Assembly Bio exercises U.S. profit-share option with Gilead for herpes program

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Assembly Biosciences Exercises U.S. Profit-Share Option with Gilead for HSV Helicase-Primase Inhibitor Program

September 8, 2026 4:00 PM EDT

Assembly Bio to share 40% of U.S. development costs and profits for helicase-primase inhibitor program for recurrent genital herpes

Cash runway remains projected into 2029, including the first $75 million collaboration extension fee from Gilead payable in Q4 2026

SOUTH SAN FRANCISCO, Calif., Sept. 08, 2026 (GLOBE NEWSWIRE) -- Assembly Biosciences, Inc. (Nasdaq: ASMB), a biotechnology company developing innovative therapeutics targeting serious viral and liver diseases, today announced it has exercised its option to share 40% of the development costs and profits in the United States for its herpes simplex virus (HSV) helicase-primase... More