Gossamer Bio is trading 6.01% down now at $0.15 after its board selected a 1-for-80 reverse stock split to regain compliance with Nasdaq’s minimum bid-price requirement.
- The split becomes effective at 11:59 p.m. Eastern Time on September 10, 2026.
- Split-adjusted trading is expected to begin September 11, 2026.
- The sharp decline follows investor reaction to the substantial consolidation and related capital-structure changes.