Skip to main content
Signal8

ASSEMBLY BIOSCIENCES, INC. (ASMB) Form 424B5 — May 22, 2026

$ASMBForm 424B5Filed May 22, 2026, 7:39 PM ET0001193125-26-237361Original filing

Assembly Biosciences (ASMB) has priced a follow-on equity offering of 3,358,602 shares of common stock and 415,000 pre-funded warrants at $26.50 per share, raising approximately $93.3 million in net proceeds. The offering is underwritten by Guggenheim Securities and UBS Investment Bank, with Mizuho and H.C. Wainwright also participating. The company plans to use the proceeds to fund the clinical development of its pipeline candidates, including ABI-6250, and for general corporate purposes.

Key figures

Net Proceeds
93300000
Cash Position
198600000
Gross Proceeds
100000038
Offering Price
26.5
Shares Offered
3358602
Shares Outstanding
15892353
Lockup Period Days
90
Pre Funded Warrants Offered
415000
Underwriters Option Shares
566040
Net Tangible Book Value Per Share
12.5
Pre Funded Warrant Exercise Price
0.001
Dilution Per Share To New Investors
11.34
Adjusted Net Tangible Book Value Per Share
15.16

Price after filing

1 day: 0.0%7 days: +4.6%30 days: -7.8%

Close on the filing date to close N calendar days later (from $26.50). Historical, not a forecast.

AI analysis

Red flags4 · Pro

The rest of the AI analysis, red flags and sentiment are part of Signal8 Pro.

AI-generated analysis of a public disclosure. Not investment advice; verify against the original document.