NORTHWEST NAT HLDG CO

Ticker: NWN CUSIP: 66765N105 Class: Common Stock

Aigen Investment Management, LP's Holding History (CIK: 0001741224)

Note: Option positions (PUT/CALL) are excluded.

Q3 2025

Shares 15,561 Value ($000) $699 Avg Close $41.49 Range $39.29 - $45.05

Q2 2025

Shares 8,823 Value ($000) $350 Avg Close $41.46 Range $38.94 - $44.38

Q4 2023

Shares 7,387 Value ($000) $288 Avg Close $38.01 Range $35.72 - $40.66

Q3 2022

Shares 10,459 Value ($000) $454 Avg Close $50.70 Range $43.29 - $54.72

Q4 2020

Shares 7,082 Value ($000) $326 Avg Close $47.35 Range $42.33 - $52.30

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2025	15,561	$699	$41.49	$39.29 - $45.05
Q2 2025	8,823	$350	$41.46	$38.94 - $44.38
Q4 2023	7,387	$288	$38.01	$35.72 - $40.66
Q3 2022	10,459	$454	$50.70	$43.29 - $54.72
Q4 2020	7,082	$326	$47.35	$42.33 - $52.30