MardiLyn Saathoff - NWN / Northwest Natural Holding Company - Insider Trade Report

Insider Purchases - Short Term Profit Analysis

In this section, we analyze the profitability of every unplanned, open-market insider purchase made by MardiLyn Saathoff in NWN / Northwest Natural Holding Company. This analysis helps to understand if the insider consistently generates abnormal returns, and is worth following. This analysis is for one-year following each trade, and the results are theoretical.

The following table shows the most recent open market purchases that were not part of an automatic trading plan.

Trade Date	Reported Shares	Reported Price	Adjusted Shares	Adjusted Price	Cost Basis	Days to Max	Price at Max	Max Profit ($)	Max Return (%)
There are no known unplanned open-market trades for this insider

Adjusted Price is the split-adjusted price. Adjusted Shares is the split-adjusted shares.

Insider Sales - Short Term Loss Analysis

In this section, we analyze the short-term loss avoidance of every unplanned, open-market insider sale made by MardiLyn Saathoff in NWN / Northwest Natural Holding Company. A consistent pattern of loss avoidance may suggest that future sale transactions may predict declines in price. This analysis is for one-year following each trade, and the results are theoretical.

The following table shows the most recent open market purchases that were not part of an automatic trading plan.

Trade Date	Reported Shares	Reported Price	Adjusted Shares	Adjusted Price	Cost Basis	Days to Min	Price at Min	Max Loss Avoided ($)	Max Loss Avoided (%)
2025-12-22	0	46.9000	0	46.9000	16	32	45.8300	-15	-100.00
2025-12-22	1	46.9000	1	46.9000	37
2021-04-01	1,531	53.3303	1,531	53.3303	81,639
2019-12-19	2,000	73.1517	2,000	73.1517	146,303
2019-12-19	3,000	73.1517	3,000	73.1517	219,455

Adjusted Price is the split-adjusted price. Adjusted Shares is the split-adjusted shares.

Insider Transaction History