| 2024 | Minnegasco Retiree Medical Trust | 990 | Secretary | 1 | $0 | $0 | View return |
| 2024 | Hl&P Retirees' Life Insurance | 990 | Secretary | 1 | $0 | $0 | View return |
| 2023 | Hl&P Retirees' Life Insurance | 990 | Secretary | 1 | $0 | $0 | View return |
| 2023 | Hl&P Union Retirees Medical & | 990 | Secretary | 1 | $0 | $0 | View return |
| 2023 | Mrt Welfare Benefit Trust | 990 | Secretary | 1 | $0 | $0 | View return |
| 2023 | Minnegasco Retiree Medical Trust | 990 | Secretary | 1 | $0 | $0 | View return |
| 2022 | Hl&P Retirees' Life Insurance | 990 | Secretary | 1 | $0 | $0 | View return |
| 2022 | Minnegasco Retiree Medical Trust | 990 | Secretary | 1 | $0 | $0 | View return |
| 2022 | Hl&P Union Retirees Medical & | 990 | Secretary | 1 | $0 | $0 | View return |
| 2022 | Mrt Welfare Benefit Trust | 990 | Secretary | 1 | $0 | $0 | View return |
| 2020 | Hl&P Non-Union Retirees Medical & Dental Benefits Trust | 990 | Secretary | 1 | $0 | $0 | View return |
| 2020 | Mrt Welfare Benefit Trust | 990 | Secretary | 1 | $0 | $0 | View return |
| 2020 | Minnegasco Retiree Medical Trust | 990 | Secretary | 1 | $0 | $0 | View return |
| 2020 | Hl&P Retirees' Life Insurance | 990 | Secretary | 1 | $0 | $0 | View return |
| 2020 | Hl&P Union Retirees Medical & | 990 | Secretary | 1 | $0 | $0 | View return |
| 2019 | Hl&P Union Retirees Medical & | 990 | Secretary | 1 | $0 | $0 | View return |
| 2019 | Mrt Welfare Benefit Trust | 990 | Secretary | 1 | $0 | $0 | View return |
| 2019 | Hl&P Non-Union Retirees Medical & Dental Benefits Trust | 990 | Secretary | 1 | $0 | $0 | View return |
| 2019 | Minnegasco Retiree Medical Trust | 990 | Secretary | 1 | $0 | $0 | View return |
| 2019 | Hl&P Retirees' Life Insurance | 990 | Secretary | 1 | $0 | $0 | View return |
| 2018 | Hl&P Non-Union Retirees Medical & Dental Benefits Trust | 990 | Secretary | 1 | $0 | $0 | View return |
| 2018 | Hl&P Retirees' Life Insurance | 990 | Secretary | 1 | $0 | $0 | View return |
| 2018 | Mrt Welfare Benefit Trust | 990 | Secretary | 1 | $0 | $0 | View return |
| 2018 | Minnegasco Retiree Medical Trust | 990 | Secretary | 1 | $0 | $0 | View return |
| 2018 | Hl&P Union Retirees Medical & | 990 | Secretary | 1 | $0 | $0 | View return |
| 2017 | Minnegasco Retiree Medical Trust | 990 | Secretary | 1 | $0 | $0 | View return |
| 2017 | Mrt Welfare Benefit Trust | 990 | Secretary | 1 | $0 | $0 | View return |
| 2017 | Hl&P Non-Union Retirees Medical & Dental Benefits Trust | 990 | Secretary | 1 | $0 | $0 | View return |
| 2017 | Hl&P Union Retirees Medical & | 990 | Secretary | 1 | $0 | $0 | View return |
| 2017 | Hl&P Retirees' Life Insurance | 990 | Secretary | 1 | $0 | $0 | View return |