| 2025 | Lufkin Family Foundation C/O Dan W Lufkin | 990PF | Trustee | 0 | $0 | $0 | View return |
| 2024 | Lufkin Family Foundation C/O Dan W Lufkin | 990PF | Trustee | 0 | $0 | $0 | View return |
| 2024 | Center for Conservation Peacebuilding | 990EZ | Director | 1 | $0 | $0 | View return |
| 2024 | Wood River Land Trust Company | 990 | Director | 2 | $0 | $0 | View return |
| 2023 | Lufkin Family Foundation C/O Dan W Lufkin | 990PF | Trustee | 0 | $0 | $0 | View return |
| 2023 | Center for Conservation Peacebuilding | 990EZ | Director | 1 | $0 | $0 | View return |
| 2023 | Wood River Land Trust Company | 990 | Director | 1 | $0 | $0 | View return |
| 2022 | Lufkin Family Foundation C/O Dan W Lufkin | 990PF | Trustee | 0 | $0 | $0 | View return |
| 2022 | Center for Conservation Peacebuilding | 990 | Director | 1 | $0 | $0 | View return |
| 2022 | Ecotrust | 990 | Board Member | 1 | $0 | $0 | View return |
| 2021 | Conservation Northwest | 990 | Board Member | 1 | $0 | $0 | View return |
| 2021 | Center for Conservation Peacebuilding | 990 | Director | 1 | $0 | $0 | View return |
| 2021 | Lufkin Family Foundation C/O Dan W Lufkin | 990PF | Trustee | 0 | $0 | $0 | View return |
| 2021 | Ecotrust | 990 | Board Member | 1 | $0 | $0 | View return |
| 2020 | Center for Conservation Peacebuilding | 990 | Director | 1 | $0 | $0 | View return |
| 2020 | Conservation Northwest | 990 | Board Member | 1 | $0 | $0 | View return |
| 2020 | Lufkin Family Foundation C/O Dan W Lufkin | 990PF | Trustee | 0 | $0 | $0 | View return |
| 2020 | Ecotrust | 990 | Board Member | 1 | $0 | $0 | View return |
| 2019 | Ecotrust | 990 | Board Member | 1 | $0 | $0 | View return |
| 2019 | Center for Conservation Peacebuilding | 990 | Director | 1 | $0 | $0 | View return |
| 2019 | Conservation Northwest | 990 | President | 1 | $0 | $0 | View return |
| 2019 | Lufkin Family Foundation C/O Dan W Lufkin | 990PF | Trustee | 0 | $0 | $0 | View return |
| 2019 | Ecotrust | 990 | Board Member | 1 | $0 | $0 | View return |
| 2018 | Lufkin Family Foundation C/O Dan W Lufkin | 990PF | Trustee | 0 | $0 | $0 | View return |
| 2018 | Ecotrust | 990 | Board Member | 1 | $0 | $0 | View return |
| 2018 | Conservation Northwest | 990 | President | 1 | $0 | $0 | View return |
| 2018 | Lufkin Family Foundation C/O Dan W Lufkin | 990PF | Trustee | 0 | $0 | $0 | View return |
| 2017 | Ecotrust | 990 | Board Member | 1 | $0 | $0 | View return |
| 2017 | Lufkin Family Foundation C/O Dan W Lufkin | 990PF | Trustee | 0 | $0 | $0 | View return |
| 2016 | Ecotrust | 990 | Board Member | 1 | $0 | $0 | View return |
| 2016 | Lufkin Family Foundation C/O Dan W Lufkin | 990PF | Trustee | 0 | $0 | $0 | View return |
| 2015 | Ecotrust | 990 | Board Member | 1 | $0 | $0 | View return |
| 2015 | Washington Progress Fund | 990 | Director | 2 | $0 | $0 | View return |
| 2015 | Lufkin Family Foundation C/O Dan W Lufkin | 990PF | Trustee | 0 | $0 | $0 | View return |
| 2015 | Washington Progress Alliance | 990 | Director | 1 | $0 | $0 | View return |
| 2014 | Washington Progress Alliance | 990 | Treasurer | 1 | $0 | $0 | View return |
| 2014 | Washington Progress Fund | 990 | Board Member | 2 | $0 | $0 | View return |
| 2014 | Lufkin Family Foundation C/O Dan W Lufkin | 990PF | Trustee | 0 | $0 | $0 | View return |
| 2013 | Lufkin Family Foundation C/O Dan W Lufkin | 990PF | Trustee | 0 | $0 | - | View return |
| 2013 | Washington Progress Alliance | 990 | VP & Treasur | 1 | $0 | $0 | View return |
| 2013 | Washington Progress Fund | 990 | Board Member | 2 | $0 | $0 | View return |
| 2012 | Lufkin Family Foundation C/O Dan W Lufkin | 990PF | Trustee | 0 | $0 | - | View return |
| 2011 | Lufkin Family Foundation C/O Dan W Lufkin | 990PF | Trustee | 0 | $0 | - | View return |
| 2010 | Lufkin Family Foundation C/O Dan W Lufkin | 990PF | Trustee | 1 | $0 | $0 | View return |