| 2024 | The Sean Joslyn Sean-Karl and Johanna Grace Dobson Foundation | 990PF | Director | 2 | $0 | $0 | View return |
| 2024 | Capital City Fund for Education Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2024 | Progressive Maryland Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2024 | Progressive Maryland Education Fund Inc | 990 | President | 1 | $0 | $0 | View return |
| 2024 | Amherst Foundation | 990PF | Director | 1 | $0 | - | View return |
| 2023 | Progressive Maryland Education Fund Inc | 990 | President | 1 | $0 | $0 | View return |
| 2023 | Amherst Foundation | 990PF | Director | 1 | $0 | - | View return |
| 2023 | Progressive Maryland Inc | 990 | President | 1 | $0 | $0 | View return |
| 2023 | The Sean Joslyn Sean-Karl and Johanna Grace Dobson Foundation | 990PF | Director | 2 | $0 | $0 | View return |
| 2023 | Capital City Fund for Education Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2022 | The Sean Joslyn Sean-Karl and Johanna Grace Dobson Foundation | 990PF | Director | 2 | $0 | $0 | View return |
| 2022 | Progressive Maryland Inc | 990 | President | 1 | $0 | $0 | View return |
| 2022 | Progressive Maryland Education Fund Inc | 990 | President | 1 | $0 | $0 | View return |
| 2022 | Capital City Fund for Education Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2022 | Amherst Foundation | 990PF | Director | 1 | $0 | - | View return |
| 2021 | The Sean Joslyn Sean-Karl and Johanna Grace Dobson Foundation | 990PF | Director | 2 | $0 | $0 | View return |
| 2021 | Progressive Maryland Inc | 990 | President | 1 | $0 | $0 | View return |
| 2021 | Progressive Maryland Education Fund Inc | 990 | President | 1 | $0 | $0 | View return |
| 2021 | Amherst Foundation | 990PF | Director | 1 | $0 | - | View return |
| 2021 | Capital City Fund for Education Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2020 | Progressive Maryland Education Fund Inc | 990 | President | 2 | $0 | $0 | View return |
| 2020 | Progressive Maryland Inc | 990 | President | 0.7 | $0 | $0 | View return |
| 2020 | The Sean Joslyn Sean-Karl and Johanna Grace Dobson Foundation | 990PF | Director | 2 | $0 | $0 | View return |
| 2020 | Amherst Foundation | 990PF | Director | 1 | $0 | - | View return |
| 2020 | Capital City Fund for Education Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2019 | Progressive Maryland Education Fund Inc | 990 | President | 2 | $38,817 | $0 | View return |
| 2019 | Capital City Fund for Education Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2019 | Amherst Foundation | 990PF | Director | 1 | $0 | - | View return |
| 2019 | The Sean Joslyn Sean-Karl and Johanna Grace Dobson Foundation | 990PF | Director | 2 | $0 | $0 | View return |
| 2019 | Progressive Maryland Inc | 990EZ | Director | 1 | $0 | $0 | View return |
| 2018 | Progressive Maryland Education Fund Inc | 990 | Treasurer | 1.5 | $0 | $0 | View return |
| 2018 | Capital City Fund for Education Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2018 | Amherst Foundation | 990PF | Director | 1 | $0 | - | View return |
| 2018 | The Sean Joslyn Sean-Karl and Johanna Grace Dobson Foundation | 990PF | Director | 2 | $0 | $0 | View return |
| 2017 | Amherst Foundation | 990PF | Director | 1 | $0 | - | View return |
| 2017 | Progressive Maryland Education Fund Inc | 990 | Treasurer | 1.5 | $0 | $0 | View return |
| 2017 | Progressive Maryland Inc | 990 | Chair | 2.5 | $0 | $0 | View return |
| 2017 | Capital City Fund for Education Inc | 990 | Board Member | 1 | $0 | $0 | View return |
| 2017 | The Sean Joslyn Sean-Karl and Johanna Grace Dobson Foundation | 990PF | Director | 2 | $0 | $0 | View return |
| 2016 | Capital City Fund for Education Inc | 990 | Board Member | 1 | $0 | $0 | View return |
| 2016 | Progressive Maryland Inc | 990 | Director | 1.5 | $0 | $0 | View return |
| 2016 | Amherst Foundation | 990PF | Director | 1 | $0 | - | View return |
| 2016 | Southern Oklahoma Board of Realtors Inc | 990EZ | President | 0.01 | $0 | $0 | View return |
| 2016 | Progressive Maryland Education Fund Inc | 990EZ | Director | 1.5 | $0 | $0 | View return |
| 2016 | The Sean Joslyn Sean-Karl and Johanna Grace Dobson Foundation | 990PF | Director | 2 | $0 | $0 | View return |
| 2016 | Oklahoma Association of Realtors | 990 | Director | 2 | $0 | $0 | View return |
| 2015 | Amherst Foundation | 990PF | Director | 1 | $0 | - | View return |
| 2015 | The Sean Joslyn Sean-Karl and Johanna Grace Dobson Foundation | 990PF | Director | 2 | $0 | - | View return |
| 2015 | Southern Oklahoma Board of Realtors Inc | 990EZ | President Elect | 0.01 | $0 | $0 | View return |
| 2015 | Capital City Fund for Education Inc | 990 | Board Member | 1 | $0 | $0 | View return |
| 2015 | Progressive Maryland Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2015 | Progressive Maryland Education Fund Inc | 990 | Director | 0 | $0 | $0 | View return |
| 2014 | Amherst Foundation | 990PF | Director | 1 | $0 | - | View return |
| 2014 | The Sean Joslyn Sean-Karl and Johanna Grace Dobson Foundation | 990PF | Director | 2 | $0 | - | View return |
| 2014 | Capital City Fund for Education Inc | 990 | Board Member | 1 | $0 | $0 | View return |
| 2014 | Structured Finance Industry Group Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2013 | Amherst Foundation | 990PF | Director | 1 | $0 | - | View return |
| 2013 | The Sean Joslyn Sean-Karl and Johanna Grace Dobson Foundation | 990PF | Director | 2 | $0 | $0 | View return |
| 2013 | Capital City Fund for Education Inc | 990 | Board Member | 1 | $0 | $0 | View return |
| 2012 | The Sean Joslyn Sean-Karl and Johanna Grace Dobson Foundation | 990PF | Director | 2 | $0 | $0 | View return |
| 2012 | Amherst Foundation | 990PF | Director | 1 | $0 | $0 | View return |
| 2011 | The Sean Joslyn Sean-Karl and Johanna Grace Dobson Foundation | 990PF | Director | 2 | $0 | $0 | View return |