| 2024 | The Hart Charitable Trust | 990PF | Trustee | 0 | $0 | $0 | View return |
| 2023 | The Hart Charitable Trust | 990PF | Trustee | 0 | $0 | $0 | View return |
| 2022 | The Hart Charitable Trust | 990PF | Trustee | 0 | $0 | $0 | View return |
| 2022 | French Heritage Society Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2022 | Cambridge in America | 990 | Trustee | 0.5 | $0 | $0 | View return |
| 2021 | The Hart Charitable Trust | 990PF | Trustee | 0 | $0 | $0 | View return |
| 2021 | French Heritage Society Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2021 | Cambridge in America | 990 | Trustee | 0.5 | $0 | $0 | View return |
| 2020 | The Hart Charitable Trust | 990PF | Trustee | 0 | $0 | $0 | View return |
| 2020 | French Heritage Society Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2020 | Cambridge in America | 990 | Trustee | 0.5 | $0 | $0 | View return |
| 2020 | The Philharmonic Symphony Society of Ny | 990 | Director | 4 | $0 | $0 | View return |
| 2020 | French Heritage Society Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2020 | The Philharmonic Symphony Society of Ny | 990 | Director | 4 | $0 | $0 | View return |
| 2019 | The Hart Charitable Trust | 990PF | Trustee | 0 | $0 | $0 | View return |
| 2019 | French Heritage Society Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2019 | The Philharmonic Symphony Society of Ny | 990 | Director | 4 | $0 | $0 | View return |
| 2019 | Cambridge in America | 990 | Director | 0.5 | $0 | $0 | View return |
| 2018 | French Heritage Society Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2018 | The Hart Charitable Trust | 990PF | Trustee | 0 | $0 | $0 | View return |
| 2018 | Cambridge in America | 990 | Director | 0.5 | $0 | $0 | View return |
| 2018 | The Philharmonic Symphony Society of Ny | 990 | Director | 4 | $0 | $0 | View return |
| 2017 | The Hart Charitable Trust | 990PF | Trustee | 5 | $0 | $0 | View return |
| 2017 | Cambridge in America | 990 | Director | 0.5 | $0 | $0 | View return |
| 2017 | The Philharmonic Symphony Society of Ny | 990 | Director | 4 | $0 | $0 | View return |
| 2016 | The Hart Charitable Trust | 990PF | Trustee | 5 | $0 | $0 | View return |
| 2016 | Cambridge in America | 990 | Director | 0.5 | $0 | $0 | View return |
| 2016 | The Philharmonic Symphony Society of Ny | 990 | Director | 4 | $0 | $0 | View return |
| 2015 | The Hart Charitable Trust | 990PF | Trustee | 5 | $0 | $0 | View return |
| 2015 | Cambridge in America | 990 | Director | 0.5 | $0 | $0 | View return |
| 2015 | The Philharmonic Symphony Society of Ny | 990 | Director | 4 | $0 | $0 | View return |
| 2014 | The Hart Charitable Trust | 990PF | Trustee | 5 | $0 | $0 | View return |
| 2014 | French Heritage Society Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2014 | Cambridge in America | 990 | Director | 0.5 | $0 | $0 | View return |
| 2014 | The Philharmonic Symphony Society of Ny | 990 | Director | 4 | $0 | $0 | View return |
| 2013 | The Hart Charitable Trust | 990PF | Trustee | 5 | $0 | $0 | View return |
| 2013 | French Heritage Society Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2013 | Cambridge in America | 990 | Director | 0.5 | $0 | $0 | View return |
| 2013 | The Philharmonic Symphony Society of Ny | 990 | Director | 4 | $0 | $0 | View return |
| 2012 | The Hart Charitable Trust | 990PF | Trustee | 5 | $0 | $0 | View return |