| 2024 | Portland Cement Association | 990 | Director | 1 | $0 | $0 | View return |
| 2024 | Walter H Wulf and May L Wulf Charitable Foundation | 990PF | Trustee & Me | 0 | $0 | $0 | View return |
| 2023 | Portland Cement Association | 990 | Director | 1 | $0 | $0 | View return |
| 2023 | Walter H Wulf and May L Wulf Charitable Foundation | 990PF | Trustee & Me | 0 | $0 | $0 | View return |
| 2022 | Portland Cement Association | 990 | Director | 1 | $0 | $0 | View return |
| 2022 | Walter H Wulf and May L Wulf Charitable Foundation | 990PF | Trustee & Me | 0 | $0 | $0 | View return |
| 2021 | Portland Cement Association | 990 | Director | 1 | $0 | $0 | View return |
| 2021 | Walter H Wulf and May L Wulf Charitable Foundation | 990PF | Trustee & Me | 0 | $0 | $0 | View return |
| 2020 | Walter H Wulf and May L Wulf Charitable Foundation | 990PF | Trustee & Me | 0 | $0 | $0 | View return |
| 2020 | Portland Cement Association | 990 | Director | 1 | $0 | $0 | View return |
| 2019 | Portland Cement Association | 990 | Director | 1 | $0 | $0 | View return |
| 2019 | Walter H Wulf and May L Wulf Charitable Foundation | 990PF | Trustee & Me | 0 | $0 | $0 | View return |
| 2018 | Portland Cement Association | 990 | Director | 1 | $0 | $0 | View return |
| 2018 | Walter H Wulf and May L Wulf Charitable Foundation | 990PF | Trustee & Mem. Adv. Comm. | 0 | $0 | $0 | View return |
| 2017 | Portland Cement Association | 990 | Director | 1 | $0 | $0 | View return |
| 2017 | Walter H Wulf and May L Wulf Charitable Foundation | 990PF | Trustee & Mem. Adv. Comm. | 0 | $0 | $0 | View return |
| 2016 | Walter H Wulf and May L Wulf Charitable Foundation | 990PF | Trustee & Mem. Adv. Comm. | 0 | $0 | $0 | View return |
| 2016 | Portland Cement Association | 990 | Director | 1 | $0 | $0 | View return |
| 2015 | Portland Cement Association | 990 | Director | 1 | $0 | $0 | View return |
| 2015 | Walter H Wulf and May L Wulf Charitable Foundation | 990PF | Trustee & Mem. Adv. Comm. | 0 | $0 | $0 | View return |
| 2014 | Walter H Wulf and May L Wulf Charitable Foundation | 990PF | Trustee & Mem. Adv. Comm. | 0 | $0 | $0 | View return |
| 2014 | Portland Cement Association | 990 | Director | 1 | $0 | $0 | View return |
| 2013 | Portland Cement Association | 990 | Director | 1 | $0 | $0 | View return |
| 2013 | Walter H Wulf and May L Wulf Charitable Foundation | 990PF | Trustee & Mem. Adv. Comm. | 0 | $0 | $0 | View return |
| 2012 | Walter H Wulf and May L Wulf Charitable Foundation | 990PF | Trustee & Mem. Adv. Comm. | 0 | $0 | $0 | View return |
| 2011 | Walter H Wulf and May L Wulf Charitable Foundation | 990PF | Trustee & Mem. Adv. Comm. | 0 | $0 | $0 | View return |
| 2010 | Walter H Wulf and May L Wulf Charitable Foundation | 990PF | Trustee & Mem. Adv. Comm. | 0 | $0 | $0 | View return |