LB PHARMACEUTICALS INC — Director's Dealing 2026

Feb 10, 2026

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: LB PHARMACEUTICALS INC (LBRX)
CIK: 0001691082
Period of Report: 2026-02-06

Reporting Person: Deep Track Biotechnology Master Fund, Ltd. (N/A)
Reporting Person: Deep Track Special Opportunities Fund, LP (N/A)
Reporting Person: Deep Track Capital, LP (N/A)
Reporting Person: KROIN DAVID (N/A)

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2026-02-06	Pre-Funded Warrants (Right to Buy)	$0.0001	P	378444	Acquired		Common Stock (378444)	Direct
2026-02-06	Pre-Funded Warrants (Right to Buy)	$0.0001	P	93925	Acquired		Common Stock (93925)	Indirect

Footnotes

F1: The Pre-Funded Warrants are exercisable immediately and may be exercised at any time until all of the Pre-Funded Warrants are exercised in full. The Pre-Funded Warrants do not expire.

F2: Under the terms of the Pre-Funded Warrants held by the Reporting Persons, the Issuer may not effect the exercise of any such Pre-Funded Warrant, and a holder will not be entitled to exercise any portion of any such Pre-Funded Warrant (i) if immediately prior to the exercise, the Reporting Persons (together with its affiliates), beneficially owns an aggregate number of shares of Issuer Common Stock greater than 9.99%, as applicable (the "Maximum Percentage"), of the total number of issued and outstanding shares of Common Stock of the Issuer without taking into account any shares underlying such Pre-Funded Warrants, or (ii) to the extent that immediately following the exercise, the holder (together with its affiliates) would beneficially own in excess of the Maximum Percentage of the number of shares of Common Stock outstanding immediately after giving effect to the issuance of such shares of Common Stock.

F3: Represents securities held by Deep Track Biotechnology Master Fund, Ltd. Deep Track Capital, LP is the investment manager of Deep Track Biotechnology Master Fund, Ltd. Mr. David Kroin is the managing member of Deep Track Capital GP, LLC, the general partner of Deep Track Capital, LP, and by virtue of such status may be deemed to be the beneficial owner of the shares owned by Deep Track Biotechnology Master Fund, Ltd. Deep Track Capital, LP and Mr. Kroin disclaim beneficial ownership of such shares except to the extent of their respective pecuniary interests.

F4: Represents securities held by Deep Track Special Opportunities Fund, LP. Deep Track Capital, LP is the investment manager of Deep Track Special Opportunities Fund LP. Mr. David Kroin is the managing member of Deep Track Capital GP, LLC, the general partner of Deep Track Capital, LP, and by virtue of such status may be deemed to be the beneficial owner of the shares owned by Deep Track Special Opportunities Fund, LP. Deep Track Capital, LP and Mr. Kroin disclaim beneficial ownership of such shares except to the extent of their respective pecuniary interests.