| 2024 | Junior Achievement of Northern In | 990 | Director | 1 | $0 | $0 | View return |
| 2024 | William R Higgins Jr Foundation Inc. | 990PF | Director | 0.1 | $0 | - | View return |
| 2024 | Antique Car Museum of Iowa | 990 | Chair | 20 | $0 | $0 | View return |
| 2024 | State Historical Society | 990PF | President | 2 | $0 | - | View return |
| 2023 | Antique Car Museum of Iowa | 990 | Chair | 20 | $0 | $0 | View return |
| 2023 | Junior Achievement of Northern In | 990 | Director | 1 | $0 | $0 | View return |
| 2023 | William R Higgins Jr Foundation Inc. | 990PF | Director | 0.1 | $0 | - | View return |
| 2022 | Antique Car Museum of Iowa | 990 | Chair | 20 | $0 | $0 | View return |
| 2022 | William R Higgins Jr Foundation Inc. | 990PF | Director | 0.1 | $0 | - | View return |
| 2022 | Junior Achievement of Northern In | 990 | Director | 1 | $0 | $0 | View return |
| 2021 | William R Higgins Jr Foundation Inc. | 990PF | Director | 0.1 | $0 | - | View return |
| 2021 | Junior Achievement of Northern In | 990 | Director | 1 | $0 | $0 | View return |
| 2021 | Antique Car Museum of Iowa | 990 | Chair | 20 | $0 | $0 | View return |
| 2020 | William R Higgins Jr Foundation Inc. | 990PF | Director | 0.1 | $0 | - | View return |
| 2020 | Junior Achievement of Northern In | 990 | Director | 1 | $0 | $0 | View return |
| 2019 | William R Higgins Jr Foundation Inc. | 990PF | Director | 0.1 | $0 | - | View return |
| 2019 | Junior Achievement of Northern In | 990 | Director | 1 | $0 | $0 | View return |
| 2018 | William R Higgins Jr Foundation Inc. | 990PF | Director | 0.1 | $750 | - | View return |
| 2018 | Junior Achievement of Northern In | 990 | Director | 1 | $0 | $0 | View return |
| 2017 | William R Higgins Jr Foundation Inc. | 990PF | President | 0.5 | $0 | - | View return |
| 2017 | Junior Achievement of Northern In | 990 | Director | 1 | $0 | $0 | View return |
| 2016 | William R Higgins Jr Foundation Inc. | 990PF | President | 0.5 | $0 | - | View return |
| 2016 | Junior Achievement of Northern In | 990 | Director | 1 | $0 | $0 | View return |
| 2014 | William R Higgins Jr Foundation Inc. | 990PF | President | 0.5 | $1,500 | - | View return |
| 2013 | William R Higgins Jr Foundation Inc. | 990PF | President | 0.5 | $1,500 | - | View return |