NORTHWEST NAT HLDG CO

Ticker: NWN CUSIP: 66765N105 Class: Common Stock

GROUP ONE TRADING, L.P.'s Holding History (CIK: 0000932540)

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

Q4 2025

Shares 3,264 Value ($000) $153 Avg Close $46.64 Range $43.64 - $49.63

Q3 2025

Shares 2,700 Value ($000) $121 Avg Close $41.49 Range $39.29 - $45.05

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	3,264	$153	$46.64	$43.64 - $49.63
Q3 2025	2,700	$121	$41.49	$39.29 - $45.05