ARDX Ardelyx, Inc.
$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.
Insider signal
In line
Selling ran in line with ARDX's own trailing one-year pace, with 46% 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
1
1 transaction
Insiders selling
9
78 transactions
Purchases
$1.9M
333,333 shares
Sales
$4.3M
762,972 shares
Net activity
-$2.4M
purchases less sales
How much of that selling was preplanned? 46% planned / 54% discretionary
10b5-1 plan sales
$2.0M
7 transactions · 331,898 shares
Discretionary sales
$2.3M
71 transactions · 431,074 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 | |
| RAAB MICHAEL | President & CEO | Sell 10b5-1 | 41,666 | $6.25 | $260.6K | 1,836,153 −2.2% of holding | |
| MOTT DAVID M | Director | Buy | 333,333 | $5.84 | $1.9M | 3,302,918 | |
| RAAB MICHAEL 5 fills | President & CEO | Sell | 45,982 | $5.85 | $268.8K | 1,862,567 −2.4% of holding | |
| Foster Eric Duane 4 fills | Chief Commercial Officer | Sell | 10,439 | $5.85 | $61.0K | 427,233 −2.4% of holding | |
| Kelliher Mike 3 fills | See Remarks | Sell | 9,595 | $5.85 | $56.1K | 365,827 −2.6% of holding | |
| Williams Laura A 2 fills | See Remarks | Sell | 8,176 | $5.85 | $47.8K | 437,066 −1.8% of holding | |
| Reilly Joseph James 3 fills | See Remarks | Sell | 4,991 | $5.85 | $29.2K | 152,394 −3.2% of holding | |
| Bishop John E 3 fills | See Remarks | Sell | 3,179 | $5.85 | $18.6K | 339,538 −0.9% of holding | |
| Brady James Parker 2 fills | Chief Human Resources Officer | Sell | 2,543 | $5.85 | $14.9K | 263,221 −1% of holding | |
| Hohenleitner Susan 2 fills | Chief Financial Officer | Sell | 2,033 | $5.85 | $11.9K | 230,780 −0.9% of holding | |
| Williams Laura A | Chief Patient Officer | Sell | 50,000 | $6.98 | $348.9K | 361,563 −12.1% of holding | |
| RAAB MICHAEL | President & CEO | Sell | 46,887 | $5.54 | $259.6K | 1,455,363 −3.1% of holding | |
| Reilly Joseph James | See Remarks | Sell | 11,086 | $5.54 | $61.4K | 108,914 −9.2% of holding | |
| Williams Laura A | Chief Patient Officer | Sell | 6,426 | $5.54 | $35.6K | 359,896 −1.8% of holding | |
| GRAMMER ELIZABETH A | See Remarks | Sell | 5,995 | $5.54 | $33.2K | 299,895 −2% of holding | |
| Foster Eric Duane | Chief Commercial Officer | Sell | 5,814 | $5.54 | $32.2K | 295,684 −1.9% of holding | |
| Kelliher Mike | See Remarks | Sell | 5,560 | $5.54 | $30.8K | 271,181 −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.