| 2025 | Otzen Family Foundation Incorporated | 990PF | Treasurer/Manager | 0 | $0 | $0 | View return |
| 2025 | Mkl Foundation Incorporated | 990PF | President\Manager | 0 | $0 | $0 | View return |
| 2024 | Mkl Foundation Incorporated | 990PF | President\Manager | 0 | $0 | $0 | View return |
| 2024 | Otzen Family Foundation Incorporated | 990PF | Treasurer/Manager | 0 | $0 | $0 | View return |
| 2023 | Mkl Foundation Incorporated | 990PF | President, Manager | 0 | $0 | $0 | View return |
| 2023 | Otzen Family Foundation Incorporated | 990PF | Treasurer/Manager | 0 | $0 | $0 | View return |
| 2022 | Mkl Foundation Incorporated | 990PF | President, Manager | 0 | $0 | $0 | View return |
| 2022 | Otzen Family Foundation Incorporated | 990PF | Treasurer/Manager | 0 | $0 | $0 | View return |
| 2021 | Mkl Foundation Incorporated | 990PF | President, Manager | 0 | $0 | $0 | View return |
| 2021 | Otzen Family Foundation Incorporated | 990PF | Treasurer/Manager | 0 | $0 | $0 | View return |
| 2020 | Otzen Family Foundation Incorporated | 990PF | Treasurer/Manager | 0 | $0 | $0 | View return |
| 2020 | Mkl Foundation Incorporated | 990PF | President, Manager | 0 | $0 | $0 | View return |
| 2020 | Geneva Lake Conservancy Inc. | 990 | Treasurer | 6 | $0 | $0 | View return |
| 2019 | Geneva Lake Conservancy Inc. | 990 | Treasurer | 6 | $0 | $0 | View return |
| 2019 | Mkl Foundation Incorporated | 990PF | President, Manager | 0 | $0 | $0 | View return |
| 2019 | Otzen Family Foundation Incorporated | 990PF | Treasurer/Manager | 0 | $0 | $0 | View return |
| 2018 | Mkl Foundation Incorporated | 990PF | President, Manager | 0 | $0 | $0 | View return |
| 2018 | Geneva Lake Conservancy Inc. | 990 | Treasurer | 6 | $0 | $0 | View return |
| 2018 | Otzen Family Foundation Incorporated | 990PF | Treasurer/Manager | 0 | $0 | $0 | View return |
| 2017 | Mkl Foundation Incorporated | 990PF | President, Manager | 0 | $0 | $0 | View return |
| 2017 | Geneva Lake Conservancy Inc. | 990 | Treasurer | 6 | $0 | $0 | View return |
| 2017 | Otzen Family Foundation Incorporated | 990PF | Treasurer/Manager | 0 | $0 | $0 | View return |
| 2016 | Mkl Foundation Incorporated | 990PF | President, Manager | 0 | $0 | $0 | View return |
| 2016 | Otzen Family Foundation Incorporated | 990PF | Treasurer/Manager | 0 | $0 | $0 | View return |
| 2015 | Otzen Family Foundation Incorporated | 990PF | Treasurer/Manager | 0 | $0 | $0 | View return |
| 2015 | Mkl Foundation Incorporated | 990PF | President, Manager | 0 | $0 | $0 | View return |
| 2014 | Virginia Society for Human Life Inc. Educational Fund | 990 | Secretary | 2 | $0 | $0 | View return |
| 2014 | Otzen Family Foundation Incorporated | 990PF | Treasurer/Manager | 0 | $0 | $0 | View return |
| 2014 | Mkl Foundation Incorporated | 990PF | President, Manager | 0 | $0 | $0 | View return |
| 2013 | Mkl Foundation Incorporated | 990PF | President, Manager | 0 | $0 | $0 | View return |
| 2013 | Otzen Family Foundation Incorporated | 990PF | Treasurer/Manager | 0 | $0 | $0 | View return |
| 2013 | Virginia Society for Human Life Inc. Educational Fund | 990 | Secretary | 2 | $0 | $0 | View return |
| 2012 | Otzen Family Foundation Incorporated | 990PF | Treasurer/Manager | 0 | $0 | $0 | View return |
| 2012 | Mkl Foundation Incorporated | 990PF | President, Manager | 0 | $0 | $0 | View return |
| 2011 | Otzen Family Foundation Incorporated | 990PF | Treasurer/Manager | 0 | $0 | $0 | View return |
| 2011 | Mkl Foundation Incorporated | 990PF | President, Manager | 0 | $0 | $0 | View return |
| 2010 | Otzen Family Foundation Incorporated | 990PF | Treasurer/Manager | 0 | $0 | $0 | View return |
| 2010 | Mkl Foundation Incorporated | 990PF | President, Manager | 0 | $0 | $0 | View return |