Form SC 13G/A ERA GROUP INC. Filed by: WELLINGTON MANAGEMENT GROUP LLP Jun 9, 2020 10:04AM
Form SC 13G/A ERA GROUP INC. Filed by: WELLINGTON MANAGEMENT GROUP LLP Jan 28, 2020 11:35AM
Form SC 13G/A ERA GROUP INC. Filed by: WELLINGTON MANAGEMENT GROUP LLP Feb 12, 2019 09:40AM
Form SC 13G/A ERA GROUP INC. Filed by: WELLINGTON MANAGEMENT GROUP LLP Feb 8, 2018 11:34AM
Form SC 13G/A ERA GROUP INC. Filed by: WELLINGTON MANAGEMENT GROUP LLP Feb 9, 2017 10:18AM


Feb 11, 2016 11:54AM Form SC 13G/A ERA GROUP INC. Filed by: WELLINGTON MANAGEMENT GROUP LLP
Feb 12, 2015 10:44AM Form SC 13G/A ERA GROUP INC. Filed by: WELLINGTON MANAGEMENT GROUP LLP