| 2023 | Humane Society of the Sierra Foothills | 990 | Secretary | 2 | $0 | $0 | View return |
| 2022 | Donald E Nielsen Foundation Inc | 990PF | Director/VP | 1 | $5,000 | $0 | View return |
| 2022 | Humane Society of the Sierra Foothills | 990 | Secretary | 2 | $0 | $0 | View return |
| 2022 | The Brackpool Family Foundation | 990PF | CFO | 1 | $0 | $0 | View return |
| 2021 | Donald E Nielsen Foundation Inc | 990PF | Director/VP | 1 | $5,000 | $0 | View return |
| 2021 | Humane Society of the Sierra Foothills | 990 | Secretary | 2 | $0 | $0 | View return |
| 2021 | The Brackpool Family Foundation | 990PF | CFO | 4 | $0 | $0 | View return |
| 2020 | Donald E Nielsen Foundation Inc | 990PF | Director/VP | 1 | $5,000 | $0 | View return |
| 2020 | The Brackpool Family Foundation | 990PF | CFO | 4 | $0 | $0 | View return |
| 2020 | Humane Society of the Sierra Foothills | 990 | Secretary | 2 | $0 | $0 | View return |
| 2019 | Donald E Nielsen Foundation Inc | 990PF | Director/VP | 1 | $5,000 | $0 | View return |
| 2019 | Humane Society of the Sierra Foothills | 990 | Secretary | 2 | $0 | $0 | View return |
| 2018 | The Brackpool Family Foundation | 990PF | CFO | 4 | $0 | $0 | View return |
| 2018 | Humane Society of the Sierra Foothills | 990 | Secretary | 0 | $0 | $0 | View return |
| 2017 | Donald E Nielsen Foundation Inc | 990PF | Director/VP | 1 | $5,000 | $0 | View return |
| 2017 | Humane Society of the Sierra Foothills | 990 | Director | 0 | $0 | $0 | View return |
| 2017 | The Brackpool Family Foundation | 990PF | CFO | 4 | $0 | $0 | View return |
| 2016 | Donald E Nielsen Foundation Inc | 990PF | Director/VP | 1 | $5,000 | $0 | View return |
| 2016 | The Brackpool Family Foundation | 990PF | CFO | 4 | $0 | $0 | View return |
| 2015 | Donald E Nielsen Foundation Inc | 990PF | Director/VP | 1 | $5,000 | $0 | View return |
| 2015 | The Brackpool Family Foundation | 990PF | CFO | 4 | $0 | $0 | View return |
| 2014 | Donald E Nielsen Foundation Inc | 990PF | Director/VP | 1 | $5,000 | $0 | View return |
| 2014 | The Brackpool Family Foundation | 990PF | CFO | 4 | $0 | $0 | View return |
| 2013 | Donald E Nielsen Foundation Inc | 990PF | Director/VP | 1 | $5,000 | $0 | View return |
| 2013 | The Brackpool Family Foundation | 990PF | CFO | 4 | $0 | $0 | View return |
| 2012 | Donald E Nielsen Foundation Inc | 990PF | Director/VP | 1 | $5,000 | $0 | View return |
| 2011 | Donald E Nielsen Foundation Inc | 990PF | Director/VP | 1 | $5,000 | $0 | View return |
| 2010 | Donald E Nielsen Foundation Inc | 990PF | Director/VP | 1 | $5,000 | $0 | View return |
| 2009 | Donald E Nielsen Foundation Inc | 990PF | V. President | 1 | $0 | $0 | View return |