| 2024 | The Ward J and Joy a Timken Foundation | 990PF | VP/Ttee | 1 | $0 | - | View return |
| 2024 | Timken Foundation of Canton | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2023 | The Ward J and Joy a Timken Foundation | 990PF | VP/Ttee | 1 | $0 | - | View return |
| 2023 | Timken Foundation of Canton | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2022 | The Ward J and Joy a Timken Foundation | 990PF | VP/Ttee | 1 | $0 | - | View return |
| 2022 | Timken Foundation of Canton | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2021 | The Ward J and Joy a Timken Foundation | 990PF | VP/Ttee | 1 | $0 | - | View return |
| 2021 | Timken Foundation of Canton | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2020 | The Ward J and Joy a Timken Foundation | 990PF | VP/Ttee | 1 | $0 | - | View return |
| 2020 | Timken Foundation of Canton | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2019 | Timken Foundation of Canton | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2019 | The Ward J and Joy a Timken Foundation | 990PF | VP/Ttee | 1 | $0 | - | View return |
| 2018 | The Ward J and Joy a Timken Foundation | 990PF | VP/Ttee | 1 | $0 | - | View return |
| 2018 | Timken Foundation of Canton | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2017 | The Ward J and Joy a Timken Foundation | 990PF | VP/Ttee | 1 | $0 | - | View return |
| 2017 | Timken Foundation of Canton | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2016 | Timken Foundation of Canton | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2016 | The Ward J and Joy a Timken Foundation | 990PF | VP/Ttee | 1 | $0 | - | View return |
| 2015 | Timken Foundation of Canton | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2015 | The Ward J and Joy a Timken Foundation | 990PF | VP/Ttee | 1 | $0 | - | View return |
| 2014 | Timken Foundation of Canton | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2014 | The Ward J and Joy a Timken Foundation | 990PF | VP/Ttee | 1 | $0 | - | View return |
| 2013 | The Ward J and Joy a Timken Foundation | 990PF | VP/Ttee | 1 | $0 | - | View return |
| 2013 | Timken Foundation of Canton | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2012 | The Ward J and Joy a Timken Foundation | 990PF | VP/Ttee | 1 | $0 | - | View return |
| 2011 | Timken Foundation of Canton | 990PF | Vice Pres/Trustee | 1 | $0 | $0 | View return |
| 2011 | Timken Foundation of Canton | 990PF | Vice Pres/Trustee | 1 | $0 | $0 | View return |
| 2011 | The Ward J and Joy a Timken Foundation | 990PF | Vice Pres/Trustee | 0 | $0 | - | View return |
| 2010 | The Ward J and Joy a Timken Foundation | 990PF | Vice Pres/Trustee | 1 | $0 | $0 | View return |
| 2010 | Timken Foundation of Canton | 990PF | Vice Pres/Trustee | 1 | $0 | $0 | View return |