| 2025 | Claude L Nelson Charitable Foundation Inc. | 990PF | Director | 1 | $0 | $0 | View return |
| 2024 | Claude L Nelson Charitable Foundation Inc. | 990PF | Director | 1 | $0 | $0 | View return |
| 2023 | Ruth Q Davis Foundation Inc. | 990PF | VP/Director | 30 | $15,000 | $0 | View return |
| 2023 | Claude L Nelson Charitable Foundation Inc. | 990PF | Director | 1 | $0 | $0 | View return |
| 2022 | Ruth Q Davis Foundation Inc. | 990PF | VP/Director | 30 | $15,000 | $11,600 | View return |
| 2022 | Claude L Nelson Charitable Foundation Inc. | 990PF | Director | 1 | $0 | $0 | View return |
| 2021 | Ruth Q Davis Foundation Inc. | 990PF | Bd Chair/Director | 30 | $11,875 | $8,480 | View return |
| 2021 | Claude L Nelson Charitable Foundation Inc. | 990PF | Director | 1 | $0 | $0 | View return |
| 2020 | Ruth Q Davis Foundation Inc. | 990PF | Bd Chair/Director | 1 | $0 | $0 | View return |
| 2020 | Claude L Nelson Charitable Foundation Inc. | 990PF | Director | 1 | $0 | $0 | View return |
| 2020 | Ruth Q Davis Foundation Inc. | 990PF | Bd Chair/Director | 1 | $0 | $0 | View return |
| 2019 | Ruth Q Davis Foundation Inc. | 990PF | Bd Chair/Director | 0.5 | $0 | $0 | View return |
| 2019 | Claude L Nelson Charitable Foundation Inc. | 990PF | Director | 1 | $0 | $0 | View return |
| 2019 | Ruth Q Davis Foundation Inc. | 990PF | Bd Chair/Director | 0.5 | $0 | $0 | View return |
| 2018 | Claude L Nelson Charitable Foundation Inc. | 990PF | Director | 1 | $0 | $0 | View return |
| 2018 | Ruth Q Davis Foundation Inc. | 990PF | Bd Chair/Director | 1 | $0 | $0 | View return |
| 2016 | Claude L Nelson Charitable Foundation Inc. | 990PF | Vice Pres | 1 | $0 | $0 | View return |
| 2016 | Ruth Q Davis Foundation Inc. | 990PF | Bd Chair/Director | 0.5 | $0 | $0 | View return |
| 2015 | Claude L Nelson Charitable Foundation Inc. | 990PF | Vice Pres | 1 | $0 | $0 | View return |
| 2015 | Ruth Q Davis Foundation Inc. | 990PF | Bd Chair/Director | 0.5 | $0 | $0 | View return |
| 2014 | Ruth Q Davis Foundation Inc. | 990PF | Board Chair | 0.5 | $0 | $0 | View return |
| 2014 | Claude L Nelson Charitable Foundation Inc. | 990PF | Vice Pres | 1 | $0 | $0 | View return |
| 2013 | Ruth Q Davis Foundation Inc. | 990PF | Director | 0.5 | $0 | $0 | View return |
| 2013 | Claude L Nelson Charitable Foundation Inc. | 990PF | Vice Pres | 1 | $0 | $0 | View return |
| 2012 | Claude L Nelson Charitable Foundation Inc. | 990PF | Vice Pres | 0.5 | $0 | $0 | View return |
| 2012 | Ruth Q Davis Foundation Inc. | 990PF | Director | 0.5 | $0 | $0 | View return |
| 2011 | Claude L Nelson Charitable Foundation Inc. | 990PF | Vice Pres | 1 | $0 | $0 | View return |
| 2011 | Ruth Q Davis Foundation Inc. | 990PF | Director | 1 | $0 | $0 | View return |
| 2010 | Claude L Nelson Charitable Foundation Inc. | 990PF | Vice Pres | 1 | $0 | $0 | View return |