| 07 mai 2026 | OTHER | Northwest Natural Holding Co | 1 014,422 | 50.19 USD | |
| 02 mars 2026 | OTHER | Northwest Natural Holding Co | 971,65 | 52.59 USD | |
| 06 nov. 2025 | OTHER | Northwest Natural Holding Co | 1 095,69 | 46.59 USD | |
| 06 août 2025 | OTHER | Northwest Natural Holding Co | 1 282,03 | 39.72 USD | |
| 07 mai 2025 | OTHER | Northwest Natural Holding Co | 1 158,5 | 43.95 USD | |
| 03 mars 2025 | OTHER | Northwest Natural Holding Co | 1 206 | 42.37 USD | |
| 20 nov. 2024 | OTHER | Northwest Natural Holding Co | 1 156,91 | 42.12 USD | |
| 05 août 2024 | OTHER | Northwest Natural Holding Co | 1 276,93 | 38.09 USD | |
| 07 mai 2024 | OTHER | Northwest Natural Holding Co | 1 267,62 | 38.37 USD | |
| 26 févr. 2024 | OTHER | Northwest Natural Holding Co | 1 333,62 | 36.60 USD | |
| 06 nov. 2023 | OTHER | Northwest Natural Holding Co | 1 168,49 | 37.75 USD | |
| 04 août 2023 | OTHER | Northwest Natural Holding Co | 1 099,3 | 41.33 USD | |
| 05 mai 2023 | OTHER | Northwest Natural Holding Co | 948,83 | 47.05 USD | |
| 27 févr. 2023 | OTHER | Northwest Natural Holding Co | 938,49 | 47.75 USD | |
| 09 nov. 2022 | OTHER | Northwest Natural Holding Co | 819,92 | 45.40 USD | |
| 05 août 2022 | OTHER | Northwest Natural Holding Co | 707,67 | 52.56 USD | |
| 05 mai 2022 | OTHER | Northwest Natural Holding Co | 758,02 | 49.02 USD | |
| 28 févr. 2022 | OTHER | Northwest Natural Holding Co | 737,22 | 52.01 USD | |
| 08 nov. 2021 | OTHER | Northwest Natural Holding Co | 504,5 | 45.73 USD | |
| 06 août 2021 | OTHER | Northwest Natural Holding Co | 1 262,71 | 53.43 USD | |