| 2024 | Montana Land Reliance Foundation Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2024 | Steep Rock Association Inc | 990 | Trustee | 2 | $0 | $0 | View return |
| 2023 | Montana Land Reliance Foundation Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2023 | United States Rowing Association | 990 | Northeast Region Representative | 10 | $0 | $0 | View return |
| 2023 | The Montana Land Reliance | 990 | Director | 1 | $0 | $0 | View return |
| 2023 | Asphalt Green Inc | 990 | Director | 2 | $0 | $0 | View return |
| 2023 | Steep Rock Association Inc | 990 | Trustee | 2 | $0 | $0 | View return |
| 2023 | Environmental Defense Action Fund | 990 | Director | 2 | $0 | $0 | View return |
| 2022 | The Montana Land Reliance | 990 | Director | 1 | $0 | $0 | View return |
| 2022 | Montana Land Reliance Foundation Inc | 990 | President | 1 | $0 | $0 | View return |
| 2022 | Environmental Defense Action Fund | 990 | Director | 2 | $0 | $0 | View return |
| 2022 | Asphalt Green Inc | 990 | Director | 2 | $0 | $0 | View return |
| 2022 | Steep Rock Association Inc | 990 | Trustee | 2 | $0 | $0 | View return |
| 2021 | Montana Land Reliance Foundation Inc | 990 | President | 1 | $0 | $0 | View return |
| 2021 | The Montana Land Reliance | 990 | Director | 1 | $0 | $0 | View return |
| 2021 | Environmental Defense Action Fund | 990 | Director | 2 | $0 | $0 | View return |
| 2021 | Asphalt Green Inc | 990 | Director | 2 | $0 | $0 | View return |
| 2020 | The Montana Land Reliance | 990 | Director | 1 | $0 | $0 | View return |
| 2020 | Asphalt Green Inc | 990 | Director | 2 | $0 | $0 | View return |
| 2020 | Environmental Defense Action Fund | 990 | Director | 2 | $0 | $0 | View return |
| 2019 | Asphalt Green Inc | 990 | Director | 2 | $0 | $0 | View return |
| 2019 | Environmental Defense Action Fund | 990 | Director | 2 | $0 | $0 | View return |
| 2018 | Steep Rock Association Inc | 990 | Chairman Of The Board | 4 | $0 | $0 | View return |
| 2018 | Asphalt Green Inc | 990 | Director | 2 | $0 | $0 | View return |
| 2018 | Environmental Defense Fund Incorporated | 990 | Trustee | 2 | $0 | $0 | View return |
| 2017 | Steep Rock Association Inc | 990 | Chairman Of The Board | 4 | $0 | $0 | View return |
| 2017 | Environmental Defense Fund Incorporated | 990 | Trustee | 2 | $0 | $0 | View return |
| 2016 | Environmental Defense Fund Incorporated | 990 | Trustee | 2 | $0 | $0 | View return |
| 2016 | Environmental Defense Fund Incorporated | 990 | Trustee | 2 | $0 | $0 | View return |
| 2016 | Steep Rock Association Inc | 990 | Chairman Of The Board | 4 | $0 | $0 | View return |
| 2015 | Asphalt Green Inc | 990 | Vice-Chair | 2 | $0 | $0 | View return |
| 2015 | Environmental Defense Fund Incorporated | 990 | Trustee | 2 | $0 | $0 | View return |
| 2015 | Steep Rock Association Inc | 990 | Chairman Of The Board | 4 | $0 | $0 | View return |
| 2014 | Asphalt Green Inc | 990 | Director | 2 | $0 | $0 | View return |
| 2014 | Environmental Defense Fund Incorporated | 990 | Trustee | 2 | $0 | $0 | View return |
| 2014 | Steep Rock Association Inc | 990 | Chairman Of The Board | 4 | $0 | $0 | View return |
| 2014 | Environmental Defense Action Fund | 990 | Director | 2 | $0 | $0 | View return |
| 2013 | Environmental Defense Action Fund | 990 | Director | 2 | $0 | $0 | View return |
| 2013 | Asphalt Green Inc | 990 | Director | 2 | - | - | View return |
| 2013 | Environmental Defense Fund Incorporated | 990 | Trustee | 2 | $0 | $0 | View return |
| 2013 | Steep Rock Association Inc | 990 | Chairman Of The Board | 4 | $0 | $0 | View return |
| 2011 | The Feldman Frater Family Foundation Inc | 990PF | Director | 0 | $0 | - | View return |
| 2010 | The Feldman Frater Family Foundation Inc | 990PF | Director | 0 | $0 | $0 | View return |