ARDELYX INC

Ticker: ARDX CUSIP: 039697107 Class: Common Stock

BROWN BROTHERS HARRIMAN & CO's Holding History (CIK: 0000014661)

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

Q4 2025

Shares 1,147 Value ($000) $7 Avg Close $5.57 Range $4.71 - $6.73

Q3 2025

Shares 394 Value ($000) $2 Avg Close $5.43 Range $3.80 - $6.78

Q2 2025

Shares 394 Value ($000) $2 Avg Close $4.13 Range $3.21 - $5.64

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	1,147	$7	$5.57	$4.71 - $6.73
Q3 2025	394	$2	$5.43	$3.80 - $6.78
Q2 2025	394	$2	$4.13	$3.21 - $5.64