Xeris Pharmaceuticals, Inc. is a specialty pharmaceutical company. The Company is engaged in developing and commercializing injectable and infusible drug formulations. It uses its non-aqueous formulation technology platforms, XeriSol and XeriJect, to develop and commercialize its products. Its formulation technologies allow for the subcutaneous (SC) and intramuscular (IM) delivery of formulations of peptides, proteins, antibodies and small molecules using commercially-available syringes, auto-injectors, multi-dose pens and infusion pumps. The Company is developing its lead product candidate, the Glucagon Rescue Pen, for the treatment of severe hypoglycemia in people with diabetes. It is also developing treatments for post-bariatric hypoglycemia, congenital hyperinsulinism, hypoglycemia-associated autonomic failure and exercise-induced hypoglycemia. Its Glucagon Rescue Pen offers a stable glucagon that is designed to be administered subcutaneously in a simple two-step process.