| 2025 | Nathan Weidner | 990PF | Board Member | 0.2 | $0 | $0 | View return |
| 2024 | Environmental Defender Law Center | 990 | Chair/Secretary | 0.5 | $0 | $0 | View return |
| 2024 | Institute for Governance and Sustainable Development Inc. | 990 | Board Member | 2 | $0 | $0 | View return |
| 2024 | Truthout | 990 | Treasurer | 10 | $0 | $0 | View return |
| 2023 | Greater Ellsworth Maine Elks Lodge No 2743 | 990 | Trustee, Fou | 2 | $0 | $0 | View return |
| 2023 | Environmental Defender Law Center | 990 | Chair/Secretary | 0.5 | $0 | $0 | View return |
| 2023 | The Oakland Institute | 990 | Director | 1 | $0 | $0 | View return |
| 2023 | Institute for Governance and Sustainable Development Inc. | 990 | Board Member | 2 | $0 | $0 | View return |
| 2022 | Environmental Defender Law Center | 990 | Chair/Secretary | 0.5 | $0 | $0 | View return |
| 2022 | Greater Ellsworth Maine Elks Lodge No 2743 | 990 | Loyal Knight | 1 | $0 | $0 | View return |
| 2022 | The Oakland Institute | 990 | Director | 1 | $0 | $0 | View return |
| 2022 | Truthout | 990 | Treasurer | 10 | $0 | $0 | View return |
| 2022 | Institute for Governance and Sustainable Development Inc. | 990 | Board Member | 2 | $0 | $0 | View return |
| 2021 | Environmental Defender Law Center | 990 | Chair/Secretary | 0.5 | $0 | $0 | View return |
| 2021 | The Oakland Institute | 990 | Director | 1 | $0 | $0 | View return |
| 2021 | Truthout | 990 | Treasurer | 10 | $0 | $0 | View return |
| 2020 | Environmental Defender Law Center | 990 | Secretary | 0.5 | $0 | $0 | View return |
| 2020 | The Oakland Institute | 990 | Director | 1 | $0 | $0 | View return |
| 2020 | Institute for Governance and Sustainable Development Inc. | 990 | Vice Chair | 2 | $0 | $0 | View return |
| 2020 | Truthout | 990 | Treasurer | 10 | $0 | $0 | View return |
| 2020 | Rotary Club of Foxboro Inc | 990EZ | President | 10 | $0 | $0 | View return |
| 2019 | Environmental Defender Law Center | 990 | Ex Dir/Sec | 40 | $140,000 | $0 | View return |
| 2019 | The Oakland Institute | 990 | Director | 1 | $0 | $0 | View return |
| 2019 | Truthout | 990 | Treasurer | 10 | $0 | $0 | View return |
| 2019 | Institute for Governance and Sustainable Development Inc. | 990 | Vice Chair | 2 | $0 | $0 | View return |
| 2019 | Rotary Club of Foxboro Inc | 990EZ | President Elect | 5 | $0 | $0 | View return |
| 2018 | Environmental Defender Law Center | 990 | Exec. Dir./Secr. | 40 | $140,000 | $0 | View return |
| 2018 | The Oakland Institute | 990 | Director | 1 | $0 | $0 | View return |
| 2018 | Truthout | 990 | Treasurer | 10 | $0 | $0 | View return |
| 2018 | Rotary Club of Foxboro Inc | 990EZ | Director | 5 | $0 | $0 | View return |
| 2018 | Institute for Governance and Sustainable Development Inc. | 990 | Vice Chair | 2 | $0 | $0 | View return |
| 2017 | Environmental Defender Law Center | 990 | Exec. Dir./Secr. | 40 | $140,000 | $0 | View return |
| 2017 | The Oakland Institute | 990 | Director | 1 | $0 | $0 | View return |
| 2017 | Benevolent & Protective Order of Elks of the USA 2370 East Brunswick | 990EZ | Inner Guard | 5 | $0 | - | View return |
| 2017 | Truthout | 990 | Treasurer | 10 | $0 | $0 | View return |
| 2017 | Institute for Governance and Sustainable Development Inc. | 990 | Vice Chairperson | 2 | $0 | $0 | View return |
| 2017 | Rotary Club of Foxboro Inc | 990EZ | Director | 5 | $0 | - | View return |
| 2016 | Environmental Defender Law Center | 990 | Exec. Dir./Secr. | 40 | $130,000 | $0 | View return |
| 2016 | Truthout | 990 | Treasurer | 0 | $0 | $0 | View return |
| 2016 | Hawkinsville High School Athletic Booster Club Inc | 990 | Director | - | $0 | $0 | View return |
| 2016 | Institute for Governance and Sustainable Development Inc. | 990 | Vice Chairperson | 2 | $0 | $0 | View return |
| 2016 | Rotary Club of Foxboro Inc | 990EZ | Director | 5 | $0 | - | View return |
| 2015 | Environmental Defender Law Center | 990 | Exec. Dir./Secr. | 40 | $130,000 | $0 | View return |
| 2015 | Hawkinsville High School Athletic Booster Club Inc | 990 | Director | - | $0 | $0 | View return |
| 2015 | Truthout | 990 | Member | 0 | $0 | $0 | View return |
| 2015 | Institute for Governance and Sustainable Development Inc. | 990 | Vice Chairperson | 2 | $0 | $0 | View return |
| 2015 | Rotary Club of Foxboro Inc | 990EZ | Director | 5 | $0 | - | View return |
| 2014 | Environmental Defender Law Center | 990 | Exec. Dir./Secr. | 40 | $127,000 | $0 | View return |
| 2014 | Truthout | 990 | Member | 0 | $0 | $0 | View return |
| 2014 | Hawkinsville High School Athletic Booster Club Inc | 990 | Director | - | $0 | $0 | View return |
| 2013 | Environmental Defender Law Center | 990 | Exec. Dir./Secr. | 40 | $117,000 | $0 | View return |
| 2013 | Truthout | 990 | Member | 0 | $0 | $0 | View return |
| 2013 | Hawkinsville High School Athletic Booster Club Inc | 990 | Director | - | $0 | $0 | View return |
| 2013 | Paul W Barret Jr School of Banking | 990 | Board Member | 0 | $0 | $0 | View return |