ARDELYX INC

Ticker: ARDX CUSIP: 039697107 Class: Common Stock

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

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

Q4 2025

Shares 153,811 Value ($000) $897 Avg Close $5.57 Range $4.71 - $6.73

Q3 2025

Shares 93,271 Value ($000) $514 Avg Close $5.43 Range $3.80 - $6.78

Q2 2025

Shares 288,961 Value ($000) $1,133 Avg Close $4.13 Range $3.21 - $5.64

Q1 2025

Shares 349,684 Value ($000) $1,717 Avg Close $5.37 Range $4.67 - $6.55

Q4 2024

Shares 444,777 Value ($000) $2,255 Avg Close $5.52 Range $4.32 - $7.04

Q3 2024

Shares 606,697 Value ($000) $4,180 Avg Close $5.90 Range $5.07 - $8.06

Q2 2024

Shares 557,922 Value ($000) $4,134 Avg Close $7.03 Range $5.76 - $9.33

Q4 2023

Shares 393,805 Value ($000) $2,442 Avg Close $4.49 Range $3.16 - $6.75

Q3 2023

Shares 280,763 Value ($000) $1,146 Avg Close $3.90 Range $3.26 - $4.97

Q2 2023

Shares 39,112 Value ($000) $133 Avg Close $4.10 Range $3.19 - $5.13

Q3 2022

Shares 336,018 Value ($000) $400 Avg Close $0.95 Range $0.57 - $1.48

Q2 2022

Shares 373,665 Value ($000) $220 Avg Close $0.74 Range $0.49 - $1.38

Q1 2022

Shares 199,116 Value ($000) $213 Avg Close $0.89 Range $0.58 - $1.20

Q4 2021

Shares 412,948 Value ($000) $454 Avg Close $1.19 Range $0.82 - $1.92

Q3 2021

Shares 144,120 Value ($000) $190 Avg Close $2.67 Range $1.25 - $8.25

Q2 2021

Shares 15,052 Value ($000) $114 Avg Close $7.39 Range $6.22 - $9.23

Q2 2020

Shares 1,872 Value ($000) $13 Avg Close $6.95 Range $5.24 - $8.33

Q1 2020

Shares 15,684 Value ($000) $89 Avg Close $6.80 Range $4.22 - $8.81

Q3 2019

Shares 32,987 Value ($000) $155 Avg Close $3.47 Range $2.10 - $6.78

Q4 2018

Shares 700 Value ($000) $1 Avg Close $2.94 Range $1.60 - $4.42

Q3 2018

Shares 636 Value ($000) $3 Avg Close $4.16 Range $3.58 - $4.70

Q2 2018

Shares 2,036 Value ($000) $8 Avg Close $4.64 Range $3.60 - $5.90

Q1 2018

Shares 1,000 Value ($000) $5 Avg Close $6.24 Range $5.01 - $8.10

Q4 2017

Shares 1,800 Value ($000) $12 Avg Close $5.93 Range $4.75 - $8.65

Q3 2017

Shares 1,400 Value ($000) $8 Avg Close $5.27 Range $4.28 - $6.20

Q2 2017

Shares 2,770 Value ($000) $14 Avg Close $8.48 Range $4.05 - $14.10

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	153,811	$897	$5.57	$4.71 - $6.73
Q3 2025	93,271	$514	$5.43	$3.80 - $6.78
Q2 2025	288,961	$1,133	$4.13	$3.21 - $5.64
Q1 2025	349,684	$1,717	$5.37	$4.67 - $6.55
Q4 2024	444,777	$2,255	$5.52	$4.32 - $7.04
Q3 2024	606,697	$4,180	$5.90	$5.07 - $8.06
Q2 2024	557,922	$4,134	$7.03	$5.76 - $9.33
Q4 2023	393,805	$2,442	$4.49	$3.16 - $6.75
Q3 2023	280,763	$1,146	$3.90	$3.26 - $4.97
Q2 2023	39,112	$133	$4.10	$3.19 - $5.13
Q3 2022	336,018	$400	$0.95	$0.57 - $1.48
Q2 2022	373,665	$220	$0.74	$0.49 - $1.38
Q1 2022	199,116	$213	$0.89	$0.58 - $1.20
Q4 2021	412,948	$454	$1.19	$0.82 - $1.92
Q3 2021	144,120	$190	$2.67	$1.25 - $8.25
Q2 2021	15,052	$114	$7.39	$6.22 - $9.23
Q2 2020	1,872	$13	$6.95	$5.24 - $8.33
Q1 2020	15,684	$89	$6.80	$4.22 - $8.81
Q3 2019	32,987	$155	$3.47	$2.10 - $6.78
Q4 2018	700	$1	$2.94	$1.60 - $4.42
Q3 2018	636	$3	$4.16	$3.58 - $4.70
Q2 2018	2,036	$8	$4.64	$3.60 - $5.90
Q1 2018	1,000	$5	$6.24	$5.01 - $8.10
Q4 2017	1,800	$12	$5.93	$4.75 - $8.65
Q3 2017	1,400	$8	$5.27	$4.28 - $6.20
Q2 2017	2,770	$14	$8.48	$4.05 - $14.10