SEC Form 3 · accession 0001193125-26-401300

ADARx Pharmaceuticals, Inc. · ADRX

Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗

Reporting owner

SR ONE CAPITAL MANAGEMENT, LLC

10% Owner

Period of report

Sep 24, 2026

Accepted (ET)

Sep 24, 2026 · 7:05 pm EDT

Rule 10b5-1 plan

unknown — predates the checkbox

Issuer CIK

0001802369

Table I — non-derivative securities

No Table I lines on this filing.

Table II — derivative securities

Security	Conv. / exercise price	Date	Code	Shares	A/D	Exercisable	Expires	Underlying	Underlying shares	Owned after	D/I
Series B Preferred Stock^F2,F1	—	holding	—	—	—	—	—	Common Stock	3,334,938	—	I
Series B-1 Preferred Stock^F2,F1	—	holding	—	—	—	—	—	Common Stock	1,113,666	—	I
Series C Preferred Stock^F2,F1	—	holding	—	—	—	—	—	Common Stock	512,897	—	I
Series C Preferred Stock^F3,F1	—	holding	—	—	—	—	—	Common Stock	1,538,691	—	I
Series B Preferred Stock^F4,F1	—	holding	—	—	—	—	—	Common Stock	1,667,468	—	I
Series B-1 Preferred Stock^F4,F1	—	holding	—	—	—	—	—	Common Stock	169,001	—	I

Explanation of responses

F1Each share of 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.
F2The securities are directly held by SR One Capital Fund I Aggregator, LP ("SR One Fund I Aggregator"). SR One Capital Partners I, LP ("SR One Partners I") is the sole general partner of SR One Fund I Aggregator, and SR One Capital Management, LLC ("SR One Capital Management") is the sole general partner of SR One Partners I. Simeon George, M.D. is the managing member of SR One Capital Management. Each of SR One Partners I, SR One Capital Management and Dr. George may be deemed to have shared power to vote or dispose of these shares, and each disclaims beneficial ownership of the shares except to the extent of any pecuniary interest therein.
F3The securities are directly held by SR One Capital Opportunities Fund I, LP ("SR One Opportunities Fund I"). SR One Capital Opportunities Partners I, LP ("SR One Opportunities Partners I") is the sole general partner of SR One Opportunities Fund I, and SR One Capital Management is the sole general partner of SR One Opportunities Partners I. Simeon George, M.D. is the managing member of SR One Capital Management. Each of SR One Opportunities Partners I, SR One Capital Management and Dr. George may be deemed to have shared power to vote or dispose of these shares, and each disclaims beneficial ownership of the shares except to the extent of any pecuniary interest therein.
F4The securities are directly held by SR One Co-Invest III, LLC ("SR One Co-Invest"). SR One Co-Invest III Manager LLC ("SR One Co-Invest Manager") is the managing member of SR One-Co-Invest, and SR One Capital Management is the managing member of SR One Co-Invest Manager. Simeon George, M.D. is the managing member of SR One Capital Management. Each of SR One Co-Invest Manager, SR One Capital Management and Dr. George may be deemed to have shared power to vote or dispose of these shares, and each disclaims beneficial ownership of the shares except to the extent of any pecuniary interest therein.