Assembly Biosciences

ASMB

Market cap $464M

– Additional Phase 1b data for ABI-5366, including results from monthly dosing cohort, selected for oral presentation – – Phase 1b data from ABI-1179 accepted for late-breaker poster presentation – SOUTH SAN FRANCISCO, Calif., April 09, 2026 (GLOBE NEWSWIRE) -- Assembly Biosciences, Inc. (Nasdaq: ASMB), a biotechnology company developing innovative therapeutics targeting serious viral diseases, today announced Phase 1b clinical data for ABI-5366 and ABI-1179, herpes simplex virus (HSV) helicase-primase inhibitor candidates, will be featured in multiple presentations, including one late-breaker, at the 2026 Congress of the European Society of Clinical Microbiology and Infectious Diseases (ESCMID) taking place April 17-21, 2026, in Munich, Germany.

Assembly Biosciences, Inc. remains a Buy as Gilead licensed its HPI program, triggering a $35M payment and potential $330M in milestones. Phase 2 trials for both the HPI program (ABI-5366/1179) and HDV candidate ABI-6250 are expected to initiate by end of 2026, with interim catalysts ahead. ABI-6250 aims to be the first oral HDV therapy, addressing an unmet need with positive phase 1a data and a favorable safety profile supporting daily dosing.

Assembly Biosciences (ASMB) came out with quarterly earnings of $2.48 per share, beating the Zacks Consensus Estimate of a loss of $0.51 per share. This compares to a loss of $1.57 per share a year ago.

– Successfully licensed helicase-primase inhibitor program for recurrent genital herpes to Gilead, including candidates ABI-5366 and ABI-1179, following positive Phase 1b interim data; development plan anticipated by mid-2026 –

FOSTER CITY, Calif. & SOUTH SAN FRANCISCO, Calif.--(BUSINESS WIRE)--Gilead Sciences, Inc. (Nasdaq: GILD) and Assembly Biosciences, Inc. (Nasdaq: ASMB), today announced Gilead has exercised its combined option to exclusively license Assembly Bio's herpes simplex virus (HSV) helicase-primase inhibitor programs, including long-acting investigational candidates ABI-1179 and ABI-5366 for recurrent genital herpes. These represent the first programs Gilead will advance under the ongoing Assembly Bio R.

Assembly Biosciences, Inc. (ASMB) Discusses Positive Interim Results for ABI-1179 and ABI-5366 in Recurrent Genital Herpes Phase 1b Studies Transcript

– 98% reduction in HSV-2 shedding rate, >99% reduction in high viral load shedding rate and 91% reduction in virologically confirmed genital lesion rate observed in 50 mg weekly oral dose of ABI-1179, exceeding expectations for the study –

– Released positive Phase 1b interim results for long-acting helicase-primase inhibitor candidate ABI-5366 showing significant reductions in viral shedding rate and genital lesion rate in recurrent genital herpes –

– Phase 1b data demonstrating favorable safety and tolerability profile and potent reductions in viral nucleic acids highlighted in late-breaking poster presentation – SOUTH SAN FRANCISCO, Calif., Nov. 07, 2025 (GLOBE NEWSWIRE) -- Assembly Biosciences, Inc. (Nasdaq: ASMB), a biotechnology company developing innovative therapeutics targeting serious viral diseases, today announced Phase 1b clinical data for its next-generation investigational capsid assembly modulator (CAM) ABI-4334 featured in a late-breaking poster presentation at the American Association for the Study of Liver Diseases (AASLD), The Liver Meeting®.

SOUTH SAN FRANCISCO, Calif., Oct. 14, 2025 (GLOBE NEWSWIRE) -- Assembly Biosciences, Inc. (Nasdaq: ASMB), a biotechnology company developing innovative therapeutics targeting serious viral diseases, today announced that the company will participate in fireside chats at two upcoming investor conferences.