Catalyst Pharmaceuticals, INC Schedule 13G passive stakes

Filed when an investor crosses five percent without intending to seek control — the passive counterpart to a 13D.

NASDAQ
The Vanguard Group has reported a 0% beneficial ownership in Catalyst Pharmaceuticals Inc. following an internal realignment.
NASDAQ
State Street Corporation has reported a 5.2% beneficial ownership stake in Catalyst Pharmaceuticals Inc. common stock as of September 30, 2025.
NASDAQ
BlackRock, Inc. has filed an amended Schedule 13G, revealing a beneficial ownership of 13.9% of Catalyst Pharmaceuticals, Inc.'s common stock as of March 31, 2025.
NASDAQ
Deerfield Mgmt, L.P., Deerfield Management Company, L.P., Deerfield Partners, L.P., and James E. Flynn have jointly filed an amendment to their Schedule 13G, disclosing a continued passive beneficial ownership of 2.63% in Catalyst Pharmaceuticals, Inc.