| 2024 | The Newcomb-Hargraves Foundation | 990PF | Trustee | 0 | $0 | $0 | View return |
| 2024 | The Vienna Philharmonic Society | 990 | Director | 1 | $0 | $0 | View return |
| 2024 | The Vienna Philharmonic Society | 990 | Director | 1 | $0 | $0 | View return |
| 2023 | Musical Masterworks Inc. C/O Jem | 990 | Director | 1 | $0 | $0 | View return |
| 2023 | The Vienna Philharmonic Society | 990 | Director | 1 | $0 | $0 | View return |
| 2023 | The Newcomb-Hargraves Foundation | 990PF | Trustee | 0 | $0 | $0 | View return |
| 2022 | The Newcomb-Hargraves Foundation | 990PF | Trustee | 0 | $0 | $0 | View return |
| 2022 | Musical Masterworks Inc. C/O Jem | 990 | Director | 1 | $0 | $0 | View return |
| 2022 | The Vienna Philharmonic Society | 990 | Director | 1 | $0 | $0 | View return |
| 2022 | Marian and Edward Macdowell Inc. | 990 | Director (Honorary 5/1/21) | 1 | $0 | $0 | View return |
| 2022 | The Metropolitan Opera Guild Inc | 990 | Director | 2 | $0 | $0 | View return |
| 2021 | Musical Masterworks Inc. C/O Jem | 990 | Director | 1 | $0 | $0 | View return |
| 2021 | The Vienna Philharmonic Society | 990 | Director | 1 | $0 | $0 | View return |
| 2021 | The Newcomb-Hargraves Foundation | 990PF | Trustee | 0 | $0 | $0 | View return |
| 2021 | Marian and Edward Macdowell Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2021 | The Metropolitan Opera Guild Inc | 990 | Director | 2 | $0 | $0 | View return |
| 2020 | The Vienna Philharmonic Society | 990 | Director | 1 | $0 | $0 | View return |
| 2020 | Musical Masterworks Inc. C/O Jem | 990 | Director | 1 | $0 | $0 | View return |
| 2020 | The Newcomb-Hargraves Foundation | 990PF | Trustee | 0 | $0 | $0 | View return |
| 2019 | The Vienna Philharmonic Society | 990 | Director | 1 | $0 | $0 | View return |
| 2019 | Marian and Edward Macdowell Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2019 | Musical Masterworks Inc. C/O Jem | 990 | Director | 1 | $0 | $0 | View return |
| 2019 | The Metropolitan Opera Guild Inc | 990 | Director | 2 | $0 | $0 | View return |
| 2018 | Musical Masterworks Inc. C/O Jem | 990 | Director | 1 | $0 | $0 | View return |
| 2018 | The Vienna Philharmonic Society | 990 | Director | 1 | $0 | $0 | View return |
| 2018 | Marian and Edward Macdowell Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2018 | The Metropolitan Opera Guild Inc | 990 | Director | 2 | $0 | $0 | View return |
| 2018 | The Century Association | 990 | Trustee | 5 | $0 | $0 | View return |
| 2017 | Musical Masterworks Inc. C/O Jem | 990 | Director | 1 | $0 | $0 | View return |
| 2017 | Musical Masterworks Inc. C/O Jem | 990 | Director | 1 | $0 | $0 | View return |
| 2017 | The Century Association | 990 | Trustee | 5 | $0 | $0 | View return |
| 2017 | The Metropolitan Opera Guild Inc | 990 | Director | 2 | $0 | $0 | View return |
| 2016 | Musical Masterworks Inc. C/O Jem | 990 | Director | 1 | $0 | $0 | View return |
| 2016 | The Metropolitan Opera Guild Inc | 990 | Director | 2 | $0 | $0 | View return |
| 2015 | Musical Masterworks Inc. C/O Jem | 990 | Director | 1 | $0 | $0 | View return |
| 2015 | The Metropolitan Opera Guild Inc | 990 | Director | 2 | $0 | $0 | View return |
| 2014 | The Metropolitan Opera Guild Inc | 990 | Director | 2 | $0 | $0 | View return |
| 2013 | The Metropolitan Opera Guild Inc | 990 | Director | 2 | - | - | View return |