KRYSTAL BIOTECH INC

Ticker: KRYS CUSIP: 501147102 Class: Common Stock

ALLIANCEBERNSTEIN L.P.'s Holding History (CIK: 0001109448)

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

Q4 2025

Shares 31,529 Value ($000) $7,773 Avg Close $210.47 Range $175.85 - $265.92

Q3 2025

Shares 29,920 Value ($000) $5,282 Avg Close $149.68 Range $130.50 - $178.20

Q2 2025

Shares 31,120 Value ($000) $4,278 Avg Close $146.88 Range $122.80 - $182.16

Q1 2025

Shares 31,120 Value ($000) $5,611 Avg Close $168.21 Range $141.72 - $197.94

Q4 2024

Shares 31,120 Value ($000) $4,875 Avg Close $177.39 Range $154.16 - $207.84

Q3 2024

Shares 29,720 Value ($000) $5,410 Avg Close $192.81 Range $164.81 - $219.34

Q2 2024

Shares 29,720 Value ($000) $5,458 Avg Close $167.89 Range $144.00 - $191.78

Q1 2024

Shares 23,760 Value ($000) $4,228 Avg Close $138.91 Range $107.50 - $189.97

Q4 2023

Shares 25,900 Value ($000) $3,213 Avg Close $110.89 Range $93.95 - $129.85

Q3 2023

Shares 25,900 Value ($000) $3,004 Avg Close $122.00 Range $106.92 - $132.68

Q2 2023

Shares 26,100 Value ($000) $3,064 Avg Close $102.10 Range $77.09 - $131.80

Q1 2023

Shares 26,100 Value ($000) $2,090 Avg Close $78.56 Range $69.81 - $89.59

Q4 2022

Shares 26,100 Value ($000) $2,068 Avg Close $74.22 Range $61.11 - $81.97

Q3 2022

Shares 25,500 Value ($000) $1,777 Avg Close $72.25 Range $63.02 - $85.11

Q2 2022

Shares 25,500 Value ($000) $1,674 Avg Close $62.21 Range $47.67 - $74.53

Q1 2022

Shares 23,400 Value ($000) $1,557 Avg Close $62.42 Range $50.03 - $73.94

Q4 2021

Shares 20,700 Value ($000) $1,448 Avg Close $58.21 Range $38.86 - $102.99

Q3 2021

Shares 20,700 Value ($000) $1,081 Avg Close $59.20 Range $51.04 - $72.55

Q2 2021

Shares 20,700 Value ($000) $1,408 Avg Close $69.80 Range $59.29 - $83.00

Q1 2021

Shares 13,600 Value ($000) $1,048 Avg Close $72.70 Range $57.06 - $87.29

Q4 2020

Shares 13,300 Value ($000) $798 Avg Close $49.94 Range $40.04 - $62.95

Q3 2020

Shares 13,300 Value ($000) $573 Avg Close $43.43 Range $37.68 - $48.80

Q2 2020

Shares 14,000 Value ($000) $580 Avg Close $48.11 Range $35.33 - $61.86

Q1 2020

Shares 11,400 Value ($000) $493 Avg Close $52.30 Range $33.09 - $66.85

Q4 2019

Shares 12,000 Value ($000) $665 Avg Close $49.06 Range $31.89 - $66.50

Q3 2019

Shares 9,300 Value ($000) $323 Avg Close $44.70 Range $33.62 - $51.67

Q2 2019

Shares 8,100 Value ($000) $326 Avg Close $32.69 Range $22.02 - $46.90

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	31,529	$7,773	$210.47	$175.85 - $265.92
Q3 2025	29,920	$5,282	$149.68	$130.50 - $178.20
Q2 2025	31,120	$4,278	$146.88	$122.80 - $182.16
Q1 2025	31,120	$5,611	$168.21	$141.72 - $197.94
Q4 2024	31,120	$4,875	$177.39	$154.16 - $207.84
Q3 2024	29,720	$5,410	$192.81	$164.81 - $219.34
Q2 2024	29,720	$5,458	$167.89	$144.00 - $191.78
Q1 2024	23,760	$4,228	$138.91	$107.50 - $189.97
Q4 2023	25,900	$3,213	$110.89	$93.95 - $129.85
Q3 2023	25,900	$3,004	$122.00	$106.92 - $132.68
Q2 2023	26,100	$3,064	$102.10	$77.09 - $131.80
Q1 2023	26,100	$2,090	$78.56	$69.81 - $89.59
Q4 2022	26,100	$2,068	$74.22	$61.11 - $81.97
Q3 2022	25,500	$1,777	$72.25	$63.02 - $85.11
Q2 2022	25,500	$1,674	$62.21	$47.67 - $74.53
Q1 2022	23,400	$1,557	$62.42	$50.03 - $73.94
Q4 2021	20,700	$1,448	$58.21	$38.86 - $102.99
Q3 2021	20,700	$1,081	$59.20	$51.04 - $72.55
Q2 2021	20,700	$1,408	$69.80	$59.29 - $83.00
Q1 2021	13,600	$1,048	$72.70	$57.06 - $87.29
Q4 2020	13,300	$798	$49.94	$40.04 - $62.95
Q3 2020	13,300	$573	$43.43	$37.68 - $48.80
Q2 2020	14,000	$580	$48.11	$35.33 - $61.86
Q1 2020	11,400	$493	$52.30	$33.09 - $66.85
Q4 2019	12,000	$665	$49.06	$31.89 - $66.50
Q3 2019	9,300	$323	$44.70	$33.62 - $51.67
Q2 2019	8,100	$326	$32.69	$22.02 - $46.90