| 2025 | Grass Lake Senior Center | 990EZ | Secretary | 5 | $0 | - | View return |
| 2025 | Lakehurst Foundation | 990PF | Secretary | 0 | $0 | $0 | View return |
| 2024 | Auto-Stalgia Inc C/O Frederick C Koch | 990PF | Director | 10 | $0 | - | View return |
| 2024 | Lakehurst Foundation | 990PF | Secretary | 0 | $0 | $0 | View return |
| 2024 | Grass Lake Senior Center | 990EZ | Secretary | 5 | $0 | - | View return |
| 2024 | Seal Cove Auto Museum | 990PF | Director | 0.5 | $0 | $0 | View return |
| 2024 | Regina Health Center | 990 | Director | 1 | $0 | $0 | View return |
| 2023 | Lakehurst Foundation | 990PF | Secretary | 0 | $0 | $0 | View return |
| 2023 | Grass Lake Senior Center | 990EZ | Secretary | 5 | $0 | - | View return |
| 2023 | Regina Health Center | 990 | Director | 1 | $0 | $0 | View return |
| 2023 | Auto-Stalgia Inc C/O Frederick C Koch | 990PF | Director | 10 | $0 | - | View return |
| 2022 | Lakehurst Foundation | 990PF | Secretary | 0 | $0 | $0 | View return |
| 2022 | Regina Health Center | 990 | Director | 1 | $0 | $0 | View return |
| 2022 | Auto-Stalgia Inc C/O Frederick C Koch | 990PF | Director | 10 | $0 | - | View return |
| 2021 | Arundel Community Development Services Inc. | 990 | Executive Director, Former | 40 | $239,422 | $0 | View return |
| 2021 | Lakehurst Foundation | 990PF | Secretary | 0 | $0 | $0 | View return |
| 2021 | Regina Health Center | 990 | Director | 1 | $0 | $0 | View return |
| 2021 | Auto-Stalgia Inc C/O Frederick C Koch | 990PF | Director | 10 | $0 | - | View return |
| 2020 | Arundel Community Development Services Inc. | 990 | Executive Director | 40 | $229,291 | $0 | View return |
| 2020 | Illinois Nursing Home Admin Assoc | 990EZ | Board Member | 1 | $0 | $0 | View return |
| 2020 | F Christian Koch and Kathleen Koch | 990PF | Trustee | 0 | $0 | - | View return |
| 2020 | Lakehurst Foundation | 990PF | Secretary | 0 | $0 | $0 | View return |
| 2020 | Regina Health Center | 990 | Director | 1 | $0 | $0 | View return |
| 2020 | Locust Valley Middle School Parents Council Inc. | 990EZ | Director | 2 | $0 | $0 | View return |
| 2020 | Auto-Stalgia Inc C/O Frederick C Koch | 990PF | Director | 10 | $0 | - | View return |
| 2019 | Arundel Community Development Services Inc. | 990 | Executive Director | 40 | $208,274 | $0 | View return |
| 2019 | Lakehurst Foundation | 990PF | Secretary | 0 | $0 | $0 | View return |
| 2019 | Auto-Stalgia Inc C/O Frederick C Koch | 990PF | Director | 10 | $0 | - | View return |
| 2019 | F Christian Koch and Kathleen Koch | 990PF | Trustee | 0 | $0 | - | View return |
| 2019 | Baltimore Regional Housing Partnership Inc. | 990 | Director Until 11/2019 | 1 | $0 | $0 | View return |
| 2019 | Locust Valley Middle School Parents Council Inc. | 990EZ | Director | 2 | $0 | $0 | View return |
| 2019 | Regina Health Center | 990 | Director | 1 | $0 | $0 | View return |
| 2018 | Arundel Community Development Services Inc. | 990 | Executive Director | 40 | $200,251 | $0 | View return |
| 2018 | Baltimore Regional Housing Partnership Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2018 | Lakehurst Foundation | 990PF | Secretary | 0 | $0 | $0 | View return |
| 2018 | Locust Valley Middle School Parents Council Inc. | 990EZ | Director | 2 | $0 | $0 | View return |
| 2018 | Regina Health Center | 990 | Director | 1 | $0 | $0 | View return |
| 2018 | Auto-Stalgia Inc C/O Frederick C Koch | 990PF | Director | 10 | $0 | $0 | View return |
| 2017 | Arundel Community Development Services Inc. | 990 | Executive Director | 40 | $190,403 | $0 | View return |
| 2017 | Baltimore Regional Housing Partnership Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2017 | Hattie Larlham Foundation | 990 | Secretary | 2 | $0 | $0 | View return |
| 2017 | Lakehurst Foundation | 990PF | Secretary | 0 | $0 | $0 | View return |
| 2017 | Auto-Stalgia Inc C/O Frederick C Koch | 990PF | Director | 10 | $0 | - | View return |
| 2017 | Regina Health Center | 990 | Director | 1 | $0 | $0 | View return |
| 2017 | F Christian Koch and Kathleen Koch | 990PF | Trustee | 0 | $0 | - | View return |
| 2016 | Arundel Community Development Services Inc. | 990 | Executive Director | 40 | $184,805 | $0 | View return |
| 2016 | Auto-Stalgia Inc C/O Frederick C Koch | 990PF | Director | 10 | $0 | - | View return |
| 2016 | Lakehurst Foundation | 990PF | Secretary | 0 | $0 | $0 | View return |
| 2016 | Hattie Larlham Foundation | 990 | Secretary | 2 | $0 | $0 | View return |
| 2016 | Regina Health Center | 990 | Director | 1 | $0 | $0 | View return |
| 2016 | Baltimore Regional Housing Partnership Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2016 | F Christian Koch and Kathleen Koch | 990PF | Trustee | 0 | $0 | - | View return |
| 2015 | Arundel Community Development Services Inc. | 990 | Executive Director | 40 | $179,105 | $0 | View return |
| 2015 | F Christian Koch and Kathleen Koch | 990PF | Trustee | 0 | $0 | - | View return |
| 2015 | Hattie Larlham Foundation | 990 | Secretary | 2 | $0 | $0 | View return |
| 2015 | Auto-Stalgia Inc C/O Frederick C Koch | 990PF | Director | 10 | $0 | - | View return |
| 2015 | Lakehurst Foundation | 990PF | Secretary | 0 | $0 | - | View return |
| 2014 | Arundel Community Development Services Inc. | 990 | Executive Director | 40 | $173,137 | $0 | View return |
| 2014 | Lakehurst Foundation | 990PF | Secretary | 0 | $0 | - | View return |
| 2014 | Auto-Stalgia Inc C/O Frederick C Koch | 990PF | Director | 10 | $0 | - | View return |
| 2014 | Hattie Larlham Foundation | 990 | Secretary | 2 | $0 | $0 | View return |
| 2014 | Regina Health Center | 990 | Director | 0 | $0 | $0 | View return |
| 2013 | Hattie Larlham Foundation | 990 | Secretary | 2 | $0 | $0 | View return |
| 2013 | Lakehurst Foundation | 990PF | Secretary | 0 | $0 | - | View return |
| 2013 | Peace Life Care System Nfp | 990 | Secretary | 3 | $0 | $0 | View return |
| 2013 | Auto-Stalgia Inc C/O Frederick C Koch | 990PF | Director | 10 | $0 | - | View return |
| 2013 | Regina Health Center | 990 | Director | 1 | $0 | $0 | View return |
| 2013 | Northwest Art Alliance | 990 | Board Member | 2 | $0 | $0 | View return |
| 2012 | Auto-Stalgia Inc C/O Frederick C Koch | 990PF | Director | 10 | $0 | - | View return |
| 2012 | Lakehurst Foundation | 990PF | Secretary | 0 | $0 | - | View return |
| 2011 | Auto-Stalgia Inc C/O Frederick C Koch | 990PF | Director | 10 | $0 | - | View return |