| 2024 | New Yorktown Chamber of Commerce Inc | 990 | Vice President | 0 | $0 | $0 | View return |
| 2024 | Harrison Apar Field of Dreams Foundation Inc | 990EZ | President | 0 | $0 | - | View return |
| 2023 | New Yorktown Chamber of Commerce Inc | 990 | Vice President | 0 | $0 | $0 | View return |
| 2023 | Harrison Apar Field of Dreams Foundation Inc | 990EZ | President | 0 | $0 | - | View return |
| 2023 | Axial Theatre Inc C/O Arthur Klampert | 990EZ | Board Member | 0 | $0 | - | View return |
| 2022 | New Yorktown Chamber of Commerce Inc | 990 | Board Member | 0 | $0 | $0 | View return |
| 2022 | Harrison Apar Field of Dreams Foundation Inc | 990EZ | President | 0 | $0 | - | View return |
| 2022 | Axial Theatre Inc C/O Arthur Klampert | 990EZ | Board Member | 0 | $0 | - | View return |
| 2021 | New Yorktown Chamber of Commerce Inc | 990 | Board Member | 0 | $0 | $0 | View return |
| 2021 | Harrison Apar Field of Dreams Foundation Inc | 990EZ | President | 0 | $0 | - | View return |
| 2021 | Hudson Valley Gateway Chamber of Commerce Inc | 990 | Director | - | $0 | $0 | View return |
| 2021 | Axial Theatre Inc C/O Arthur Klampert | 990EZ | Board Member | 0 | $0 | - | View return |
| 2020 | New Yorktown Chamber of Commerce Inc | 990 | Board Member | 0 | $0 | $0 | View return |
| 2020 | Harrison Apar Field of Dreams Foundation Inc | 990EZ | President | 0 | $0 | - | View return |
| 2020 | Hudson Valley Gateway Chamber of Commerce Inc | 990 | Board Member | - | $0 | $0 | View return |
| 2020 | Axial Theatre Inc C/O Arthur Klampert | 990EZ | Board Member | 0 | $0 | - | View return |
| 2019 | Hudson Valley Gateway Chamber of Commerce Inc | 990 | Board Member | - | $0 | $0 | View return |
| 2019 | New Yorktown Chamber of Commerce Inc | 990 | Board Member | 0 | $0 | $0 | View return |
| 2019 | Harrison Apar Field of Dreams Foundation Inc | 990EZ | President | 0 | $0 | - | View return |
| 2019 | Axial Theatre Inc C/O Arthur Klampert | 990EZ | Board Member | 0 | $0 | - | View return |
| 2018 | Harrison Apar Field of Dreams Foundation Inc | 990EZ | President | 0 | $0 | - | View return |
| 2018 | New Yorktown Chamber of Commerce Inc | 990 | Board Member | 0 | $0 | $0 | View return |
| 2018 | Axial Theatre Inc C/O Arthur Klampert | 990EZ | Board Member | 0 | $0 | - | View return |
| 2017 | New Yorktown Chamber of Commerce Inc | 990 | Board Member | 0 | $0 | $0 | View return |
| 2017 | Harrison Apar Field of Dreams Foundation Inc | 990EZ | President | 0 | $0 | - | View return |
| 2017 | Axial Theatre Inc C/O Arthur Klampert | 990 | Board Member | - | $0 | $0 | View return |
| 2016 | Harrison Apar Field of Dreams Foundation Inc | 990EZ | President | 0 | $0 | - | View return |
| 2016 | Axial Theatre Inc C/O Arthur Klampert | 990EZ | Board Member | 0 | $0 | - | View return |
| 2015 | Harrison Apar Field of Dreams Foundation Inc | 990EZ | President | 2 | $0 | - | View return |
| 2015 | Yorktown Younited Inc | 990EZ | President | 0 | $0 | - | View return |
| 2015 | Axial Theatre Inc C/O Arthur Klampert | 990EZ | Board Member | 0 | $0 | - | View return |
| 2014 | Foundation of New York-Presbyterian Hudson Valley Hospital | 990 | Director | 1 | $0 | $0 | View return |
| 2014 | Harrison Apar Field of Dreams Foundation Inc | 990EZ | President | 0 | $0 | - | View return |
| 2014 | Axial Theatre Inc C/O Arthur Klampert | 990EZ | Director | 0 | $0 | - | View return |
| 2013 | Harrison Apar Field of Dreams Foundation Inc | 990EZ | President | 0 | $0 | - | View return |
| 2013 | Foundation of New York-Presbyterian Hudson Valley Hospital | 990 | Director | 1 | $0 | $0 | View return |