,962 shares Held directly by OrbiMed Private Investments VII, LP; reflects conversion.
Common shares underlying Series B-1 Preferred Stock 769,601 shares Held directly by OrbiMed Private Investments VII, LP; reflects conversion.
Common shares underlying Series C Preferred Stock 564,187 shares Held directly by OrbiMed Private Investments VII, LP; reflects conversion.
Common shares underlying Series A Preferred Stock 7,127,019 shares Held directly by OrbiMed Israel Partners II, L.P.; reflects conversion.
Common shares underlying Series B Preferred Stock 1,333,975 shares Held directly by OrbiMed Israel Partners II, L.P.; reflects conversion.
Common shares underlying Series B-1 Preferred Stock 513,067 shares Held directly by OrbiMed Israel Partners II, L.P.; reflects conversion.
Common shares underlying Series C Preferred Stock 256,448 shares Held directly by OrbiMed Israel Partners II, L.P.; reflects conversion.
beneficial ownership regulatory
"may be deemed to have beneficial ownership over such securities"
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 regulatory
"except to the extent of its pecuniary interest therein"
general partner regulatory
"is the general partner of OPI VII"
A general partner is the person or firm that runs an investment partnership and legally represents it — they make the day-to-day decisions, choose which assets to buy or sell, and are responsible for the partnership’s obligations. Investors care because the general partner’s judgment, risk-taking and fee and profit-sharing arrangements determine both the potential returns and the level of exposure to losses; think of the GP as the ship’s captain whose skill and honesty shape the voyage’s outcome.

FAQ

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

What ADRX share amounts do the OrbiMed entities report?

Series A, B, B-1 and C Preferred Stock held by OrbiMed Private Investments VII, LP correspond to 10,690,530, 2,000,962, 769,601 and 564,187 common shares, respectively. The same series held by OrbiMed Israel Partners II, L.P. correspond to 7,127,019, 1,333,975, 513,067 and 256,448 common shares, respectively; the counts give effect to conversion.

How do ADARx preferred shares convert to common stock?

Each share of Series A, Series B, Series B-1 and Series C Preferred Stock automatically converts on a 1-for-1.1717 basis into common shares upon closing of ADARx’s IPO, without payment of further consideration. The reported common-share amounts already give effect to that conversion.

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

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Learn about SEC filing dates
SEC Form 3
FORM 3UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

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:3235-0104
Estimated average burden
hours per response:0.5
1. Name and Address of Reporting Person*
ORBIMED ADVISORS LLC

(Last)(First)(Middle)
601 LEXINGTON AVENUE
54TH FLOOR

(Street)
NEW YORK NEW YORK 10022

(City)(State)(Zip)

UNITED STATES

(Country)
2. Date of Event Requiring Statement (Month/Day/Year)
09/24/2026
3. Issuer Name and Ticker or Trading Symbol
ADARx Pharmaceuticals, Inc. [ ADRX ]
3a. Foreign Trading Symbol
5. If Amendment, Date of Original Filed (Month/Day/Year)
4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
XDirectorX10% Owner
Officer (give title below)Other (specify below)
6. Individual or Joint/Group Filing (Check Applicable Line)
Form filed by One Reporting Person
XForm filed by More than One Reporting Person
Table I - Non-Derivative Securities Beneficially Owned
1. Title of Security (Instr. 4) 2. Amount of Securities Beneficially Owned (Instr. 4) 3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5) 4. Nature of Indirect Beneficial Ownership (Instr. 5)
Table II - Derivative Securities Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4) 2. Date Exercisable and Expiration Date (Month/Day/Year)3. Title and Amount of Securities Underlying Derivative Security (Instr. 4) 4. Conversion or Exercise Price of Derivative Security 5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5) 6. Nature of Indirect Beneficial Ownership (Instr. 5)
Date ExercisableExpiration DateTitleAmount or Number of Shares
Series A Preferred Stock (1) (1)Common Stock10,690,530(1)ISee footnotes(2)(4)
Series A Preferred Stock (1) (1)Common Stock7,127,019(1)ISee footnotes(3)(4)
Series B Preferred Stock (1) (1)Common Stock2,000,962(1)ISee footnotes(2)(4)
Series B Preferred Stock (1) (1)Common Stock1,333,975(1)ISee footnotes(3)(4)
Series B-1 Preferred Stock (1) (1)Common Stock769,601(1)ISee footnotes(2)(4)
Series B-1 Preferred Stock (1) (1)Common Stock513,067(1)ISee footnotes(3)(4)
Series C Preferred Stock (1) (1)Common Stock564,187(1)ISee footnotes(2)(4)
Series C Preferred Stock (1) (1)Common Stock256,448(1)ISee footnotes(3)(4)
1. Name and Address of Reporting Person*
ORBIMED ADVISORS LLC

(Last)(First)(Middle)
601 LEXINGTON AVENUE
54TH FLOOR

(Street)
NEW YORK NEW YORK 10022

(City)(State)(Zip)

UNITED STATES

(Country)

Relationship of Reporting Person(s) to Issuer
XDirectorX10% Owner
Officer (give title below)Other (specify below)
1. Name and Address of Reporting Person*
OrbiMed Capital GP VII LLC

(Last)(First)(Middle)
601 LEXINGTON AVENUE, 54TH FLOOR

(Street)
NEW YORK NEW YORK 10022

(City)(State)(Zip)

UNITED STATES

(Country)

Relationship of Reporting Person(s) to Issuer
XDirectorX10% Owner
Officer (give title below)Other (specify below)
1. Name and Address of Reporting Person*
OrbiMed Israel GP II, L.P.

(Last)(First)(Middle)
601 LEXINGTON AVENUE
54TH FLOOR

(Street)
NEW YORK NEW YORK 10022

(City)(State)(Zip)

UNITED STATES

(Country)

Relationship of Reporting Person(s) to Issuer
XDirectorX10% Owner
Officer (give title below)Other (specify below)
1. Name and Address of Reporting Person*
OrbiMed Advisors Israel II Ltd

(Last)(First)(Middle)
601 LEXINGTON AVENUE
54TH FLOOR

(Street)
NEW YORK NEW YORK 10022

(City)(State)(Zip)

UNITED STATES

(Country)

Relationship of Reporting Person(s) to Issuer
XDirectorX10% Owner
Officer (give title below)Other (specify below)
Explanation of Responses:
1. Each share of Series A Preferred Stock, Series B Preferred Stock, Series B-1 Preferred Stock, and Series C Preferred Stock (collectively, the "Preferred Stock") will automatically convert on a 1-for-1.1717 basis into shares of Common Stock upon the closing of the Issuer's initial public offering without payment of further consideration. Share numbers give effect to such conversion. The Preferred Stock has no expiration date.
2. These securities are held directly by OrbiMed Private Investments VII, LP ("OPI VII"). OrbiMed Capital GP VII LLC ("GP VII") is the general partner of OPI VII. OrbiMed Advisors LLC ("OrbiMed Advisors") is the managing member of GP VII. By virtue of such relationships, GP VII and OrbiMed Advisors may be deemed to have voting power and investment power over the securities held by OPI VII and as a result, may be deemed to have beneficial ownership over such securities. OrbiMed Advisors exercises voting and investment power through a management committee comprised of Carl L. Gordon, W. Carter Neild, and Geoffrey C. Hsu, each of whom disclaims beneficial ownership of the shares held by OPI VII.
3. These securities are held directly by OrbiMed Israel Partners II, L.P. ("OIP II"). OrbiMed Israel GP II, L.P. ("Israel GP") is the general partner of OIP II. OrbiMed Advisors Israel II Limited ("Advisors Israel") is the general partner of Israel GP. By virtue of such relationships, Israel GP and Advisors Israel may be deemed to have voting power and investment power over the securities held by OIP II and as a result, may be deemed to have beneficial ownership over such securities. Advisors Israel exercises this investment and voting power through a management committee comprised of Carl L. Gordon, David P. Bonita, and Erez Chimovits, each of whom disclaims beneficial ownership of the shares held by OIP II.
4. This report on Form 3 is jointly filed by OrbiMed Advisors, GP VII, Israel GP, and Advisors Israel. Each of the Reporting Persons disclaims beneficial ownership of the securities reported herein for purposes of Rule 16a-1(a) under the Securities Exchange Act of 1934, as amended (the "Exchange Act"), except to the extent of its pecuniary interest therein, if any. The Reporting Persons have designated Carl L. Gordon, a member of OrbiMed Advisors, to serve on the Issuer's board of directors. This report shall not be deemed an admission that any of such entity or person is a beneficial owner of such securities for purposes of Section 16 of the Exchange Act, or for any other purpose.
/s/ Carl L. Gordon, Member of OrbiMed Advisors LLC09/24/2026
/s/ Carl L. Gordon, Member of OrbiMed Capital GP VII LLC09/24/2026
/s/ Carl L. Gordon, Member of OrbiMed Israel GP II, L.P09/24/2026
/s/ Carl L. Gordon, Member of OrbiMed Advisors Israel II Limited09/24/2026
** 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 5 (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 3: SEC 1473 (03-26)

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