| 2024 | Nantucket Retina Foundation Inc | 990EZ | Secretary | 1 | $0 | $0 | View return |
| 2024 | The Robert Machemer Foundation | 990 | Treasurer | 1 | $0 | $0 | View return |
| 2023 | Nantucket Retina Foundation Inc | 990EZ | Secretary | 1 | $0 | $0 | View return |
| 2023 | The Robert Machemer Foundation | 990 | Treasurer | 1 | $0 | $0 | View return |
| 2022 | The Robert Machemer Foundation | 990 | Treasurer | 1 | $0 | $0 | View return |
| 2022 | Nantucket Retina Foundation Inc | 990EZ | Secretary | 1 | $0 | $0 | View return |
| 2021 | Nantucket Retina Foundation Inc | 990EZ | Secretary | 1 | $0 | $0 | View return |
| 2021 | The Robert Machemer Foundation | 990 | Treasurer | 1 | $0 | $0 | View return |
| 2020 | The Robert Machemer Foundation | 990 | Treasurer | 1 | $0 | $0 | View return |
| 2020 | Nantucket Retina Foundation Inc | 990EZ | Secretary | 1 | $0 | $0 | View return |
| 2019 | Nantucket Retina Foundation Inc | 990EZ | Secretary | 1 | $0 | $0 | View return |
| 2019 | The Robert Machemer Foundation | 990 | Treasurer | 1 | $0 | $0 | View return |
| 2018 | The Robert Machemer Foundation | 990 | Treasurer | 1 | $0 | $0 | View return |
| 2018 | Nantucket Retina Foundation Inc | 990EZ | Secretary | 1 | $0 | $0 | View return |
| 2017 | Nantucket Retina Foundation Inc | 990EZ | Secretary | 1 | $0 | $0 | View return |
| 2017 | The Robert Machemer Foundation | 990 | Treasurer | 1 | $0 | $0 | View return |
| 2016 | Nantucket Retina Foundation Inc | 990EZ | Secretary | 1 | $0 | $0 | View return |
| 2016 | The Robert Machemer Foundation | 990 | Treasurer | 1 | $0 | $0 | View return |
| 2015 | The Robert Machemer Foundation | 990 | Treasurer | 1 | $0 | $0 | View return |
| 2015 | Nantucket Retina Foundation Inc | 990EZ | Secretary | 1 | $0 | $0 | View return |
| 2014 | Nantucket Retina Foundation Inc | 990EZ | Secretary | 1 | $0 | $0 | View return |
| 2014 | The Robert Machemer Foundation | 990 | Treasurer | 1 | $0 | $0 | View return |
| 2013 | The Robert Machemer Foundation | 990 | Treasurer | 1 | $0 | $0 | View return |
| 2013 | Nantucket Retina Foundation Inc | 990EZ | Secretary | 1 | $0 | $0 | View return |