HAMILTON, Bermuda--(BUSINESS WIRE)--Everest Group, Ltd. (NYSE: EG) ("Everest†), a global underwriting leader providing best-in-class property, casualty, and specialty reinsurance and insurance solutions, today announced it has entered into an adverse development reinsurance agreement, effective October 1, 2025, supported by Longtail Re, an affiliate of Stone Ridge Holdings Group ("Stone Ridge†). The agreement provides $1.2 billion of gross limit protection against future adverse reserve develop. ...