| 2024 | O'Kelley - Hemminghaus Foundation | 990PF | President/Di | 0 | $0 | $0 | View return |
| 2023 | O'Kelley - Hemminghaus Foundation | 990PF | President/Di | 1 | $0 | $0 | View return |
| 2022 | O'Kelley - Hemminghaus Foundation | 990PF | President/Di | 1 | $0 | $0 | View return |
| 2021 | O'Kelley - Hemminghaus Foundation | 990PF | President/Di | 1 | $0 | $0 | View return |
| 2020 | O'Kelley - Hemminghaus Foundation | 990PF | President/Di | 1 | $0 | $0 | View return |
| 2019 | Southwest Research Institute | 990 | Director | 2 | $32,000 | $0 | View return |
| 2019 | Southwest Research Institute Voluntary Employees' Beneficiary Association | 990 | Director | 0.1 | $0 | $32,000 | View return |
| 2019 | Tom Slick Memorial for Southwest Research Institute | 990 | Trustee | 0.1 | $0 | $32,000 | View return |
| 2019 | O'Kelley - Hemminghaus Foundation | 990PF | President/Di | 1 | $0 | $0 | View return |
| 2018 | Southwest Research Institute | 990 | Director | 2 | $30,000 | $0 | View return |
| 2018 | Southwest Research Institute Voluntary Employees' Beneficiary Association | 990 | Director | 0.1 | $0 | $30,000 | View return |
| 2018 | Tom Slick Memorial for Southwest Research Institute | 990 | Trustee | 0.1 | $0 | $30,000 | View return |
| 2018 | Kendall County Economic Development Corporation | 990 | Board Member | 2 | $0 | $0 | View return |
| 2018 | O'Kelley - Hemminghaus Foundation | 990PF | President/Di | 1 | $0 | $0 | View return |
| 2017 | Southwest Research Institute | 990 | Director | 2 | $36,000 | $0 | View return |
| 2017 | Southwest Research Institute Voluntary Employees' Beneficiary Association | 990 | Director | 0.1 | $0 | $36,000 | View return |
| 2017 | Tom Slick Memorial for Southwest Research Institute | 990 | Trustee | 0.1 | $0 | $36,000 | View return |
| 2017 | O'Kelley - Hemminghaus Foundation | 990PF | President/Di | 1 | $0 | $0 | View return |
| 2017 | Kendall County Economic Development Corporation | 990 | Board Member | 2 | $0 | $0 | View return |
| 2016 | Southwest Research Institute | 990 | Director | 2 | $37,000 | $0 | View return |
| 2016 | Southwest Research Institute Voluntary Employees' Beneficiary Association | 990 | Director | 0.1 | $0 | $37,000 | View return |
| 2016 | Tom Slick Memorial for Southwest Research Institute | 990 | Trustee | 0.1 | $0 | $37,000 | View return |
| 2016 | O'Kelley - Hemminghaus Foundation | 990PF | President/Di | 1 | $0 | $0 | View return |
| 2016 | Kendall County Economic Development Corporation | 990 | Board Member | 2 | - | - | View return |
| 2016 | The Greater San Antonio Chamber Of | 990 | Director | 2 | $0 | $0 | View return |
| 2015 | Southwest Research Institute | 990 | Director | 2 | $37,500 | $0 | View return |
| 2015 | Southwest Research Institute Voluntary Employees' Beneficiary Association | 990 | Director | 0.1 | $0 | $37,500 | View return |
| 2015 | Tom Slick Memorial for Southwest Research Institute | 990 | Trustee | 0.1 | $0 | $37,500 | View return |
| 2015 | The Greater San Antonio Chamber Of | 990 | Director | 2 | $0 | $0 | View return |
| 2015 | O'Kelley - Hemminghaus Foundation | 990PF | President/Di | 1 | $0 | $0 | View return |
| 2014 | Southwest Research Institute | 990 | Director | 2 | $37,500 | $0 | View return |
| 2014 | Southwest Research Institute Voluntary Employees' Beneficiary Association | 990 | Director | 0.1 | $0 | $37,500 | View return |
| 2014 | The Greater San Antonio Chamber Of | 990 | Director | 2 | $0 | $0 | View return |
| 2013 | Southwest Research Institute | 990 | Director | 1 | $34,000 | $0 | View return |
| 2013 | Southwest Research Institute Voluntary Employees' Beneficiary Association | 990 | Director | 0.1 | $0 | $34,000 | View return |
