| 2025 | William Mead Regan Foundation | 990PF | Vice President | 0.25 | $0 | - | View return |
| 2024 | William Mead Regan Foundation | 990PF | Director - VP/Treasurer | 0.25 | $0 | $0 | View return |
| 2024 | Acucares Foundation | 990PF | Secretary | 1 | $0 | $0 | View return |
| 2024 | The Junot Foundation | 990PF | Secretary | 1 | $0 | $0 | View return |
| 2024 | Alice Busch Gronewaldt Foundation Inc | 990PF | Director/Secretary | 0 | $0 | $0 | View return |
| 2023 | Beaverkill Valley Land Trust Inc C/O Open Space Institute Inc | 990 | Chairperson | 0.5 | $0 | $0 | View return |
| 2023 | Alice Busch Gronewaldt Foundation Inc | 990PF | Director/Secretary | 0 | $0 | $0 | View return |
| 2023 | Acucares Foundation | 990PF | Secretary | 1 | $0 | $0 | View return |
| 2023 | William Mead Regan Foundation | 990PF | Director - VP/Treasurer | 0.25 | $0 | $0 | View return |
| 2023 | The Junot Foundation | 990PF | Secretary | 1 | $0 | $0 | View return |
| 2022 | Alice Busch Gronewaldt Foundation Inc | 990PF | Director/Secretary | 0 | $0 | $0 | View return |
| 2022 | Pi Kappa Phi Fraternity | 990EZ | Aadil Makkar | 15 | $0 | $0 | View return |
| 2022 | William Mead Regan Foundation | 990PF | Director - VP/Treasurer | 0.25 | $0 | $0 | View return |
| 2022 | Acucares Foundation | 990PF | Secretary | 1 | $0 | $0 | View return |
| 2022 | The Junot Foundation | 990PF | Secretary | 1 | $0 | $0 | View return |
| 2022 | Beaverkill Valley Land Trust Inc C/O Open Space Institute Inc | 990 | Chairperson | 0.5 | $0 | $0 | View return |
| 2021 | Acucares Foundation | 990PF | Secretary | 1 | $0 | $0 | View return |
| 2021 | The Junot Foundation | 990PF | Secretary | 1 | $0 | $0 | View return |
| 2021 | Alice Busch Gronewaldt Foundation Inc | 990PF | Director/Secretary | 0 | $0 | $0 | View return |
| 2021 | William Mead Regan Foundation | 990PF | Director - VP/Treasurer | 0.25 | $0 | $0 | View return |
| 2021 | Pi Kappa Phi Fraternity | 990EZ | Social Events Chairman | 20 | $0 | $0 | View return |
| 2021 | Beaverkill Valley Land Trust Inc C/O Open Space Institute Inc | 990 | Secretary | 0.5 | $0 | $0 | View return |
| 2021 | Alice Busch Gronewaldt Foundation Inc | 990PF | Director/Secretary | 0 | $0 | $0 | View return |
| 2020 | Beaverkill Valley Land Trust Inc C/O Open Space Institute Inc | 990 | Board Member | 0.5 | $0 | $0 | View return |
| 2020 | William Mead Regan Foundation | 990PF | Director - VP/Treasurer | 0.25 | $0 | $0 | View return |
| 2020 | Alice Busch Gronewaldt Foundation Inc | 990PF | Director/Secretary | 0 | $0 | $0 | View return |
| 2020 | The Efraim Grinberg Family Foundation | 990PF | Director & Secretary | 0 | $0 | $0 | View return |
| 2020 | The Junot Foundation | 990PF | Secretary | 1 | $0 | $0 | View return |
| 2020 | Acucares Foundation | 990PF | Secretary | 1 | $0 | $0 | View return |
| 2019 | Alice Busch Gronewaldt Foundation Inc | 990PF | Director/Secretary | 0 | $0 | $0 | View return |
| 2019 | The Efraim Grinberg Family Foundation | 990PF | Director & Secretary | 0 | $0 | $0 | View return |
| 2019 | Beaverkill Valley Land Trust Inc C/O Open Space Institute Inc | 990 | Board Member | 0.5 | $0 | $0 | View return |
| 2019 | Acucares Foundation | 990PF | Secretary | 1 | $0 | $0 | View return |
| 2019 | The Junot Foundation | 990PF | Secretary | 1 | $0 | $0 | View return |
| 2018 | Alice Busch Gronewaldt Foundation Inc | 990PF | Director/Secretary | 0 | $0 | $0 | View return |
| 2018 | Beaverkill Valley Land Trust Inc C/O Open Space Institute Inc | 990 | Board Member | 0.5 | $0 | $0 | View return |
| 2018 | The Efraim Grinberg Family Foundation | 990PF | Director & Secretary | 0 | $0 | $0 | View return |
| 2017 | Beaverkill Valley Land Trust Inc C/O Open Space Institute Inc | 990 | VP & Treasurer | 0.5 | $0 | $0 | View return |
| 2017 | Alice Busch Gronewaldt Foundation Inc | 990PF | Director/Secretary | 0 | $0 | $0 | View return |
| 2017 | The Efraim Grinberg Family Foundation | 990PF | Director & Secretary | 0 | $0 | $0 | View return |
| 2016 | The Efraim Grinberg Family Foundation | 990PF | Director & Secretary | 0 | $0 | $0 | View return |
| 2016 | Yablon Foundation | 990PF | Director | 0 | $0 | $0 | View return |
| 2016 | Beaverkill Valley Land Trust Inc C/O Open Space Institute Inc | 990 | VP & Treasurer | 0.5 | $0 | $0 | View return |
| 2015 | Beaverkill Valley Land Trust Inc C/O Open Space Institute Inc | 990 | VP & Treasurer | 0.5 | $0 | $0 | View return |
| 2015 | Alice Busch Gronewaldt Foundation Inc | 990PF | Director/Secretary | 0 | $0 | $0 | View return |
| 2015 | The Efraim Grinberg Family Foundation | 990PF | Director & Secretary | 0 | $0 | $0 | View return |
| 2014 | The Efraim Grinberg Family Foundation | 990PF | Director & Secretary | 0 | $0 | $0 | View return |
| 2014 | Beaverkill Valley Land Trust Inc C/O Open Space Institute Inc | 990 | VP & Treasurer | 0.5 | $0 | $0 | View return |
| 2014 | Alice Busch Gronewaldt Foundation Inc | 990PF | Director/Secretary | 0 | $0 | $0 | View return |
| 2013 | The Efraim Grinberg Family Foundation | 990PF | Director & Secretary | 0 | $0 | $0 | View return |
| 2013 | Beaverkill Valley Land Trust Inc C/O Open Space Institute Inc | 990 | VP & Treasurer | 0.5 | $0 | $0 | View return |
| 2013 | Alice Busch Gronewaldt Foundation Inc | 990PF | Director/Secretary | 0 | $0 | $0 | View return |
| 2012 | The Efraim Grinberg Family Foundation | 990PF | Director & Secretary | 0 | $0 | $0 | View return |
| 2012 | Alice Busch Gronewaldt Foundation Inc | 990PF | Director/Secretary | 0 | $0 | $0 | View return |
| 2011 | The Efraim Grinberg Family Foundation | 990PF | Director & Secretary | 0 | $0 | $0 | View return |