| 2025 | The Marta and Robert Adelson Family Foundation | 990PF | President, Treasurer, Director | 1 | $0 | $0 | View return |
| 2024 | The Marta and Robert Adelson Family Foundation | 990PF | President, Treasurer, Director | 1 | $0 | $0 | View return |
| 2023 | The Marta and Robert Adelson Family Foundation | 990PF | President, Treasurer, Director | 1 | $0 | $0 | View return |
| 2023 | Back Bay Publishing Company Inc. | 990EZ | Director | 10 | $0 | $0 | View return |
| 2022 | The Marta and Robert Adelson Family Foundation | 990PF | President, Treasurer, Director | 1 | $0 | $0 | View return |
| 2021 | The Marta and Robert Adelson Family Foundation | 990PF | President, Treasurer, Director | 1 | $0 | $0 | View return |
| 2020 | American Musical Instrument Society Inc. | 990EZ | Board Member | 1 | $0 | $0 | View return |
| 2020 | The Marta and Robert Adelson Family Foundation | 990PF | President, Treasurer, Director | 1 | $0 | $0 | View return |
| 2019 | The Marta and Robert Adelson Family Foundation | 990PF | President, Treasurer, Dire | 1 | $0 | $0 | View return |
| 2019 | American Musical Instrument Society Inc. | 990EZ | Board Member | 1 | $0 | $0 | View return |
| 2019 | Free Library of Philadelphia Foundation | 990 | Bod Member | 1 | $0 | $0 | View return |
| 2018 | The Marta and Robert Adelson Family Foundation | 990PF | President, Treasurer, Dire | 1 | $0 | $0 | View return |
| 2018 | The Marta and Robert Adelson Family Foundation | 990PF | President, Treasurer, Dire | 1 | $0 | $0 | View return |
| 2018 | American Musical Instrument Society Inc. | 990EZ | Board Member | 1 | $0 | $0 | View return |
| 2018 | Free Library of Philadelphia Foundation | 990 | Bod Member | 1 | $0 | $0 | View return |
| 2018 | American Musical Instrument Society Inc. | 990EZ | Board Member | 1 | $0 | $0 | View return |
| 2018 | The Marta and Robert Adelson Family Foundation | 990PF | President, Treasurer, Dire | 1 | $0 | $0 | View return |
| 2017 | Free Library of Philadelphia Foundation | 990 | Bod Member | 1 | $0 | $0 | View return |
| 2016 | Free Library of Philadelphia Foundation | 990 | Bod Member | 1 | $0 | $0 | View return |
| 2015 | Free Library of Philadelphia Foundation | 990 | Bod Member | 1 | $0 | $0 | View return |
| 2014 | Free Library of Philadelphia Foundation | 990 | Bod Member | 1 | $0 | $0 | View return |
| 2013 | Oklahoma Innovation Institute Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2013 | Free Library of Philadelphia Foundation | 990 | Bod Member | 1 | $0 | $0 | View return |
