Spero Therapeutics, Inc. (SPRO): Entry into a Material Definitive Agreement
Spero Therapeutics, Inc. (SPRO) filed an SEC Form 8-K — Entry into a Material Definitive Agreement. Item 1.01 Entry into a Material Definitive Agreement. On August 28, 2026, Spero Therapeutics, Inc., a Delaware corporation (the “Company”), entered into an Open Market Sale Agreement℠ (the “Sale Agreement”) with Jefferies LLC, as agent (“Jefferies”), pursuant to which the Company



