Ran Nussbaum - 10 Sep 2025 Form 4 Insider Report for LB PHARMACEUTICALS INC

Role: Director
Signature: /s/ Marc Panoff, Attorney-in-Fact
Issuer symbol: LBRX on Nasdaq
Transactions as of: 10 Sep 2025
Net transactions value: $0
Form type: 4
Filing time: 12 Sep 2025, 18:25:14 UTC
Previous filing: 11 Jun 2025
Next filing: 16 Sep 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Nussbaum Ran	Director	C/O LB PHARMACEUTICALS INC, ONE PENNSYLVANIA PLAZA, SUITE 1025, NEW YORK	/s/ Marc Panoff, Attorney-in-Fact	12 Sep 2025	0001609805

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	+22,449		$0.000000	22,449	10 Sep 2025	Common Stock	22,449	$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.