Key Inclusion Criteria:  Patient must be ≥ 18 at the time of screening Patient must have a single ruptured or unruptured IA requiring treatment Patient must sign and date an IRN approved written informed consent prior to initiation of any study procedures  Key Exclusion Criteria:  Patient has an IA with characteristics unsuitable for endovascular treatment Patient has conditions placing them at high risk for ischemic stroke or has exhibited ischemic symptoms such as transient ischemic attacks, minor strokes, or stroke-in-evolution within the prior 30 days Patient has had an SAH from a non-index IA or other intracranial hemorrhage within 90 days Patient index IA was previously treated Patient is pregnant