LB Pharmaceuticals Inc

Item 5.02 Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers. Appointment of Chief Medical Officer On September 15, 2026, LB Pharmaceuticals Inc (the “Company”) announced that Susan G. Kozauer, M.D. has been appointed to serve as the Company’s Chief Medical Officer, effective as of September 14, 2026 (the “Start Date”). Dr. Kozauer, age 54, served as the Senior Vice President, Head of Clinical Development at Centessa Pharmaceuticals from August 2025 to September 2026. Prior to that, she served as the Vice President in Clinical Development at Intra-Cellular Therapies, Inc. from November 2017 to August 2025 Earlier in her career. Dr. Kozauer held roles at Premier Research International LLC and Quintiles. Dr. Kozauer holds a BA from Cornell University and a medical degree from the George Washington University School of Medicine and Health Sciences, and she completed her residency in psychiatry at Georgetown University Medical Center. In connection with Dr. Kozauer’s employment, the Company entered into an employment agreement (the “Employment Agreement”), which sets forth certain terms of Dr. Kozauer’s employment. Pursuant to the Employment Agreement, Dr. Kozauer is entitled to an initial annual base salary of $515,000 (the “Annual Base Salary”) and an annual discretionary bonus with a target amount equal to 40% of her annual base salary (the “Target Bonus”). Dr. Kozauer is also entitled to a one-time cash sign-on bonus of $150,000 (the “Sign-on Bonus”), payable in a lump sum within 30 days following the Start Date. Dr. Kozauer will earn 50% of the Sign-on Bonus on each of the first and second anniversaries of the Start Date, subject to her continued employment, and must repay any unearned portion if her employment terminates before the second anniversary. The employment of Dr. Kozauer is “at will” and the Employment Agreement continues until terminated by either party. As provided in the Employment Agreement, Dr. Kozauer is eligible to participate in the employee benefit plans generally available to the Company’s employees, and is subject to customary confidentiality covenants, as well as a non-solicitation covenant for a period of 12 months following her termination of employment. Pursuant to the terms of the Employment Agreement, subject to approval by the Board, the Company will grant Dr. Kozauer an option outside, but subject to the terms, of the Company’s 2025 Equity Incentive Plan (the “Plan”) to purchase 200,000 shares of the Company’s common stock (the “Option”). The Option will vest over four years, with 25% of the shares subject to the Option vesting on the first anniversary of the Start Date and the remaining shares vesting monthly thereafter, subject to Dr. Kozauer’s continued service to the Company through each applicable vesting date. The Option will be granted as an inducement material to Dr. Kozauer entering into employment with the Company in accordance with Nasdaq Listing Rule 5635(c)(4). Dr. Kozauer has not previously been an employee or director of the Company. Dr. Kozauer is entitled to certain severance benefits, subject to specific requirements, including signing and not revoking a separation agreement and release of claims. Cause, change of control, disability and good reason are defined in the Employment Agreement. In the event Dr. Kozauer is terminated by the Company involuntarily without cause (and not due to death or disability) or she resigns for good reason, in each case, not in connection with a change of control, then Dr. Kozauer is entitled to cash severance equal to continued base salary payments for nine months and payment of COBRA premiums for up to nine months. If within three months before or within 12 months following a change of control, Dr. Kozauer is terminated by the Company without cause (and not due to death or disability) or she resigns for good reason, Dr. Kozauer will be entitled to: (a) a lump sum payment equal to the sum of (i) one year of her Annual Base Salary then in effect and (ii) 150% of her Target Bonus for the year of termination; (b) reimbursement of COBRA premiums for up to 12 months; and (d) acceleration of all of her unvested and outstanding equity awards. If Dr. Kozauer is terminated by the Company without cause (and not due to death or disability) or she resigns for good reason other than during the change in control period described above, Dr. Kozauer will be entitled to: (a) nine months of her Annual Base Salary then in effect, paid as salary continuation over nine-month period, and (b) reimbursement of COBRA premiums for up to nine months. There are no arrangements or understandings between Dr. Kozauer and any other person pursuant to which Dr. Kozauer was selected as the Company’s Chief Medical Officer. Other than with respect to the Employment Agreement, there are no transactions to which the Company is a party and in which Dr. Kozauer has a material interest that are required to be disclosed under Item 404(a) of Regulation S-K. Dr. Kozauer has no family relations with any directors or executive officers of the Company. The foregoing description of the Employment Agreement does not purport to be complete and is qualified in its entirety by reference to the full text of the Employment Agreement, which the Company intends to file as an exhibit to its Quarterly Report on Form 10-Q for the quarter ending September 30, 2026. In connection with her appointment as Chief Medical Officer, the Company will enter into its standard form of indemnification agreement with Dr. Kozauer, a copy of which was filed as Exhibit 10.12 to the Company’s Annual Report on Form 10-K for the fiscal year ended December 31, 2025. The Company elected to delay the filing of the disclosure of Dr. Kozauer’s appointment until the public announcement of her appointment in accordance with the instruction to paragraph (c) of Item 5.02(c) of Form 8-K.

Item 7.01 Regulation FD Disclosure. On September 15, 2026, the Company issued a press release announcing the appointment of Dr. Kozauer as the Company’s Chief Medical Officer. A copy of the press release is attached hereto as Exhibit 99.1 and incorporated herein by reference. The information furnished under this Item 7.01, including Exhibit 99.1, shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or subject to the liabilities of that section or Sections 11 and 12(a)(2) of the Securities Act. The information in this Item 7.01, including Exhibit 99.1, shall not be deemed incorporated by reference into any other filing with the SEC made by the Company, whether made before or after the date hereof, regardless of any general incorporation language in such filing.