Catalyst Pharmaceuticals, Inc.
CPRXDelisted Jul 15, 2026- Industry
- Pharmaceutical Preparations
- SEC CIK
- 0001369568
Catalyst Pharmaceuticals, Inc. was delisted on Jul 15, 2026; its insiders filed their last Form 4 on Jul 17, 2026; 395 institutions reported holding it in 13F filings for Q2 2026, worth $3.39B in total; Soros Fund Management was the only superinvestor holding it.
Holders of 5% or more of CPRX
Holders whose latest Schedule 13D or 13G filing reports 5% or more of Catalyst Pharmaceuticals, Inc., largest stake first. The change is against the holder's previous filing.
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| BlackRock, Inc. | 13G/A | 13.90%16.9M shares | – | Apr 28, 20251 filing | Apr 28, 2025 | SEC |
| State Street Corp | 13G | 5.20%6.41M shares | New | Nov 10, 20251 filing | Nov 10, 2025 | SEC |
Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.
13D and 13G filings
4 Schedule 13D and 13G filings on Catalyst Pharmaceuticals, Inc., newest first, including old-format filings without a stake.
| Filed (ET) | Filer | Form | Stake | Change | Event date | Filing |
|---|---|---|---|---|---|---|
| Mar 26, 20264:44 PM ET | Vanguard Group Inc | 13G/A | 0.00%0 shares | –Below 5% | Mar 13, 2026 | SEC |
| Nov 10, 20258:17 AM ET | State Street Corp | 13G | 5.20%6.41M shares | New | Sep 30, 2025 | SEC |
| Apr 28, 202512:32 PM ET | BlackRock, Inc. | 13G/A | 13.90%16.9M shares | – | Mar 31, 2025 | SEC |
| Feb 13, 20258:57 AM ET | Flynn James Eand 3 others | 13G/A | 2.63%3.13M shares | –Below 5% | Dec 31, 2024 | SEC |
Form 144: proposed insider sales
Notices from officers, directors and other affiliates planning to sell Catalyst Pharmaceuticals, Inc. shares.
No Form 144 notices for Catalyst Pharmaceuticals, Inc. are on file.