Tempest Therapeutics, Inc. - Common Stock (TPST)

San Francisco, CA – November 19, 2025 – Tempest Therapeutics, Inc. (NASDAQ: TPST) saw its stock price plummet by a staggering 48.92% today, wiping out nearly half of its market value in a single trading session. The dramatic decline was a direct response to the company's announcement of an all-stock acquisition

The transaction is expected to close in early 2026, provided it receives all required approvals.

Tempest Therapeutics shares fell Wednesday after the announcement of an all-stock acquisition of dual-CAR T programs from Factor Bioscience.