Steve Miller, Chief Operating and Scientific Officer at Catalyst Pharmaceuticals ($CPRX), made one open market sale of company shares over the past year, totaling $2.33 million. His most recent sale occurred on August 26, 2025. These sales rank 3,187th among 11,678 insiders in the database by total value sold, below the average of $8.6 million across about 6.4 transactions per insider. Miller had 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dec. 29, 2025 | CATALYST PHARMACEUTICALS, INC. | $CPRX | Miller Steve | Chief Op. & Scientific Officer | M | Common stock, par value $0.001 per share | 14000 | $0.00 | 1,093,803.0000 | 127,201,954 | 1.30% | 0.01% |
| Dec. 29, 2025 | CATALYST PHARMACEUTICALS, INC. | $CPRX | Miller Steve | Chief Op. & Scientific Officer | M | Restricted Stock Units | 14000 | $0.00 | 1,471,649.0000 | 127,201,954 | 0.94% | 0.01% |
| Dec. 8, 2025 | CATALYST PHARMACEUTICALS, INC. | $CPRX | Miller Steve | Chief Op. & Scientific Officer | M | Restricted Stock Units | 11873 | $0.00 | 1,485,649.0000 | 127,201,954 | 0.79% | 0.01% |
| Dec. 8, 2025 | CATALYST PHARMACEUTICALS, INC. | $CPRX | Miller Steve | Chief Op. & Scientific Officer | M | Common stock, par value $0.001 per share | 11873 | $0.00 | 1,079,803.0000 | 127,201,954 | 1.11% | 0.01% |
| Nov. 20, 2025 | CATALYST PHARMACEUTICALS, INC. | $CPRX | Miller Steve | Chief Op. & Scientific Officer | A | Restricted Stock Units | 47826 | $0.00 | 1,489,255.0000 | 127,201,954 | 3.32% | 0.04% |
| Nov. 21, 2025 | CATALYST PHARMACEUTICALS, INC. | $CPRX | Miller Steve | Chief Op. & Scientific Officer | M | Restricted Stock Units | 8267 | $0.00 | 1,497,522.0000 | 127,201,954 | 0.55% | 0.01% |
| Nov. 20, 2025 | CATALYST PHARMACEUTICALS, INC. | $CPRX | Miller Steve | Chief Op. & Scientific Officer | A | Options to purchase common stock | 158454 | $0.00 | 1,457,963.0000 | 127,201,954 | 12.19% | 0.12% |
| Nov. 21, 2025 | CATALYST PHARMACEUTICALS, INC. | $CPRX | Miller Steve | Chief Op. & Scientific Officer | M | Common stock, par value $0.001 per share | 8267 | $0.00 | 1,067,930.0000 | 127,201,954 | 0.78% | 0.01% |
| Aug. 27, 2025 | CATALYST PHARMACEUTICALS, INC. | $CPRX | Miller Steve | Chief Op. & Scientific Officer | M | Common stock, par value $0.001 per share | 110000 | $2.24 | 1,059,663.0000 | 124,943,603 | 11.58% | 0.09% |
| Aug. 26, 2025 | CATALYST PHARMACEUTICALS, INC. | $CPRX | Miller Steve | Chief Op. & Scientific Officer | M | Common stock, par value $0.001 per share | 115000 | $2.24 | 1,064,663.0000 | 124,943,603 | 12.11% | 0.09% |
| Aug. 27, 2025 | CATALYST PHARMACEUTICALS, INC. | $CPRX | Miller Steve | Chief Op. & Scientific Officer | M | Options to purchase common stock | 110000 | $0.00 | 1,299,509.0000 | 124,943,603 | 7.80% | 0.09% |
| Aug. 26, 2025 | CATALYST PHARMACEUTICALS, INC. | $CPRX | Miller Steve | Chief Op. & Scientific Officer | M | Options to purchase common stock | 115000 | $0.00 | 1,409,509.0000 | 124,943,603 | 7.54% | 0.09% |
| Aug. 26, 2025 | CATALYST PHARMACEUTICALS, INC. | $CPRX | Miller Steve | Chief Op. & Scientific Officer | S | Common stock, par value $0.001 per share | 115000 | $20.28 | 949,663.0000 | 124,943,603 | 10.80% | 0.09% |
| Feb. 14, 2025 | CATALYST PHARMACEUTICALS, INC. | $CPRX | Miller Steve | Chief Op. & Scientific Officer | M | Common stock, par value $0.001 per share | 13667 | $0.00 | 949,663.0000 | 124,943,603 | 1.46% | 0.01% |
| Feb. 14, 2025 | CATALYST PHARMACEUTICALS, INC. | $CPRX | Miller Steve | Chief Op. & Scientific Officer | M | Restricted Stock Units | 13667 | $0.00 | 1,524,509.0000 | 124,943,603 | 0.89% | 0.01% |
| Dec. 27, 2024 | CATALYST PHARMACEUTICALS, INC. | $CPRX | Miller Steve | Chief Op. & Scientific Officer | M | Common stock, par value $0.001 per share | 14000 | $0.00 | 935,996.0000 | 125,407,279 | 1.52% | 0.01% |
| Dec. 27, 2024 | CATALYST PHARMACEUTICALS, INC. | $CPRX | Miller Steve | Chief Op. & Scientific Officer | M | Restricted Stock Units | 14000 | $0.00 | 1,538,176.0000 | 125,407,279 | 0.90% | 0.01% |
| Dec. 13, 2024 | CATALYST PHARMACEUTICALS, INC. | $CPRX | Miller Steve | Chief Op. & Scientific Officer | M | Options to purchase common stock | 235000 | $0.00 | 1,552,176.0000 | 125,407,279 | 13.15% | 0.19% |
| Dec. 13, 2024 | CATALYST PHARMACEUTICALS, INC. | $CPRX | Miller Steve | Chief Op. & Scientific Officer | M | Common stock, par value $0.001 per share | 235000 | $4.01 | 921,996.0000 | 125,407,279 | 34.21% | 0.19% |
| Dec. 10, 2024 | CATALYST PHARMACEUTICALS, INC. | $CPRX | Miller Steve | Chief Op. & Scientific Officer | S | Common stock, par value $0.001 per share | 50000 | $21.93 | 686,996.0000 | 125,407,279 | 6.78% | 0.04% |
| Dec. 9, 2024 | CATALYST PHARMACEUTICALS, INC. | $CPRX | Miller Steve | Chief Op. & Scientific Officer | M | Restricted Stock Units | 11872 | $0.00 | 1,837,176.0000 | 125,407,279 | 0.64% | 0.01% |
| Dec. 10, 2024 | CATALYST PHARMACEUTICALS, INC. | $CPRX | Miller Steve | Chief Op. & Scientific Officer | M | Options to purchase common stock | 50000 | $0.00 | 1,787,176.0000 | 125,407,279 | 2.72% | 0.04% |
| Dec. 9, 2024 | CATALYST PHARMACEUTICALS, INC. | $CPRX | Miller Steve | Chief Op. & Scientific Officer | M | Common stock, par value $0.001 per share | 11872 | $0.00 | 686,996.0000 | 125,407,279 | 1.76% | 0.01% |
| Dec. 10, 2024 | CATALYST PHARMACEUTICALS, INC. | $CPRX | Miller Steve | Chief Op. & Scientific Officer | M | Common stock, par value $0.001 per share | 50000 | $4.01 | 736,996.0000 | 125,407,279 | 7.28% | 0.04% |
| Nov. 21, 2024 | CATALYST PHARMACEUTICALS, INC. | $CPRX | Miller Steve | Chief Op. & Scientific Officer | A | Restricted Stock Units | 24801 | $0.00 | 1,849,048.0000 | 125,407,279 | 1.36% | 0.02% |
| Nov. 21, 2024 | CATALYST PHARMACEUTICALS, INC. | $CPRX | Miller Steve | Chief Op. & Scientific Officer | A | Options to purchase common stock | 202958 | $0.00 | 1,824,247.0000 | 125,407,279 | 12.52% | 0.16% |
| Aug. 20, 2024 | CATALYST PHARMACEUTICALS, INC. | $CPRX | Miller Steve | Chief Op. & Scientific Officer | S | Common stock, par value $0.001 per share | 50000 | $20.59 | 675,124.0000 | 113,753,154 | 6.90% | 0.04% |
| Aug. 20, 2024 | CATALYST PHARMACEUTICALS, INC. | $CPRX | Miller Steve | Chief Op. & Scientific Officer | S | Common stock, par value $0.001 per share | 50000 | $20.21 | 725,124.0000 | 113,753,154 | 6.45% | 0.04% |
| Aug. 20, 2024 | CATALYST PHARMACEUTICALS, INC. | $CPRX | Miller Steve | Chief Op. & Scientific Officer | S | Common stock, par value $0.001 per share | 50000 | $20.26 | 775,124.0000 | 113,753,154 | 6.06% | 0.04% |
| Feb. 15, 2024 | CATALYST PHARMACEUTICALS, INC. | $CPRX | Miller Steve | Chief Op. & Scientific Officer | M | Restricted Stock Units | 13667 | $0.00 | 1,621,289.0000 | 113,753,154 | 0.84% | 0.01% |
| Feb. 15, 2024 | CATALYST PHARMACEUTICALS, INC. | $CPRX | Miller Steve | Chief Op. & Scientific Officer | M | Common stock, par value $0.001 per share | 13667 | $0.00 | 825,124.0000 | 113,753,154 | 1.68% | 0.01% |
| Dec. 27, 2023 | CATALYST PHARMACEUTICALS, INC. | $CPRX | Miller Steve | Chief Op. & Scientific Officer | M | Common stock, par value $0.001 per share | 14000 | $0.00 | 811,457.0000 | 111,375,631 | 1.76% | 0.01% |
| Dec. 27, 2023 | CATALYST PHARMACEUTICALS, INC. | $CPRX | Miller Steve | Chief Op. & Scientific Officer | M | Restricted Stock Units | 14000 | $0.00 | 1,634,956.0000 | 111,375,631 | 0.85% | 0.01% |
| Dec. 11, 2023 | CATALYST PHARMACEUTICALS, INC. | $CPRX | Miller Steve | Chief Op. & Scientific Officer | M | Common stock, par value $0.001 per share | 150000 | $1.13 | 797,457.0000 | 111,375,631 | 23.17% | 0.13% |
| Dec. 11, 2023 | CATALYST PHARMACEUTICALS, INC. | $CPRX | Miller Steve | Chief Op. & Scientific Officer | M | Options to purchase common stock | 150000 | $0.00 | 1,648,956.0000 | 111,375,631 | 8.34% | 0.13% |
| Dec. 8, 2023 | CATALYST PHARMACEUTICALS, INC. | $CPRX | Miller Steve | Chief Op. & Scientific Officer | A | Options to purchase common stock | 248004 | $0.00 | 1,763,338.0000 | 111,375,631 | 16.37% | 0.22% |
| Dec. 8, 2023 | CATALYST PHARMACEUTICALS, INC. | $CPRX | Miller Steve | Chief Op. & Scientific Officer | A | Restricted Stock Units | 35618 | $0.00 | 1,798,956.0000 | 111,375,631 | 2.02% | 0.03% |
| Dec. 5, 2023 | CATALYST PHARMACEUTICALS, INC. | $CPRX | Miller Steve | Chief Op. & Scientific Officer | S | Common stock, par value $0.001 per share | 40000 | $14.24 | 647,457.0000 | 111,375,631 | 5.82% | 0.04% |
| May 11, 2023 | CATALYST PHARMACEUTICALS, INC. | $CPRX | Miller Steve | Chief Operating Officer | M | Options to purchase common stock | 100000 | $0.00 | 1,515,334.0000 | 111,375,631 | 6.19% | 0.09% |
| May 11, 2023 | CATALYST PHARMACEUTICALS, INC. | $CPRX | Miller Steve | Chief Operating Officer | M | Common stock, par value $0.001 per share | 100000 | $0.79 | 687,457.0000 | 111,375,631 | 17.02% | 0.09% |
| Feb. 15, 2023 | CATALYST PHARMACEUTICALS, INC. | $CPRX | Miller Steve | Chief Operating Officer | M | Restricted Stock Units | 13666 | $0.00 | 1,615,334.0000 | 111,375,631 | 0.84% | 0.01% |
| Feb. 15, 2023 | CATALYST PHARMACEUTICALS, INC. | $CPRX | Miller Steve | Chief Operating Officer | M | Common stock, par value $0.001 per share | 13666 | $0.00 | 587,457.0000 | 111,375,631 | 2.38% | 0.01% |