| 2024 | The Dedman Dietz Family Foundation | 990 | Director | 1 | $0 | $0 | View return |
| 2024 | The Dedman Foundation | 990PF | Vice President | 1 | $0 | $0 | View return |
| 2023 | The Dedman Foundation | 990 | Vice President | 1 | $0 | $0 | View return |
| 2023 | The Dedman Dietz Family Foundation | 990 | Director | 1 | $0 | $0 | View return |
| 2023 | The Robert and Nancy Dedman Foundation | 990 | VP & Director | 1 | $0 | $0 | View return |
| 2022 | The Dedman Dietz Family Foundation | 990 | Director | 1 | $0 | $0 | View return |
| 2022 | The Dedman Foundation | 990 | Vice President | 1 | $0 | $0 | View return |
| 2022 | The Robert and Nancy Dedman Foundation | 990 | VP & Director | 1 | $0 | $0 | View return |
| 2021 | The Robert and Nancy Dedman Foundation | 990 | VP & Director | 1 | $0 | $0 | View return |
| 2021 | The Dedman Dietz Family Foundation | 990 | Secretary/Director | 1 | $0 | $0 | View return |
| 2021 | The Dedman Foundation | 990 | Vice President | 1 | $0 | $0 | View return |
| 2020 | The Dedman Foundation | 990 | Vice President | 1 | $0 | $0 | View return |
| 2020 | The Dedman Dietz Family Foundation | 990 | Secretary/Director | 1 | $0 | $0 | View return |
| 2020 | The Robert and Nancy Dedman Foundation | 990 | VP & Director | 1 | $0 | $0 | View return |
| 2020 | Dallas Museum of Art | 990 | Trustee | 1 | $0 | $0 | View return |
| 2019 | The Robert and Nancy Dedman Foundation | 990 | VP & Director | 1 | $0 | $0 | View return |
| 2019 | The Dedman Foundation | 990 | Vice President | 1 | $0 | $0 | View return |
| 2019 | The Dedman Dietz Family Foundation | 990 | Secretary/Director | 1 | $0 | $0 | View return |
| 2019 | Dallas Museum of Art | 990 | Trustee | 1 | $0 | $0 | View return |
| 2018 | The Robert and Nancy Dedman Foundation | 990 | VP & Director | 0 | $0 | $0 | View return |
| 2018 | The Dedman Foundation | 990 | VP/Director | 0 | $0 | $0 | View return |
| 2018 | The Dedman Dietz Family Foundation | 990EZ | Secretary/Director | 1 | $0 | $0 | View return |
| 2018 | Dallas Museum of Art | 990 | Trustee | 1 | $0 | $0 | View return |
| 2018 | North Texas Public Broadcasting Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2018 | North Texas Public Broadcasting Foundation | 990 | Director | 1 | $0 | $0 | View return |
| 2017 | The Dedman Foundation | 990 | VP/Director | 0 | $0 | $0 | View return |
| 2017 | The Robert and Nancy Dedman Foundation | 990 | VP & Director | 0 | $0 | $0 | View return |
| 2017 | Dallas Museum of Art | 990 | Trustee | 1 | $0 | $0 | View return |
| 2017 | North Texas Public Broadcasting Foundation | 990 | Director | 1 | $0 | $0 | View return |
| 2017 | North Texas Public Broadcasting Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2016 | The Dedman Foundation | 990 | VP/Director | 0 | $0 | $0 | View return |
| 2016 | The Robert and Nancy Dedman Foundation | 990 | VP & Director | 0 | $0 | $0 | View return |
| 2016 | Dallas Museum of Art | 990 | Trustee | 1 | $0 | $0 | View return |
| 2016 | North Texas Public Broadcasting Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2016 | North Texas Public Broadcasting Foundation | 990 | Director | 1 | $0 | $0 | View return |
| 2015 | The Dedman Foundation | 990 | VP/Director | 0 | $0 | $0 | View return |
| 2015 | The Robert and Nancy Dedman Foundation | 990 | VP & Director | 0 | $0 | $0 | View return |
| 2015 | Dallas Contemporary | 990 | Director | 2 | $0 | $0 | View return |
| 2015 | North Texas Public Broadcasting Foundation | 990 | Director | 1 | $0 | $0 | View return |
| 2015 | North Texas Public Broadcasting Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2014 | Dallas Contemporary | 990 | Director | 2 | $0 | $0 | View return |
| 2014 | The Dedman Foundation | 990 | Director | 0 | $0 | $0 | View return |
| 2014 | The Robert and Nancy Dedman Foundation | 990 | VP & Director | 0 | $0 | $0 | View return |
| 2014 | North Texas Public Broadcasting Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2014 | North Texas Public Broadcasting Foundation | 990 | Director | 1 | $0 | $0 | View return |
| 2013 | The Dedman Foundation | 990 | Director | 0 | $0 | $0 | View return |
| 2013 | The Robert and Nancy Dedman Foundation | 990 | VP & Director | 0 | $0 | $0 | View return |
| 2013 | North Texas Public Broadcasting Foundation | 990 | Director | 1 | $0 | $0 | View return |
| 2013 | North Texas Public Broadcasting Inc. | 990 | Director | 1 | $0 | $0 | View return |