Catalyst Pharmaceuticals Inc (CPRX)
Who owns Catalyst Pharmaceuticals Inc (CPRX)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 94.4% of the shares are freely tradable; institutional investors hold 89.8%.
Ownership Structure
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| BlackRock Inc | 15.32 | 18,774,530 | +0.8 | 03/31/2026 |
| Vanguard Group Inc | 6.88 | 8,432,247 | -3.2 | 12/31/2025 |
| State Street Corp | 5.60 | 6,863,060 | -0.6 | 03/31/2026 |
| Vanguard Capital Management, LLC | 4.18 | 5,122,666 | +0.0 | 03/31/2026 |
| American Century Companies Inc | 3.38 | 4,138,416 | +36.8 | 03/31/2026 |
| Deerfield Management Co | 3.22 | 3,943,600 | -19.7 | 03/31/2026 |
| Dimensional Fund Advisors, Inc. | 2.80 | 3,429,615 | +14.5 | 03/31/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| iShares Core S&P Small-Cap ETF | 5.72 | 7,007,375 | +0.0 | 05/29/2026 |
| Avantis US Small Cap Value ETF | 3.40 | 4,166,431 | +0.1 | 05/30/2026 |
| Vanguard Total Stock Mkt Idx Inv | 3.04 | 3,725,949 | +0.3 | 04/30/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Insider Transactions
| Date | Person | Role | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 15. Jul 2026 | Tierney David S | Director | Other | 383,314 | 31.50 | 12,074,391 |
| 15. Jul 2026 | Thompson Tamar | Director | Other | 3,773 | 31.50 | 118,850 |
| 15. Jul 2026 | Sundaram Preethi | Chief Strategy Officer | Other | 54,804 | 31.50 | 1,726,326 |
| 15. Jul 2026 | Russo Gregg | Chief HR Officer | Other | 476 | 31.50 | 14,994 |
| 15. Jul 2026 | Miller Steve | Chief Op. & Scientific Officer | Other | 1,093,803 | 31.50 | 34,454,795 |
| 15. Jul 2026 | Mcenany Patrick J | Director | Other | 4,171,559 | 31.50 | 131,404,109 |
| 15. Jul 2026 | Kalb Michael Wayne | Chief Financial Officer | Other | 13,665 | 31.50 | 430,448 |
| 15. Jul 2026 | Harper Molly | Director | Other | 3,694 | 31.50 | 116,361 |
| 15. Jul 2026 | Elsbernd Brian | Chief Legal Officer | Other | 242,501 | 31.50 | 7,638,782 |
| 15. Jul 2026 | Denkhaus Donald A | Director | Other | 498,773 | 31.50 | 15,711,350 |
| 15. Jul 2026 | Del Carmen Jeffrey | Chief Commercial Officer | Other | 14,337 | 31.50 | 451,616 |
| 15. Jul 2026 | Daly Richard J | President and CEO | Other | 271,266 | 31.50 | 8,544,879 |
| 15. Jul 2026 | Andrews William T. | Chief Medical Officer | Other | 2,309 | 31.50 | 72,734 |
Reportable transactions by officers and major shareholders from SEC Form 4 filings. "Other" includes things like stock grants and option exercises without a buy/sell character.
View all insider transactions →Data as of: July 21, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)
Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.