| 2025 | Northeast Harbor Ambulance Service Inc. | 990EZ | Director | 0.2 | $0 | $0 | View return |
| 2024 | Colket Family Foundation | 990PF | Trustee | 2 | $16,826 | $0 | View return |
| 2024 | Northeast Harbor Ambulance Service Inc. | 990EZ | Director | 0.2 | $0 | $0 | View return |
| 2024 | Stroud Water Research Center Inc. | 990 | Director | 2 | $0 | $0 | View return |
| 2024 | Willistown Conservation Trust Inc. | 990 | Trustee | 5 | $0 | $0 | View return |
| 2023 | Colket Family Foundation | 990PF | Trustee | 2 | $12,565 | $0 | View return |
| 2023 | Willistown Conservation Trust Inc. | 990 | Trustee | 5 | $0 | $0 | View return |
| 2023 | Stroud Water Research Center Inc. | 990 | Director | 2 | $0 | $0 | View return |
| 2022 | Colket Family Foundation | 990PF | Trustee | 2 | $3,995 | $0 | View return |
| 2022 | Willistown Conservation Trust Inc. | 990 | Vice Chair | 5 | $0 | $0 | View return |
| 2022 | Stroud Water Research Center Inc. | 990 | Director | 2 | $0 | $0 | View return |
| 2022 | Northeast Harbor Ambulance Service Inc. | 990 | Director | 0.25 | $0 | $0 | View return |
| 2021 | Colket Family Foundation | 990PF | Trustee | 2 | $1,491 | $0 | View return |
| 2021 | Northeast Harbor Ambulance Service Inc. | 990 | Director | 0.25 | $0 | $0 | View return |
| 2021 | Willistown Conservation Trust Inc. | 990 | Vice Chair | 5 | $0 | $0 | View return |
| 2021 | Stroud Water Research Center Inc. | 990 | Director | 2 | $0 | $0 | View return |
| 2021 | Ethel D Colket Foundation Co Pnc Bank Na | 990PF | Co-Trustee | 1 | $0 | $0 | View return |
| 2020 | Colket Family Foundation | 990PF | Trustee | 2 | $133 | $0 | View return |
| 2020 | Northeast Harbor Ambulance Service Inc. | 990 | Director | 0.25 | $0 | $0 | View return |
| 2020 | Willistown Conservation Trust Inc. | 990 | Vice Chair | 5 | $0 | $0 | View return |
| 2020 | Stroud Water Research Center Inc. | 990 | Director | 2 | $0 | $0 | View return |
| 2020 | Ethel D Colket Foundation Co Pnc Bank Na | 990PF | Co-Trustee | 1 | $0 | $0 | View return |
| 2019 | Northeast Harbor Ambulance Service Inc. | 990 | Director | 0.25 | $0 | $0 | View return |
| 2019 | Willistown Conservation Trust Inc. | 990 | Vice Chair | 5 | $0 | $0 | View return |
| 2019 | Stroud Water Research Center Inc. | 990 | Director | 2 | $0 | $0 | View return |
| 2019 | Ethel D Colket Foundation Co Pnc Bank Na | 990PF | Co-Trustee | 1 | $0 | $0 | View return |
| 2018 | Willistown Conservation Trust Inc. | 990 | Assistant Secretary | 5 | $0 | $0 | View return |
| 2018 | Stroud Water Research Center Inc. | 990 | Director | 2 | $0 | $0 | View return |
| 2018 | Ethel D Colket Foundation Co Pnc Bank Na | 990PF | Co-Trustee | 1 | $0 | $0 | View return |
| 2017 | Willistown Conservation Trust Inc. | 990 | Assistant Secretary | 5 | $0 | $0 | View return |
| 2017 | Ethel D Colket Foundation Co Pnc Bank Na | 990PF | Co-Trustee | 1 | $0 | - | View return |
| 2016 | Willistown Conservation Trust Inc. | 990 | Assistant Secretary | 5 | $0 | $0 | View return |
| 2016 | Ethel D Colket Foundation Co Pnc Bank Na | 990PF | Co-Trustee | 1 | $0 | - | View return |
| 2015 | Willistown Conservation Trust Inc. | 990 | Trustee | 5 | $0 | $0 | View return |
| 2015 | Ethel D Colket Foundation Co Pnc Bank Na | 990PF | Co-Trustee | 1 | $0 | - | View return |
| 2014 | Willistown Conservation Trust Inc. | 990 | Trustee | 5 | $0 | $0 | View return |
| 2014 | Ethel D Colket Foundation Co Pnc Bank Na | 990PF | Co-Trustee | 1 | $0 | - | View return |
| 2013 | Willistown Conservation Trust Inc. | 990 | Trustee | 5 | $0 | $0 | View return |
| 2013 | Ethel D Colket Foundation Co Pnc Bank Na | 990PF | Co-Trustee | 1 | $0 | $0 | View return |
| 2012 | Ethel D Colket Foundation Co Pnc Bank Na | 990PF | Co-Trustee | 1 | $0 | $0 | View return |
| 2010 | Ethel D Colket Foundation Co Pnc Bank Na | 990PF | Co-Trustee | 1 | $0 | $0 | View return |