| 2024 | Bartels Trust for Public Education In | 990 | Trustee | 0.1 | $0 | $0 | View return |
| 2024 | Henry E & Nancy H Bartels Trust FBO | 990 | Trustee | 0.1 | $0 | $0 | View return |
| 2024 | The Susan Todd Horton Class of 1910 | 990 | Trustee | 0.1 | $0 | $0 | View return |
| 2024 | Knickerbocker Club Inc | 990 | Treasurer | 3 | $0 | $0 | View return |
| 2024 | Henry E & Nancy H Bartels Trust FBO | 990 | Trustee | 0.1 | $0 | $0 | View return |
| 2023 | Henry E & Nancy H Bartels Trust FBO | 990 | Trustee | 0.1 | $0 | $0 | View return |
| 2023 | The Susan Todd Horton Class of 1910 | 990 | Trustee | 0.1 | $0 | $0 | View return |
| 2023 | Bartels Trust for Public Education In | 990 | Trustee | 0.1 | $0 | $0 | View return |
| 2023 | Knickerbocker Club Inc | 990 | Treasurer | 3 | $0 | $0 | View return |
| 2023 | Henry E & Nancy H Bartels Trust FBO | 990 | Trustee | 0.1 | $0 | $0 | View return |
| 2023 | Choate Rosemary Hall Foundation | 990 | Trustee | 2 | $0 | $0 | View return |
| 2022 | Henry E & Nancy H Bartels Trust FBO | 990 | Trustee | 0.1 | $0 | $0 | View return |
| 2022 | Bartels Trust for Public Education In | 990 | Trustee | 0.1 | $0 | $0 | View return |
| 2022 | Knickerbocker Club Inc | 990 | Treasurer | 3 | $0 | $0 | View return |
| 2022 | Henry E & Nancy H Bartels Trust FBO | 990 | Trustee | 0.1 | $0 | $0 | View return |
| 2022 | The Susan Todd Horton Class of 1910 | 990 | Trustee | 0.1 | $0 | $0 | View return |
| 2022 | Choate Rosemary Hall Foundation | 990 | Trustee | 2 | $0 | $0 | View return |
| 2021 | The Susan Todd Horton Class of 1910 | 990 | Trustee | 0.1 | $0 | $0 | View return |
| 2021 | Henry E & Nancy H Bartels Trust FBO | 990 | Trustee | 0.1 | $0 | $0 | View return |
| 2021 | Bartels Trust for Public Education In | 990 | Trustee | 0.1 | $0 | $0 | View return |
| 2021 | Knickerbocker Club Inc | 990 | Treasurer | 3 | $0 | $0 | View return |
| 2021 | Henry E & Nancy H Bartels Trust FBO | 990 | Trustee | 0.1 | $0 | $0 | View return |
| 2021 | Choate Rosemary Hall Foundation | 990 | Trustee | 2 | $0 | $0 | View return |
| 2021 | Wellesley College | 990 | Trustee | 2 | $0 | $0 | View return |
| 2020 | Henry E & Nancy H Bartels Trust FBO | 990 | Trustee | 0.1 | $0 | $0 | View return |
| 2020 | The Susan Todd Horton Class of 1910 | 990 | Trustee | 0.1 | $0 | $0 | View return |
| 2020 | Knickerbocker Club Inc | 990 | Treasurer | 3 | $0 | $0 | View return |
| 2020 | Henry E & Nancy H Bartels Trust FBO | 990 | Trustee | 0.1 | $0 | $0 | View return |
| 2020 | Bartels Trust for Public Education In | 990 | Trustee | 0.1 | $0 | $0 | View return |
| 2020 | Choate Rosemary Hall Foundation | 990 | Trustee | 2 | $0 | $0 | View return |
| 2020 | Wellesley College | 990 | Trustee | 2 | $0 | $0 | View return |
| 2019 | Knickerbocker Club Inc | 990 | Treasurer | 3 | $0 | $0 | View return |
| 2019 | Bartels Trust for Public Education In | 990 | Trustee | 0.1 | $0 | $0 | View return |
| 2019 | Henry E and Nancy Horton Bartels Trust for the Benefit Of | 990 | Trustee | 0.1 | $0 | $0 | View return |
| 2019 | The Susan Todd Horton Class of 1910 | 990 | Trustee | 0.1 | $0 | $0 | View return |
| 2019 | Henry E & Nancy H Bartels Trust FBO | 990 | Trustee | 0.1 | $0 | $0 | View return |
| 2019 | Henry E & Nancy H Bartels Trust FBO | 990 | Trustee | 0.1 | $0 | $0 | View return |
| 2019 | Wellesley College | 990 | Trustee | 2 | $0 | $0 | View return |
| 2019 | Choate Rosemary Hall Foundation | 990 | Trustee | 2 | $0 | $0 | View return |
| 2018 | Knickerbocker Club Inc | 990 | Treasurer | 3 | $0 | $0 | View return |
| 2018 | Henry E & Nancy H Bartels Trust FBO | 990 | Trustee | 0.1 | $0 | $0 | View return |
| 2018 | Henry E and Nancy Horton Bartels Trust for the Benefit Of | 990 | Trustee | 0.1 | $0 | $0 | View return |
| 2018 | Henry E & Nancy H Bartels Trust FBO | 990 | Trustee | 0.1 | $0 | $0 | View return |
| 2018 | Bartels Trust for Public Education In | 990 | Trustee | 0.1 | $0 | $0 | View return |
| 2018 | The Susan Todd Horton Class of 1910 | 990 | Trustee | 0.1 | $0 | $0 | View return |
| 2018 | Choate Rosemary Hall Foundation | 990 | Trustee | 2 | $0 | $0 | View return |
| 2018 | Wellesley College | 990 | Trustee | 2 | $0 | $0 | View return |
| 2017 | Henry E & Nancy H Bartels Trust FBO | 990 | Trustee | 0.1 | $0 | $0 | View return |
| 2017 | Henry E & Nancy H Bartels Trust FBO | 990 | Trustee | 0.1 | $0 | $0 | View return |
| 2017 | Bartels Trust for Public Education In | 990 | Trustee | 0.1 | $0 | $0 | View return |
| 2017 | The Susan Todd Horton Class of 1910 | 990 | Trustee | 0.1 | $0 | $0 | View return |
| 2017 | Henry E and Nancy Horton Bartels Trust for the Benefit Of | 990 | Trustee | 0.1 | $0 | $0 | View return |
| 2017 | Choate Rosemary Hall Foundation | 990 | Trustee | 2 | $0 | $0 | View return |
| 2017 | Wellesley College | 990 | Trustee | 3 | $0 | $0 | View return |
| 2016 | The Susan Todd Horton Class of 1910 | 990 | Trustee | 0.1 | $0 | $0 | View return |
| 2016 | Bartels Trust for Public Education In | 990 | Trustee | 0.1 | $0 | $0 | View return |
| 2016 | Henry E & Nancy H Bartels Trust FBO | 990 | Trustee | 0.1 | $0 | $0 | View return |
| 2016 | Henry E and Nancy Horton Bartels Trust for the Benefit Of | 990 | Trustee | 0.1 | $0 | $0 | View return |
| 2016 | Henry E & Nancy H Bartels Trust FBO | 990 | Trustee | 0.1 | $0 | $0 | View return |
| 2016 | Wellesley College | 990 | Trustee | 2 | $0 | $0 | View return |
| 2016 | Choate Rosemary Hall Foundation | 990 | Trustee | 2 | $0 | $0 | View return |
| 2015 | Henry E & Nancy H Bartels Trust FBO | 990 | Trustee | 0.1 | $0 | $0 | View return |
| 2015 | Henry E and Nancy Horton Bartels Trust for the Benefit Of | 990 | Trustee | 0.1 | $0 | $0 | View return |
| 2015 | Bartels Trust for Public Education In | 990 | Trustee | 0.1 | $0 | $0 | View return |
| 2015 | Henry E & Nancy H Bartels Trust FBO | 990 | Trustee | 0.1 | $0 | $0 | View return |
| 2015 | The Susan Todd Horton Class of 1910 | 990 | Trustee | 0.1 | $0 | $0 | View return |
| 2015 | Choate Rosemary Hall Foundation | 990 | Trustee | 2 | $0 | $0 | View return |
| 2015 | Wellesley College | 990 | Trustee | 3 | $0 | $0 | View return |
| 2014 | Henry E & Nancy H Bartels Trust FBO | 990 | Trustee | 0.1 | $0 | $0 | View return |
| 2014 | The Susan Todd Horton Class of 1910 | 990 | Trustee | 0.1 | $0 | $0 | View return |
| 2014 | Henry E & Nancy H Bartels Trust FBO | 990 | Trustee | 0.1 | $0 | $0 | View return |
| 2014 | Bartels Trust for Public Education In | 990 | Trustee | 0.1 | $0 | $0 | View return |
| 2014 | Henry E and Nancy Horton Bartels Trust for the Benefit Of | 990 | Trustee | 0.1 | $0 | $0 | View return |
| 2014 | Wellesley College | 990 | Trustee | 3 | $0 | $0 | View return |
| 2013 | Henry E & Nancy H Bartels Trust FBO | 990 | Trustee | 0.1 | $0 | $0 | View return |
| 2013 | Bartels Trust for Public Education In | 990 | Trustee | 0.1 | $0 | $0 | View return |
| 2013 | Henry E and Nancy Horton Bartels Trust for the Benefit Of | 990 | Trustee | 0.1 | $0 | $0 | View return |
| 2013 | Henry E & Nancy H Bartels Trust FBO | 990 | Trustee | 0.1 | $0 | $0 | View return |
| 2013 | Wellesley College | 990 | Trustee | 2 | $0 | $0 | View return |