| 07 mai 2026 | OTHER | Northwest Natural Holding Co | 250,475 | 50.19 USD | |
| 02 mars 2026 | OTHER | Northwest Natural Holding Co | 239,91 | 52.59 USD | |
| 06 nov. 2025 | OTHER | Northwest Natural Holding Co | 608,55 | 46.59 USD | |
| 06 août 2025 | OTHER | Northwest Natural Holding Co | 712,24 | 39.72 USD | |
| 07 mai 2025 | OTHER | Northwest Natural Holding Co | 643,61 | 43.95 USD | |
| 03 mars 2025 | OTHER | Northwest Natural Holding Co | 670 | 42.37 USD | |
| 20 nov. 2024 | OTHER | Northwest Natural Holding Co | 645,72 | 42.12 USD | |
| 05 août 2024 | OTHER | Northwest Natural Holding Co | 712,71 | 38.09 USD | |
| 07 mai 2024 | OTHER | Northwest Natural Holding Co | 707,51 | 38.37 USD | |
| 26 févr. 2024 | OTHER | Northwest Natural Holding Co | 744,35 | 36.60 USD | |
| 06 nov. 2023 | OTHER | Northwest Natural Holding Co | 659,15 | 37.75 USD | |
| 04 août 2023 | OTHER | Northwest Natural Holding Co | 618,02 | 41.33 USD | |
| 05 mai 2023 | OTHER | Northwest Natural Holding Co | 474,42 | 47.05 USD | |
| 27 févr. 2023 | OTHER | Northwest Natural Holding Co | 469,25 | 47.75 USD | |
| 09 nov. 2022 | OTHER | Northwest Natural Holding Co | 491,95 | 45.40 USD | |
| 05 août 2022 | OTHER | Northwest Natural Holding Co | 424,6 | 52.56 USD | |
| 05 mai 2022 | OTHER | Northwest Natural Holding Co | 454,81 | 49.02 USD | |
| 28 févr. 2022 | OTHER | Northwest Natural Holding Co | 428,23 | 52.01 USD | |