ARDX Ardelyx, Inc.

NASDAQ
$3.58

Ardelyx, Inc. (ARDX) Insider Activity

What the officers, directors and large holders did with their own shares. Only open-market purchases and sales count toward the totals — grants, option exercises and shares withheld for tax are compensation mechanics, not decisions, and they're listed separately below.

30D 90D 6M 1Y
Insider signal Moderately bearish Selling ran elevated versus ARDX's own trailing one-year pace, with 62% of sale value under a prearranged plan.
Cluster activity 0 buyers in the last 30 days 0 buyers in the last 90 days 8 sellers in the last 90 days
Insiders buying
0
0 transactions
Insiders selling
8
46 transactions
Purchases
$0
0 shares
Sales
$2.7M
502,600 shares
Net activity
-$2.7M
purchases less sales

How much of that selling was preplanned? 62% planned / 38% discretionary

10b5-1 plan sales $1.7M 6 transactions · 290,232 shares
Discretionary sales $1.0M 40 transactions · 212,368 shares

Largest single sale: $490.5K.

Where they traded

Buy Sell Dot area is proportional to transaction value.

Last open-market purchase: February 20, 2026 , by MOTT DAVID M .

Recent open-market activity

Date Insider Role Action Shares Price Value Held after
RAAB MICHAEL 4 fills President & CEO Sell 58,574 $3.86 $225.9K 1,663,357 −3.4% of holding
Bishop John E 2 fills See Remarks Sell 19,750 $3.86 $76.2K 319,564 −5.8% of holding
Brady James Parker 2 fills Chief Human Resources Officer Sell 15,136 $3.86 $58.4K 259,090 −5.5% of holding
Williams Laura A 4 fills Chief Patient Officer Sell 10,739 $3.86 $41.4K 374,709 −2.8% of holding
Foster Eric Duane 3 fills Chief Commercial Officer Sell 8,562 $3.86 $33.0K 415,374 −2% of holding
Kelliher Mike 3 fills Chief Business Officer Sell 7,758 $3.86 $29.9K 354,314 −2.1% of holding
Reilly Joseph James 2 fills See Remarks Sell 3,982 $3.86 $15.4K 146,964 −2.6% of holding
Hohenleitner Susan Chief Financial Officer Sell 1,558 $3.86 $6.0K 227,520 −0.7% of holding
RAAB MICHAEL President & CEO Sell 10b5-1 41,668 $5.06 $210.9K 1,678,366 −2.4% of holding
Williams Laura A Chief Patient Officer Sell 10b5-1 81,898 $5.99 $490.5K 378,195 −17.8% of holding
RAAB MICHAEL President & CEO Sell 10b5-1 41,666 $5.67 $236.3K 1,699,200 −2.4% of holding
RAAB MICHAEL 4 fills President & CEO Sell 54,748 $6.27 $343.1K 1,759,848 −3% of holding
Foster Eric Duane 3 fills Chief Commercial Officer Sell 7,998 $6.27 $50.1K 422,804 −1.9% of holding
Kelliher Mike 3 fills Chief Business Officer Sell 7,248 $6.27 $45.4K 361,766 −2% of holding
Williams Laura A 4 fills Chief Patient Officer Sell 6,989 $6.27 $43.8K 434,579 −1.6% of holding
Reilly Joseph James 2 fills See Remarks Sell 3,719 $6.27 $23.3K 149,836 −2.4% of holding
Bishop John E See Remarks Sell 2,306 $6.27 $14.5K 336,845 −0.7% of holding
Brady James Parker Chief Human Resources Officer Sell 1,846 $6.27 $11.6K 261,066 −0.7% of holding
Hohenleitner Susan Chief Financial Officer Sell 1,455 $6.27 $9.1K 229,078 −0.6% of holding
RAAB MICHAEL President & CEO Sell 10b5-1 41,666 $6.28 $261.6K 1,774,781 −2.3% of holding
RAAB MICHAEL President & CEO Sell 10b5-1 41,668 $6.29 $262.0K 1,795,614 −2.3% of holding
RAAB MICHAEL President & CEO Sell 10b5-1 41,666 $5.84 $243.3K 1,816,448 −2.2% of holding

Form 4s are due within two business days of a transaction, so this is close to real time — unlike the quarterly 13F data on the Institutional tab. A single large sale often reflects a prearranged 10b5-1 plan rather than a fresh view, so read a pattern of sales rather than any one of them.