Before you sign or pay
- Court and bankruptcy: No federal court case or bankruptcy filing found under LB PHARMACEUTICALS INC in our court records and SEC 8-K records (as of 2026-10-18).
- Leadership changes: the latest reported is Joseph M. Miller, Chief Financial Officer (Form 8-K filed 2026-09-03). Check you are dealing with the people now in charge.
- Ownership: 5%+ holders are reported on Schedule 13D or 13G; the latest names Tcg Crossover Gp Ii, LLC (filed 2026-08-14).
Who is behind it
LB Pharmaceuticals Inc: incorporated in Delaware; business address in New York, New York; industry Pharmaceutical Preparations (Schedule 13G/A, 2026-10-13).
Officers and directors, each with the role and the filing that names them:
- Zachary Prensky: Executive Officer, Director (Form D, 2023-09-21)
- Robert Ruffolo: Director (Form D, 2023-09-21)
- Rebecca Luse: Director (Form D, 2023-09-21)
- Rajul Jain: Director (Form D, 2023-09-21)
- Ran Nussbaum: Director (Form D, 2023-09-21)
- Simon Basseyn: Director (Form D, 2023-09-21)
- Marc Panoff: Executive Officer (Form D, 2023-09-21)
- Anna Eramo: Executive Officer (Form D, 2023-09-21)
- Andrew Vaino: Executive Officer (Form D, 2023-09-21)
| Report | Holder | Share |
|---|---|---|
| Schedule 13G/A, 2026-10-13 | Jpmorgan Chase & Co. | 4.3% |
| Schedule 13G/A, 2026-08-14 | Tcg Crossover Gp Ii, LLC | 5% |
| Schedule 13G/A, 2026-07-29 | Blackrock, Inc. | 6.3% |
| Schedule 13G, 2026-07-16 | Jpmorgan Chase & Co | 5.2% |
| Schedule 13G, 2026-05-15 | Caligan Partners LP | 5% |
| Schedule 13G/A, 2026-05-15 | Commodore Capital LP | 6.8% |
| Schedule 13G/A, 2026-05-15 | Tcg Crossover Gp Ii, LLC | 6.4% |
| Schedule 13G/A, 2026-05-13 | Jpmorgan Chase & Co | 4.9% |
| Filed | Person | Role | Change | Effective |
|---|---|---|---|---|
| Form 8-K, 2026-09-03 | Joseph M. Miller | Chief Financial Officer | appointed | 2026-09-02 |
Money raised
| Filed | Sold | Offered |
|---|---|---|
| Form D, 2023-09-21 | $70.73M | $110.73M |
| Form D, 2022-11-01 | $6.92M | $10M |
Latest IPO step: LB Pharmaceuticals Inc filed to go public (S-1, 2026-04-06).
IPO filings: S-1, 2026-04-06, 424B4, 2025-09-12, S-1/A, 2025-09-08, S-1, 2025-08-22.
Related pages
Leadership changes5%+ holdersIPO filings
Filings, cases and notices link to their records. A not-found line names the records searched; it is not proof of absence.
Not for employment, credit, insurance or tenancy decisions.
Cite this page
Permanent URL:
https://mentionfox.com/who-owns/lb-pharmaceuticalsLast updated 2026-10-18
Primary record: Schedule 13G/A, 2026-08-14 · Form D, 2023-09-21 · Form 8-K, 2026-09-03 · S-1, 2026-04-06
Who owns LB Pharmaceuticals Inc? Owners, funding and legal record. MentionFox, 2026-10-18. https://mentionfox.com/who-owns/lb-pharmaceuticals