Michael Raab, President and CEO of Ardelyx, Inc. ($ARDX), sold about $1.62 million worth of shares in 11 open market transactions over the last year. His most recent sale occurred on February 24, 2026. These sales rank 3,893rd among 11,678 insiders in our database, where the average is $8.59 million across about 6.4 transactions per insider. Raab made no open market purchases during this period.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| March 16, 2026 | ARDELYX, INC. | $ARDX | RAAB MICHAEL | President & CEO | M | Stock Option (Right to Buy) | 20833 | $0.00 | 374,168.0000 | 245,247,427 | 5.27% | 0.01% |
| March 16, 2026 | ARDELYX, INC. | $ARDX | RAAB MICHAEL | President & CEO | M | Common Stock | 20833 | $0.99 | 1,882,350.0000 | 245,247,427 | 1.12% | 0.01% |
| March 16, 2026 | ARDELYX, INC. | $ARDX | RAAB MICHAEL | President & CEO | S | Common Stock | 41666 | $5.84 | 1,841,812.0000 | 245,247,427 | 2.21% | 0.02% |
| Feb. 24, 2026 | ARDELYX, INC. | $ARDX | RAAB MICHAEL | President & CEO | M | Stock Option (Right to Buy) | 20833 | $0.00 | 395,001.0000 | 245,247,427 | 5.01% | 0.01% |
| Feb. 24, 2026 | ARDELYX, INC. | $ARDX | RAAB MICHAEL | President & CEO | S | Common Stock | 41666 | $6.26 | 1,861,517.0000 | 245,247,427 | 2.19% | 0.02% |
| Feb. 24, 2026 | ARDELYX, INC. | $ARDX | RAAB MICHAEL | President & CEO | M | Common Stock | 20833 | $0.99 | 1,903,183.0000 | 245,247,427 | 1.11% | 0.01% |
| Feb. 20, 2026 | ARDELYX, INC. | $ARDX | RAAB MICHAEL | President & CEO | S | Common Stock | 2 | $5.70 | 1,882,353.0000 | 245,247,427 | 0.00% | 0.00% |
| Feb. 20, 2026 | ARDELYX, INC. | $ARDX | RAAB MICHAEL | President & CEO | S | Common Stock | 2 | $5.70 | 1,882,350.0000 | 245,247,427 | 0.00% | 0.00% |
| Feb. 20, 2026 | ARDELYX, INC. | $ARDX | RAAB MICHAEL | President & CEO | S | Common Stock | 40401 | $5.87 | 1,887,931.0000 | 245,247,427 | 2.10% | 0.02% |
| Feb. 20, 2026 | ARDELYX, INC. | $ARDX | RAAB MICHAEL | President & CEO | S | Common Stock | 5576 | $5.71 | 1,882,355.0000 | 245,247,427 | 0.30% | 0.00% |
| Feb. 20, 2026 | ARDELYX, INC. | $ARDX | RAAB MICHAEL | President & CEO | S | Common Stock | 1 | $5.70 | 1,882,352.0000 | 245,247,427 | 0.00% | 0.00% |
| Jan. 27, 2026 | Tempest Therapeutics, Inc. | $TPST | RAAB MICHAEL | Not found | A | Stock Option (right to buy) | 1230 | $0.00 | 1,230.0000 | 4,440,161 | 9999.99% | 0.03% |
| Jan. 23, 2026 | ARDELYX, INC. | $ARDX | RAAB MICHAEL | President & CEO | A | Stock Option (Right to Buy) | 669330 | $0.00 | 669,330.0000 | 242,974,306 | 9999.99% | 0.28% |
| Jan. 23, 2026 | ARDELYX, INC. | $ARDX | RAAB MICHAEL | President & CEO | A | Common Stock | 446220 | $0.00 | 1,928,332.0000 | 242,974,306 | 30.11% | 0.18% |
| Nov. 21, 2025 | ARDELYX, INC. | $ARDX | RAAB MICHAEL | President & CEO | S | Common Stock | 46887 | $5.54 | 1,480,727.0000 | 242,974,306 | 3.07% | 0.02% |
| Aug. 21, 2025 | ARDELYX, INC. | $ARDX | RAAB MICHAEL | President & CEO | S | Common Stock | 45687 | $5.93 | 1,527,614.0000 | 238,356,222 | 2.90% | 0.02% |
| June 5, 2025 | AMICUS THERAPEUTICS, INC. | $FOLD | RAAB MICHAEL | Not found | A | Common Stock | 20414 | $0.00 | 115,857.0000 | 300,116,081 | 21.39% | 0.01% |
| June 5, 2025 | AMICUS THERAPEUTICS, INC. | $FOLD | RAAB MICHAEL | Not found | A | Stock Options (right to buy) | 74872 | $0.00 | 74,872.0000 | 300,116,081 | 9999.99% | 0.02% |
| May 20, 2025 | ARDELYX, INC. | $ARDX | RAAB MICHAEL | President & CEO | S | Common Stock | 46817 | $4.08 | 1,573,301.0000 | 238,356,222 | 2.89% | 0.02% |
| May 2, 2025 | ARDELYX, INC. | $ARDX | RAAB MICHAEL | President & CEO | M | Stock Option (Right to Buy) | 20833 | $0.00 | 415,834.0000 | 238,356,222 | 4.77% | 0.01% |
| May 2, 2025 | ARDELYX, INC. | $ARDX | RAAB MICHAEL | President & CEO | S | Common Stock | 41666 | $4.25 | 1,620,118.0000 | 238,356,222 | 2.51% | 0.02% |
| May 2, 2025 | ARDELYX, INC. | $ARDX | RAAB MICHAEL | President & CEO | M | Common Stock | 20833 | $0.99 | 1,661,784.0000 | 238,356,222 | 1.27% | 0.01% |
| April 4, 2025 | ARDELYX, INC. | $ARDX | RAAB MICHAEL | President & CEO | S | Common Stock | 41666 | $4.59 | 1,640,951.0000 | 238,356,222 | 2.48% | 0.02% |
| April 4, 2025 | ARDELYX, INC. | $ARDX | RAAB MICHAEL | President & CEO | M | Stock Option (Right to Buy) | 20833 | $0.00 | 436,667.0000 | 238,356,222 | 4.55% | 0.01% |
| April 4, 2025 | ARDELYX, INC. | $ARDX | RAAB MICHAEL | President & CEO | M | Common Stock | 20833 | $0.99 | 1,682,617.0000 | 238,356,222 | 1.25% | 0.01% |
| March 7, 2025 | ARDELYX, INC. | $ARDX | RAAB MICHAEL | President & CEO | M | Common Stock | 20834 | $0.99 | 1,702,170.0000 | 238,356,222 | 1.24% | 0.01% |
| March 7, 2025 | ARDELYX, INC. | $ARDX | RAAB MICHAEL | President & CEO | M | Stock Option (Right to Buy) | 20834 | $0.00 | 457,500.0000 | 238,356,222 | 4.36% | 0.01% |
| March 7, 2025 | ARDELYX, INC. | $ARDX | RAAB MICHAEL | President & CEO | S | Common Stock | 41668 | $5.36 | 1,660,502.0000 | 238,356,222 | 2.45% | 0.02% |
| Feb. 25, 2025 | ARDELYX, INC. | $ARDX | RAAB MICHAEL | President & CEO | A | Common Stock | 570217 | $0.00 | 1,681,336.0000 | 238,356,222 | 51.32% | 0.24% |
| Feb. 25, 2025 | ARDELYX, INC. | $ARDX | RAAB MICHAEL | President & CEO | A | Stock Option (Right to Buy) | 855326 | $0.00 | 855,326.0000 | 238,356,222 | 9999.99% | 0.36% |
| Feb. 20, 2025 | ARDELYX, INC. | $ARDX | RAAB MICHAEL | President & CEO | S | Common Stock | 22964 | $5.62 | 1,111,119.0000 | 238,356,222 | 2.02% | 0.01% |
| Jan. 31, 2025 | ARDELYX, INC. | $ARDX | RAAB MICHAEL | President & CEO | M | Stock Option (Right to Buy) | 20833 | $0.00 | 478,334.0000 | 0 | 4.17% | 0.00% |
| Jan. 31, 2025 | ARDELYX, INC. | $ARDX | RAAB MICHAEL | President & CEO | S | Common Stock | 41666 | $5.36 | 1,134,083.0000 | 0 | 3.54% | 0.00% |
| Jan. 31, 2025 | ARDELYX, INC. | $ARDX | RAAB MICHAEL | President & CEO | M | Common Stock | 20833 | $0.99 | 1,175,749.0000 | 0 | 1.80% | 0.00% |
| Jan. 7, 2025 | ARDELYX, INC. | $ARDX | RAAB MICHAEL | President & CEO | S | Common Stock | 41666 | $5.31 | 1,154,916.0000 | 0 | 3.48% | 0.00% |
| Jan. 7, 2025 | ARDELYX, INC. | $ARDX | RAAB MICHAEL | President & CEO | M | Stock Option (Right to Buy) | 20833 | $0.00 | 499,167.0000 | 0 | 4.01% | 0.00% |
| Jan. 7, 2025 | ARDELYX, INC. | $ARDX | RAAB MICHAEL | President & CEO | M | Common Stock | 20833 | $0.99 | 1,196,582.0000 | 0 | 1.77% | 0.00% |
| Dec. 10, 2024 | ARDELYX, INC. | $ARDX | RAAB MICHAEL | President & CEO | M | Common Stock | 25000 | $0.99 | 1,200,749.0000 | 0 | 2.13% | 0.00% |
| Dec. 10, 2024 | ARDELYX, INC. | $ARDX | RAAB MICHAEL | President & CEO | M | Stock Option (Right to Buy) | 25000 | $0.00 | 520,000.0000 | 0 | 4.59% | 0.00% |
| Dec. 10, 2024 | ARDELYX, INC. | $ARDX | RAAB MICHAEL | President & CEO | S | Common Stock | 25000 | $5.26 | 1,175,749.0000 | 0 | 2.08% | 0.00% |
| Nov. 25, 2024 | ARDELYX, INC. | $ARDX | RAAB MICHAEL | President & CEO | S | Common Stock | 25000 | $5.38 | 1,175,749.0000 | 0 | 2.08% | 0.00% |
| Nov. 20, 2024 | ARDELYX, INC. | $ARDX | RAAB MICHAEL | President & CEO | S | Common Stock | 31980 | $4.79 | 1,200,749.0000 | 0 | 2.59% | 0.00% |
| Nov. 11, 2024 | ARDELYX, INC. | $ARDX | RAAB MICHAEL | President & CEO | S | Common Stock | 2743 | $4.90 | 1,232,729.0000 | 0 | 0.22% | 0.00% |
| Oct. 28, 2024 | ARDELYX, INC. | $ARDX | RAAB MICHAEL | President & CEO | S | Common Stock | 25000 | $5.91 | 1,235,472.0000 | 0 | 1.98% | 0.00% |
| Oct. 28, 2024 | ARDELYX, INC. | $ARDX | RAAB MICHAEL | President & CEO | M | Common Stock | 25000 | $0.99 | 1,260,472.0000 | 0 | 2.02% | 0.00% |
| Oct. 28, 2024 | ARDELYX, INC. | $ARDX | RAAB MICHAEL | President & CEO | M | Stock Option (Right to Buy) | 25000 | $0.00 | 545,000.0000 | 0 | 4.39% | 0.00% |
| Oct. 11, 2024 | ARDELYX, INC. | $ARDX | RAAB MICHAEL | President & CEO | S | Common Stock | 7500 | $6.01 | 1,235,472.0000 | 0 | 0.60% | 0.00% |
| Sept. 26, 2024 | ARDELYX, INC. | $ARDX | RAAB MICHAEL | President & CEO | S | Common Stock | 3000 | $6.07 | 1,242,972.0000 | 0 | 0.24% | 0.00% |
| Sept. 11, 2024 | ARDELYX, INC. | $ARDX | RAAB MICHAEL | President & CEO | M | Common Stock | 35000 | $0.99 | 1,280,972.0000 | 0 | 2.81% | 0.00% |
| Sept. 11, 2024 | ARDELYX, INC. | $ARDX | RAAB MICHAEL | President & CEO | S | Common Stock | 35000 | $5.61 | 1,245,972.0000 | 0 | 2.73% | 0.00% |
| Sept. 11, 2024 | ARDELYX, INC. | $ARDX | RAAB MICHAEL | President & CEO | M | Stock Option (Right to Buy) | 35000 | $0.00 | 570,000.0000 | 0 | 5.79% | 0.00% |
| Aug. 27, 2024 | ARDELYX, INC. | $ARDX | RAAB MICHAEL | President & CEO | S | Common Stock | 7500 | $6.22 | 1,244,873.0000 | 0 | 0.60% | 0.00% |
| Aug. 20, 2024 | ARDELYX, INC. | $ARDX | RAAB MICHAEL | President & CEO | S | Common Stock | 32225 | $5.86 | 1,252,373.0000 | 0 | 2.51% | 0.00% |
| Aug. 12, 2024 | ARDELYX, INC. | $ARDX | RAAB MICHAEL | President & CEO | S | Common Stock | 1229 | $5.71 | 1,284,598.0000 | 0 | 0.10% | 0.00% |
| July 29, 2024 | ARDELYX, INC. | $ARDX | RAAB MICHAEL | President & CEO | M | Stock Option (Right to Buy) | 30000 | $0.00 | 605,000.0000 | 0 | 4.72% | 0.00% |
| July 29, 2024 | ARDELYX, INC. | $ARDX | RAAB MICHAEL | President & CEO | S | Common Stock | 30000 | $5.64 | 1,285,827.0000 | 0 | 2.28% | 0.00% |
| July 29, 2024 | ARDELYX, INC. | $ARDX | RAAB MICHAEL | President & CEO | M | Common Stock | 30000 | $0.99 | 1,315,827.0000 | 0 | 2.33% | 0.00% |
| July 15, 2024 | ARDELYX, INC. | $ARDX | RAAB MICHAEL | President & CEO | S | Common Stock | 7500 | $5.97 | 1,285,827.0000 | 0 | 0.58% | 0.00% |
| June 28, 2024 | ARDELYX, INC. | $ARDX | RAAB MICHAEL | President & CEO | S | Common Stock | 2310 | $6.59 | 1,293,327.0000 | 0 | 0.18% | 0.00% |
| June 13, 2024 | ARDELYX, INC. | $ARDX | RAAB MICHAEL | President & CEO | M | Common Stock | 35000 | $0.99 | 1,330,637.0000 | 0 | 2.70% | 0.00% |
| June 13, 2024 | ARDELYX, INC. | $ARDX | RAAB MICHAEL | President & CEO | M | Stock Option (Right to Buy) | 35000 | $0.00 | 665,000.0000 | 0 | 5.00% | 0.00% |
| June 13, 2024 | ARDELYX, INC. | $ARDX | RAAB MICHAEL | President & CEO | S | Common Stock | 35000 | $6.65 | 1,295,637.0000 | 0 | 2.63% | 0.00% |
| June 13, 2024 | Tempest Therapeutics, Inc. | $TPST | RAAB MICHAEL | Not found | A | Stock Option (right to buy) | 16000 | $0.00 | 16,000.0000 | 0 | 9999.99% | 0.00% |
| June 6, 2024 | AMICUS THERAPEUTICS, INC. | $FOLD | RAAB MICHAEL | Not found | A | Common Stock | 11847 | $0.00 | 95,443.0000 | 295,164,515 | 14.17% | 0.00% |
| June 6, 2024 | AMICUS THERAPEUTICS, INC. | $FOLD | RAAB MICHAEL | Not found | A | Stock Options (right to buy) | 42467 | $0.00 | 42,467.0000 | 295,164,515 | 9999.99% | 0.01% |
| May 29, 2024 | ARDELYX, INC. | $ARDX | RAAB MICHAEL | President & CEO | S | Common Stock | 7500 | $6.72 | 1,295,637.0000 | 0 | 0.58% | 0.00% |
| May 21, 2024 | ARDELYX, INC. | $ARDX | RAAB MICHAEL | President & CEO | S | Common Stock | 31484 | $7.81 | 1,303,137.0000 | 0 | 2.36% | 0.00% |
| May 14, 2024 | ARDELYX, INC. | $ARDX | RAAB MICHAEL | President & CEO | S | Common Stock | 3000 | $7.99 | 1,333,297.0000 | 0 | 0.22% | 0.00% |
| April 29, 2024 | ARDELYX, INC. | $ARDX | RAAB MICHAEL | President & CEO | M | Stock Option (Right to Buy) | 30000 | $0.00 | 670,000.0000 | 0 | 4.29% | 0.00% |
| April 29, 2024 | ARDELYX, INC. | $ARDX | RAAB MICHAEL | President & CEO | M | Common Stock | 30000 | $0.99 | 1,366,297.0000 | 0 | 2.25% | 0.00% |
| April 29, 2024 | ARDELYX, INC. | $ARDX | RAAB MICHAEL | President & CEO | S | Common Stock | 30000 | $6.40 | 1,336,297.0000 | 0 | 2.20% | 0.00% |
| April 15, 2024 | ARDELYX, INC. | $ARDX | RAAB MICHAEL | President & CEO | S | Common Stock | 7500 | $7.06 | 1,336,297.0000 | 0 | 0.56% | 0.00% |
| April 1, 2024 | ARDELYX, INC. | $ARDX | RAAB MICHAEL | President & CEO | S | Common Stock | 1518 | $7.31 | 1,343,797.0000 | 0 | 0.11% | 0.00% |
| March 5, 2024 | AMICUS THERAPEUTICS, INC. | $FOLD | RAAB MICHAEL | Not found | M | Stock Options (right to buy) | 15000 | $0.00 | 0.0000 | 295,164,515 | 100.00% | 0.01% |
| March 5, 2024 | AMICUS THERAPEUTICS, INC. | $FOLD | RAAB MICHAEL | Not found | M | Common Stock | 15000 | $2.80 | 83,596.0000 | 295,164,515 | 21.87% | 0.01% |
| Feb. 20, 2024 | ARDELYX, INC. | $ARDX | RAAB MICHAEL | President & CEO | S | Common Stock | 22917 | $8.75 | 1,345,315.0000 | 0 | 1.67% | 0.00% |
| Jan. 16, 2024 | ARDELYX, INC. | $ARDX | RAAB MICHAEL | President & CEO | A | Stock Option (Right to Buy) | 605904 | $0.00 | 605,904.0000 | 0 | 9999.99% | 0.00% |
| Jan. 16, 2024 | ARDELYX, INC. | $ARDX | RAAB MICHAEL | President & CEO | A | Common Stock | 475000 | $0.00 | 1,368,232.0000 | 0 | 53.18% | 0.00% |
| June 15, 2023 | Tempest Therapeutics, Inc. | $TPST | RAAB MICHAEL | Director | A | Stock Option (right to buy) | 8200 | $0.00 | 8,200.0000 | 0 | 9999.99% | 0.00% |
| June 8, 2023 | AMICUS THERAPEUTICS, INC. | $FOLD | RAAB MICHAEL | Director | A | Stock Options (right to buy) | 30474 | $0.00 | 30,474.0000 | 289,057,198 | 9999.99% | 0.01% |
| June 8, 2023 | AMICUS THERAPEUTICS, INC. | $FOLD | RAAB MICHAEL | Director | A | Common Stock | 8584 | $0.00 | 68,596.0000 | 289,057,198 | 14.30% | 0.00% |
| March 17, 2023 | AMICUS THERAPEUTICS, INC. | $FOLD | RAAB MICHAEL | Director | S | Common Stock | 4408 | $11.33 | 60,012.0000 | 289,057,198 | 6.84% | 0.00% |
| March 17, 2023 | AMICUS THERAPEUTICS, INC. | $FOLD | RAAB MICHAEL | Director | M | Common Stock | 15000 | $3.32 | 64,420.0000 | 289,057,198 | 30.35% | 0.01% |
| March 17, 2023 | AMICUS THERAPEUTICS, INC. | $FOLD | RAAB MICHAEL | Director | M | Stock Options (right to buy) | 15000 | $0.00 | 0.0000 | 289,057,198 | 100.00% | 0.01% |