| 2024 | Blue Guitar Foundation C/O Jack Parker Corp | 990PF | Director,Member Treasurer | 10 | $0 | $0 | View return |
| 2023 | Blue Guitar Foundation C/O Jack Parker Corp | 990PF | Director,Member Treasurer | 10 | $0 | $0 | View return |
| 2022 | Blue Guitar Foundation C/O Jack Parker Corp | 990PF | Director,Member Treasurer | 10 | $0 | $0 | View return |
| 2021 | Blue Guitar Foundation C/O Jack Parker Corp | 990PF | Director,Member Treasurer | 10 | $0 | $0 | View return |
| 2021 | Nantucket Conservation Foundation Inc. | 990 | Trustee | 1 | $0 | $0 | View return |
| 2020 | Blue Guitar Foundation C/O Jack Parker Corp | 990PF | Director,Member Treasurer | 10 | $0 | $0 | View return |
| 2020 | Nantucket Conservation Foundation Inc. | 990 | Trustee | 1 | $0 | $0 | View return |
| 2019 | Nantucket Conservation Foundation Inc. | 990 | Trustee | 1 | $0 | $0 | View return |
| 2019 | Blue Guitar Foundation C/O Jack Parker Corp | 990PF | Director,Member Treasurer | 10 | $0 | $0 | View return |
| 2018 | Blue Guitar Foundation C/O Jack Parker Corp | 990PF | Director,Member Treasurer | 10 | $0 | $0 | View return |
| 2017 | Blue Guitar Foundation C/O Jack Parker Corp | 990PF | Director,Member Treasurer | 10 | $0 | $0 | View return |
| 2017 | Nantucket Conservation Foundation Inc. | 990 | Trustee | 1 | $0 | $0 | View return |
| 2016 | Blue Guitar Foundation C/O Jack Parker Corp | 990PF | Director,Member Treasurer | 10 | $0 | $0 | View return |
| 2016 | Nantucket Conservation Foundation Inc. | 990 | Executive Committee Member | 1 | $0 | $0 | View return |
| 2015 | Blue Guitar Foundation C/O Jack Parker Corp | 990PF | Director,Member Treasurer | 10 | $0 | $0 | View return |
| 2015 | Nantucket Conservation Foundation Inc. | 990 | Trustee | 1 | $0 | $0 | View return |
| 2014 | Blue Guitar Foundation C/O Jack Parker Corp | 990PF | Director,Member Treasurer | 10 | $0 | $0 | View return |
| 2014 | Nantucket Conservation Foundation Inc. | 990 | Trustee | 1 | $0 | $0 | View return |
| 2013 | Nantucket Conservation Foundation Inc. | 990 | Trustee | 1 | $0 | $0 | View return |