| 2024 | Athol Memorial Hospital Nmtc Holdings Inc. | 990 | Trustee | 0.2 | $0 | $0 | View return |
| 2023 | Athol Memorial Hospital Nmtc Holdings Inc. | 990 | Trustee | 0.2 | $0 | $0 | View return |
| 2023 | Athol Memorial Hospital Incorporated | 990 | Trustee | 0.2 | $0 | $0 | View return |
| 2023 | Heywood Realty Corporation | 990 | Trustee | 0.2 | $0 | $0 | View return |
| 2023 | Henry Heywood Memorial Hospital | 990 | Trustee | 0.2 | $0 | $0 | View return |
| 2022 | Heywood Healthcare Inc. | 990 | Trustee | 0.2 | $0 | $0 | View return |
| 2022 | Heywood Realty Corporation | 990 | Trustee | 0.2 | $0 | $0 | View return |
| 2022 | Henry Heywood Memorial Hospital | 990 | Trustee | 0.2 | $0 | $0 | View return |
| 2022 | Athol Memorial Hospital Incorporated | 990 | Trustee | 0.2 | $0 | $0 | View return |
| 2022 | Quabbin Healthcare Inc. | 990 | Trustee | 0.2 | $0 | $0 | View return |
| 2021 | Athol Memorial Hospital Nmtc Holdings Inc. | 990 | Trustee | 0.2 | $0 | $0 | View return |
| 2020 | Athol Memorial Hospital Nmtc Holdings Inc. | 990 | Trustee | 0.2 | $0 | $0 | View return |
| 2020 | Quabbin Healthcare Inc. | 990 | Trustee | 0.2 | $0 | $0 | View return |
| 2020 | Athol Memorial Hospital Incorporated | 990 | Trustee | 0.2 | $0 | $0 | View return |
| 2020 | Heywood Realty Corporation | 990 | Trustee | 0.2 | $0 | $0 | View return |
| 2020 | Heywood Healthcare Inc. | 990 | Trustee | 0.2 | $0 | $0 | View return |
| 2020 | Henry Heywood Memorial Hospital | 990 | Trustee | 0.2 | $0 | $0 | View return |
| 2019 | Heywood Realty Corporation | 990 | Trustee | 0.2 | $0 | $0 | View return |
| 2019 | Henry Heywood Memorial Hospital | 990 | Trustee | 0.2 | $0 | $0 | View return |
| 2019 | Heywood Healthcare Inc. | 990 | Trustee | 0 | $0 | $0 | View return |
| 2019 | Athol Memorial Hospital Incorporated | 990 | Trustee | 0.2 | $0 | $0 | View return |
| 2019 | Quabbin Healthcare Inc. | 990 | Trustee | 0.2 | $0 | $0 | View return |
| 2019 | Quabbincare Inc | 990EZ | Trustee | 0.2 | $0 | $0 | View return |
| 2018 | Henry Heywood Memorial Hospital | 990 | Trustee | 0 | $0 | $0 | View return |
| 2018 | Athol Memorial Hospital Incorporated | 990 | Trustee | 0.2 | $0 | $0 | View return |
| 2017 | Mount Grace Land Conservation Trust Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2017 | Athol Memorial Hospital Incorporated | 990 | Trustee | 0.2 | $0 | $0 | View return |
| 2017 | Heywood Medical Group Inc. | 990 | Trustee | 0.2 | $0 | $0 | View return |
| 2017 | Henry Heywood Memorial Hospital | 990 | Trustee | 0.2 | $0 | $0 | View return |
| 2016 | Mount Grace Land Conservation Trust Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2016 | Athol Memorial Hospital Incorporated | 990 | Trustee | 0.2 | $0 | $0 | View return |
| 2016 | Heywood Medical Group Inc. | 990 | Trustee | 0.2 | $0 | $0 | View return |
| 2016 | Henry Heywood Memorial Hospital | 990 | Trustee | 0.2 | $0 | $0 | View return |
| 2015 | Athol Memorial Hospital Incorporated | 990 | Trustee | 0.2 | $0 | $0 | View return |
| 2015 | Heywood Medical Group Inc. | 990 | Trustee | 0.2 | $0 | $0 | View return |
| 2015 | Henry Heywood Memorial Hospital | 990 | Trustee | 0.2 | $0 | $0 | View return |
| 2015 | Mount Grace Land Conservation Trust Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2014 | Athol Memorial Hospital Incorporated | 990 | Director | 0.2 | $0 | $0 | View return |
| 2014 | Mount Grace Land Conservation Trust Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2014 | Heywood Medical Group Inc. | 990 | Trustee | 0.2 | $0 | $0 | View return |
| 2014 | Henry Heywood Memorial Hospital | 990 | Trustee | 0.2 | $0 | $0 | View return |