Robert A. Lenz - 06 Mar 2026 Form 4 Insider Report for LB PHARMACEUTICALS INC (LBRX)

Role: Director
Signature: /s/ Marc Panoff, Attorney-in-Fact
Issuer symbol: LBRX
Transactions as of: 06 Mar 2026
Net transactions value: $0
Form type: 4
Filing time: 10 Mar 2026, 16:19:34 UTC
Previous filing: 20 Feb 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Lenz Robert A.	Director	C/O LB PHARMACEUTICALS INC, ONE PENNSYLVANIA PLAZA, SUITE 1025, NEW YORK	/s/ Marc Panoff, Attorney-in-Fact	10 Mar 2026	0001992908

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		+20,000		$0.000000^*	20,000	06 Mar 2026	Common Stock	20,000	$23.78	Direct	F1

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

Explanation of Responses:

Id	Content
F1	The shares subject to the option award shall vest in three (3) equal annual installments on March 6, 2027, March 6, 2028 and March 6, 2029, subject to the Reporting Person's continuous service through each such date.