| 2024 | Henry E and Nancy Horton Bartels Trust for the Benefit of Public | 990 | Trustee | 0.1 | $0 | $0 | View return |
| 2024 | Henry E & Nancy H Bartels Trust FBO the University of New Haven | 990 | Trustee | 0.1 | $0 | $0 | View return |
| 2024 | Henry E & Nancy H Bartels Trust FBO Cornell University | 990 | Trustee | 0.1 | $0 | $0 | View return |
| 2024 | The Friends of the Cornell Lab of Ornithology Inc | 990 | Assistant Secretary | 0.3 | $0 | $0 | View return |
| 2023 | Henry E & Nancy H Bartels Trust FBO the University of New Haven | 990 | Trustee | 0.1 | $0 | $0 | View return |
| 2023 | The Friends of the Cornell Lab of Ornithology Inc | 990 | Assistant Secretary | 0.3 | $0 | $0 | View return |
| 2023 | Henry E and Nancy Horton Bartels Trust for the Benefit of Public | 990 | Trustee | 0.1 | $0 | $0 | View return |
| 2023 | Henry E & Nancy H Bartels Trust FBO Cornell University | 990 | Trustee | 0.1 | $0 | $0 | View return |
| 2023 | University of New Haven | 990 | Board Of Governors | 1 | $0 | $0 | View return |
| 2023 | New York Alpha Education Fund Inc | 990 | President, Treasurer, & Director | 1 | $0 | $0 | View return |
| 2022 | Henry E & Nancy H Bartels Trust FBO Cornell University | 990 | Trustee | 0.1 | $0 | $0 | View return |
| 2022 | Henry E and Nancy Horton Bartels Trust for the Benefit of Public | 990 | Trustee | 0.1 | $0 | $0 | View return |
| 2022 | The Friends of the Cornell Lab of Ornithology Inc | 990 | Asst Secretary | 0.3 | $0 | $0 | View return |
| 2022 | Henry E & Nancy H Bartels Trust FBO the University of New Haven | 990 | Trustee | 0.1 | $0 | $0 | View return |
| 2022 | Cfa Society of Pittsburgh | 990EZ | Treasurer | 2.5 | $0 | $0 | View return |
| 2022 | University of New Haven | 990 | Board Of Governors | 1 | $0 | $0 | View return |
| 2021 | The Friends of the Cornell Lab of Ornithology Inc | 990 | Asst Secretary | 0.3 | $0 | $0 | View return |
| 2021 | Henry E & Nancy H Bartels Trust FBO the University of New Haven | 990 | Trustee | 0.1 | $0 | $0 | View return |
| 2021 | Cfa Society of Pittsburgh | 990EZ | Treasurer | 3 | $0 | $0 | View return |
| 2021 | Henry E and Nancy Horton Bartels Trust for the Benefit of Public | 990 | Trustee | 0.1 | $0 | $0 | View return |
| 2021 | Henry E & Nancy H Bartels Trust FBO Cornell University | 990 | Trustee | 0.1 | $0 | $0 | View return |
| 2021 | The Friends of the Cornell Lab of Ornithology Inc | 990 | Asst Secretary | 0.3 | $0 | $0 | View return |
| 2021 | University of New Haven | 990 | Board Of Governors | 1 | $0 | $0 | View return |
| 2020 | Henry E & Nancy H Bartels Trust FBO the University of New Haven | 990 | Trustee | 0.1 | $0 | $0 | View return |
| 2020 | The Friends of the Cornell Lab of Ornithology Inc | 990 | Asst Secretary | 0.3 | $0 | $0 | View return |
| 2020 | Henry E & Nancy H Bartels Trust FBO Cornell University | 990 | Trustee | 0.1 | $0 | $0 | View return |
| 2020 | Henry E and Nancy Horton Bartels Trust for the Benefit of Public | 990 | Trustee | 0.1 | $0 | $0 | View return |
| 2020 | University of New Haven | 990 | Board Of Governors | 1 | $0 | $0 | View return |
| 2019 | Henry E and Nancy Horton Bartels Trust for the Benefit of Public | 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 | Henry E & Nancy H Bartels Trust FBO Cornell University | 990 | Trustee | 0.1 | $0 | $0 | View return |
| 2019 | The Friends of the Cornell Lab of Ornithology Inc | 990 | Asst Secretary | 0.3 | $0 | $0 | View return |
| 2019 | Henry E & Nancy H Bartels Trust FBO the University of New Haven | 990 | Trustee | 0.1 | $0 | $0 | View return |
| 2019 | University of New Haven | 990 | Board Of Governors | 1 | $0 | $0 | View return |
| 2018 | Henry E & Nancy H Bartels Trust FBO the University of New Haven | 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 | The Friends of the Cornell Lab of Ornithology Inc | 990 | Asst Secretary | 0.3 | $0 | $0 | View return |
| 2018 | Henry E & Nancy H Bartels Trust FBO Cornell University | 990 | Trustee | 0.1 | $0 | $0 | View return |
| 2018 | Henry E and Nancy Horton Bartels Trust for the Benefit of Public | 990 | Trustee | 0.1 | $0 | $0 | View return |
| 2018 | University of New Haven | 990 | Board Of Governors | 1 | $0 | $0 | View return |
| 2017 | Henry E & Nancy H Bartels Trust FBO the University of New Haven | 990 | Trustee | 0.1 | $0 | $0 | View return |
| 2017 | The Friends of the Cornell Lab of Ornithology Inc | 990 | Asst Secretary | 0.3 | $0 | $0 | View return |
| 2017 | Henry E & Nancy H Bartels Trust FBO Cornell University | 990 | Trustee | 0.1 | $0 | $0 | View return |
| 2017 | Henry E and Nancy Horton Bartels Trust for the Benefit of Public | 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 | University of New Haven | 990 | Board Of Governors | 1 | $0 | $0 | View return |
| 2016 | Henry E and Nancy Horton Bartels Trust for the Benefit of Public | 990 | Trustee | 0.1 | $0 | $0 | View return |
| 2016 | Henry E & Nancy H Bartels Trust FBO the University of New Haven | 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 Cornell University | 990 | Trustee | 0.1 | $0 | $0 | View return |
| 2016 | University of New Haven | 990 | Chairman | 2 | $0 | $0 | View return |
| 2015 | Henry E & Nancy H Bartels Trust FBO the University of New Haven | 990 | Trustee | 0.1 | $0 | $0 | View return |
| 2015 | New York Alpha Education Fund Inc | 990EZ | President & Treasurer | 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 | Henry E and Nancy Horton Bartels Trust for the Benefit of Public | 990 | Trustee | 0.1 | $0 | $0 | View return |
| 2015 | Henry E & Nancy H Bartels Trust FBO Cornell University | 990 | Trustee | 0.1 | $0 | $0 | View return |
| 2015 | University of New Haven | 990 | Chairman | 2 | $0 | $0 | View return |
| 2014 | Henry E & Nancy H Bartels Trust FBO Cornell University | 990 | Trustee | 0.1 | $0 | $0 | View return |
| 2014 | Henry E & Nancy H Bartels Trust FBO the University of New Haven | 990 | Trustee | 0.1 | $0 | $0 | View return |
| 2014 | Henry E and Nancy Horton Bartels Trust for the Benefit of Public | 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 | University of New Haven | 990 | Chairman Of The Board | 2 | $0 | $0 | View return |
| 2013 | Henry E & Nancy H Bartels Trust FBO the University of New Haven | 990 | Trustee | 0.1 | $0 | $0 | View return |
| 2013 | Henry E and Nancy Horton Bartels Trust for the Benefit of Public | 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 Cornell University | 990 | Trustee | 0.1 | $0 | $0 | View return |
| 2013 | University of New Haven | 990 | Chairman Of The Board | 2 | $0 | $0 | View return |