Rebecca Luse - Sep 10, 2025 Form 4 Insider Report for LB PHARMACEUTICALS INC (LBRX)

Role: Director
Signature: /s/ Marc Panoff, Attorney-in-Fact
Stock symbol: LBRX
Transactions as of: Sep 10, 2025
Transactions value $: $0
Form type: 4
Date filed: 9/12/2025, 06:25 PM
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Luse Rebecca	Director	C/O LB PHARMACEUTICALS INC, ONE PENNSYLVANIA PLAZA, SUITE 1025, NEW YORK	/s/ Marc Panoff, Attorney-in-Fact	2025-09-12	0002031342

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	LBRX	Stock Option (Right to Buy)	Award	$0	+22.4K		$0.00	22.4K	Sep 10, 2025	Common Stock	22.4K	$15.00	Direct	F1

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	The option award shall vest in three (3) equal annual installments on September 10, 2026, September 10, 2027 and September 10, 2028, subject to the Reporting Person's continuous service through such vesting date.