| 2024 | Daddario Foundation Inc. | 990EZ | President | 2.5 | $0 | $0 | View return |
| 2024 | D Addario Foundation Inc. | 990PF | President | 5 | $0 | $0 | View return |
| 2024 | John and Joan Daddario Foundation Inc. | 990PF | President | 2 | $0 | $0 | View return |
| 2023 | Musical Instrument Museum | 990PF | Director | 1 | $0 | $0 | View return |
| 2023 | John and Joan Daddario Foundation Inc. | 990PF | President | 2 | $0 | $0 | View return |
| 2023 | D Addario Foundation Inc. | 990PF | Director | 5 | $0 | $0 | View return |
| 2023 | D Addario Foundation Inc. | 990PF | Director | 5 | $0 | $0 | View return |
| 2022 | John and Joan Daddario Foundation Inc. | 990PF | President | 2 | $0 | $0 | View return |
| 2022 | D Addario Foundation Inc. | 990PF | Director | 5 | $0 | $0 | View return |
| 2022 | Musical Instrument Museum | 990PF | Director | 1 | $0 | $0 | View return |
| 2021 | D Addario Foundation Inc. | 990PF | Director | 5 | $0 | $0 | View return |
| 2021 | Musical Instrument Museum | 990PF | Director | 1 | $0 | $0 | View return |
| 2021 | John and Joan Daddario Foundation Inc. | 990PF | President | 2 | $0 | $0 | View return |
| 2020 | John and Joan Daddario Foundation Inc. | 990PF | President | 2 | $0 | $0 | View return |
| 2020 | Musical Instrument Museum | 990PF | Director | 1 | $0 | $0 | View return |
| 2020 | D Addario Foundation Inc. | 990PF | Director | 5 | $0 | $0 | View return |
| 2019 | D Addario Foundation Inc. | 990PF | Director | 5 | $0 | $0 | View return |
| 2019 | John and Joan Daddario Foundation Inc. | 990PF | President | 1 | $0 | $0 | View return |
| 2018 | Musical Instrument Museum | 990PF | Director | 1 | $0 | $0 | View return |
| 2018 | D Addario Foundation Inc. | 990PF | Director | 5 | $0 | $0 | View return |
| 2018 | John and Joan Daddario Foundation Inc. | 990PF | President | 1 | $0 | $0 | View return |
| 2017 | D Addario Foundation Inc. | 990PF | Director | 5 | $0 | $0 | View return |
| 2017 | John and Joan Daddario Foundation Inc. | 990PF | President | 1 | $0 | $0 | View return |
| 2016 | Musical Instrument Museum | 990PF | Board Member | 1 | $0 | $0 | View return |
| 2016 | John and Joan Daddario Foundation Inc. | 990PF | President | 1 | $0 | $0 | View return |
| 2015 | Musical Instrument Museum | 990PF | Board Member | 1 | $0 | $0 | View return |
| 2015 | John and Joan Daddario Foundation Inc. | 990PF | President | 1 | $0 | $0 | View return |
| 2015 | D Addario Foundation Inc. | 990PF | Director | 4 | $0 | $0 | View return |
| 2014 | J Daddario & Co Inc Voluntary Employees Beneficiary Association | 990 | Trustee | 3 | $0 | $0 | View return |
| 2014 | Guitar and Accessories Marketing Association Inc | 990 | Past President | 1 | $0 | $0 | View return |
| 2014 | D Addario Foundation Inc. | 990PF | Director | 5 | $0 | $0 | View return |
| 2014 | Musical Instrument Museum | 990PF | Board Member | 1 | $0 | $0 | View return |
| 2013 | J Daddario & Co Inc Voluntary Employees Beneficiary Association | 990 | Trustee | 3 | $0 | $0 | View return |
| 2013 | D Addario Foundation Inc. | 990PF | Director | 5 | $0 | $0 | View return |
| 2012 | D Addario Foundation Inc. | 990PF | Director | 3 | $0 | $0 | View return |
| 2011 | D Addario Foundation Inc. | 990PF | Director | 3 | $0 | $0 | View return |