| 2025 | Sand County Charitable Trust C/O Tyler Lynch PC | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2024 | Sand County Charitable Trust C/O Tyler Lynch PC | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2024 | Fresh Sound Foundation Inc. | 990PF | Trustee | 2 | $0 | $0 | View return |
| 2023 | Fresh Sound Foundation Inc. | 990PF | Trustee | 2 | $0 | $0 | View return |
| 2023 | Sand County Charitable Trust C/O Tyler Lynch PC | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2023 | The Union of Concerned Scientists Inc | 990 | Board Member | 1 | $0 | $0 | View return |
| 2022 | Sand County Charitable Trust C/O Tyler Lynch PC | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2022 | The Union of Concerned Scientists Inc | 990 | Board Member | 1 | $0 | $0 | View return |
| 2022 | Fresh Sound Foundation Inc. | 990PF | Trustee | 2 | $0 | $0 | View return |
| 2021 | Fresh Sound Foundation Inc. | 990PF | Trustee | 2 | $0 | $0 | View return |
| 2021 | Fresh Sound Foundation Inc. | 990PF | Trustee | 2 | $0 | $0 | View return |
| 2021 | Sand County Charitable Trust C/O Tyler Lynch PC | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2021 | American Repertory Theatre Co Inc D/B/A Art | 990 | Trustee (Until 6/2022) | 5 | $0 | $0 | View return |
| 2021 | The Union of Concerned Scientists Inc | 990 | Board Member | 1 | $0 | $0 | View return |
| 2020 | Sand County Charitable Trust C/O Tyler Lynch PC | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2020 | Fresh Sound Foundation Inc. | 990PF | Trustee | 2 | $0 | $0 | View return |
| 2020 | The Union of Concerned Scientists Inc | 990 | Board Member | 1 | $0 | $0 | View return |
| 2020 | American Repertory Theatre Co Inc D/B/A Art | 990 | Trustee | 5 | $0 | $0 | View return |
| 2019 | Sand County Charitable Trust C/O Tyler Lynch PC | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2019 | Fresh Sound Foundation Inc. | 990PF | Trustee | 2 | $0 | $0 | View return |
| 2019 | Cheshire Fair Association Inc | 990 | Past President | 1 | $0 | $0 | View return |
| 2019 | The Union of Concerned Scientists Inc | 990 | Board Member | 1 | $0 | $0 | View return |
| 2019 | American Repertory Theatre Co Inc D/B/A Art | 990 | Trustee | 5 | $0 | $0 | View return |
| 2018 | Fresh Sound Foundation Inc. | 990PF | Trustee | 2 | $0 | $0 | View return |
| 2018 | Sand County Charitable Trust C/O Tyler Lynch PC | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2018 | The Union of Concerned Scientists Inc | 990 | Board Member | 1 | $0 | $0 | View return |
| 2018 | American Repertory Theatre Co Inc D/B/A Art | 990 | Trustee | 1 | $0 | $0 | View return |
| 2017 | Fresh Sound Foundation Inc. | 990PF | Trustee | 2 | $0 | $0 | View return |
| 2017 | Sand County Charitable Trust C/O Tyler Lynch PC | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2017 | The Union of Concerned Scientists Inc | 990 | Board Member | 1 | $0 | $0 | View return |
| 2017 | American Repertory Theatre Co Inc D/B/A Art | 990 | Trustee | 1 | $0 | $0 | View return |
| 2017 | American Repertory Theatre Co Inc D/B/A Art | 990 | Trustee | 1 | $0 | $0 | View return |
| 2016 | Environmental Law Institute Inc. | 990 | Board Member | 1 | $0 | $0 | View return |
| 2016 | Fresh Sound Foundation Inc. | 990PF | Trustee | 2 | $0 | $0 | View return |
| 2016 | Cheshire Fair Association Inc | 990 | President | 1 | $0 | $0 | View return |
| 2016 | Sand County Charitable Trust C/O Tyler Lynch PC | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2016 | American Repertory Theatre Co Inc D/B/A Art | 990 | Trustee | 1 | $0 | $0 | View return |
| 2016 | The Union of Concerned Scientists Inc | 990 | Board Member | 1 | $0 | $0 | View return |
| 2015 | Cheshire Fair Association Inc | 990 | President | 1 | $0 | $0 | View return |
| 2015 | Environmental Law Institute Inc. | 990 | Board Member | 1 | $0 | $0 | View return |
| 2015 | Sand County Charitable Trust C/O Tyler Lynch PC | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2015 | Fresh Sound Foundation Inc. | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2015 | The Union of Concerned Scientists Inc | 990 | Board Member | 1 | $0 | $0 | View return |
| 2015 | American Repertory Theatre Co Inc D/B/A Art | 990 | Trustee | 1 | $0 | $0 | View return |
| 2014 | Environmental Law Institute Inc. | 990 | Executive Committee Member | 1 | $0 | $0 | View return |
| 2014 | Sand County Charitable Trust C/O Tyler Lynch PC | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2014 | Fresh Sound Foundation Inc. | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2014 | American Repertory Theatre Co Inc D/B/A Art | 990 | Trustee | 1 | $0 | $0 | View return |
| 2014 | The Union of Concerned Scientists Inc | 990 | Board Member | 1 | $0 | $0 | View return |
| 2013 | Cheshire Fair Association Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2013 | Sand County Charitable Trust C/O Tyler Lynch PC | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2013 | Environmental Law Institute Inc. | 990 | Executive Committee Member | 1 | - | - | View return |
| 2013 | Fresh Sound Foundation Inc. | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2013 | American Repertory Theatre Co Inc D/B/A Art | 990 | Trustee | 1 | $0 | $0 | View return |
| 2013 | The Union of Concerned Scientists Inc | 990 | Board Member | 1 | $0 | $0 | View return |
| 2012 | Sand County Charitable Trust C/O Tyler Lynch PC | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2012 | Fresh Sound Foundation Inc. | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2011 | Sand County Charitable Trust C/O Tyler Lynch PC | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2011 | Fresh Sound Foundation Inc. | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2010 | Fresh Sound Foundation Inc. | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2010 | Sand County Charitable Trust C/O Tyler Lynch PC | 990PF | Trustee | 1 | $0 | $0 | View return |