Northwest Natural Gas Company (NWN): Congress and insider trades
Who in Congress and inside the company traded NWN, when each filing appeared, and what buying after each one would have earned against the S&P 500.
Key Facts
- Northwest Natural Gas Company (NWN) is a listed stock on NYSE.
- 1 member of Congress filed 13 buys and 1 sell of NWN, the latest published 2023-12-05 (5 December 2023).
- Insiders filed 1 open market buy worth $59.7K and 3 sells worth $242K, the latest filed 2026-08-18 (18 August 2026).
- Across 12 scored buys, Congress averaged -5.5% against the S&P 500 (SPY) over the 90 days after disclosure, with 17% of them ahead of the index. That result is modestly below the market, but could still be chance.
- Across 1 scored buy, Insiders averaged -2.8% against the S&P 500 (SPY) over the 90 days after disclosure, with 0% of them ahead of the index. That result is too few trades to tell.
- Data as of 2026-09-29 (29 September 2026).
Congress trades in NWN
as of 2023-12-05| Filed | Member | Type | Size | Days to file | 90 day vs S&P |
|---|---|---|---|---|---|
| 5 Dec 2023 | Earl Blumenauer (D-OR) | buy | 1K–15K | 19 | -13.6% |
| 7 Sep 2023 | Earl Blumenauer (D-OR) | buy | 1K–15K | 22 | -3.8% |
| 9 Jun 2023 | Earl Blumenauer (D-OR) | buy | 1K–15K | 24 | -11.3% |
| 10 Mar 2023 | Earl Blumenauer (D-OR) | buy | 1K–15K | 22 | -16.7% |
| 5 Dec 2022 | Earl Blumenauer (D-OR) | buy | 1K–15K | 19 | -2.5% |
| 6 Sep 2022 | Earl Blumenauer (D-OR) | buy | 1K–15K | 21 | -2.2% |
| 8 Jun 2022 | Earl Blumenauer (D-OR) | buy | 1K–15K | 25 | -6.2% |
| 23 Mar 2022 | Earl Blumenauer (D-OR) | buy | 1K–15K | 35 | +15.5% |
| 8 Feb 2022 | Earl Blumenauer (D-OR) | sell | 15K–50K | 10 | n/a |
| 23 Nov 2021 | Earl Blumenauer (D-OR) | buy | 1K–15K | 7 | +12.4% |
| 21 Aug 2021 | Earl Blumenauer (D-OR) | buy | 1K–15K | 7 | -16.4% |
| 28 May 2021 | Earl Blumenauer (D-OR) | buy | 1K–15K | 13 | -10.6% |
| 6 Mar 2021 | Earl Blumenauer (D-OR) | buy | 1K–15K | 21 | -10.1% |
| 8 Dec 2020 | Earl Blumenauer (D-OR) | buy | 1K–15K | 24 | n/a |
Nothing matches that search.
Insider trades in NWN
as of 2026-08-18| Filed | Insider | Type | Shares | Price | Value | 90 day vs S&P |
|---|---|---|---|---|---|---|
| 18 Aug 2026 | ANDERSON DAVID HUGO | sell | 1,500 | $50.86 | $76.3K | n/a |
| 21 Jul 2026 | ANDERSON DAVID HUGO | sell | 1,500 | $51.18 | $76.8K | n/a |
| 7 May 2026 | Palfreyman Justin | buy | 1,225 | $48.75 | $59.7K | -2.8% |
| 25 Mar 2026 | Weber David A. | sell | 1,700 | $52.57 | $89.4K | n/a |
Nothing matches that search.
Related pages
Frequently asked questions
Who has bought NWN?
13 Congress buys by 1 member and 1 insider buy are on file. The tables on this page list every one.
Did buying NWN after a disclosure beat the market?
Across 12 scored buys, Congress averaged -5.5% against the S&P 500 (SPY) over the 90 days after disclosure, with 17% of them ahead of the index. That result is modestly below the market, but could still be chance. Across 1 scored buy, Insiders averaged -2.8% against the S&P 500 (SPY) over the 90 days after disclosure, with 0% of them ahead of the index. That result is too few trades to tell. A single stock is a small sample.
Sources: Congressional trades: STOCK Act disclosures, collected from CapitolTrades. Insider trades: SEC Form 4 filings, collected from Finviz. Prices: Yahoo Finance daily adjusted closes. Data as of 2026-09-29 (29 September 2026). About these sources.
Not investment advice. Past disclosed trades do not predict future returns. Disclosures are published late, so the trades shown are ones you could only have copied after the fact. Talk to a licensed adviser before you invest.