| 2024 | The Walden Woods Project | 990 | Director | 1 | $0 | $0 | View return |
| 2023 | The Walden Woods Project | 990 | Board Member | 1 | $0 | $0 | View return |
| 2023 | Concord Antiquarian Society D/B/A Concord Museum | 990 | Vice President | 2 | $0 | $0 | View return |
| 2023 | Louisa May Alcott'S Orchard House Inc | 990 | Clerk | 1 | $0 | $0 | View return |
| 2022 | The Walden Woods Project | 990 | Board Member | 1 | $0 | $0 | View return |
| 2022 | Concord Antiquarian Society D/B/A Concord Museum | 990 | Vice President | 2 | $0 | $0 | View return |
| 2022 | Concord Antiquarian Society D/B/A Concord Museum | 990 | Vice President | 2 | $0 | $0 | View return |
| 2022 | Louisa May Alcott'S Orchard House Inc | 990 | Clerk | 1 | $0 | $0 | View return |
| 2021 | Louisa May Alcott'S Orchard House Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2021 | The Walden Woods Project | 990 | Board Member | 1 | $0 | $0 | View return |
| 2021 | Concord Antiquarian Society D/B/A Concord Museum | 990 | Vice President | 2 | $0 | $0 | View return |
| 2020 | The Walden Woods Project | 990 | Board Member | 1 | $0 | $0 | View return |
| 2020 | Louisa May Alcott'S Orchard House Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2020 | Emerson Health Care Foundation Inc. | 990 | Director | 4 | $0 | $0 | View return |
| 2020 | Concord Antiquarian Society D/B/A Concord Museum | 990 | Vice President | 2 | $0 | $0 | View return |
| 2019 | The Walden Woods Project | 990 | Board Member | 1 | $0 | $0 | View return |
| 2019 | Louisa May Alcott'S Orchard House Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2019 | Concord Antiquarian Society D/B/A Concord Museum | 990 | Governor | 1 | $0 | $0 | View return |
| 2019 | Emerson Health Care Foundation Inc. | 990 | Director | 4 | $0 | $0 | View return |
| 2018 | Louisa May Alcott'S Orchard House Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2018 | The Walden Woods Project | 990 | Board Member | 1 | $0 | $0 | View return |
| 2018 | Louisa May Alcott'S Orchard House Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2018 | Concord Antiquarian Society D/B/A Concord Museum | 990 | Governor | 1 | $0 | $0 | View return |
| 2018 | Emerson Health Care Foundation Inc. | 990 | Director | 4 | $0 | $0 | View return |
| 2017 | The Walden Woods Project | 990 | Board Member | 1 | $0 | $0 | View return |
| 2017 | Louisa May Alcott'S Orchard House Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2017 | Emerson Health Care Foundation Inc. | 990 | Director | 4 | $0 | $0 | View return |
| 2017 | Concord Antiquarian Society D/B/A Concord Museum | 990 | Governor | 1 | $0 | $0 | View return |
| 2016 | The Walden Woods Project | 990 | Board Member | 1 | $0 | $0 | View return |
| 2016 | Louisa May Alcott'S Orchard House Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2016 | Concord Antiquarian Society D/B/A Concord Museum | 990 | Governor | 1 | $0 | $0 | View return |
| 2016 | Emerson Health Care Foundation Inc. | 990 | Director | 4 | $0 | $0 | View return |
| 2015 | The Walden Woods Project | 990 | Board Member | 1 | $0 | $0 | View return |
| 2015 | Louisa May Alcott'S Orchard House Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2015 | Emerson Health Care Foundation Inc. | 990 | Director | 4 | $0 | $0 | View return |
| 2015 | Concord Antiquarian Society D/B/A Concord Museum | 990 | Governor | 1 | $0 | $0 | View return |
| 2014 | The Walden Woods Project | 990 | Board Member | 1 | $0 | $0 | View return |
| 2014 | Louisa May Alcott'S Orchard House Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2014 | Emerson Health Care Foundation Inc. | 990 | Director | 4 | $0 | $0 | View return |
| 2014 | Concord Antiquarian Society D/B/A Concord Museum | 990 | Governor | 1 | $0 | $0 | View return |
| 2013 | Louisa May Alcott'S Orchard House Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2013 | The Walden Woods Project | 990 | Board Member | 1 | $0 | $0 | View return |
| 2013 | Emerson Health Care Foundation Inc. | 990 | Director | 4 | $0 | $0 | View return |