Data spanning the past 90 days through January 10, 2026 reveals that Catalyst Pharmaceuticals's three principal insider shareholders consist of Director Patrick J Mcenany (4.17Mn shares), Chief Op. & Scientific Officer Steve Miller (1.09Mn shares), Director Charles B O'Keeffe (732.47K shares).
| Holder | Position | Shares | Report Date |
|---|---|---|---|
| Patrick J Mcenany | 4,171,559 | 30 Dec, 2025 | |
| Steve Miller | Chief Op. & Scientific Officer | 1,093,803 | 30 Dec, 2025 |
| Charles B O'Keeffe | 732,470 | 19 Feb, 2025 | |
| Donald A Denkhaus | 498,773 | 30 Dec, 2025 | |
| David S Tierney | 383,314 | 30 Dec, 2025 | |
| Richard J Daly | President And Ceo | 271,266 | 06 Jan, 2026 |
| Brian Elsbernd | Chief Compliance/Legal Officer | 242,501 | 30 Dec, 2025 |
| Philip H Coelho | 204,887 | 05 May, 2023 | |
| Gary Ingenito | Chief Med. & Reg. Officer | 68,873 | 15 May, 2025 |
| Alicia Grande | Vp And Treasurer And Cfo | 55,813 | 29 Dec, 2023 |
| Preethi Sundaram | Chief Strategy Officer | 54,804 | 30 Dec, 2025 |
| Carmen Jeffrey Del | Chief Commercial Officer | 14,337 | 30 Dec, 2025 |
| Michael Wayne Kalb | Executive Vice President & Cfo | 13,665 | 06 Jan, 2026 |
| Tamar Thompson | 3,773 | 10 Dec, 2025 | |
| Molly Harper | 3,694 | 30 Dec, 2025 |
* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.
| Transaction Date | Insider Name | Security Class | Transaction Type | Shares Traded | Price | Shares Remaining | Ownership | Code |
|---|---|---|---|---|---|---|---|---|
| 05 Jan, 2026 | Richard J Daly | Common Stock, par value $0.001 per share | A | 42,105 | - | 281,843 | D | M |
| 05 Jan, 2026 | Richard J Daly | Common Stock, par value $0.001 per share | D | 10,577 | - | 271,266 | D | F |
| 05 Jan, 2026 | Michael Wayne Kalb | Common Stock, par value $0.001 per share | D | 2,080 | - | 13,665 | D | F |
| 05 Jan, 2026 | Michael Wayne Kalb | Common Stock, par value $0.001 per share | A | 7,139 | - | 15,745 | D | M |
| 29 Dec, 2025 | Patrick J Mcenany | - | - | 4,171,559 | D | |||
| 29 Dec, 2025 | Patrick J Mcenany | Common Stock, par value $0.001 per share | A | 26,334 | - | 4,178,345 | D | M |
| 29 Dec, 2025 | Patrick J Mcenany | Common Stock, par value $0.001 per share | D | 6,786 | - | 4,171,559 | D | F |
| 29 Dec, 2025 | Donald A Denkhaus | Common Stock, par value $0.001 per share | A | 1,334 | - | 498,773 | D | M |
| 29 Dec, 2025 | David S Tierney | Common Stock, par value $0.001 per share | A | 1,334 | - | 383,314 | D | M |
| 29 Dec, 2025 | Steve Miller | Common stock, par value $0.001 per share | A | 14,000 | - | 1,093,803 | D | M |
| 29 Dec, 2025 | Steve Miller | - | - | 1,093,803 | D | |||
| 29 Dec, 2025 | Richard J Daly | Common Stock, par value $0.001 per share | A | 1,334 | - | 240,262 | D | M |
| 29 Dec, 2025 | Richard J Daly | Common Stock, par value $0.001 per share | D | 524 | - | 239,738 | D | F |
| 29 Dec, 2025 | Brian Elsbernd | Common Stock, par value $0.001 per share | D | 2,623 | - | 242,501 | D | F |
| 29 Dec, 2025 | Brian Elsbernd | Common Stock, par value $0.001 per share | A | 6,667 | - | 245,124 | D | M |
| 29 Dec, 2025 | Carmen Jeffrey Del | Common Stock, par value $0.001 per share | A | 8,667 | - | 18,176 | D | M |
| 29 Dec, 2025 | Carmen Jeffrey Del | Common Stock, par value $0.001 per share | D | 3,839 | - | 14,337 | D | F |
| 29 Dec, 2025 | Molly Harper | Common Stock, par value $0.001 per share | A | 1,334 | - | 3,694 | D | M |
| 29 Dec, 2025 | Preethi Sundaram | Common Stock, par value $0.001 per share | A | 6,667 | - | 57,173 | D | M |
| 29 Dec, 2025 | Preethi Sundaram | Common Stock, par value $0.001 per share | D | 2,369 | - | 54,804 | D | F |