Director Tierney David S, a Catalyst Pharmaceuticals ($CPRX) insider, sold shares once on the open market in the last year for a total of $525 thousand, with the most recent sale on August 27, 2025. This ranks him 6,322nd out of 11,678 insiders by sales value, well below the average of $8.6 million across about 6.4 transactions per insider. He made no open market purchases in the 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 | Tierney David S | Director | M | Common Stock, par value $0.001 per share | 1334 | $0.00 | 383,314.0000 | 127,201,954 | 0.35% | 0.00% |
| Dec. 29, 2025 | CATALYST PHARMACEUTICALS, INC. | $CPRX | Tierney David S | Director | M | Restricted Stock Units | 1334 | $0.00 | 178,163.0000 | 127,201,954 | 0.74% | 0.00% |
| Dec. 8, 2025 | CATALYST PHARMACEUTICALS, INC. | $CPRX | Tierney David S | Director | M | Restricted Stock Units | 1413 | $0.00 | 179,497.0000 | 127,201,954 | 0.78% | 0.00% |
| Dec. 8, 2025 | CATALYST PHARMACEUTICALS, INC. | $CPRX | Tierney David S | Director | M | Common Stock, par value $0.001 per share | 1413 | $0.00 | 381,980.0000 | 127,201,954 | 0.37% | 0.00% |
| Nov. 21, 2025 | CATALYST PHARMACEUTICALS, INC. | $CPRX | Tierney David S | Director | M | Restricted Stock Units | 947 | $0.00 | 180,910.0000 | 127,201,954 | 0.52% | 0.00% |
| Nov. 21, 2025 | CATALYST PHARMACEUTICALS, INC. | $CPRX | Tierney David S | Director | M | Common Stock, par value $0.001 per share | 947 | $0.00 | 380,567.0000 | 127,201,954 | 0.25% | 0.00% |
| Nov. 20, 2025 | CATALYST PHARMACEUTICALS, INC. | $CPRX | Tierney David S | Director | A | Options to purchase common stock | 18115 | $0.00 | 176,389.0000 | 127,201,954 | 11.45% | 0.01% |
| Nov. 20, 2025 | CATALYST PHARMACEUTICALS, INC. | $CPRX | Tierney David S | Director | A | Restricted Stock Units | 5468 | $0.00 | 181,857.0000 | 127,201,954 | 3.10% | 0.00% |
| Aug. 27, 2025 | CATALYST PHARMACEUTICALS, INC. | $CPRX | Tierney David S | Director | M | Common Stock, par value $0.001 per share | 50000 | $2.24 | 405,620.0000 | 124,943,603 | 14.06% | 0.04% |
| Aug. 27, 2025 | CATALYST PHARMACEUTICALS, INC. | $CPRX | Tierney David S | Director | M | Options to purchase common stock | 50000 | $0.00 | 158,274.0000 | 124,943,603 | 24.01% | 0.04% |
| Aug. 27, 2025 | CATALYST PHARMACEUTICALS, INC. | $CPRX | Tierney David S | Director | S | Common Stock, par value $0.001 per share | 26000 | $20.20 | 379,620.0000 | 124,943,603 | 6.41% | 0.02% |
| Feb. 14, 2025 | CATALYST PHARMACEUTICALS, INC. | $CPRX | Tierney David S | Director | M | Restricted Stock Units | 4000 | $0.00 | 208,274.0000 | 124,943,603 | 1.88% | 0.00% |
| Feb. 14, 2025 | CATALYST PHARMACEUTICALS, INC. | $CPRX | Tierney David S | Director | M | Common Stock, par value $0.001 per share | 4000 | $0.00 | 355,620.0000 | 124,943,603 | 1.14% | 0.00% |
| Dec. 27, 2024 | CATALYST PHARMACEUTICALS, INC. | $CPRX | Tierney David S | Director | M | Restricted Stock Units | 1333 | $0.00 | 212,274.0000 | 125,407,279 | 0.62% | 0.00% |
| Dec. 27, 2024 | CATALYST PHARMACEUTICALS, INC. | $CPRX | Tierney David S | Director | M | Common Stock, par value $0.001 per share | 1333 | $0.00 | 351,620.0000 | 125,407,279 | 0.38% | 0.00% |
| Dec. 9, 2024 | CATALYST PHARMACEUTICALS, INC. | $CPRX | Tierney David S | Director | M | Common Stock, par value $0.001 per share | 1413 | $0.00 | 350,287.0000 | 125,407,279 | 0.41% | 0.00% |
| Dec. 9, 2024 | CATALYST PHARMACEUTICALS, INC. | $CPRX | Tierney David S | Director | M | Restricted Stock Units | 1413 | $0.00 | 213,607.0000 | 125,407,279 | 0.66% | 0.00% |
| Nov. 21, 2024 | CATALYST PHARMACEUTICALS, INC. | $CPRX | Tierney David S | Director | A | Restricted Stock Units | 2841 | $0.00 | 215,020.0000 | 125,407,279 | 1.34% | 0.00% |
| Nov. 21, 2024 | CATALYST PHARMACEUTICALS, INC. | $CPRX | Tierney David S | Director | A | Options to purchase common stock | 23248 | $0.00 | 212,179.0000 | 125,407,279 | 12.31% | 0.02% |
| Aug. 22, 2024 | CATALYST PHARMACEUTICALS, INC. | $CPRX | Tierney David S | Director | M | Options to purchase common stock | 15000 | $0.00 | 188,931.0000 | 113,753,154 | 8.62% | 0.01% |
| Aug. 21, 2024 | CATALYST PHARMACEUTICALS, INC. | $CPRX | Tierney David S | Director | S | Common stock, par value $0.001 per share | 15000 | $20.10 | 348,874.0000 | 113,753,154 | 4.12% | 0.01% |
| Aug. 21, 2024 | CATALYST PHARMACEUTICALS, INC. | $CPRX | Tierney David S | Director | M | Common stock, par value $0.001 per share | 15000 | $4.01 | 363,874.0000 | 113,753,154 | 4.30% | 0.01% |
| April 8, 2024 | CATALYST PHARMACEUTICALS, INC. | $CPRX | Tierney David S | Director | M | Options to purchase common stock | 25000 | $0.00 | 203,931.0000 | 113,753,154 | 13.97% | 0.02% |
| April 8, 2024 | CATALYST PHARMACEUTICALS, INC. | $CPRX | Tierney David S | Director | S | Common stock, par value $0.001 per share | 25000 | $15.68 | 348,874.0000 | 113,753,154 | 6.69% | 0.02% |
| April 8, 2024 | CATALYST PHARMACEUTICALS, INC. | $CPRX | Tierney David S | Director | M | Common stock, par value $0.001 per share | 25000 | $4.01 | 373,874.0000 | 113,753,154 | 7.17% | 0.02% |
| Feb. 15, 2024 | CATALYST PHARMACEUTICALS, INC. | $CPRX | Tierney David S | Director | M | Restricted Stock Units | 4000 | $0.00 | 228,931.0000 | 113,753,154 | 1.72% | 0.00% |
| Feb. 15, 2024 | CATALYST PHARMACEUTICALS, INC. | $CPRX | Tierney David S | Director | M | Common Stock, Par Value $0.001 per share | 4000 | $0.00 | 348,874.0000 | 113,753,154 | 1.16% | 0.00% |
| Jan. 2, 2024 | CATALYST PHARMACEUTICALS, INC. | $CPRX | Tierney David S | Director | M | Options to purchase common stock | 10000 | $0.00 | 232,931.0000 | 113,753,154 | 4.12% | 0.01% |
| Jan. 2, 2024 | CATALYST PHARMACEUTICALS, INC. | $CPRX | Tierney David S | Director | M | Common Stock, Par Value $0.001 per share | 10000 | $1.13 | 344,874.0000 | 113,753,154 | 2.99% | 0.01% |
| Dec. 27, 2023 | CATALYST PHARMACEUTICALS, INC. | $CPRX | Tierney David S | Director | M | Restricted Stock Units | 1333 | $0.00 | 242,931.0000 | 111,375,631 | 0.55% | 0.00% |
| Dec. 27, 2023 | CATALYST PHARMACEUTICALS, INC. | $CPRX | Tierney David S | Director | M | Common Stock, Par Value $0.001 per share | 1333 | $0.00 | 334,874.0000 | 111,375,631 | 0.40% | 0.00% |
| Dec. 12, 2023 | CATALYST PHARMACEUTICALS, INC. | $CPRX | Tierney David S | Director | S | Common stock, par value $0.001 per share | 50000 | $13.33 | 333,541.0000 | 111,375,631 | 13.04% | 0.04% |
| Dec. 12, 2023 | CATALYST PHARMACEUTICALS, INC. | $CPRX | Tierney David S | Director | M | Options to purchase common stock | 50000 | $0.00 | 244,264.0000 | 111,375,631 | 25.74% | 0.04% |
| Dec. 12, 2023 | CATALYST PHARMACEUTICALS, INC. | $CPRX | Tierney David S | Director | M | Common stock, par value $0.001 per share | 50000 | $1.13 | 383,541.0000 | 111,375,631 | 14.99% | 0.04% |
| Dec. 8, 2023 | CATALYST PHARMACEUTICALS, INC. | $CPRX | Tierney David S | Director | A | Options to purchase common stock | 29524 | $0.00 | 290,024.0000 | 111,375,631 | 11.33% | 0.03% |
| Dec. 8, 2023 | CATALYST PHARMACEUTICALS, INC. | $CPRX | Tierney David S | Director | A | Restricted Stock Units | 4240 | $0.00 | 294,264.0000 | 111,375,631 | 1.46% | 0.00% |
| May 11, 2023 | CATALYST PHARMACEUTICALS, INC. | $CPRX | Tierney David S | Director | M | Options to purchase common stock | 20000 | $0.00 | 260,500.0000 | 111,375,631 | 7.13% | 0.02% |
| May 11, 2023 | CATALYST PHARMACEUTICALS, INC. | $CPRX | Tierney David S | Director | M | Common stock, par value $0.001 per share | 20000 | $0.79 | 333,541.0000 | 111,375,631 | 6.38% | 0.02% |
| April 5, 2023 | CATALYST PHARMACEUTICALS, INC. | $CPRX | Tierney David S | Director | S | Common stock, par value $0.001 per share | 30000 | $16.83 | 313,541.0000 | 111,375,631 | 8.73% | 0.03% |
| April 5, 2023 | CATALYST PHARMACEUTICALS, INC. | $CPRX | Tierney David S | Director | M | Common stock, par value $0.001 per share | 30000 | $0.79 | 343,541.0000 | 111,375,631 | 9.57% | 0.03% |
| April 5, 2023 | CATALYST PHARMACEUTICALS, INC. | $CPRX | Tierney David S | Director | M | Options to purchase common stock | 30000 | $0.00 | 280,500.0000 | 111,375,631 | 9.66% | 0.03% |
| March 9, 2023 | ZEVRA THERAPEUTICS, INC. | $ZVRA | Tierney David S | Director | P | Common Stock | 5000 | $4.15 | 10,835.0000 | 0 | 85.69% | 0.00% |
| Feb. 15, 2023 | CATALYST PHARMACEUTICALS, INC. | $CPRX | Tierney David S | Director | M | Restricted Stock Units | 4000 | $0.00 | 310,500.0000 | 111,375,631 | 1.27% | 0.00% |
| Feb. 15, 2023 | CATALYST PHARMACEUTICALS, INC. | $CPRX | Tierney David S | Director | M | Common Stock, Par Value $0.001 per share | 4000 | $0.00 | 313,541.0000 | 111,375,631 | 1.29% | 0.00% |