| 07 May 2026 | OTHER | Northwest Natural Holding Co | 250.475 | 50.19 USD | |
| 02 Mar 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 Aug 2025 | OTHER | Northwest Natural Holding Co | 712.24 | 39.72 USD | |
| 07 May 2025 | OTHER | Northwest Natural Holding Co | 643.61 | 43.95 USD | |
| 03 Mar 2025 | OTHER | Northwest Natural Holding Co | 670 | 42.37 USD | |
| 20 Nov 2024 | OTHER | Northwest Natural Holding Co | 645.72 | 42.12 USD | |
| 05 Aug 2024 | OTHER | Northwest Natural Holding Co | 712.71 | 38.09 USD | |
| 07 May 2024 | OTHER | Northwest Natural Holding Co | 707.51 | 38.37 USD | |
| 26 Feb 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 Aug 2023 | OTHER | Northwest Natural Holding Co | 618.02 | 41.33 USD | |
| 05 May 2023 | OTHER | Northwest Natural Holding Co | 474.42 | 47.05 USD | |
| 27 Feb 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 Aug 2022 | OTHER | Northwest Natural Holding Co | 424.6 | 52.56 USD | |
| 05 May 2022 | OTHER | Northwest Natural Holding Co | 454.81 | 49.02 USD | |
| 28 Feb 2022 | OTHER | Northwest Natural Holding Co | 428.23 | 52.01 USD | |