KRYSTAL BIOTECH INC

Ticker: KRYS CUSIP: 501147102 Class: Common Stock

FOX RUN MANAGEMENT, L.L.C.'s Holding History (CIK: 0001533457)

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

Q4 2025

Shares 856 Value ($000) $211 Avg Close $210.47 Range $175.85 - $265.92

Q1 2025

Shares 2,354 Value ($000) $424 Avg Close $168.21 Range $141.72 - $197.94

Q4 2024

Shares 2,161 Value ($000) $339 Avg Close $177.39 Range $154.16 - $207.84

Q4 2023

Shares 3,436 Value ($000) $426 Avg Close $110.89 Range $93.95 - $129.85

Q3 2023

Shares 1,892 Value ($000) $219 Avg Close $122.00 Range $106.92 - $132.68

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	856	$211	$210.47	$175.85 - $265.92
Q1 2025	2,354	$424	$168.21	$141.72 - $197.94
Q4 2024	2,161	$339	$177.39	$154.16 - $207.84
Q4 2023	3,436	$426	$110.89	$93.95 - $129.85
Q3 2023	1,892	$219	$122.00	$106.92 - $132.68