undamentalytics Newsletter

Ardelyx, Inc. insider trading

Every open-market purchase and sale by Ardelyx, Inc.'s officers, directors and largest shareholders since November 4, 2021, and what the share price did next.

Insider purchase Insider sale Marker size reflects trade value. Weekly closes adjusted for splits; may be delayed.
Ardelyx, Inc. insider open-market trades
DateInsiderTrade SharesPriceValue 1M after 3M after 6M after

From insiders' Form 4 filings with the SEC: open-market purchases and sales only (awards, option exercises and shares withheld for tax are excluded), combined to one line per insider per day. "Plan" marks trades the filing says were made under a pre-set Rule 10b5-1 trading plan, which are scheduled in advance. Price changes run from the close on the trade date; hover a figure for the change relative to the S&P 500. Past moves don't predict future ones.

Does following Ardelyx, Inc.’s insiders pay?

From December 29, 2014 to August 25, 2026, 27 insiders reported 27 open-market purchases and 144 sales not made under a pre-set plan in Ardelyx, Inc. Twelve months after each purchase was reported, the shares were −27.6% against the S&P 500 on average (median −40.9%), over 18 purchases with a full year of prices; 33% beat the index. After sales, the shares moved −49.1% against the index over 12 months (a negative figure means selling was the right call). That rests on fewer than 20 purchases, too few to read much into. Buying each purchase the day after it was reported, an equal amount each, held 12 months or until that insider reported a sale, would have turned $10,000 on June 9, 2015 into $496 by November 2, 2026, −23.2% a year. It held shares 47% of the time; the S&P 500 on those same days, with Treasury bills otherwise, made $28,935 (+9.8% a year), and held throughout $43,848 (+13.9%).

$0$20.0k$40.0k 201520172019202120232025 $43.8k$28.9k$496
Copying Ardelyx, Inc.'s insidersS&P 500, same days investedS&P 500, held throughout $10,000 copying every open-market purchase by Ardelyx, Inc.'s insiders from June 9, 2015, before costs and taxes, marked weekly. Uninvested money earns the Treasury bill rate; the portfolio held shares 47% of the time.
Ardelyx, Inc.: each insider's record
InsiderRolePurchases12 months after their purchasesBeat the S&P 500Sales12 months after their salesLatest report
Raab Michael President & CEO 0 — — 23 −54.2% (9) August 25, 2026
Rosenbaum David P. Chief Development Officer 0 — — 22 −55.7% (13) November 22, 2024
Mott David M Director 16 −28.2% (8) 38% 0 — February 23, 2026
Williams Laura A Chief Patient Officer 0 — — 15 −34.7% (7) August 25, 2026
Grammer Elizabeth A See Remarks 0 — — 13 −46.3% (8) November 25, 2025
Renz Justin A Chief Financial Officer 0 — — 13 −42.6% (7) August 25, 2025
Blanks Robert See Remarks 0 — — 10 −49.9% (5) November 22, 2024
Rodriguez Susan Chief Commercial Officer 0 — — 8 −75.0% (3) May 23, 2024
Foster Eric Duane Chief Commercial Officer 0 — — 6 −59.2% (1) August 25, 2026
Kelliher Mike Chief Business Officer 0 — — 6 −60.3% (1) August 25, 2026
Barrett M James and related entities 10% owner 3 −33.6% (3) 33% 1 −0.3% (1) July 20, 2016
Barris Peter J and related entities 10% owner 3 −33.6% (3) 33% 1 −0.3% (1) July 20, 2016
Felsch Robert Ora See Remarks 0 — — 4 −51.0% (4) August 22, 2024
Reilly Joseph James See Remarks 0 — — 4 — August 25, 2026
Bishop John E See Remarks 0 — — 3 — August 25, 2026
Brady James Parker Chief Human Resources Officer 0 — — 3 — August 25, 2026
Ringold Gordon Director 3 +6.4% (2) 50% 0 — June 1, 2018
Caldwell Jeremy S EVP, Chief Scientific Officer 0 — — 2 −80.9% (2) March 3, 2017
Kaufmann Mark Chief Financial Officer 0 — — 2 — January 4, 2019
Presidio Partners 2007 (parallel), L.P. 10% owner 0 — — 2 −42.9% (2) February 3, 2015
Sandell Scott D and related entities 10% owner 0 — — 2 −29.7% (1) December 27, 2021
Baskett Forest 10% owner 0 — — 1 −29.7% (1) June 12, 2020
Bertrand William C Jr Director 1 −40.7% (1) 0% 0 — December 21, 2015
Hohenleitner Susan Chief Financial Officer 0 — — 1 — February 23, 2026
Korner Paul EVP, Chief Medical Officer 0 — — 1 −66.5% (1) January 23, 2017
Schultz Peter G Director 1 −41.1% (1) 0% 0 — June 8, 2015
Seeto Reginald Chief Operating Officer 0 — — 1 −46.6% (1) October 26, 2017

Moves are the shares’ return including dividends minus the S&P 500’s, from the close on the first trading day after each report; the number of trades with a finished 12-month window is in brackets. Green means the trade went the insider’s way (a purchase ahead of the index, a sale followed by the shares trailing it). A trade reported both by a director or officer and by a fund or company they are linked to counts once here, under the person. Purchases count only where the share price actually traded was at least $5. These figures describe what the shares did, not why anyone traded. Insiders across all companies.

When several insiders traded Ardelyx, Inc.

Months when 2 or more insiders became net buyers, or 3 or more net sellers, of Ardelyx, Inc. in reports dated in the 91 days before the month end, and how the stock did against the S&P 500 from that month end. After the 3 buying crowds with six months of prices, it averaged +5.1% against the index. After 4 selling crowds, −38.5%. One company's history is too short to judge by; the test across every company is the better guide.

MonthCrowd3 months on, vs S&P 5006 months12 months
September 30, 20206 selling+16.6%+10.1%−104.8%
March 31, 20173 selling−62.8%−63.4%−73.2%
January 31, 20173 selling+6.7%−67.2%−65.9%
July 29, 20164 buying+23.5%+3.6%−67.3%
January 29, 20165 buying−30.1%−10.6%−7.6%
June 30, 20155 buying+12.4%+22.2%−49.7%
January 30, 20153 selling−65.4%−33.5%−60.0%

Colours show whether the crowd was right: green when buyers were followed by a rise above the index, or sellers by a fall below it. Total returns from the month end; past patterns are not a forecast.

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