ATRA ATARA BIOTHERAPEUTICS INC Capital Structure Changes 8-K Filing 2025 - Equity Offerings Atara Biotherapeutics, Inc. announced a registered direct offering on May 14, 2024, to issue 834,237 shares of common stock and warrants to raise approximately $16 million for BLA approval and general corporate purposes, with the offering closing on May 16, 2025.Get access to all SEC 8-K filings of the ATARA BIOTHERAPEUTICS INC