VSee Health, Inc. issued an additional unsecured convertible promissory note to institutional investor Vanquish with a principal amount of $180,550 on September 24, 2026. This tranche is part of a facility permitting up to $2,050,000 in total financing and carries a one-time 12% interest charge applied at issuance. The note matures on July 30, 2027, with conversion rights triggered only upon an Event of Default, subject to a 4.99% beneficial ownership limitation. VSee Health operates in the healthcare technology sector.