Tempest Therapeutics Reports 100% CR Rate for CAR-T Program TPST-2003 Amidst Going Concern Warning
TPST is trading near its 52-week low of $1.56 (8.3% above the low) on elevated volume (2.4× avg).
Summary
Tempest Therapeutics reported strong interim clinical data for its lead CAR-T program, TPST-2003, with a 100% complete response rate in multiple myeloma patients, alongside year-end 2025 financial results highlighting significant cash burn and a "going concern" warning.
Key Events · Product Development and Regulatory · TPST
-
Positive Clinical Data for TPST-2003
Interim results from the REDEEM-1 Phase 1/2a trial of TPST-2003 in relapsed/refractory multiple myeloma patients showed a 100% complete response (CR) rate among all six efficacy evaluable patients, with a favorable safety profile.
-
Year-End 2025 Financial Results
The company reported $7.7 million in cash and cash equivalents as of December 31, 2025, down from $30.3 million in 2024, and a net loss of $26.3 million for the year. Research and development expenses decreased due to re-prioritization of efforts.
-
Going Concern Warning
Tempest Therapeutics explicitly stated its need for additional capital to fund planned programs and operations and to continue as a going concern, indicating significant financial challenges.
-
Strategic Pipeline Expansion
The company completed a strategic all-stock acquisition of new dual-targeting CAR-T assets from Factor Bioscience Inc., including TPST-2003.
Analysis · TPST · Life Sciences
Tempest Therapeutics announced highly positive interim clinical data for its lead CAR-T program, TPST-2003, demonstrating a 100% complete response rate in six evaluable patients with relapsed/refractory multiple myeloma and a favorable safety profile. This strong clinical signal is a significant catalyst for a clinical-stage biotechnology company and could attract further investment or partnerships. However, the company's year-end 2025 financial results reveal a precarious financial position, with cash and cash equivalents significantly reduced to $7.7 million and an explicit disclosure of the need for additional capital to continue as a going concern. The financial challenges, including substantial cash burn and cost-cutting measures, present a major risk, but the promising clinical data offers a potential path to overcome these hurdles and validates the company's strategic pipeline expansion.
How filings like this one have moved
In the 30 days to Sep 10, 2026, 35.6% of the 1819 measured filings Wiseek scored 8 moved their stock by 5% or more by the next session's close. The median move was 0.00%. These are measured outcomes after filings of this importance, not a forecast for this one.
Measured one observation per ticker per day, after exclusions. Current figures: Filing Impact Tracker · open dataset
At the time of this filing, TPST was trading at $1.69 on NASDAQ in the Life Sciences sector, with a market capitalization of approximately $23.3M. The 52-week trading range was $1.56 to $12.23. This filing was assessed with positive market sentiment and an importance score of 8 out of 10.