DENKHAUS DONALD A has filed 32 insider transactions across 1 company since January 2023.
Most recent transaction: a option exercise of 1334 shares of CATALYST PHARMACEUTICALS, INC. ($CPRX) on December 29, 2025.
| 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 | DENKHAUS DONALD A | Director | M | Restricted Stock Units | 1334 | $0.00 | 178,163.0000 | 127,201,954 | 0.74% | 0.00% |
| Dec. 29, 2025 | CATALYST PHARMACEUTICALS, INC. | $CPRX | DENKHAUS DONALD A | Director | M | Common Stock, par value $0.001 per share | 1334 | $0.00 | 498,773.0000 | 127,201,954 | 0.27% | 0.00% |
| Dec. 8, 2025 | CATALYST PHARMACEUTICALS, INC. | $CPRX | DENKHAUS DONALD A | Director | M | Common Stock, par value $0.001 per share | 1413 | $0.00 | 497,439.0000 | 127,201,954 | 0.28% | 0.00% |
| Dec. 8, 2025 | CATALYST PHARMACEUTICALS, INC. | $CPRX | DENKHAUS DONALD A | Director | M | Restricted Stock Units | 1413 | $0.00 | 179,497.0000 | 127,201,954 | 0.78% | 0.00% |
| Nov. 20, 2025 | CATALYST PHARMACEUTICALS, INC. | $CPRX | DENKHAUS DONALD A | Director | A | Restricted Stock Units | 5468 | $0.00 | 181,857.0000 | 127,201,954 | 3.10% | 0.00% |
| Nov. 21, 2025 | CATALYST PHARMACEUTICALS, INC. | $CPRX | DENKHAUS DONALD A | Director | M | Common Stock, par value $0.001 per share | 947 | $0.00 | 496,026.0000 | 127,201,954 | 0.19% | 0.00% |
| Nov. 20, 2025 | CATALYST PHARMACEUTICALS, INC. | $CPRX | DENKHAUS DONALD A | Director | A | Options to purchase common stock | 18115 | $0.00 | 176,389.0000 | 127,201,954 | 11.45% | 0.01% |
| Nov. 21, 2025 | CATALYST PHARMACEUTICALS, INC. | $CPRX | DENKHAUS DONALD A | Director | M | Restricted Stock Units | 947 | $0.00 | 180,910.0000 | 127,201,954 | 0.52% | 0.00% |
| Feb. 14, 2025 | CATALYST PHARMACEUTICALS, INC. | $CPRX | DENKHAUS DONALD A | Director | M | Common Stock, par value $0.001 per share | 4000 | $0.00 | 495,079.0000 | 124,943,603 | 0.81% | 0.00% |
| Feb. 14, 2025 | CATALYST PHARMACEUTICALS, INC. | $CPRX | DENKHAUS DONALD A | Director | M | Restricted Stock Units | 4000 | $0.00 | 158,274.0000 | 124,943,603 | 2.46% | 0.00% |
| Jan. 8, 2025 | CATALYST PHARMACEUTICALS, INC. | $CPRX | DENKHAUS DONALD A | Director | M | Common Stock, par value $0.001 per share | 50000 | $2.24 | 491,079.0000 | 124,943,603 | 11.34% | 0.04% |
| Jan. 8, 2025 | CATALYST PHARMACEUTICALS, INC. | $CPRX | DENKHAUS DONALD A | Director | M | Options to purchase common stock | 50000 | $0.00 | 162,274.0000 | 124,943,603 | 23.55% | 0.04% |
| Dec. 27, 2024 | CATALYST PHARMACEUTICALS, INC. | $CPRX | DENKHAUS DONALD A | 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 | DENKHAUS DONALD A | Director | M | Common Stock, par value $0.001 per share | 1333 | $0.00 | 441,079.0000 | 125,407,279 | 0.30% | 0.00% |
| Dec. 9, 2024 | CATALYST PHARMACEUTICALS, INC. | $CPRX | DENKHAUS DONALD A | Director | M | Restricted Stock Units | 1413 | $0.00 | 213,607.0000 | 125,407,279 | 0.66% | 0.00% |
| Dec. 9, 2024 | CATALYST PHARMACEUTICALS, INC. | $CPRX | DENKHAUS DONALD A | Director | M | Common Stock, par value $0.001 per share | 1413 | $0.00 | 439,746.0000 | 125,407,279 | 0.32% | 0.00% |
| Nov. 21, 2024 | CATALYST PHARMACEUTICALS, INC. | $CPRX | DENKHAUS DONALD A | Director | A | Options to purchase common stock | 23248 | $0.00 | 212,179.0000 | 125,407,279 | 12.31% | 0.02% |
| Nov. 21, 2024 | CATALYST PHARMACEUTICALS, INC. | $CPRX | DENKHAUS DONALD A | Director | A | Restricted Stock Units | 2841 | $0.00 | 215,020.0000 | 125,407,279 | 1.34% | 0.00% |
| Feb. 15, 2024 | CATALYST PHARMACEUTICALS, INC. | $CPRX | DENKHAUS DONALD A | Director | M | Common Stock, par value $0.001 per share | 4000 | $0.00 | 438,333.0000 | 113,753,154 | 0.92% | 0.00% |
| Feb. 15, 2024 | CATALYST PHARMACEUTICALS, INC. | $CPRX | DENKHAUS DONALD A | Director | M | Restricted Stock Units | 4000 | $0.00 | 188,931.0000 | 113,753,154 | 2.07% | 0.00% |
| Feb. 5, 2024 | CATALYST PHARMACEUTICALS, INC. | $CPRX | DENKHAUS DONALD A | Director | M | Common Stock, par value $0.001 per share | 40000 | $4.01 | 434,333.0000 | 113,753,154 | 10.14% | 0.04% |
| Feb. 5, 2024 | CATALYST PHARMACEUTICALS, INC. | $CPRX | DENKHAUS DONALD A | Director | M | Options to purchase common stock | 40000 | $0.00 | 192,931.0000 | 113,753,154 | 17.17% | 0.04% |
| Dec. 27, 2023 | CATALYST PHARMACEUTICALS, INC. | $CPRX | DENKHAUS DONALD A | Director | M | Common Stock, par value $0.001 per share | 1333 | $0.00 | 394,333.0000 | 111,375,631 | 0.34% | 0.00% |
| Dec. 27, 2023 | CATALYST PHARMACEUTICALS, INC. | $CPRX | DENKHAUS DONALD A | Director | M | Restricted Stock Units | 1333 | $0.00 | 232,931.0000 | 111,375,631 | 0.57% | 0.00% |
| Dec. 8, 2023 | CATALYST PHARMACEUTICALS, INC. | $CPRX | DENKHAUS DONALD A | Director | A | Restricted Stock Units | 4240 | $0.00 | 234,264.0000 | 111,375,631 | 1.84% | 0.00% |
| Dec. 8, 2023 | CATALYST PHARMACEUTICALS, INC. | $CPRX | DENKHAUS DONALD A | Director | A | Options to purchase common stock | 29524 | $0.00 | 230,024.0000 | 111,375,631 | 14.73% | 0.03% |
| Aug. 3, 2023 | CATALYST PHARMACEUTICALS, INC. | $CPRX | DENKHAUS DONALD A | Director | M | Options to purchase common stock | 60000 | $0.00 | 200,500.0000 | 111,375,631 | 23.03% | 0.05% |
| Aug. 3, 2023 | CATALYST PHARMACEUTICALS, INC. | $CPRX | DENKHAUS DONALD A | Director | M | Common stock, par value $0.001 per share | 60000 | $1.13 | 393,000.0000 | 111,375,631 | 18.02% | 0.05% |
| Feb. 15, 2023 | CATALYST PHARMACEUTICALS, INC. | $CPRX | DENKHAUS DONALD A | Director | M | Common Stock, par value $0.001 per share | 4000 | $0.00 | 333,000.0000 | 111,375,631 | 1.22% | 0.00% |
| Feb. 15, 2023 | CATALYST PHARMACEUTICALS, INC. | $CPRX | DENKHAUS DONALD A | Director | M | Restricted Stock Units | 4000 | $0.00 | 260,500.0000 | 111,375,631 | 1.51% | 0.00% |
| Jan. 24, 2023 | CATALYST PHARMACEUTICALS, INC. | $CPRX | DENKHAUS DONALD A | Director | M | Common stock, par value $0.001 per share | 50000 | $0.79 | 329,000.0000 | 111,375,631 | 17.92% | 0.04% |
| Jan. 24, 2023 | CATALYST PHARMACEUTICALS, INC. | $CPRX | DENKHAUS DONALD A | Director | M | Options to purchase common stock | 50000 | $0.00 | 264,500.0000 | 111,375,631 | 15.90% | 0.04% |