| 27 févr. 2026 | GRANT_AWARD | NorthWestern Energy Group, Inc. | 2 818 | 68.45 USD | |
| 27 févr. 2026 | TAX_WITHHOLDING | NorthWestern Energy Group, Inc. | 892 | 0.00 USD | |
| 24 févr. 2026 | GRANT_AWARD | NorthWestern Energy Group, Inc. | 148 | 68.45 USD | |
| 24 févr. 2026 | TAX_WITHHOLDING | NorthWestern Energy Group, Inc. | 11 | 0.00 USD | |
| 15 janv. 2026 | TAX_WITHHOLDING | NorthWestern Energy Group, Inc. | 442 | 64.54 USD | |
| 07 mars 2025 | GRANT_AWARD | NorthWestern Energy Group, Inc. | 27 | 54.12 USD | |
| 03 mars 2025 | GRANT_AWARD | NorthWestern Energy Group, Inc. | 361 | 54.12 USD | |
| 03 mars 2025 | GRANT_AWARD | NorthWestern Energy Group, Inc. | 2 257 | 0.00 USD | |
| 13 mars 2024 | GRANT_AWARD | NorthWestern Energy Group, Inc. | 2 530 | 0.00 USD | |
| 05 mars 2024 | GRANT_AWARD | NorthWestern Energy Group, Inc. | 141 | 46.70 USD | |
| 07 mars 2023 | GRANT_AWARD | NORTHWESTERN CORP | 1 330 | 0.00 USD | |