| 2025 | The Kennebec Land Trust | 990 | Director | 0.4 | $0 | $0 | View return |
| 2024 | Oak Grove School | 990PF | Legal Adviso | 0 | $0 | $0 | View return |
| 2024 | The Kennebec Land Trust | 990 | Director | 0.75 | $0 | $0 | View return |
| 2024 | Camp Kv for Kids C/O Mark Johnston | 990PF | Director | 1 | $0 | $0 | View return |
| 2024 | Maple Unified Student Academy Inc | 990 | Board Member | 1 | $0 | $0 | View return |
| 2023 | The Kennebec Land Trust | 990 | Director | 0.8 | $0 | $0 | View return |
| 2023 | Oak Grove School | 990PF | Legal Adviso | 0 | $0 | $0 | View return |
| 2023 | The Centre of Redemption | 990 | Board Chair | 4 | $0 | $0 | View return |
| 2023 | Maple Unified Student Academy Inc | 990 | Board Member | 1 | $0 | $0 | View return |
| 2023 | Camp Kv for Kids C/O Mark Johnston | 990PF | Director | 0 | $0 | $0 | View return |
| 2022 | The Kennebec Land Trust | 990 | Director | 1.1 | $0 | $0 | View return |
| 2022 | Maple Unified Student Academy Inc | 990 | Board Member | 1 | $0 | $0 | View return |
| 2022 | Camp Kv for Kids C/O Mark Johnston | 990PF | Director | 1 | $0 | $0 | View return |
| 2021 | Kennebec Savings Bank Foundation | 990PF | Director | 1 | $0 | $0 | View return |
| 2021 | Maple Unified Student Academy Inc | 990 | Board Member | 1 | $0 | $0 | View return |
| 2021 | Camp Kv for Kids C/O Mark Johnston | 990PF | Director | 1 | $0 | $0 | View return |
| 2020 | Camp Kv for Kids C/O Mark Johnston | 990PF | Director | 1 | $0 | $0 | View return |
| 2020 | The Kennebec Land Trust | 990 | Past Preside | 0.4 | $0 | $0 | View return |
| 2020 | Kennebec Savings Bank Foundation | 990PF | Director | 1 | $0 | $0 | View return |
| 2020 | Maple Unified Student Academy Inc | 990 | Board Member | 1 | $0 | $0 | View return |
| 2019 | The Kennebec Land Trust | 990 | Past Preside | 1 | $0 | $0 | View return |
| 2019 | Maple Unified Student Academy Inc | 990 | Secretary | 2 | $0 | $0 | View return |
| 2019 | Camp Kv for Kids C/O Mark Johnston | 990PF | Director | 1 | $0 | $0 | View return |
| 2019 | Kennebec Savings Bank Foundation | 990PF | Director | 1 | $0 | $0 | View return |
| 2018 | Maple Unified Student Academy Inc | 990 | Secretary | 2 | $0 | $0 | View return |
| 2018 | Camp Kv for Kids C/O Mark Johnston | 990PF | Director | 1 | $0 | $0 | View return |
| 2018 | The Kennebec Land Trust | 990 | President | 1.45 | $0 | $0 | View return |
| 2018 | Hubbard Brook Research Foundation Inc. | 990 | Trustee | 2 | $0 | $0 | View return |
| 2017 | Camp Kv for Kids C/O Mark Johnston | 990PF | Director | 1 | $0 | $0 | View return |
| 2017 | Kennebec Savings Bank Foundation | 990PF | Director | 1 | $0 | $0 | View return |
| 2017 | The Kennebec Land Trust | 990 | President | 2 | $0 | $0 | View return |
| 2017 | Maple Unified Student Academy Inc | 990 | Secretary | 2 | $0 | $0 | View return |
| 2016 | Maple Unified Student Academy Inc | 990 | Secretary | 2 | $0 | $0 | View return |
| 2016 | The Kennebec Land Trust | 990 | President | 2 | $0 | $0 | View return |
| 2016 | Camp Kv for Kids C/O Mark Johnston | 990PF | Director | 1 | $0 | $0 | View return |
| 2016 | Kennebec Savings Bank Foundation | 990PF | Director | 1 | $0 | $0 | View return |
| 2015 | Kennebec Savings Bank Foundation | 990PF | Director | 1 | $0 | $0 | View return |
| 2015 | Maple Unified Student Academy Inc | 990 | Secretary | 2 | $0 | $0 | View return |
| 2015 | Camp Kv for Kids C/O Mark Johnston | 990PF | Secretary | 1 | $0 | $0 | View return |
| 2015 | Benevolent & Protective Order of Elks - Camden 2156 | 990 | Chaplain | 2 | $0 | $0 | View return |
| 2014 | Camp Kv for Kids C/O Mark Johnston | 990PF | Secretary | 1 | $0 | $0 | View return |
| 2014 | The Kennebec Land Trust | 990 | Secretary | 1 | $0 | $0 | View return |
| 2014 | Maple Unified Student Academy Inc | 990 | Secretary | 2 | $0 | $0 | View return |
| 2014 | Benevolent & Protective Order of Elks - Camden 2156 | 990 | Chaplain | 2 | $0 | $0 | View return |
| 2013 | Maple Unified Student Academy Inc | 990 | Secretary | 2 | $0 | $0 | View return |
| 2013 | Camp Kv for Kids C/O Mark Johnston | 990PF | Secretary | 1 | $0 | $0 | View return |