LAV Biosciences Fund V, L.P. - 28 Sep 2026 Form 4 Insider Report for ADARx Pharmaceuticals, Inc. (ADRX)

Reporting relationship: 10%+ Owner
Issuer ticker: ADRX
Reported as of: 28 Sep 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 29 Sep 2026, 21:38:06 UTC
Prior SEC filing: 24 Sep 2026
Source filing: View source filing
Reporting owner signature: /s/ Yu Luo, as Authorized Signatory of LAV Fund VI, L.P.

Key filing fact

LAV Biosciences Fund V, L.P. filed Form 4 for ADARx Pharmaceuticals, Inc. (ADRX) on 29 Sep 2026.

Key facts

This page summarizes LAV Biosciences Fund V, L.P.'s Form 4 filing for ADARx Pharmaceuticals, Inc. (ADRX).
12 reported transactions and 18 derivative rows are listed below.
Accepted by SEC: 29 Sep 2026, 21:38.

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 (3)

CIK 0001764435 Primary reporting owner

LAV Biosciences Fund V, L.P.

Relationship: 10%+ Owner
Address: ROOM 607, ST. GEORGE'S BUILDING, 2 ICE HOUSE STREET, CENTRAL, HONG KONG
Signature: /s/ Yu Luo, as Authorized Signatory of LAV Fund VI, L.P.
Signature date: 29 Sep 2026

CIK 0001836169

LAV Fund VI Opportunities, L.P.

Relationship: 10%+ Owner
Address: ROOM 607, ST. GEORGE'S BUILDING, 2 ICE HOUSE STREET, CENTRAL, HONG KONG
Signature: /s/ Yu Luo, as Authorized Signatory of LAV Biosciences Fund V, L.P.
Signature date: 29 Sep 2026

CIK 0001836170

LAV Fund VI, L.P.

Relationship: 10%+ Owner
Address: ROOM 607, ST. GEORGE'S BUILDING, 2 ICE HOUSE STREET, CENTRAL, HONG KONG
Signature: /s/ Yu Luo, as Authorized Signatory of LAV Fund VI Opportunities, L.P.
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: +8,908,775
Change %
Price
Shares after: 8,908,775
Date: 28 Sep 2026
Ownership: Direct
Footnotes: F1, F2

ADRX transaction

Common Stock

Conversion of derivative security

Transaction value
Shares: +8,908,775
Change %
Price
Shares after: 8,908,775
Date: 28 Sep 2026
Ownership: Direct
Footnotes: F1, F2

ADRX transaction

Common Stock

Conversion of derivative security

Transaction value
Shares: +8,908,775
Change %
Price
Shares after: 8,908,775
Date: 28 Sep 2026
Ownership: Direct
Footnotes: F1, F2

ADRX transaction

Common Stock

Conversion of derivative security

Transaction value
Shares: +1,667,469
Change %: +19%
Price
Shares after: 10,576,244
Date: 28 Sep 2026
Ownership: Direct
Footnotes: F1, F2

ADRX transaction

Common Stock

Conversion of derivative security

Transaction value
Shares: +1,667,469
Change %: +19%
Price
Shares after: 10,576,244
Date: 28 Sep 2026
Ownership: Direct
Footnotes: F1, F2

ADRX transaction

Common Stock

Conversion of derivative security

Transaction value
Shares: +1,667,469
Change %: +19%
Price
Shares after: 10,576,244
Date: 28 Sep 2026
Ownership: Direct
Footnotes: F1, F2

ADRX transaction

Common Stock

Conversion of derivative security

Transaction value
Shares: +513,067
Change %: +4.9%
Price
Shares after: 11,089,311
Date: 28 Sep 2026
Ownership: Direct
Footnotes: F1, F2

ADRX transaction

Common Stock

Conversion of derivative security

Transaction value
Shares: +513,067
Change %: +4.9%
Price
Shares after: 11,089,311
Date: 28 Sep 2026
Ownership: Direct
Footnotes: F1, F2

ADRX transaction

Common Stock

Conversion of derivative security

Transaction value
Shares: +513,067
Change %: +4.9%
Price
Shares after: 11,089,311
Date: 28 Sep 2026
Ownership: Direct
Footnotes: F1, F2

ADRX transaction

Common Stock

Conversion of derivative security

Transaction value
Shares: +153,868
Change %: +1.4%
Price
Shares after: 11,243,179
Date: 28 Sep 2026
Ownership: Direct
Footnotes: F1, F2

ADRX transaction

Common Stock

Conversion of derivative security

Transaction value
Shares: +153,868
Change %: +1.4%
Price
Shares after: 11,243,179
Date: 28 Sep 2026
Ownership: Direct
Footnotes: F1, F2

ADRX transaction

Common Stock

Conversion of derivative security

Transaction value
Shares: +153,868
Change %: +1.4%
Price
Shares after: 11,243,179
Date: 28 Sep 2026
Ownership: Direct
Footnotes: F1, F2

ADRX transaction

Common Stock

Conversion of derivative security

Transaction value
Shares: +307,738
Change %
Price
Shares after: 307,738
Date: 28 Sep 2026
Ownership: By LAV Fund VI, L.P.
Footnotes: F1, F3

ADRX transaction

Common Stock

Conversion of derivative security

Transaction value
Shares: +307,738
Change %
Price
Shares after: 307,738
Date: 28 Sep 2026
Ownership: By LAV Fund VI, L.P.
Footnotes: F1, F3

ADRX transaction

Common Stock

Conversion of derivative security

Transaction value
Shares: +307,738
Change %
Price
Shares after: 307,738
Date: 28 Sep 2026
Ownership: By LAV Fund VI, L.P.
Footnotes: F1, F3

ADRX transaction

Common Stock

Conversion of derivative security

Transaction value
Shares: +307,738
Change %
Price
Shares after: 307,738
Date: 28 Sep 2026
Ownership: By LAV Fund VI Opportunities, L.P.
Footnotes: F1, F4

ADRX transaction

Common Stock

Conversion of derivative security

Transaction value
Shares: +307,738
Change %
Price
Shares after: 307,738
Date: 28 Sep 2026
Ownership: By LAV Fund VI Opportunities, L.P.
Footnotes: F1, F4

ADRX transaction

Common Stock

Conversion of derivative security

Transaction value
Shares: +307,738
Change %
Price
Shares after: 307,738
Date: 28 Sep 2026
Ownership: By LAV Fund VI Opportunities, L.P.
Footnotes: F1, F4

Reported derivative securities

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

ADRX transaction Derivative

Series A Preferred Stock

Conversion of derivative security

Transaction value
Shares: -10,438,412
Change %: -100%
Price: $0.000000^*
Shares after: 0
Date: 28 Sep 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 8,908,775
Exercise price
Footnotes: F1, F2

ADRX transaction Derivative

Series A Preferred Stock

Conversion of derivative security

Transaction value
Shares: -10,438,412
Change %: -100%
Price: $0.000000^*
Shares after: 0
Date: 28 Sep 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 8,908,775
Exercise price
Footnotes: F1, F2

ADRX transaction Derivative

Series A Preferred Stock

Conversion of derivative security

Transaction value
Shares: -10,438,412
Change %: -100%
Price: $0.000000^*
Shares after: 0
Date: 28 Sep 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 8,908,775
Exercise price
Footnotes: F1, F2

ADRX transaction Derivative

Series B Preferred Stock

Conversion of derivative security

Transaction value
Shares: -1,953,774
Change %: -100%
Price: $0.000000^*
Shares after: 0
Date: 28 Sep 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 1,667,469
Exercise price
Footnotes: F1, F2

ADRX transaction Derivative

Series B Preferred Stock

Conversion of derivative security

Transaction value
Shares: -1,953,774
Change %: -100%
Price: $0.000000^*
Shares after: 0
Date: 28 Sep 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 1,667,469
Exercise price
Footnotes: F1, F2

ADRX transaction Derivative

Series B Preferred Stock

Conversion of derivative security

Transaction value
Shares: -1,953,774
Change %: -100%
Price: $0.000000^*
Shares after: 0
Date: 28 Sep 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 1,667,469
Exercise price
Footnotes: F1, F2

ADRX transaction Derivative

Series B-1 Preferred Stock

Conversion of derivative security

Transaction value
Shares: -601,161
Change %: -100%
Price: $0.000000^*
Shares after: 0
Date: 28 Sep 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 513,067
Exercise price
Footnotes: F1, F2

ADRX transaction Derivative

Series B-1 Preferred Stock

Conversion of derivative security

Transaction value
Shares: -601,161
Change %: -100%
Price: $0.000000^*
Shares after: 0
Date: 28 Sep 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 513,067
Exercise price
Footnotes: F1, F2

ADRX transaction Derivative

Series B-1 Preferred Stock

Conversion of derivative security

Transaction value
Shares: -601,161
Change %: -100%
Price: $0.000000^*
Shares after: 0
Date: 28 Sep 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 513,067
Exercise price
Footnotes: F1, F2

ADRX transaction Derivative

Series C Preferred Stock

Conversion of derivative security

Transaction value
Shares: -180,288
Change %: -100%
Price: $0.000000^*
Shares after: 0
Date: 28 Sep 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 153,868
Exercise price
Footnotes: F1, F2

ADRX transaction Derivative

Series C Preferred Stock

Conversion of derivative security

Transaction value
Shares: -180,288
Change %: -100%
Price: $0.000000^*
Shares after: 0
Date: 28 Sep 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 153,868
Exercise price
Footnotes: F1, F2

ADRX transaction Derivative

Series C Preferred Stock

Conversion of derivative security

Transaction value
Shares: -180,288
Change %: -100%
Price: $0.000000^*
Shares after: 0
Date: 28 Sep 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 153,868
Exercise price
Footnotes: F1, F2

ADRX transaction Derivative

Series C Preferred Stock

Conversion of derivative security

Transaction value
Shares: -360,577
Change %: -100%
Price: $0.000000^*
Shares after: 0
Date: 28 Sep 2026
Ownership: By LAV Fund VI, L.P.
Underlying class: Common Stock
Underlying amount: 307,738
Exercise price
Footnotes: F1, F3

ADRX transaction Derivative

Series C Preferred Stock

Conversion of derivative security

Transaction value
Shares: -360,577
Change %: -100%
Price: $0.000000^*
Shares after: 0
Date: 28 Sep 2026
Ownership: By LAV Fund VI, L.P.
Underlying class: Common Stock
Underlying amount: 307,738
Exercise price
Footnotes: F1, F3

ADRX transaction Derivative

Series C Preferred Stock

Conversion of derivative security

Transaction value
Shares: -360,577
Change %: -100%
Price: $0.000000^*
Shares after: 0
Date: 28 Sep 2026
Ownership: By LAV Fund VI, L.P.
Underlying class: Common Stock
Underlying amount: 307,738
Exercise price
Footnotes: F1, F3

ADRX transaction Derivative

Series C Preferred Stock

Conversion of derivative security

Transaction value
Shares: -360,577
Change %: -100%
Price: $0.000000^*
Shares after: 0
Date: 28 Sep 2026
Ownership: By LAV Fund VI Opportunities, L.P.
Underlying class: Common Stock
Underlying amount: 307,738
Exercise price
Footnotes: F1, F4

ADRX transaction Derivative

Series C Preferred Stock

Conversion of derivative security

Transaction value
Shares: -360,577
Change %: -100%
Price: $0.000000^*
Shares after: 0
Date: 28 Sep 2026
Ownership: By LAV Fund VI Opportunities, L.P.
Underlying class: Common Stock
Underlying amount: 307,738
Exercise price
Footnotes: F1, F4

ADRX transaction Derivative

Series C Preferred Stock

Conversion of derivative security

Transaction value
Shares: -360,577
Change %: -100%
Price: $0.000000^*
Shares after: 0
Date: 28 Sep 2026
Ownership: By LAV Fund VI Opportunities, L.P.
Underlying class: Common Stock
Underlying amount: 307,738
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 4 footnotes

Footnote 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") 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

LAV GP V, L.P. is the general partner of LAV Biosciences Fund V, L.P. ("LAV Biosciences"). LAV Corporate V GP, Ltd. is the general partner of LAV GP V, L.P. Dr. Yi Shi is the managing partner of LAV Corporate V GP, Ltd. By virtue of these relationships, LAV GP V, L.P., LAV Corporate V GP, Ltd. and Dr. Yi Shi may be deemed to have voting and investment power of the shares held by LAV Biosciences.

Footnote F3

Shares are held by LAV Fund VI, L.P. ("LAV Fund VI"). LAV GP VI, L.P. ("LAV GP VI") is the general partner of LAV Fund VI and LAV Corporate VI GP, Ltd. ("LAV Corporate VI GP") is the general partner of LAV GP VI, L.P. Dr. Yi Shi is the managing partner of LAV Corporate VI GP, Ltd. By virtue of these relationships, LAV GP VI, L.P., LAV Corporate VI GP, Ltd. and Dr. Yi Shi may be deemed to have voting and investment power of the shares held by LAV Fund VI, L.P.

Footnote F4

Shares are held by LAV Fund VI Opportunities, L.P. ("LAV Fund VI Opportunities"). LAV GP VI Opportunities, L.P. ("LAV GP VI Opportunities") is the general partner of LAV Fund VI Opportunities, L.P. and LAV Corporate VI GP Opportunities, Ltd. ("LAV Corporate VI GP") is the general partner of LAV GP VI Opportunities, L.P. Dr. Yi Shi is the managing partner of LAV Corporate VI GP Opportunities, Ltd. By virtue of these relationships, LAV GP VI Opportunities, L.P., LAV Corporate VI GP Opportunities, Ltd., and Dr. Yi Shi may be deemed to have voting and investment power of the shares held by LAV Fund VI Opportunities, L.P.

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