| 2024 | Charter Oak Challenge Foundation Inc. | 990 | Secretary | 20 | $0 | $0 | View return |
| 2024 | The Carl Marks Foundation Inc | 990PF | Assistant Treas, Director | 1 | $0 | $0 | View return |
| 2024 | The Carl Marks Foundation Inc | 990PF | Treas, Director | 1 | $0 | $0 | View return |
| 2023 | Charter Oak Challenge Foundation Inc. | 990EZ | Secretary | 20 | $0 | $0 | View return |
| 2023 | The Carl Marks Foundation Inc | 990PF | Assistant Treas, Director | 1 | $0 | $0 | View return |
| 2023 | The Carl Marks Foundation Inc | 990PF | Treas, Director | 1 | $0 | $0 | View return |
| 2022 | Charter Oak Challenge Foundation Inc. | 990EZ | Secretary | 20 | $0 | $0 | View return |
| 2022 | The Carl Marks Foundation Inc | 990PF | Assistant Treas, Director | 1 | $0 | $0 | View return |
| 2022 | The Carl Marks Foundation Inc | 990PF | Treas, Director | 1 | $0 | $0 | View return |
| 2021 | Charter Oak Challenge Foundation Inc. | 990EZ | Secretary | 20 | $0 | $0 | View return |
| 2021 | The Carl Marks Foundation Inc | 990PF | Assistant Treas, Director | 1 | $0 | $0 | View return |
| 2021 | The Carl Marks Foundation Inc | 990PF | Treas, Director | 1 | $0 | $0 | View return |
| 2020 | Charter Oak Challenge Foundation Inc. | 990EZ | Secretary | 20 | $0 | - | View return |
| 2020 | The Carl Marks Foundation Inc | 990PF | Assistant Treas, Director | 1 | $0 | $0 | View return |
| 2020 | The Carl Marks Foundation Inc | 990PF | Treas, Director | 1 | $0 | $0 | View return |
| 2019 | Charter Oak Challenge Foundation Inc. | 990 | Secretary | 20 | $0 | $0 | View return |
| 2019 | The Carl Marks Foundation Inc | 990PF | Assistant Treas, Director | 1 | $0 | $0 | View return |
| 2019 | The Carl Marks Foundation Inc | 990PF | Treas, Director | 1 | $0 | $0 | View return |
| 2018 | Charter Oak Challenge Foundation Inc. | 990 | Secretary | 20 | $0 | $0 | View return |
| 2018 | The Carl Marks Foundation Inc | 990PF | Assistant Treas, Director | 1 | $0 | $0 | View return |
| 2018 | The Carl Marks Foundation Inc | 990PF | Treas, Director | 1 | $0 | $0 | View return |
| 2017 | Charter Oak Challenge Foundation Inc. | 990 | Secretary | 20 | $0 | $0 | View return |
| 2017 | The Carl Marks Foundation Inc | 990PF | Assistant Treas, Director | 1 | $0 | $0 | View return |
| 2017 | The Carl Marks Foundation Inc | 990PF | Treas, Director | 1 | $0 | $0 | View return |
| 2017 | The Carl Marks Foundation Inc | 990PF | Assistant Treas, Director | 1 | $0 | $0 | View return |
| 2017 | The Carl Marks Foundation Inc | 990PF | Treas, Director | 1 | $0 | $0 | View return |
| 2016 | Charter Oak Challenge Foundation Inc. | 990 | Secretary | 20 | $0 | $0 | View return |
| 2016 | The Carl Marks Foundation Inc | 990PF | Director / Asst Treas | 1 | $0 | $0 | View return |
| 2016 | The Carl Marks Foundation Inc | 990PF | Director / Treas | 1 | $0 | $0 | View return |
| 2015 | Charter Oak Challenge Foundation Inc. | 990 | Secretary | 20 | $0 | $0 | View return |
| 2015 | The Carl Marks Foundation Inc | 990PF | Director / Asst Treas | 1 | $0 | $0 | View return |
| 2015 | The Carl Marks Foundation Inc | 990PF | Director / Treas | 1 | $0 | $0 | View return |
| 2014 | Charter Oak Challenge Foundation Inc. | 990 | Secretary | 20 | $0 | $0 | View return |
| 2014 | The Carl Marks Foundation Inc | 990PF | Director / Sec* / Assistant Treas | 1 | $0 | - | View return |
| 2014 | The Carl Marks Foundation Inc | 990PF | Director / Treas | 1 | $0 | - | View return |
| 2013 | Charter Oak Challenge Foundation Inc. | 990 | Secretary | 10 | $0 | $0 | View return |
| 2013 | The Carl Marks Foundation Inc | 990PF | Sec / Assistant Treas / Director | 1 | $0 | - | View return |
| 2013 | The Carl Marks Foundation Inc | 990PF | Treas / Director | 1 | $0 | - | View return |
| 2012 | The Carl Marks Foundation Inc | 990PF | Sec / Asst Treas | 1 | $0 | - | View return |
| 2012 | The Carl Marks Foundation Inc | 990PF | Treas | 1 | $0 | - | View return |