| 2024 | National Association of Broadcasters | 990 | Board Chairman | 2 | $0 | $0 | View return |
| 2024 | Nexstar Charitable Foundation | 990PF | Chairman And CEO | 1 | $0 | - | View return |
| 2024 | Sook Family Foundation | 990PF | President | 0 | $0 | $0 | View return |
| 2024 | Broadcasters Foundation of America | 990 | Director | 1 | $0 | $0 | View return |
| 2023 | National Association of Broadcasters | 990 | Board Member | 2 | $0 | $0 | View return |
| 2023 | Sook Family Foundation | 990PF | President | 1 | $0 | $0 | View return |
| 2023 | Broadcasters Foundation of America | 990 | Director | 1 | $0 | $0 | View return |
| 2023 | Nexstar Charitable Foundation | 990PF | Chairman And CEO | 1 | $0 | - | View return |
| 2022 | Nexstar Charitable Foundation | 990PF | Chairman And CEO | 1 | $0 | - | View return |
| 2022 | Television Operators Caucus Inc Co Wiley Rein LLP | 990 | Director | 5 | $0 | $0 | View return |
| 2022 | National Association of Broadcasters | 990 | Board Member | 2 | $0 | $0 | View return |
| 2022 | Sook Family Foundation | 990PF | President | 0 | $0 | $0 | View return |
| 2022 | Broadcasters Foundation of America | 990 | Director | 1 | $0 | $0 | View return |
| 2021 | Cbs Television Network Affiliates Association | 990 | Director | 1 | $0 | $0 | View return |
| 2021 | Sook Family Foundation | 990PF | President | 1 | $0 | $0 | View return |
| 2021 | National Association of Broadcasters | 990 | Board Member | 2 | $0 | $0 | View return |
| 2021 | Broadcasters Foundation of America | 990 | Director | 1 | $0 | $0 | View return |
| 2021 | Nexstar Charitable Foundation | 990PF | Chairman And CEO | 1 | $0 | - | View return |
| 2021 | Television Operators Caucus Inc Co Wiley Rein LLP | 990EZ | Director | 5 | $0 | $0 | View return |
| 2020 | Television Bureau of Advertising Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2020 | Nexstar Charitable Foundation | 990PF | Chairman And CEO | 1 | $0 | - | View return |
| 2020 | Broadcasters Foundation of America | 990 | Director | 1 | $0 | $0 | View return |
| 2020 | Cbs Television Network Affiliates Association | 990 | Past Chair | 1 | $0 | $0 | View return |
| 2020 | National Association of Broadcasters | 990 | Board Member | 2 | $0 | $0 | View return |
| 2020 | Sook Family Foundation | 990PF | President | 1 | $0 | $0 | View return |
| 2019 | Cbs Television Network Affiliates Association | 990 | Chairman | 1 | $0 | $0 | View return |
| 2019 | Television Bureau of Advertising Inc | 990 | Chairman | 1 | $0 | $0 | View return |
| 2019 | Broadcasters Foundation of America | 990 | Director | 1 | $0 | $0 | View return |
| 2019 | National Association of Broadcasters | 990 | Board Member | 2 | $0 | $0 | View return |
| 2018 | Broadcasters Foundation of America | 990 | Director | 1 | $0 | $0 | View return |
| 2018 | Television Bureau of Advertising Inc | 990 | Chairman | 1 | $0 | $0 | View return |
| 2018 | National Association of Broadcasters | 990 | Board Member | 2 | $0 | $0 | View return |
| 2018 | Cbs Television Network Affiliates Association | 990 | Chairman, President, CEO | 1 | $0 | $0 | View return |
| 2017 | Broadcasters Foundation of America | 990 | Director | 1 | $0 | $0 | View return |
| 2017 | Cbs Television Network Affiliates Association | 990 | Director | 1 | $0 | $0 | View return |
| 2017 | National Association of Broadcasters | 990 | Board Member | 2 | $0 | $0 | View return |
| 2017 | Television Bureau of Advertising Inc | 990 | Chairman | 1 | $0 | $0 | View return |
| 2016 | Cbs Television Network Affiliates Association | 990 | Director | 1 | $0 | $0 | View return |
| 2016 | National Association of Broadcasters | 990 | Board Member | 2 | $0 | $0 | View return |
| 2016 | Broadcasters Foundation of America | 990 | Director As Of 7/1/16 | 1 | $0 | $0 | View return |
| 2016 | Television Bureau of Advertising Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2015 | National Association of Broadcasters | 990 | Board Member | 2 | $0 | $0 | View return |
| 2015 | Television Bureau of Advertising Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2015 | Nbc Television Affiliates | 990 | Board Member | 1 | $0 | $0 | View return |
| 2014 | National Association of Broadcasters | 990 | Board Member | 2 | $0 | $0 | View return |
| 2014 | Television Bureau of Advertising Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2014 | Nbc Television Affiliates | 990 | Board Member | 1 | - | - | View return |
| 2013 | National Association of Broadcasters | 990 | Board Member | 2 | $0 | $0 | View return |
| 2013 | Television Bureau of Advertising Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2013 | The Ohio University Foundation | 990 | Vice Chair | 4 | $0 | $0 | View return |
| 2013 | Nbc Television Affiliates | 990 | Board Member | 1 | $0 | $0 | View return |