| 2024 | Purgatoire Valley Foundation Inc C/O Cabot-Wellington LLC | 990PF | Clerk/Director | 1 | $0 | $0 | View return |
| 2024 | Linda Cabot Black Foundation | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2023 | Purgatoire Valley Foundation Inc C/O Cabot-Wellington LLC | 990PF | President/Clerk/Director | 1 | $0 | $0 | View return |
| 2023 | Linda Cabot Black Foundation | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2023 | Boston Lyric Opera Company Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2022 | Linda Cabot Black Foundation | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2022 | Purgatoire Valley Foundation Inc C/O Cabot-Wellington LLC | 990PF | Clerk/Director | 1 | $0 | $0 | View return |
| 2022 | Boston Lyric Opera Company Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2021 | Linda Cabot Black Foundation | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2021 | Purgatoire Valley Foundation Inc C/O Cabot-Wellington LLC | 990PF | President/Clerk/Director | 1 | $0 | $0 | View return |
| 2021 | Boston Lyric Opera Company Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2020 | Linda Cabot Black Foundation | 990PF | Trustee | 0 | $0 | - | View return |
| 2020 | Purgatoire Valley Foundation Inc C/O Cabot-Wellington LLC | 990PF | President/Clerk/Director | 1 | $0 | $0 | View return |
| 2020 | Boston Lyric Opera Company Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2019 | Purgatoire Valley Foundation Inc C/O Cabot-Wellington LLC | 990PF | President/Clerk/Director | 1 | $0 | $0 | View return |
| 2019 | Linda Cabot Black Foundation | 990PF | Trustee | 0 | $0 | - | View return |
| 2019 | Boston Lyric Opera Company Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2018 | Linda Cabot Black Foundation | 990PF | Trustee | 0 | $0 | - | View return |
| 2018 | Purgatoire Valley Foundation Inc C/O Cabot-Wellington LLC | 990PF | President/Clerk/Director | 1 | $0 | $0 | View return |
| 2018 | Boston Lyric Opera Company Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2017 | Boston Lyric Opera Company Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2017 | Linda Cabot Black Foundation | 990PF | Trustee | 0 | $0 | - | View return |
| 2017 | Purgatoire Valley Foundation Inc C/O Cabot-Wellington LLC | 990PF | Clerk/Director | 1 | $0 | $0 | View return |
| 2016 | Boston Lyric Opera Company Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2016 | Linda Cabot Black Foundation | 990PF | Trustee | 0 | $0 | - | View return |
| 2016 | Purgatoire Valley Foundation Inc C/O Cabot-Wellington LLC | 990PF | Clerk/Director | 1 | $0 | $0 | View return |
| 2015 | Boston Lyric Opera Company Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2015 | Purgatoire Valley Foundation Inc C/O Cabot-Wellington LLC | 990PF | Clerk/Director | 1 | $0 | $0 | View return |
| 2015 | Linda Cabot Black Foundation | 990PF | Trustee | 0 | $0 | - | View return |
| 2014 | Purgatoire Valley Foundation Inc C/O Cabot-Wellington LLC | 990PF | President/Director | 1 | $0 | $0 | View return |
| 2014 | Boston Lyric Opera Company Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2014 | Linda Cabot Black Foundation | 990PF | Trustee | 0 | $0 | - | View return |
| 2013 | Purgatoire Valley Foundation Inc C/O Cabot-Wellington LLC | 990PF | President/Director | 1 | $0 | $0 | View return |
| 2013 | Linda Cabot Black Foundation | 990PF | Trustee | 0 | $0 | - | View return |
| 2013 | Boston Lyric Opera Company Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2012 | Linda Cabot Black Foundation | 990PF | Trustee | 0 | $0 | - | View return |
| 2012 | Purgatoire Valley Foundation Inc C/O Cabot-Wellington LLC | 990PF | President/Director | 1 | $0 | $0 | View return |
| 2011 | Purgatoire Valley Foundation Inc C/O Cabot-Wellington LLC | 990PF | President/Director | 1 | $0 | $0 | View return |