| 2024 | Second Alarmer'S Association & Rescue Squad of Montgomery County | 990 | Employee | 40 | $121,952 | $0 | View return |
| 2024 | Davidson Heights Inc | 990 | Vice Chair | 0.25 | $0 | $0 | View return |
| 2024 | The American Friends of the National Gallery London Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2024 | Bridgehampton Chamber Music Associates Inc. | 990 | Chairman | 0 | $0 | $0 | View return |
| 2023 | The American Friends of the National Gallery London Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2023 | Davidson Heights Inc | 990 | Vice-Chair | 0 | $0 | $0 | View return |
| 2023 | Bridgehampton Chamber Music Associates Inc. | 990 | Chairman | 0 | $0 | $0 | View return |
| 2022 | Davidson Heights Inc | 990 | Vice-Chair | 0 | $0 | $0 | View return |
| 2022 | Montgomery County Ambulance Administrators Group Inc. | 990EZ | President | 0 | $0 | $0 | View return |
| 2022 | The American Friends of the National Gallery London Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2022 | Kenneth S Davidson Family Foundation | 990PF | Trustee/Treasurer | 0 | $0 | $0 | View return |
| 2022 | Bridgehampton Chamber Music Associates Inc. | 990 | Chairman | 0 | $0 | $0 | View return |
| 2021 | Montgomery County Ambulance Administrators Group Inc. | 990EZ | President | 0 | $0 | $0 | View return |
| 2021 | Davidson Heights Inc | 990 | Vice-Chair | 0 | $0 | $0 | View return |
| 2021 | Kenneth S Davidson Family Foundation | 990PF | Trustee | 0 | $0 | $0 | View return |
| 2021 | The American Friends of the National Gallery London Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2021 | Institute of Musical Art | 990 | Trustee | 1 | $0 | $0 | View return |
| 2021 | Bridgehampton Chamber Music Associates Inc. | 990 | Chairman | 0 | $0 | $0 | View return |
| 2020 | Kenneth S Davidson Family Foundation | 990PF | Trustee | 0 | $0 | $0 | View return |
| 2020 | The American Friends of the National Gallery London Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2020 | Davidson Heights Inc | 990 | Member | 0 | $0 | $0 | View return |
| 2020 | Bridgehampton Chamber Music Associates Inc. | 990 | Chairman | 0 | $0 | $0 | View return |
| 2020 | Institute of Musical Art | 990 | Trustee | 1 | $0 | $0 | View return |
| 2019 | Montgomery County Ambulance Administrators Group Inc. | 990EZ | President | 0 | $0 | - | View return |
| 2019 | Kenneth S Davidson Family Foundation | 990PF | Trustee | 0 | $0 | $0 | View return |
| 2019 | Bridgehampton Chamber Music Associates Inc. | 990 | Chairman | 0 | $0 | $0 | View return |
| 2018 | Kenneth S Davidson Family Foundation | 990PF | Trustee | 0 | $0 | $0 | View return |
| 2018 | Bridgehampton Chamber Music Associates Inc. | 990 | Chairman | 0 | $0 | $0 | View return |
| 2018 | Juilliard School | 990 | Trustee (Thru 05/2019) | 2 | $0 | $0 | View return |
| 2017 | Kenneth S Davidson Family Foundation | 990PF | Trustee | 0 | $0 | $0 | View return |
| 2017 | Bridgehampton Chamber Music Associates Inc. | 990 | Chairman | 0 | $0 | $0 | View return |
| 2017 | Juilliard School | 990 | Trustee | 2 | $0 | $0 | View return |
| 2016 | Kenneth S Davidson Family Foundation | 990PF | Trustee | 0 | $0 | $0 | View return |
| 2016 | Bridgehampton Chamber Music Associates Inc. | 990 | Chairman | 0 | $0 | $0 | View return |
| 2016 | Juilliard School | 990 | Trustee | 2 | $0 | $0 | View return |
| 2015 | Kenneth S Davidson Family Foundation | 990PF | Trustee | 0 | $0 | $0 | View return |
| 2015 | Bridgehampton Chamber Music Associates Inc. | 990 | Chairman | 0 | $0 | $0 | View return |
| 2015 | Juilliard School | 990 | Trustee | 2 | $0 | $0 | View return |
| 2014 | Kenneth S Davidson Family Foundation | 990PF | Trustee | 0 | $0 | $0 | View return |
| 2014 | Bridgehampton Chamber Music Associates Inc. | 990 | Chairman | 0 | $0 | $0 | View return |
| 2014 | Jewish Cemetery Association of Greater Baltimore Inc. | 990 | Board Member | 1 | $0 | $0 | View return |
| 2014 | Juilliard School | 990 | Trustee | 2 | $0 | $0 | View return |
| 2013 | Kenneth S Davidson Family Foundation | 990PF | Trustee | 0 | $0 | $0 | View return |
| 2013 | Juilliard School | 990 | Trustee | 2 | - | - | View return |
| 2013 | Bridgehampton Chamber Music Associates Inc. | 990 | Chairman | 0 | $0 | $0 | View return |
| 2013 | Jewish Cemetery Association of Greater Baltimore Inc. | 990 | Board Member | 1 | $0 | $0 | View return |
| 2012 | Kenneth S Davidson Family Foundation | 990PF | Trustee | 0 | $0 | $0 | View return |