James E. Flynn - 11 Jun 2026 Form 4 Insider Report for Parabilis Medicines, Inc. (PBLS)

Reporting relationship: Possible Member of 10% Group, 10%+ Owner
Issuer ticker: PBLS
Reported as of: 11 Jun 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 11 Jun 2026, 20:07:47 UTC
Prior SEC filing: 09 Jun 2026
Next SEC filing: 18 Jun 2026
Source filing: View source filing
Reporting owner signature: /s/ Jonathan Isler, Attorney-In-Fact

Key filing fact

James E. Flynn filed Form 4 for Parabilis Medicines, Inc. (PBLS) on 11 Jun 2026.

Key facts

This page summarizes James E. Flynn's Form 4 filing for Parabilis Medicines, Inc. (PBLS).
16 reported transactions and 48 derivative rows are listed below.
Accepted by SEC: 11 Jun 2026, 20:07.

Change

Previous filing in this sequence was filed on 09 Jun 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 (6)

CIK 0001352546 Primary reporting owner

Flynn James E

Relationship: Possible Member of 10% Group, 10%+ Owner
Address: 345 PARK AVENUE SOUTH, 12TH FLOOR, NEW YORK
Signature: /s/ Jonathan Isler, Attorney-In-Fact
Signature date: 11 Jun 2026

CIK 0001665736

Deerfield Mgmt HIF, L.P.

Relationship: Possible Member of 10% Group, 10%+ Owner
Address: 345 PARK AVENUE SOUTH, 12TH FLOOR, NEW YORK
Signature: /s/ Jonathan Isler, Attorney-In-Fact
Signature date: 11 Jun 2026

CIK 0001009258

DEERFIELD MANAGEMENT COMPANY, L.P.

Relationship: Possible Member of 10% Group, 10%+ Owner
Address: 345 PARK AVENUE SOUTH, 12TH FLOOR, NEW YORK
Signature: /s/ Jonathan Isler, Attorney-In-Fact
Signature date: 11 Jun 2026

CIK 0001646981

Deerfield Healthcare Innovations Fund, L.P.

Relationship: Possible Member of 10% Group, 10%+ Owner
Address: 345 PARK AVENUE SOUTH, 12TH FLOOR, NEW YORK
Signature: /s/ Jonathan Isler, Attorney-In-Fact
Signature date: 11 Jun 2026

CIK 0001610540

Deerfield Mgmt III, L.P.

Relationship: Possible Member of 10% Group, 10%+ Owner
Address: 345 PARK AVENUE SOUTH, 12TH FLOOR, NEW YORK
Signature: /s/ Jonathan Isler, Attorney-In-Fact
Signature date: 11 Jun 2026

CIK 0001603333

Deerfield Private Design Fund III, L.P.

Relationship: Possible Member of 10% Group, 10%+ Owner
Address: 345 PARK AVENUE SOUTH, 12TH FLOOR, NEW YORK
Signature: /s/ Jonathan Isler, Attorney-In-Fact
Signature date: 11 Jun 2026

Reported non-derivative transactions

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

PBLS transaction

Voting Common Stock

Conversion of derivative security

Transaction value
Shares: +122,990
Change %
Price
Shares after: 122,990
Date: 11 Jun 2026
Ownership: Through Deerfield Private Design Fund III, L.P.
Footnotes: F1, F5, F6

PBLS transaction

Voting Common Stock

Conversion of derivative security

Transaction value
Shares: +122,990
Change %
Price
Shares after: 122,990
Date: 11 Jun 2026
Ownership: Through Deerfield Private Design Fund III, L.P.
Footnotes: F1, F5, F6

PBLS transaction

Voting Common Stock

Conversion of derivative security

Transaction value
Shares: +122,990
Change %
Price
Shares after: 122,990
Date: 11 Jun 2026
Ownership: Through Deerfield Private Design Fund III, L.P.
Footnotes: F1, F5, F6

PBLS transaction

Voting Common Stock

Conversion of derivative security

Transaction value
Shares: +122,990
Change %
Price
Shares after: 122,990
Date: 11 Jun 2026
Ownership: Through Deerfield Private Design Fund III, L.P.
Footnotes: F1, F5, F6

PBLS transaction

Voting Common Stock

Conversion of derivative security

Transaction value
Shares: +122,990
Change %
Price
Shares after: 122,990
Date: 11 Jun 2026
Ownership: Through Deerfield Private Design Fund III, L.P.
Footnotes: F1, F5, F6

PBLS transaction

Voting Common Stock

Conversion of derivative security

Transaction value
Shares: +122,990
Change %
Price
Shares after: 122,990
Date: 11 Jun 2026
Ownership: Through Deerfield Private Design Fund III, L.P.
Footnotes: F1, F5, F6

PBLS transaction

Voting Common Stock

Conversion of derivative security

Transaction value
Shares: +122,990
Change %
Price
Shares after: 122,990
Date: 11 Jun 2026
Ownership: Through Deerfield Healthcare Innovations Fund, L.P.
Footnotes: F1, F5, F6

PBLS transaction

Voting Common Stock

Conversion of derivative security

Transaction value
Shares: +122,990
Change %
Price
Shares after: 122,990
Date: 11 Jun 2026
Ownership: Through Deerfield Healthcare Innovations Fund, L.P.
Footnotes: F1, F5, F6

PBLS transaction

Voting Common Stock

Conversion of derivative security

Transaction value
Shares: +122,990
Change %
Price
Shares after: 122,990
Date: 11 Jun 2026
Ownership: Through Deerfield Healthcare Innovations Fund, L.P.
Footnotes: F1, F5, F6

PBLS transaction

Voting Common Stock

Conversion of derivative security

Transaction value
Shares: +122,990
Change %
Price
Shares after: 122,990
Date: 11 Jun 2026
Ownership: Through Deerfield Healthcare Innovations Fund, L.P.
Footnotes: F1, F5, F6

PBLS transaction

Voting Common Stock

Conversion of derivative security

Transaction value
Shares: +122,990
Change %
Price
Shares after: 122,990
Date: 11 Jun 2026
Ownership: Through Deerfield Healthcare Innovations Fund, L.P.
Footnotes: F1, F5, F6

PBLS transaction

Voting Common Stock

Conversion of derivative security

Transaction value
Shares: +122,990
Change %
Price
Shares after: 122,990
Date: 11 Jun 2026
Ownership: Through Deerfield Healthcare Innovations Fund, L.P.
Footnotes: F1, F5, F6

PBLS transaction

Voting Common Stock

Conversion of derivative security

Transaction value
Shares: +149,238
Change %: +121%
Price
Shares after: 272,228
Date: 11 Jun 2026
Ownership: Through Deerfield Private Design Fund III, L.P.
Footnotes: F2, F5, F6

PBLS transaction

Voting Common Stock

Conversion of derivative security

Transaction value
Shares: +149,238
Change %: +121%
Price
Shares after: 272,228
Date: 11 Jun 2026
Ownership: Through Deerfield Private Design Fund III, L.P.
Footnotes: F2, F5, F6

PBLS transaction

Voting Common Stock

Conversion of derivative security

Transaction value
Shares: +149,238
Change %: +121%
Price
Shares after: 272,228
Date: 11 Jun 2026
Ownership: Through Deerfield Private Design Fund III, L.P.
Footnotes: F2, F5, F6

PBLS transaction

Voting Common Stock

Conversion of derivative security

Transaction value
Shares: +149,238
Change %: +121%
Price
Shares after: 272,228
Date: 11 Jun 2026
Ownership: Through Deerfield Private Design Fund III, L.P.
Footnotes: F2, F5, F6

PBLS transaction

Voting Common Stock

Conversion of derivative security

Transaction value
Shares: +149,238
Change %: +121%
Price
Shares after: 272,228
Date: 11 Jun 2026
Ownership: Through Deerfield Private Design Fund III, L.P.
Footnotes: F2, F5, F6

PBLS transaction

Voting Common Stock

Conversion of derivative security

Transaction value
Shares: +149,238
Change %: +121%
Price
Shares after: 272,228
Date: 11 Jun 2026
Ownership: Through Deerfield Private Design Fund III, L.P.
Footnotes: F2, F5, F6

PBLS transaction

Voting Common Stock

Conversion of derivative security

Transaction value
Shares: +149,238
Change %: +121%
Price
Shares after: 272,228
Date: 11 Jun 2026
Ownership: Through Deerfield Healthcare Innovations Fund, L.P.
Footnotes: F2, F5, F6

PBLS transaction

Voting Common Stock

Conversion of derivative security

Transaction value
Shares: +149,238
Change %: +121%
Price
Shares after: 272,228
Date: 11 Jun 2026
Ownership: Through Deerfield Healthcare Innovations Fund, L.P.
Footnotes: F2, F5, F6

PBLS transaction

Voting Common Stock

Conversion of derivative security

Transaction value
Shares: +149,238
Change %: +121%
Price
Shares after: 272,228
Date: 11 Jun 2026
Ownership: Through Deerfield Healthcare Innovations Fund, L.P.
Footnotes: F2, F5, F6

PBLS transaction

Voting Common Stock

Conversion of derivative security

Transaction value
Shares: +149,238
Change %: +121%
Price
Shares after: 272,228
Date: 11 Jun 2026
Ownership: Through Deerfield Healthcare Innovations Fund, L.P.
Footnotes: F2, F5, F6

PBLS transaction

Voting Common Stock

Conversion of derivative security

Transaction value
Shares: +149,238
Change %: +121%
Price
Shares after: 272,228
Date: 11 Jun 2026
Ownership: Through Deerfield Healthcare Innovations Fund, L.P.
Footnotes: F2, F5, F6

PBLS transaction

Voting Common Stock

Conversion of derivative security

Transaction value
Shares: +149,238
Change %: +121%
Price
Shares after: 272,228
Date: 11 Jun 2026
Ownership: Through Deerfield Healthcare Innovations Fund, L.P.
Footnotes: F2, F5, F6

PBLS transaction

Voting Common Stock

Conversion of derivative security

Transaction value
Shares: +260,992
Change %: +96%
Price
Shares after: 533,220
Date: 11 Jun 2026
Ownership: Through Deerfield Private Design Fund III, L.P.
Footnotes: F3, F5, F6

PBLS transaction

Voting Common Stock

Conversion of derivative security

Transaction value
Shares: +260,992
Change %: +96%
Price
Shares after: 533,220
Date: 11 Jun 2026
Ownership: Through Deerfield Private Design Fund III, L.P.
Footnotes: F3, F5, F6

PBLS transaction

Voting Common Stock

Conversion of derivative security

Transaction value
Shares: +260,992
Change %: +96%
Price
Shares after: 533,220
Date: 11 Jun 2026
Ownership: Through Deerfield Private Design Fund III, L.P.
Footnotes: F3, F5, F6

PBLS transaction

Voting Common Stock

Conversion of derivative security

Transaction value
Shares: +260,992
Change %: +96%
Price
Shares after: 533,220
Date: 11 Jun 2026
Ownership: Through Deerfield Private Design Fund III, L.P.
Footnotes: F3, F5, F6

PBLS transaction

Voting Common Stock

Conversion of derivative security

Transaction value
Shares: +260,992
Change %: +96%
Price
Shares after: 533,220
Date: 11 Jun 2026
Ownership: Through Deerfield Private Design Fund III, L.P.
Footnotes: F3, F5, F6

PBLS transaction

Voting Common Stock

Conversion of derivative security

Transaction value
Shares: +260,992
Change %: +96%
Price
Shares after: 533,220
Date: 11 Jun 2026
Ownership: Through Deerfield Private Design Fund III, L.P.
Footnotes: F3, F5, F6

PBLS transaction

Voting Common Stock

Conversion of derivative security

Transaction value
Shares: +260,992
Change %: +96%
Price
Shares after: 533,220
Date: 11 Jun 2026
Ownership: Through Deerfield Healthcare Innovations Fund, L.P.
Footnotes: F3, F5, F6

PBLS transaction

Voting Common Stock

Conversion of derivative security

Transaction value
Shares: +260,992
Change %: +96%
Price
Shares after: 533,220
Date: 11 Jun 2026
Ownership: Through Deerfield Healthcare Innovations Fund, L.P.
Footnotes: F3, F5, F6

PBLS transaction

Voting Common Stock

Conversion of derivative security

Transaction value
Shares: +260,992
Change %: +96%
Price
Shares after: 533,220
Date: 11 Jun 2026
Ownership: Through Deerfield Healthcare Innovations Fund, L.P.
Footnotes: F3, F5, F6

PBLS transaction

Voting Common Stock

Conversion of derivative security

Transaction value
Shares: +260,992
Change %: +96%
Price
Shares after: 533,220
Date: 11 Jun 2026
Ownership: Through Deerfield Healthcare Innovations Fund, L.P.
Footnotes: F3, F5, F6

PBLS transaction

Voting Common Stock

Conversion of derivative security

Transaction value
Shares: +260,992
Change %: +96%
Price
Shares after: 533,220
Date: 11 Jun 2026
Ownership: Through Deerfield Healthcare Innovations Fund, L.P.
Footnotes: F3, F5, F6

PBLS transaction

Voting Common Stock

Conversion of derivative security

Transaction value
Shares: +260,992
Change %: +96%
Price
Shares after: 533,220
Date: 11 Jun 2026
Ownership: Through Deerfield Healthcare Innovations Fund, L.P.
Footnotes: F3, F5, F6

PBLS transaction

Voting Common Stock

Conversion of derivative security

Transaction value
Shares: +407,132
Change %: +76%
Price
Shares after: 940,352
Date: 11 Jun 2026
Ownership: Through Deerfield Private Design Fund III, L.P.
Footnotes: F4, F5, F6

PBLS transaction

Voting Common Stock

Conversion of derivative security

Transaction value
Shares: +407,132
Change %: +76%
Price
Shares after: 940,352
Date: 11 Jun 2026
Ownership: Through Deerfield Private Design Fund III, L.P.
Footnotes: F4, F5, F6

PBLS transaction

Voting Common Stock

Conversion of derivative security

Transaction value
Shares: +407,132
Change %: +76%
Price
Shares after: 940,352
Date: 11 Jun 2026
Ownership: Through Deerfield Private Design Fund III, L.P.
Footnotes: F4, F5, F6

PBLS transaction

Voting Common Stock

Conversion of derivative security

Transaction value
Shares: +407,132
Change %: +76%
Price
Shares after: 940,352
Date: 11 Jun 2026
Ownership: Through Deerfield Private Design Fund III, L.P.
Footnotes: F4, F5, F6

PBLS transaction

Voting Common Stock

Conversion of derivative security

Transaction value
Shares: +407,132
Change %: +76%
Price
Shares after: 940,352
Date: 11 Jun 2026
Ownership: Through Deerfield Private Design Fund III, L.P.
Footnotes: F4, F5, F6

PBLS transaction

Voting Common Stock

Conversion of derivative security

Transaction value
Shares: +407,132
Change %: +76%
Price
Shares after: 940,352
Date: 11 Jun 2026
Ownership: Through Deerfield Private Design Fund III, L.P.
Footnotes: F4, F5, F6

PBLS transaction

Voting Common Stock

Conversion of derivative security

Transaction value
Shares: +407,132
Change %: +76%
Price
Shares after: 940,352
Date: 11 Jun 2026
Ownership: Through Deerfield Healthcare Innovations Fund, L.P.
Footnotes: F4, F5, F6

PBLS transaction

Voting Common Stock

Conversion of derivative security

Transaction value
Shares: +407,132
Change %: +76%
Price
Shares after: 940,352
Date: 11 Jun 2026
Ownership: Through Deerfield Healthcare Innovations Fund, L.P.
Footnotes: F4, F5, F6

PBLS transaction

Voting Common Stock

Conversion of derivative security

Transaction value
Shares: +407,132
Change %: +76%
Price
Shares after: 940,352
Date: 11 Jun 2026
Ownership: Through Deerfield Healthcare Innovations Fund, L.P.
Footnotes: F4, F5, F6

PBLS transaction

Voting Common Stock

Conversion of derivative security

Transaction value
Shares: +407,132
Change %: +76%
Price
Shares after: 940,352
Date: 11 Jun 2026
Ownership: Through Deerfield Healthcare Innovations Fund, L.P.
Footnotes: F4, F5, F6

PBLS transaction

Voting Common Stock

Conversion of derivative security

Transaction value
Shares: +407,132
Change %: +76%
Price
Shares after: 940,352
Date: 11 Jun 2026
Ownership: Through Deerfield Healthcare Innovations Fund, L.P.
Footnotes: F4, F5, F6

PBLS transaction

Voting Common Stock

Conversion of derivative security

Transaction value
Shares: +407,132
Change %: +76%
Price
Shares after: 940,352
Date: 11 Jun 2026
Ownership: Through Deerfield Healthcare Innovations Fund, L.P.
Footnotes: F4, F5, F6

Reported derivative securities

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

PBLS transaction Derivative

Series A Preferred Stock

Conversion of derivative security

Transaction value
Shares: -166,070
Change %: -100%
Price
Shares after: 0
Date: 11 Jun 2026
Ownership: Through Deerfield Private Design Fund III, L.P.
Underlying class: Voting Common Stock
Underlying amount: 122,990
Exercise price
Footnotes: F1, F5, F6

PBLS transaction Derivative

Series A Preferred Stock

Conversion of derivative security

Transaction value
Shares: -166,070
Change %: -100%
Price
Shares after: 0
Date: 11 Jun 2026
Ownership: Through Deerfield Private Design Fund III, L.P.
Underlying class: Voting Common Stock
Underlying amount: 122,990
Exercise price
Footnotes: F1, F5, F6

PBLS transaction Derivative

Series A Preferred Stock

Conversion of derivative security

Transaction value
Shares: -166,070
Change %: -100%
Price
Shares after: 0
Date: 11 Jun 2026
Ownership: Through Deerfield Private Design Fund III, L.P.
Underlying class: Voting Common Stock
Underlying amount: 122,990
Exercise price
Footnotes: F1, F5, F6

PBLS transaction Derivative

Series A Preferred Stock

Conversion of derivative security

Transaction value
Shares: -166,070
Change %: -100%
Price
Shares after: 0
Date: 11 Jun 2026
Ownership: Through Deerfield Private Design Fund III, L.P.
Underlying class: Voting Common Stock
Underlying amount: 122,990
Exercise price
Footnotes: F1, F5, F6

PBLS transaction Derivative

Series A Preferred Stock

Conversion of derivative security

Transaction value
Shares: -166,070
Change %: -100%
Price
Shares after: 0
Date: 11 Jun 2026
Ownership: Through Deerfield Private Design Fund III, L.P.
Underlying class: Voting Common Stock
Underlying amount: 122,990
Exercise price
Footnotes: F1, F5, F6

PBLS transaction Derivative

Series A Preferred Stock

Conversion of derivative security

Transaction value
Shares: -166,070
Change %: -100%
Price
Shares after: 0
Date: 11 Jun 2026
Ownership: Through Deerfield Private Design Fund III, L.P.
Underlying class: Voting Common Stock
Underlying amount: 122,990
Exercise price
Footnotes: F1, F5, F6

PBLS transaction Derivative

Series A Preferred Stock

Conversion of derivative security

Transaction value
Shares: -166,070
Change %: -100%
Price
Shares after: 0
Date: 11 Jun 2026
Ownership: Through Deerfield Healthcare Innovations Fund, L.P.
Underlying class: Voting Common Stock
Underlying amount: 122,990
Exercise price
Footnotes: F1, F5, F6

PBLS transaction Derivative

Series A Preferred Stock

Conversion of derivative security

Transaction value
Shares: -166,070
Change %: -100%
Price
Shares after: 0
Date: 11 Jun 2026
Ownership: Through Deerfield Healthcare Innovations Fund, L.P.
Underlying class: Voting Common Stock
Underlying amount: 122,990
Exercise price
Footnotes: F1, F5, F6

PBLS transaction Derivative

Series A Preferred Stock

Conversion of derivative security

Transaction value
Shares: -166,070
Change %: -100%
Price
Shares after: 0
Date: 11 Jun 2026
Ownership: Through Deerfield Healthcare Innovations Fund, L.P.
Underlying class: Voting Common Stock
Underlying amount: 122,990
Exercise price
Footnotes: F1, F5, F6

PBLS transaction Derivative

Series A Preferred Stock

Conversion of derivative security

Transaction value
Shares: -166,070
Change %: -100%
Price
Shares after: 0
Date: 11 Jun 2026
Ownership: Through Deerfield Healthcare Innovations Fund, L.P.
Underlying class: Voting Common Stock
Underlying amount: 122,990
Exercise price
Footnotes: F1, F5, F6

PBLS transaction Derivative

Series A Preferred Stock

Conversion of derivative security

Transaction value
Shares: -166,070
Change %: -100%
Price
Shares after: 0
Date: 11 Jun 2026
Ownership: Through Deerfield Healthcare Innovations Fund, L.P.
Underlying class: Voting Common Stock
Underlying amount: 122,990
Exercise price
Footnotes: F1, F5, F6

PBLS transaction Derivative

Series A Preferred Stock

Conversion of derivative security

Transaction value
Shares: -166,070
Change %: -100%
Price
Shares after: 0
Date: 11 Jun 2026
Ownership: Through Deerfield Healthcare Innovations Fund, L.P.
Underlying class: Voting Common Stock
Underlying amount: 122,990
Exercise price
Footnotes: F1, F5, F6

PBLS transaction Derivative

Series B Preferred Stock

Conversion of derivative security

Transaction value
Shares: -143,650
Change %: -100%
Price
Shares after: 0
Date: 11 Jun 2026
Ownership: Through Deerfield Private Design Fund III, L.P.
Underlying class: Voting Common Stock
Underlying amount: 149,238
Exercise price
Footnotes: F2, F5, F6

PBLS transaction Derivative

Series B Preferred Stock

Conversion of derivative security

Transaction value
Shares: -143,650
Change %: -100%
Price
Shares after: 0
Date: 11 Jun 2026
Ownership: Through Deerfield Private Design Fund III, L.P.
Underlying class: Voting Common Stock
Underlying amount: 149,238
Exercise price
Footnotes: F2, F5, F6

PBLS transaction Derivative

Series B Preferred Stock

Conversion of derivative security

Transaction value
Shares: -143,650
Change %: -100%
Price
Shares after: 0
Date: 11 Jun 2026
Ownership: Through Deerfield Private Design Fund III, L.P.
Underlying class: Voting Common Stock
Underlying amount: 149,238
Exercise price
Footnotes: F2, F5, F6

PBLS transaction Derivative

Series B Preferred Stock

Conversion of derivative security

Transaction value
Shares: -143,650
Change %: -100%
Price
Shares after: 0
Date: 11 Jun 2026
Ownership: Through Deerfield Private Design Fund III, L.P.
Underlying class: Voting Common Stock
Underlying amount: 149,238
Exercise price
Footnotes: F2, F5, F6

PBLS transaction Derivative

Series B Preferred Stock

Conversion of derivative security

Transaction value
Shares: -143,650
Change %: -100%
Price
Shares after: 0
Date: 11 Jun 2026
Ownership: Through Deerfield Private Design Fund III, L.P.
Underlying class: Voting Common Stock
Underlying amount: 149,238
Exercise price
Footnotes: F2, F5, F6

PBLS transaction Derivative

Series B Preferred Stock

Conversion of derivative security

Transaction value
Shares: -143,650
Change %: -100%
Price
Shares after: 0
Date: 11 Jun 2026
Ownership: Through Deerfield Private Design Fund III, L.P.
Underlying class: Voting Common Stock
Underlying amount: 149,238
Exercise price
Footnotes: F2, F5, F6

PBLS transaction Derivative

Series B Preferred Stock

Conversion of derivative security

Transaction value
Shares: -143,650
Change %: -100%
Price
Shares after: 0
Date: 11 Jun 2026
Ownership: Through Deerfield Healthcare Innovations Fund, L.P.
Underlying class: Voting Common Stock
Underlying amount: 149,238
Exercise price
Footnotes: F2, F5, F6

PBLS transaction Derivative

Series B Preferred Stock

Conversion of derivative security

Transaction value
Shares: -143,650
Change %: -100%
Price
Shares after: 0
Date: 11 Jun 2026
Ownership: Through Deerfield Healthcare Innovations Fund, L.P.
Underlying class: Voting Common Stock
Underlying amount: 149,238
Exercise price
Footnotes: F2, F5, F6

PBLS transaction Derivative

Series B Preferred Stock

Conversion of derivative security

Transaction value
Shares: -143,650
Change %: -100%
Price
Shares after: 0
Date: 11 Jun 2026
Ownership: Through Deerfield Healthcare Innovations Fund, L.P.
Underlying class: Voting Common Stock
Underlying amount: 149,238
Exercise price
Footnotes: F2, F5, F6

PBLS transaction Derivative

Series B Preferred Stock

Conversion of derivative security

Transaction value
Shares: -143,650
Change %: -100%
Price
Shares after: 0
Date: 11 Jun 2026
Ownership: Through Deerfield Healthcare Innovations Fund, L.P.
Underlying class: Voting Common Stock
Underlying amount: 149,238
Exercise price
Footnotes: F2, F5, F6

PBLS transaction Derivative

Series B Preferred Stock

Conversion of derivative security

Transaction value
Shares: -143,650
Change %: -100%
Price
Shares after: 0
Date: 11 Jun 2026
Ownership: Through Deerfield Healthcare Innovations Fund, L.P.
Underlying class: Voting Common Stock
Underlying amount: 149,238
Exercise price
Footnotes: F2, F5, F6

PBLS transaction Derivative

Series B Preferred Stock

Conversion of derivative security

Transaction value
Shares: -143,650
Change %: -100%
Price
Shares after: 0
Date: 11 Jun 2026
Ownership: Through Deerfield Healthcare Innovations Fund, L.P.
Underlying class: Voting Common Stock
Underlying amount: 149,238
Exercise price
Footnotes: F2, F5, F6

PBLS transaction Derivative

Series C Preferred Stock

Conversion of derivative security

Transaction value
Shares: -246,732
Change %: -100%
Price
Shares after: 0
Date: 11 Jun 2026
Ownership: Through Deerfield Private Design Fund III, L.P.
Underlying class: Voting Common Stock
Underlying amount: 260,992
Exercise price
Footnotes: F3, F5, F6

PBLS transaction Derivative

Series C Preferred Stock

Conversion of derivative security

Transaction value
Shares: -246,732
Change %: -100%
Price
Shares after: 0
Date: 11 Jun 2026
Ownership: Through Deerfield Private Design Fund III, L.P.
Underlying class: Voting Common Stock
Underlying amount: 260,992
Exercise price
Footnotes: F3, F5, F6

PBLS transaction Derivative

Series C Preferred Stock

Conversion of derivative security

Transaction value
Shares: -246,732
Change %: -100%
Price
Shares after: 0
Date: 11 Jun 2026
Ownership: Through Deerfield Private Design Fund III, L.P.
Underlying class: Voting Common Stock
Underlying amount: 260,992
Exercise price
Footnotes: F3, F5, F6

PBLS transaction Derivative

Series C Preferred Stock

Conversion of derivative security

Transaction value
Shares: -246,732
Change %: -100%
Price
Shares after: 0
Date: 11 Jun 2026
Ownership: Through Deerfield Private Design Fund III, L.P.
Underlying class: Voting Common Stock
Underlying amount: 260,992
Exercise price
Footnotes: F3, F5, F6

PBLS transaction Derivative

Series C Preferred Stock

Conversion of derivative security

Transaction value
Shares: -246,732
Change %: -100%
Price
Shares after: 0
Date: 11 Jun 2026
Ownership: Through Deerfield Private Design Fund III, L.P.
Underlying class: Voting Common Stock
Underlying amount: 260,992
Exercise price
Footnotes: F3, F5, F6

PBLS transaction Derivative

Series C Preferred Stock

Conversion of derivative security

Transaction value
Shares: -246,732
Change %: -100%
Price
Shares after: 0
Date: 11 Jun 2026
Ownership: Through Deerfield Private Design Fund III, L.P.
Underlying class: Voting Common Stock
Underlying amount: 260,992
Exercise price
Footnotes: F3, F5, F6

PBLS transaction Derivative

Series C Preferred Stock

Conversion of derivative security

Transaction value
Shares: -246,732
Change %: -100%
Price
Shares after: 0
Date: 11 Jun 2026
Ownership: Through Deerfield Healthcare Innovations Fund, L.P.
Underlying class: Voting Common Stock
Underlying amount: 260,992
Exercise price
Footnotes: F3, F5, F6

PBLS transaction Derivative

Series C Preferred Stock

Conversion of derivative security

Transaction value
Shares: -246,732
Change %: -100%
Price
Shares after: 0
Date: 11 Jun 2026
Ownership: Through Deerfield Healthcare Innovations Fund, L.P.
Underlying class: Voting Common Stock
Underlying amount: 260,992
Exercise price
Footnotes: F3, F5, F6

PBLS transaction Derivative

Series C Preferred Stock

Conversion of derivative security

Transaction value
Shares: -246,732
Change %: -100%
Price
Shares after: 0
Date: 11 Jun 2026
Ownership: Through Deerfield Healthcare Innovations Fund, L.P.
Underlying class: Voting Common Stock
Underlying amount: 260,992
Exercise price
Footnotes: F3, F5, F6

PBLS transaction Derivative

Series C Preferred Stock

Conversion of derivative security

Transaction value
Shares: -246,732
Change %: -100%
Price
Shares after: 0
Date: 11 Jun 2026
Ownership: Through Deerfield Healthcare Innovations Fund, L.P.
Underlying class: Voting Common Stock
Underlying amount: 260,992
Exercise price
Footnotes: F3, F5, F6

PBLS transaction Derivative

Series C Preferred Stock

Conversion of derivative security

Transaction value
Shares: -246,732
Change %: -100%
Price
Shares after: 0
Date: 11 Jun 2026
Ownership: Through Deerfield Healthcare Innovations Fund, L.P.
Underlying class: Voting Common Stock
Underlying amount: 260,992
Exercise price
Footnotes: F3, F5, F6

PBLS transaction Derivative

Series C Preferred Stock

Conversion of derivative security

Transaction value
Shares: -246,732
Change %: -100%
Price
Shares after: 0
Date: 11 Jun 2026
Ownership: Through Deerfield Healthcare Innovations Fund, L.P.
Underlying class: Voting Common Stock
Underlying amount: 260,992
Exercise price
Footnotes: F3, F5, F6

PBLS transaction Derivative

Series D Preferred Stock

Conversion of derivative security

Transaction value
Shares: -464,550
Change %: -100%
Price
Shares after: 0
Date: 11 Jun 2026
Ownership: Through Deerfield Private Design Fund III, L.P.
Underlying class: Voting Common Stock
Underlying amount: 407,132
Exercise price
Footnotes: F4, F5, F6

PBLS transaction Derivative

Series D Preferred Stock

Conversion of derivative security

Transaction value
Shares: -464,550
Change %: -100%
Price
Shares after: 0
Date: 11 Jun 2026
Ownership: Through Deerfield Private Design Fund III, L.P.
Underlying class: Voting Common Stock
Underlying amount: 407,132
Exercise price
Footnotes: F4, F5, F6

PBLS transaction Derivative

Series D Preferred Stock

Conversion of derivative security

Transaction value
Shares: -464,550
Change %: -100%
Price
Shares after: 0
Date: 11 Jun 2026
Ownership: Through Deerfield Private Design Fund III, L.P.
Underlying class: Voting Common Stock
Underlying amount: 407,132
Exercise price
Footnotes: F4, F5, F6

PBLS transaction Derivative

Series D Preferred Stock

Conversion of derivative security

Transaction value
Shares: -464,550
Change %: -100%
Price
Shares after: 0
Date: 11 Jun 2026
Ownership: Through Deerfield Private Design Fund III, L.P.
Underlying class: Voting Common Stock
Underlying amount: 407,132
Exercise price
Footnotes: F4, F5, F6

PBLS transaction Derivative

Series D Preferred Stock

Conversion of derivative security

Transaction value
Shares: -464,550
Change %: -100%
Price
Shares after: 0
Date: 11 Jun 2026
Ownership: Through Deerfield Private Design Fund III, L.P.
Underlying class: Voting Common Stock
Underlying amount: 407,132
Exercise price
Footnotes: F4, F5, F6

PBLS transaction Derivative

Series D Preferred Stock

Conversion of derivative security

Transaction value
Shares: -464,550
Change %: -100%
Price
Shares after: 0
Date: 11 Jun 2026
Ownership: Through Deerfield Private Design Fund III, L.P.
Underlying class: Voting Common Stock
Underlying amount: 407,132
Exercise price
Footnotes: F4, F5, F6

PBLS transaction Derivative

Series D Preferred Stock

Conversion of derivative security

Transaction value
Shares: -464,550
Change %: -100%
Price
Shares after: 0
Date: 11 Jun 2026
Ownership: Through Deerfield Healthcare Innovations Fund, L.P.
Underlying class: Voting Common Stock
Underlying amount: 407,132
Exercise price
Footnotes: F4, F5, F6

PBLS transaction Derivative

Series D Preferred Stock

Conversion of derivative security

Transaction value
Shares: -464,550
Change %: -100%
Price
Shares after: 0
Date: 11 Jun 2026
Ownership: Through Deerfield Healthcare Innovations Fund, L.P.
Underlying class: Voting Common Stock
Underlying amount: 407,132
Exercise price
Footnotes: F4, F5, F6

PBLS transaction Derivative

Series D Preferred Stock

Conversion of derivative security

Transaction value
Shares: -464,550
Change %: -100%
Price
Shares after: 0
Date: 11 Jun 2026
Ownership: Through Deerfield Healthcare Innovations Fund, L.P.
Underlying class: Voting Common Stock
Underlying amount: 407,132
Exercise price
Footnotes: F4, F5, F6

PBLS transaction Derivative

Series D Preferred Stock

Conversion of derivative security

Transaction value
Shares: -464,550
Change %: -100%
Price
Shares after: 0
Date: 11 Jun 2026
Ownership: Through Deerfield Healthcare Innovations Fund, L.P.
Underlying class: Voting Common Stock
Underlying amount: 407,132
Exercise price
Footnotes: F4, F5, F6

PBLS transaction Derivative

Series D Preferred Stock

Conversion of derivative security

Transaction value
Shares: -464,550
Change %: -100%
Price
Shares after: 0
Date: 11 Jun 2026
Ownership: Through Deerfield Healthcare Innovations Fund, L.P.
Underlying class: Voting Common Stock
Underlying amount: 407,132
Exercise price
Footnotes: F4, F5, F6

PBLS transaction Derivative

Series D Preferred Stock

Conversion of derivative security

Transaction value
Shares: -464,550
Change %: -100%
Price
Shares after: 0
Date: 11 Jun 2026
Ownership: Through Deerfield Healthcare Innovations Fund, L.P.
Underlying class: Voting Common Stock
Underlying amount: 407,132
Exercise price
Footnotes: F4, F5, F6

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

Additional SEC filing notes

Filing notes and footnotes

Section 16 status

James E. Flynn is no longer subject to Section 16 filing requirements. Form 4 or Form 5 obligations may still apply in specific circumstances.

Explanation of responses 6 footnotes

Footnote F1

Each share of Series A Preferred Stock automatically converted into approximately 0.7406 shares of the Issuer's voting common stock upon the closing of the Issuer's initial public offering (on an adjusted basis after giving effect to the 1-for-1.5389 reverse split of the Issuer's common stock effected by the Issuer on June 3, 2026).

Footnote F2

Each share of Series B Preferred Stock automatically converted into approximately 1.0389 shares of the Issuer's voting common stock upon the closing of the Issuer's initial public offering (on an adjusted basis after giving effect to the 1-for-1.5389 reverse split of the Issuer's common stock effected by the Issuer on June 3, 2026).

Footnote F3

Each share of Series C Preferred Stock automatically converted into approximately 1.0578 shares of the Issuer's voting common stock upon the closing of the Issuer's initial public offering (on an adjusted basis after giving effect to the 1-for-1.5389 reverse split of the Issuer's common stock effected by the Issuer on June 3, 2026).

Footnote F4

Each share of Series D Preferred Stock automatically converted into approximately 0.8764 shares of the Issuer's voting common stock upon the closing of the Issuer's initial public offering (on an adjusted basis after giving effect to the 1-for-1.5389 reverse split of the Issuer's common stock effected by the Issuer on June 3, 2026).

Footnote F5

This Form 4 is being filed by the undersigned as well as the entities listed on the Joint Filer Information Statement attached as an exhibit hereto (the "Reporting Persons"). Deerfield Mgmt III, L.P. is the general partner of Deerfield Private Design Fund III, L.P. ("Fund III"). Deerfield Mgmt HIF, L.P. is the general partner of Deerfield Healthcare Innovations Fund, L.P. ("Deerfield Innovations" and together with Fund III, the "Funds"). Deerfield Management Company, L.P. is the investment manager of the Funds.

Footnote F6

In accordance with Instruction 4(b)(iv) to Form 4, the entire amount of the Issuer's securities held by each Fund is reported herein. For purposes of Section 16 of the Securities Exchange Act of 1934, as amended, each Reporting Person disclaims beneficial ownership of any such securities, except to the extent of his/its indirect pecuniary interest therein, if any, and this report shall not be deemed an admission that such Reporting Person is the beneficial owner of such securities for purposes of Section 16 or otherwise.

SEC remarks

Jonathan Isler, Attorney-in-Fact: Power of Attorney, which is hereby incorporated by reference to Exhibit 24 to a Form 3 with regard to BiomX Inc. filed with the Securities and Exchange Commission on March 19, 2024 by Deerfield Private Design Fund V, L.P., Deerfield Healthcare Innovations Fund II, L.P., Deerfield Mgmt V, L.P., Deerfield Mgmt HIF II, L.P., Deerfield Management Company, L.P. and James E. Flynn.

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