Simeon George - 28 Sep 2026 Form 4 Insider Report for ADARx Pharmaceuticals, Inc. (ADRX)

Reporting relationship: Director, 10%+ Owner
Issuer ticker: ADRX
Reported as of: 28 Sep 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 29 Sep 2026, 21:43:23 UTC
Prior SEC filing: 24 Sep 2026
Next SEC filing: 16 Oct 2026
Source filing: View source filing
Reporting owner signature: /s/ Sasha Keough, attorney-in-fact for Simeon George

Filing notes and source

Key filing fact

Simeon George filed Form 4 for ADARx Pharmaceuticals, Inc. (ADRX) on 29 Sep 2026.

Key facts

This page summarizes Simeon George's Form 4 filing for ADARx Pharmaceuticals, Inc. (ADRX).
15 reported transactions and 6 derivative rows are listed below.
Accepted by SEC: 29 Sep 2026, 21:43.

Change

Previous filing in this sequence was filed on 24 Sep 2026.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001595117 Primary reporting owner

George Simeon

Relationship: Director, 10%+ Owner
Address: 929 MAIN STREET, SUITE 200, REDWOOD CITY
Signature: /s/ Sasha Keough, attorney-in-fact for Simeon George
Signature date: 29 Sep 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

ADRX transaction

Common Stock

Conversion of derivative security

Transaction value
Shares: +3,334,938
Change %
Price
Shares after: 3,334,938
Date: 28 Sep 2026
Ownership: See Note 2
Footnotes: F1, F2

ADRX transaction

Common Stock

Conversion of derivative security

Transaction value
Shares: +1,113,666
Change %: +33%
Price
Shares after: 4,448,604
Date: 28 Sep 2026
Ownership: See Note 2
Footnotes: F1, F2

ADRX transaction

Common Stock

Conversion of derivative security

Transaction value
Shares: +512,897
Change %: +12%
Price
Shares after: 4,961,501
Date: 28 Sep 2026
Ownership: See Note 2
Footnotes: F1, F2

ADRX transaction

Common Stock

Purchase

Transaction value
Shares: +592,593
Change %: +12%
Price: $17.00^*
Shares after: 5,554,094
Date: 28 Sep 2026
Ownership: See Note 2
Footnotes: F2

ADRX transaction

Common Stock

Conversion of derivative security

Transaction value
Shares: +1,538,691
Change %
Price
Shares after: 1,538,691
Date: 28 Sep 2026
Ownership: See Note 3
Footnotes: F1, F3

ADRX transaction

Common Stock

Purchase

Transaction value
Shares: +414,814
Change %: +27%
Price: $17.00^*
Shares after: 1,953,505
Date: 28 Sep 2026
Ownership: See Note 3
Footnotes: F3

ADRX transaction

Common Stock

Conversion of derivative security

Transaction value
Shares: +1,667,468
Change %
Price
Shares after: 1,667,468
Date: 28 Sep 2026
Ownership: See Note 4
Footnotes: F1, F4

ADRX transaction

Common Stock

Conversion of derivative security

Transaction value
Shares: +169,001
Change %: +10%
Price
Shares after: 1,836,469
Date: 28 Sep 2026
Ownership: See Note 4
Footnotes: F1, F4

ADRX transaction

Common Stock

Purchase

Transaction value
Shares: +592,593
Change %
Price: $17.00^*
Shares after: 592,593
Date: 28 Sep 2026
Ownership: See Note 5
Footnotes: F5

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

ADRX transaction Derivative

Series B Preferred Stock

Conversion of derivative security

Transaction value
Shares: -3,907,547
Change %: -100%
Price: $0.000000^*
Shares after: 0
Date: 28 Sep 2026
Ownership: See Note 2
Underlying class: Common Stock
Underlying amount: 3,334,938
Exercise price
Footnotes: F1, F2

ADRX transaction Derivative

Series B-1 Preferred Stock

Conversion of derivative security

Transaction value
Shares: -1,304,883
Change %: -100%
Price: $0.000000^*
Shares after: 0
Date: 28 Sep 2026
Ownership: See Note 2
Underlying class: Common Stock
Underlying amount: 1,113,666
Exercise price
Footnotes: F1, F2

ADRX transaction Derivative

Series C Preferred Stock

Conversion of derivative security

Transaction value
Shares: -600,962
Change %: -100%
Price: $0.000000^*
Shares after: 0
Date: 28 Sep 2026
Ownership: See Note 2
Underlying class: Common Stock
Underlying amount: 512,897
Exercise price
Footnotes: F1, F2

ADRX transaction Derivative

Series C Preferred Stock

Conversion of derivative security

Transaction value
Shares: -1,802,885
Change %: -100%
Price: $0.000000^*
Shares after: 0
Date: 28 Sep 2026
Ownership: See Note 3
Underlying class: Common Stock
Underlying amount: 1,538,691
Exercise price
Footnotes: F1, F3

ADRX transaction Derivative

Series B Preferred Stock

Conversion of derivative security

Transaction value
Shares: -1,953,773
Change %: -100%
Price: $0.000000^*
Shares after: 0
Date: 28 Sep 2026
Ownership: See Note 4
Underlying class: Common Stock
Underlying amount: 1,667,468
Exercise price
Footnotes: F1, F4

ADRX transaction Derivative

Series B-1 Preferred Stock

Conversion of derivative security

Transaction value
Shares: -198,019
Change %: -100%
Price: $0.000000^*
Shares after: 0
Date: 28 Sep 2026
Ownership: See Note 4
Underlying class: Common Stock
Underlying amount: 169,001
Exercise price
Footnotes: F1, F4

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 5 footnotes

Footnote F1

Each share of Series B Preferred Stock, Series B-1 Preferred Stock and Series C Preferred Stock (collectively, the "Preferred Stock") automatically converted on a 1-for-1.1717 reverse stock split basis into shares of Common Stock upon the closing of the Issuer's initial public offering on September 28, 2026, without payment of further consideration. The Preferred Stock has no expiration date.

Footnote F2

The Reporting Person is the managing member of SR One Capital Management, LLC ("SR One Capital Management"), which is the sole general partner of SR One Capital Partners I, LP ("SR One Partners I"). SR One Partners I is the sole general partner of SR One Capital Fund I Aggregator, LP ("SR One Fund I Aggregator"), the direct beneficial owner of the securities. The Reporting Person disclaims beneficial ownership within the meaning of Section 16 of the Securities Exchange Act of 1934, as amended ("Section 16"), or otherwise of such portion of the securities held by SR One Fund I Aggregator in which the Reporting Person has no pecuniary interest.

Footnote F3

The Reporting Person is the managing member of SR One Capital Management, which is the sole general partner of SR One Capital Opportunities Partners I, LP ("SR One Opportunities Partners I"). SR One Opportunities Partners I is the sole general partner of SR One Capital Opportunities Fund I, LP ("SR One Opportunities Fund I"), which is the direct beneficial owner of the securities. The Reporting Person disclaims beneficial ownership within the meaning of Section 16 or otherwise of such portion of the securities held by SR One Opportunities Fund I in which the Reporting Person has no pecuniary interest.

Footnote F4

The Reporting Person is the managing member of SR One Capital Management, which is the managing member of SR One Co-Invest III Manager LLC ("SR One Co-Invest Manager"). SR One Co-Invest Manager is the managing member of SR One Co-Invest III, LLC ("SR One Co-Invest"), which is the direct beneficial owner of the securities. The Reporting Person disclaims beneficial ownership within the meaning of Section 16 or otherwise of such portion of the securities held by SR One Co-Invest in which the Reporting Person has no pecuniary interest.

Footnote F5

The Reporting Person is the managing member of SR One Capital Management, which is the sole general partner of SR One Capital SMA Partners, LP ("SMA Partners"). SMA Partners is the sole general partner of AMZL, LP ("AMZL"), which is the direct beneficial owner of the securities. The Reporting Person disclaims beneficial ownership within the meaning of Section 16 or otherwise of such portion of the securities held by AMZL in which the Reporting Person has no pecuniary interest.