Form SC 13G/A Ra Pharmaceuticals, Inc. Filed by: WELLINGTON MANAGEMENT GROUP LLP Nov 8, 2019 09:04AM
Form SC 13G/A Ra Pharmaceuticals, Inc. Filed by: WELLINGTON MANAGEMENT GROUP LLP Feb 12, 2019 09:50AM
Form SC 13G/A Ra Pharmaceuticals, Inc. Filed by: WELLINGTON MANAGEMENT GROUP LLP Feb 8, 2018 11:49AM
Form SC 13G/A Ra Pharmaceuticals, Inc. Filed by: WELLINGTON MANAGEMENT GROUP LLP Aug 10, 2017 10:34AM
Form SC 13G Ra Pharmaceuticals, Inc. Filed by: WELLINGTON MANAGEMENT GROUP LLP Feb 9, 2017 10:59AM