3. Leases

The Company is a party to one operating lease for office and laboratory space. The Company’s finance leases are immaterial both individually and in the aggregate. The Company has elected to apply the short-term lease exception to

all leases of one year or less. Rent expense for the three months ended March 31, 2026 and 2025 was $23,640 and $23,224, respectively, which is included in operating expenses.

The Company has an annual operating lease for office and laboratory space in Doylestown, Pennsylvania which was amended in October 2025 and is currently set to expire on October 31, 2026. Rent expense under this lease is approximately $115,000 annually and the Company has applied the short-term exception to this lease. The Company has no lease obligations beyond October 2026.