| 03 Mar 2026 | GRANT_AWARD | NorthWestern Energy Group, Inc. | 1,354 | 68.45 USD | |
| 03 Mar 2026 | TAX_WITHHOLDING | NorthWestern Energy Group, Inc. | 398 | 0.00 USD | |
| 24 Feb 2026 | GRANT_AWARD | NorthWestern Energy Group, Inc. | 2,474 | 68.45 USD | |
| 24 Feb 2026 | TAX_WITHHOLDING | NorthWestern Energy Group, Inc. | 57 | 0.00 USD | |
| 15 Jan 2026 | TAX_WITHHOLDING | NorthWestern Energy Group, Inc. | 84 | 64.54 USD | |
| 07 Mar 2025 | GRANT_AWARD | NorthWestern Energy Group, Inc. | 1,122 | 54.12 USD | |
| 03 Mar 2025 | GRANT_AWARD | NorthWestern Energy Group, Inc. | 1,440 | 0.00 USD | |
| 03 Mar 2025 | GRANT_AWARD | NorthWestern Energy Group, Inc. | 787 | 54.12 USD | |
| 07 May 2024 | SALE | NorthWestern Energy Group, Inc. | 1,025 | 51.16 USD | |
| 07 May 2024 | SALE | NorthWestern Energy Group, Inc. | 540 | 51.13 USD | |
| 13 Mar 2024 | GRANT_AWARD | NorthWestern Energy Group, Inc. | 1,634 | 0.00 USD | |
| 01 Mar 2024 | GRANT_AWARD | NorthWestern Energy Group, Inc. | 834 | 46.70 USD | |
| 07 Mar 2023 | GRANT_AWARD | NORTHWESTERN CORP | 1,109 | 0.00 USD | |
| 03 Mar 2023 | GRANT_AWARD | NORTHWESTERN CORP | 326 | 56.92 USD | |
| 03 Mar 2023 | GRANT_AWARD | NORTHWESTERN CORP | 702 | 56.92 USD | |
| 13 Dec 2022 | GRANT_AWARD | NORTHWESTERN CORP | 1,344 | 0.00 USD | |
| 28 Feb 2022 | GRANT_AWARD | NORTHWESTERN CORP | 1,212 | 56.52 USD | |
| 24 Feb 2022 | GRANT_AWARD | NORTHWESTERN CORP | 796 | 56.52 USD | |
| 24 Feb 2021 | GRANT_AWARD | NORTHWESTERN CORP | 1,230 | 57.47 USD | |
| 24 Feb 2021 | GRANT_AWARD | NORTHWESTERN CORP | 798 | 57.47 USD | |
| 24 Feb 2020 | GRANT_AWARD | NORTHWESTERN CORP | 697 | 77.46 USD | |
| 25 Feb 2020 | GRANT_AWARD | NORTHWESTERN CORP | 2,512 | 77.46 USD | |
| 25 Feb 2019 | GRANT_AWARD | NORTHWESTERN CORP | 387 | 64.98 USD | |
| 25 Feb 2019 | GRANT_AWARD | NORTHWESTERN CORP | 1,791 | 64.98 USD | |
| 08 Mar 2018 | GRANT_AWARD | NORTHWESTERN CORP | 15 | 52.22 USD | |