| 2024 | John B and Dareth Gerlach Foundation | 990 | Secretary/Trustee | 1 | $0 | $0 | View return |
| 2024 | The John J and Pauline Gerlach Foundation | 990 | Chairperson/Secretary/Trus | 1 | $0 | $0 | View return |
| 2024 | The Ohio State University Foundation | 990 | Board Of Directors | 0.25 | $0 | $0 | View return |
| 2023 | The John J and Pauline Gerlach Foundation | 990 | Chairperson/Secretary/Trustee | 1 | $0 | $0 | View return |
| 2023 | John B and Dareth Gerlach Foundation | 990 | Secretary/Trustee | 1 | $0 | $0 | View return |
| 2022 | The John J and Pauline Gerlach Foundation | 990 | Chairperson/Secretary/Trus | 1 | $0 | $0 | View return |
| 2022 | John B and Dareth Gerlach Foundation | 990 | Secretary/Trustee | 1 | $0 | $0 | View return |
| 2021 | The John J and Pauline Gerlach Foundation | 990 | Chairperson/Secretary/Trus | 1 | $0 | $0 | View return |
| 2021 | John B and Dareth Gerlach Foundation | 990 | Secretary/Trustee (As Of 12/10/21) | 1 | $0 | $0 | View return |
| 2020 | The John J and Pauline Gerlach Foundation | 990 | Chairperson/Secretary/Trus | 1 | $0 | $0 | View return |
| 2020 | John B and Dareth Gerlach Foundation | 990 | Secretary | 1 | $0 | $0 | View return |
| 2019 | John B and Dareth Gerlach Foundation | 990 | Secretary | 1 | $0 | $0 | View return |
| 2019 | The John J and Pauline Gerlach Foundation | 990 | Chairperson/Secretary/Trus | 1 | $0 | $0 | View return |
| 2018 | The John J and Pauline Gerlach Foundation | 990 | Chairperson/Secretary/Trus | 1 | $0 | $0 | View return |
| 2018 | John B and Dareth Gerlach Foundation | 990 | Secretary | 1 | $0 | $0 | View return |
| 2017 | The John J and Pauline Gerlach Foundation | 990 | Chairperson/Secretary/Trustee | 1 | $0 | $0 | View return |
| 2017 | John B and Dareth Gerlach Foundation | 990 | Secretary | 1 | $0 | $0 | View return |
| 2017 | The John J and Pauline Gerlach Foundation | 990 | Chairperson/Secretary/Trustee | 1 | $0 | $0 | View return |
| 2017 | John B and Dareth Gerlach Foundation | 990 | Secretary | 1 | $0 | $0 | View return |
| 2016 | John B and Dareth Gerlach Foundation | 990 | Secretary | 1 | $0 | $0 | View return |
| 2016 | The John J and Pauline Gerlach Foundation | 990 | Chair/Secretary/Trustee | 1 | $0 | $0 | View return |
| 2015 | The John J and Pauline Gerlach Foundation | 990 | Chair/Secretary/Trustee | 1 | $0 | $0 | View return |
| 2015 | John B and Dareth Gerlach Foundation | 990 | Secretary | 1 | $0 | $0 | View return |
| 2014 | John B and Dareth Gerlach Foundation | 990 | Secretary | 1 | $0 | $0 | View return |
| 2014 | The John J and Pauline Gerlach Foundation | 990 | Chair/Secretary/Trustee | 1 | $0 | $0 | View return |
| 2013 | The John J and Pauline Gerlach Foundation | 990 | Chair/Secretary/Trustee | 1 | $0 | $0 | View return |
| 2013 | John B and Dareth Gerlach Foundation | 990 | Secretary | 1 | $0 | $0 | View return |