FRONTIER GROUP HLDGS INC

Ticker: ULCC CUSIP: 35909R108 Class: Common Stock

PEAK6 LLC's Holding History (CIK: 0001389958)

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

Q4 2025

Shares 1,645 Value ($000) $8 Avg Close $4.43 Range $3.55 - $6.02

Q3 2025

Shares 15,876 Value ($000) $70 Avg Close $4.54 Range $3.15 - $6.05

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	1,645	$8	$4.43	$3.55 - $6.02
Q3 2025	15,876	$70	$4.54	$3.15 - $6.05