| 2025 | Philadelphia Metro Wildlife Center Inc. | 990 | President | 24 | $26,000 | $0 | View return |
| 2025 | The Stuart and Carolyn Gruber Family Foundation Inc C/O Wall & William | 990PF | Secretary/Director | 0.25 | $0 | $0 | View return |
| 2024 | Philadelphia Metro Wildlife Center Inc. | 990 | President | 24 | $28,000 | $0 | View return |
| 2024 | The Stuart and Carolyn Gruber Family Foundation Inc C/O Wall & William | 990PF | Secretary/Director | 0.25 | $0 | $0 | View return |
| 2024 | The Amgen Foundation Inc. | 990PF | Tax | 1 | $0 | $0 | View return |
| 2024 | Amgen Safety Net Foundation | 990PF | Director | 1 | $0 | $0 | View return |
| 2023 | Philadelphia Metro Wildlife Center Inc. | 990 | President | 24 | $23,312 | $0 | View return |
| 2023 | The Amgen Foundation Inc. | 990PF | Tax | 1 | $0 | - | View return |
| 2023 | Amgen Safety Net Foundation | 990PF | Director | 1 | $0 | $0 | View return |
| 2023 | The Stuart and Carolyn Gruber Family Foundation Inc C/O Wall & William | 990PF | Secretary/Director | 0.25 | $0 | $0 | View return |
| 2023 | Joliet Community Center Inc. | 990 | Treasurer | 5 | $0 | $0 | View return |
| 2022 | Philadelphia Metro Wildlife Center Inc. | 990 | President | 24 | $18,720 | $0 | View return |
| 2022 | National Rural Letter Carriers' Association | 990 | Past President | 5 | $17,413 | $0 | View return |
| 2022 | The Stuart and Carolyn Gruber Family Foundation Inc C/O Wall & William | 990PF | Secretary/Director | 0.25 | $0 | $0 | View return |
| 2021 | Philadelphia Metro Wildlife Center Inc. | 990 | President | 24 | $18,538 | $0 | View return |
| 2021 | The Stuart and Carolyn Gruber Family Foundation Inc C/O Wall & William | 990PF | Secretary/Director | 0.25 | $0 | $0 | View return |
| 2020 | The Stuart and Carolyn Gruber Family Foundation Inc C/O Wall & William | 990PF | Secretary/Director | 0.25 | $0 | $0 | View return |
| 2019 | The Stuart and Carolyn Gruber Family Foundation Inc C/O Wall & William | 990PF | Secretary/Director | 0.25 | $0 | $0 | View return |
| 2018 | The Stuart and Carolyn Gruber Family Foundation Inc C/O Wall & William | 990PF | Secretary/Director | 0.25 | $0 | $0 | View return |
| 2018 | One Purpose School Inc | 990 | Board Member | 5 | $0 | $0 | View return |
| 2017 | The Stuart and Carolyn Gruber Family Foundation Inc C/O Wall & William | 990PF | Secretary/Director | 0.25 | $0 | $0 | View return |
| 2017 | One Purpose School Inc | 990 | Board Member | 5 | $0 | $0 | View return |
| 2016 | The Stuart and Carolyn Gruber Family Foundation Inc C/O Wall & William | 990PF | Secretary/Director | 0.25 | $0 | $0 | View return |
| 2016 | One Purpose School Inc | 990 | Board Member | 5 | $0 | $0 | View return |
| 2015 | Steele High School Band Boosters | 990 | President | - | $0 | $0 | View return |
| 2015 | The Stuart and Carolyn Gruber Family Foundation Inc C/O Wall & William | 990PF | Secretary/Director | 0.25 | $0 | $0 | View return |
| 2014 | Steele High School Band Boosters | 990 | President | 5 | $0 | $0 | View return |
| 2014 | The Stuart and Carolyn Gruber Family Foundation Inc C/O Wall & William | 990PF | Secretary/Director | 0.25 | $0 | $0 | View return |
| 2013 | The Stuart and Carolyn Gruber Family Foundation Inc C/O Wall & William | 990PF | Secretary/Director | 0.25 | $0 | $0 | View return |
| 2012 | The Stuart and Carolyn Gruber Family Foundation Inc C/O Wall & William | 990PF | Secretary/Director | 0.25 | $0 | $0 | View return |
| 2011 | The Stuart and Carolyn Gruber Family Foundation Inc C/O Wall & William | 990PF | Secretary/Director | 0.25 | $0 | $0 | View return |
| 2010 | The Stuart and Carolyn Gruber Family Foundation Inc C/O Wall & William | 990PF | Secretary/Director | 0.25 | $0 | $0 | View return |
