| 2024 | Elma DILL Russell Spencer Foundation | 990PF | Vice President | 0 | $0 | $0 | View return |
| 2024 | Louis H and Mary Patricia Stumberg Foundation | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2024 | He Stumberg Sr Orphans Crippled Children & Handicapped Persons Trust | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2023 | Louis H and Mary Patricia Stumberg Foundation | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2023 | He Stumberg Sr Orphans Crippled Children & Handicapped Persons Trust | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2023 | Elma DILL Russell Spencer Foundation | 990PF | Vice President | 0 | $0 | - | View return |
| 2022 | Louis H and Mary Patricia Stumberg Foundation | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2022 | Elma DILL Russell Spencer Foundation | 990PF | Vice President | 0 | $0 | - | View return |
| 2022 | He Stumberg Sr Orphans Crippled Children & Handicapped Persons Trust | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2021 | Louis H and Mary Patricia Stumberg Foundation | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2021 | Elma DILL Russell Spencer Foundation | 990PF | Vice President | 0 | $0 | - | View return |
| 2021 | He Stumberg Sr Orphans Crippled Children & Handicapped Persons Trust | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2020 | Elma DILL Russell Spencer Foundation | 990PF | Vice President | 0 | $0 | - | View return |
| 2020 | Louis H and Mary Patricia Stumberg Foundation | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2020 | He Stumberg Sr Orphans Crippled Children & Handicapped Persons Trust | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2019 | He Stumberg Sr Orphans Crippled Children & Handicapped Persons Trust | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2019 | Elma DILL Russell Spencer Foundation | 990PF | Vice President | 0 | $0 | - | View return |
| 2019 | Louis H and Mary Patricia Stumberg Foundation | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2019 | Elma DILL Russell Spencer Foundation | 990PF | Vice President | 0 | $0 | - | View return |
| 2018 | Elma DILL Russell Spencer Foundation | 990PF | Vice President | 0 | $0 | - | View return |
| 2018 | Louis H and Mary Patricia Stumberg Foundation | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2018 | He Stumberg Sr Orphans Crippled Children & Handicapped Persons Trust | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2017 | Elma DILL Russell Spencer Foundation | 990PF | Vice President | 0 | $0 | - | View return |
| 2017 | He Stumberg Sr Orphans Crippled Children & Handicapped Persons Trust | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2017 | Louis H and Mary Patricia Stumberg Foundation | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2016 | Elma DILL Russell Spencer Foundation | 990PF | Vice President | 0 | $0 | - | View return |
| 2016 | Louis H and Mary Patricia Stumberg Foundation | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2016 | He Stumberg Sr Orphans Crippled Children & Handicapped Persons Trust | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2015 | Elma DILL Russell Spencer Foundation | 990PF | Vice President | 0 | $0 | - | View return |
| 2015 | He Stumberg Sr Orphans Crippled Children & Handicapped Persons Trust | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2015 | Louis H and Mary Patricia Stumberg Foundation | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2014 | Louis H and Mary Patricia Stumberg Foundation | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2014 | Elma DILL Russell Spencer Foundation | 990PF | Vice President | 0 | $0 | - | View return |
| 2014 | He Stumberg Sr Orphans Crippled Children & Handicapped Persons Trust | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2013 | Louis H and Mary Patricia Stumberg Foundation | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2013 | He Stumberg Sr Orphans Crippled Children & Handicapped Persons Trust | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2013 | Elma DILL Russell Spencer Foundation | 990PF | Vice President | 0 | $0 | - | View return |
| 2012 | Elma DILL Russell Spencer Foundation | 990PF | Vice President | 0 | $0 | - | View return |
| 2011 | Elma DILL Russell Spencer Foundation | 990PF | Vice President | 0 | $0 | - | View return |
| 2010 | Elma DILL Russell Spencer Foundation | 990PF | Vice President | 0 | $0 | - | View return |