| 2024 | Winchester Historical Society | 990PF | Trustee | 1 | $0 | - | View return |
| 2024 | The Gerald F Stogniew Jr Private Foundation Inc. | 990PF | Director | 0 | $0 | $0 | View return |
| 2023 | Winchester Historical Society | 990PF | Trustee | 1 | $0 | - | View return |
| 2023 | The Gerald F Stogniew Jr Private Foundation Inc. | 990PF | Director | 0 | $0 | $0 | View return |
| 2022 | Winchester Historical Society | 990PF | Trustee | 1 | $0 | - | View return |
| 2022 | The Gerald F Stogniew Jr Private Foundation Inc. | 990PF | Director | 0 | $0 | $0 | View return |
| 2022 | Elmhurst the House of Friendship Inc. | 990 | Board Member | 0.5 | $0 | $0 | View return |
| 2021 | Winchester Historical Society | 990PF | Trustee | 1 | $0 | - | View return |
| 2021 | The Gerald F Stogniew Jr Private Foundation Inc. | 990PF | Director | 0 | $0 | $0 | View return |
| 2021 | Elmhurst the House of Friendship Inc. | 990 | Board Member | 0.5 | $0 | $0 | View return |
| 2020 | The Gerald F Stogniew Jr Private Foundation Inc. | 990PF | Director | 0 | $0 | $0 | View return |
| 2020 | Winchester Historical Society | 990PF | Trustee | 1 | $0 | - | View return |
| 2020 | Elmhurst the House of Friendship Inc. | 990 | Board Member | 0.5 | $0 | $0 | View return |
| 2019 | Winchester Historical Society | 990PF | Trustee | 1 | $0 | - | View return |
| 2019 | Elmhurst the House of Friendship Inc. | 990 | Board Member | 0.5 | $0 | $0 | View return |
| 2019 | Constance B Ripley Land Trust | 990PF | Board Member | 0 | $0 | - | View return |
| 2019 | The Gerald F Stogniew Jr Private Foundation Inc. | 990PF | Director | 0 | $0 | $0 | View return |
| 2018 | Winchester Historical Society | 990PF | Trustee | 1 | $0 | - | View return |
| 2018 | The Gerald F Stogniew Jr Private Foundation Inc. | 990PF | Director | 0 | $0 | $0 | View return |
| 2018 | Elmhurst the House of Friendship Inc. | 990 | Board Member | 0.5 | $0 | $0 | View return |
| 2018 | Constance B Ripley Land Trust | 990PF | Board Member | 0 | $0 | - | View return |
| 2017 | American Dairy Products Institute | 990 | Director | 0 | $0 | $0 | View return |
| 2017 | Constance B Ripley Land Trust | 990PF | Board Member | 0 | $0 | - | View return |
| 2017 | Winchester Historical Society | 990PF | Trustee | 1 | $0 | - | View return |
| 2017 | The Gerald F Stogniew Jr Private Foundation Inc. | 990PF | Director | 0 | $0 | $0 | View return |
| 2016 | American Dairy Products Institute | 990 | Director | 0 | $0 | $0 | View return |
| 2016 | The Gerald F Stogniew Jr Private Foundation Inc. | 990PF | Director | 0 | $0 | $0 | View return |
| 2016 | Constance B Ripley Land Trust | 990PF | Board Member | 0 | $0 | - | View return |
| 2016 | Winchester Historical Society | 990PF | Trustee | 1 | $0 | - | View return |
| 2015 | American Dairy Products Institute | 990 | Director | 0 | $0 | $0 | View return |
| 2015 | Constance B Ripley Land Trust | 990PF | Board Member | 0 | $0 | - | View return |
| 2015 | Winchester Historical Society | 990PF | Trustee | 1 | $0 | - | View return |
| 2015 | The Gerald F Stogniew Jr Private Foundation Inc. | 990PF | Director | 0 | $0 | $0 | View return |
| 2014 | The Gerald F Stogniew Jr Private Foundation Inc. | 990PF | Director | 0 | $0 | $0 | View return |
| 2014 | Constance B Ripley Land Trust | 990PF | Board Member | 0 | $0 | - | View return |
| 2014 | American Dairy Products Institute | 990 | Director | 0 | $0 | $0 | View return |
| 2013 | American Dairy Products Institute | 990 | Director | 0 | $0 | $0 | View return |
| 2013 | The Gerald F Stogniew Jr Private Foundation Inc. | 990PF | Director | 0 | $0 | $0 | View return |
| 2013 | Bexar Bulverde Volunteer Fire Department | 990 | Director | 3 | $0 | $0 | View return |
| 2012 | The Gerald F Stogniew Jr Private Foundation Inc. | 990PF | Director | 0 | $0 | $0 | View return |
| 2011 | The Gerald F Stogniew Jr Private Foundation Inc. | 990PF | Director | 0 | $0 | $0 | View return |
| 2010 | The Gerald F Stogniew Jr Private Foundation Inc. | 990PF | Director | 0 | $0 | $0 | View return |