| 2024 | Roger and Sarah Bancroft Clark Private Foundation | 990PF | Trustee | 2 | $0 | - | View return |
| 2024 | Nathan M Clark Foundation 2574-00-48 | 990PF | Director | 1 | $0 | - | View return |
| 2023 | Roger and Sarah Bancroft Clark Private Foundation | 990PF | Trustee | 2 | $0 | - | View return |
| 2023 | Nathan M Clark Foundation 2574-00-48 | 990PF | Director | 1 | $0 | - | View return |
| 2022 | Todmorden Foundation | 990PF | Trustee | 5 | $0 | $0 | View return |
| 2022 | Nathan M Clark Foundation 2574-00-48 | 990PF | Director | 1 | $0 | - | View return |
| 2022 | Roger and Sarah Bancroft Clark Private Foundation | 990PF | Trustee | 2 | $0 | - | View return |
| 2022 | Rockford Woodlawn Fund Inc. | 990PF | Board Member | 1 | $0 | $0 | View return |
| 2021 | Rockford Woodlawn Fund Inc. | 990PF | Board Member | 1 | $0 | $0 | View return |
| 2021 | Nathan M Clark Foundation 2574-00-48 | 990PF | Director | 1 | $0 | - | View return |
| 2021 | Roger and Sarah Bancroft Clark Private Foundation | 990PF | Trustee | 2 | $0 | - | View return |
| 2021 | Todmorden Foundation | 990PF | President (P | 5 | $0 | $0 | View return |
| 2021 | Roger and Sarah Bancroft Clark Private Foundation | 990PF | Trustee | 2 | $0 | - | View return |
| 2020 | Todmorden Foundation | 990PF | President | 20 | $0 | $0 | View return |
| 2020 | Rockford Woodlawn Fund Inc. | 990PF | Board Member | 1 | $0 | $0 | View return |
| 2020 | Roger and Sarah Bancroft Clark Private Foundation | 990PF | Trustee | 2 | $0 | - | View return |
| 2020 | North Haven Sustainable Housing | 990 | Board Member | 2 | $0 | $0 | View return |
| 2020 | Nathan M Clark Foundation 2574-00-48 | 990PF | Director | 1 | $0 | - | View return |
| 2019 | North Haven Sustainable Housing | 990 | Board Member | 1 | $0 | $0 | View return |
| 2019 | Rockford Woodlawn Fund Inc. | 990PF | Board Member | 1 | $0 | $0 | View return |
| 2018 | North Haven Sustainable Housing | 990 | Board Member | 1 | $0 | $0 | View return |
| 2017 | North Haven Sustainable Housing | 990 | Board Member | 1 | $0 | $0 | View return |
| 2017 | Todmorden Foundation | 990PF | Chairman | 5 | $0 | $0 | View return |
| 2016 | Todmorden Foundation | 990PF | Chairman | 5 | $0 | $0 | View return |
| 2016 | North Haven Sustainable Housing | 990 | Board Member | 1 | $0 | $0 | View return |
| 2016 | Nathan M Clark Foundation 2574-00-48 | 990PF | Director | 1 | $0 | $0 | View return |
| 2016 | Todmorden Foundation | 990PF | Chairman | 5 | $0 | $0 | View return |
| 2015 | Todmorden Foundation | 990PF | Chairman | 5 | $0 | $0 | View return |
| 2015 | Nathan M Clark Foundation 2574-00-48 | 990PF | Director | 1 | $0 | $0 | View return |
| 2014 | Todmorden Foundation | 990PF | Chairman | 5 | $0 | $0 | View return |
| 2014 | Nathan M Clark Foundation 2574-00-48 | 990PF | Director | 0 | $0 | $0 | View return |
| 2013 | Nathan M Clark Foundation 2574-00-48 | 990PF | Director | 0.01 | $0 | $0 | View return |
| 2012 | Rockford Woodlawn Fund Inc. | 990PF | Chairman | 1 | $0 | $0 | View return |
| 2012 | Nathan M Clark Foundation 2574-00-48 | 990PF | Director | 0.01 | $0 | $0 | View return |
| 2011 | Nathan M Clark Foundation 2574-00-48 | 990PF | Director | 0.01 | $0 | $0 | View return |
| 2010 | Rockford Woodlawn Fund Inc. | 990PF | Chairman | 1 | $0 | $0 | View return |
| 2010 | Nathan M Clark Foundation 2574-00-48 | 990PF | Director | 0 | $0 | $0 | View return |