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ASSEMBLY BIOSCIENCES, INC. (ASMB)

Assembly Biosciences, Inc. is a biotechnology firm in the clinical development phase, dedicated to identifying and advancing innovative therapeutic solutions for hepatitis B virus (HBV) infections within the United States. Its primary drug candidate, Vebicorvir, has successfully concluded Phase 2 clinical trials for individuals with chronic HBV. The company's development pipeline also features ABI-H3733, which has finished Phase 1a clinical studies, and ABI-4334, currently in pre-clinical assessment for HBV treatment. Assembly Biosciences has forged collaborative partnerships, including agreements with BeiGene, Ltd. and Arbutus Biopharma Corporation, as well as with Antios Therapeutics, Inc., to explore a triple-combination treatment strategy for chronic hepatitis B virus. Additionally, it maintains strategic licensing arrangements with Indiana University Research and Technology Corporation and Door Pharmaceuticals, LLC. Established in 2005, the company was formerly known as Ventrus Biosciences, Inc. before rebranding to Assembly Biosciences, Inc. in June 2014, and its headquarters are located in South San Francisco, California.

Sector: Pharmaceutical Preparations

Industry: Biotechnology

Assembly Biosciences, Inc. logo

Assembly Biosciences, Inc.

NASDAQ:ASMBHealthcare
-3.50%$20.13
AH$20.13+0.00%vs close
Mkt Cap$409.86M
Float10.4M
O/S20.36M
Vol
$ Vol
RVOL
Inst Own67.6%
SI28.0%
Earnings
Dilution
Financials Summary
Revenue$72.3M
Net Income-$6.12M
Total Assets$257.59M
Free Cash Flow-$41.16M
Debt & Equity
Debt 1%
Equity 99%
Total Debt$2.63M
Total Equity$206.75M
Shares Outstanding
Short Interest
Split History1 split · 1 reverse
  1. 1:12Reverse split
    Feb 12, 202412 shares → 1
Balance Sheet Details
Assets$257.59M
Liabilities$50.84M
Accounts Receivable$974K
Accounts Payable$1.17M
Inventory$0
PP&E (Net)$2.73M
Goodwill$0
Intangible Assets$0
Income Statement
PeriodFY 2025FY 2024FY 2023FY 2022FY 2021FY 2020FY 2019FY 2018FY 2017FY 2016FY 2015FY 2014FY 2013FY 2012FY 2011FY 2010FY 2009FY 2008
CurrencyUSDUSDUSDUSDUSDUSDUSDUSDUSDUSDUSDUSDUSDUSDUSDUSDUSDUSD
Period Ending2025-12-312024-12-312023-12-312022-12-312021-12-312020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-312008-12-31
Revenue$72.3M$28.52M$7.16M$0$6.25M$79.11M$15.96M$14.8M$9.02M$0$0$0$0$0$0$0$0$0
YoY Growth153.5%298.2%---92.1%395.6%7.8%64.1%----------
Cost of Revenue$129K$55.93M$48.9M$69.08M$0$101.34M$85.32M$72.74M$44.23M$80K$65K$0$0$0$0$0$0$0
Gross Profit$72.17M-$27.41M-$41.74M-$69.08M$6.25M-$22.23M-$69.36M-$57.94M-$35.21M-$80K-$65K$0$0$0$0$0$0$0
Gross Margin99.8%-96.1%-582.7%-100.0%-28.1%-434.5%-391.4%-390.4%---------
Research and Development$64.81M$55.93M$48.9M$69.98M$68.52M$106.82M$85.76M$72.74M$44.23M$33.09M$18.36M$10.72M$15.03M$19.51M$25.28M$1.85M$2.94M$5.98M
Selling, General, and Administrative$19.61M$18.01M$22.91M$23.93M$28.78M$36.86M$34.86M$34.8M$17.02M$12.19M$11.3M$13.24M$4.58M$5.34M$8.72M$2.92M$397K$1.19M
Other$0-$55.93M-$48.9M-$68.88M$41.64M-$101.14M-$87.26M$0$0$0$0$0$0$0$0$0$0$0
Total Operating Expenses$84.42M$18.01M$22.91M$25.03M$138.94M$42.54M$33.35M$107.54M$61.25M$45.28M$29.66M$23.96M$19.6M$24.86M$34M$4.77M$3.34M$7.16M
Operating Income (EBIT)-$12.12M-$45.42M-$64.65M-$94.11M-$132.69M-$64.78M-$102.71M-$92.73M-$52.23M-$45.28M-$29.66M-$23.96M-$19.6M-$24.86M-$34M-$4.77M-$3.34M-$7.16M
Operating Margin-16.8%-159.3%-902.5%--2121.7%-81.9%-643.4%-626.4%-579.1%---------
Interest Expense$0$0$0$0$0$0$0$0$0$0$0$0$0$0$117K$10.53M$1.2M$1.64M
Interest Income$6M$5.57M$3.45M$1.02M$302K$2.62M$4.3M$3.08M$983K$1.54M$1.23M$168K$201K$65K$76K$6K$140$13K
Other Income (Expense)$6M$5.57M$3.45M$1.02M$302K$2.62M$5.85M$3.08M$368K$399K$1.2M$168K$201K$65K-$343K-$15.29T-$1.2M$0
Income Before Tax (EBT)-$6.12M-$39.85M-$61.2M-$93.09M-$132.39M-$62.15M-$96.86M-$89.65M-$51.86M-$44.88M-$28.45M-$23.79M-$19.4M-$24.79M-$34.34B-$15.29T$0$0
Income Tax Expense$0$330K$33K$0-$2.53M$0$774K$1.1M-$9.05M-$618K$0$0$0$65K$343K-$10.52T$1.2M$1.62M
Net Income-$6.12M-$40.18M-$61.23M-$93.09M-$129.85M-$62.15M-$97.63M-$90.75M-$42.81M-$44.26M-$28.45M-$23.79M-$19.4M-$24.79M-$34.34M-$15.29M-$4.54M-$8.79M
Net Income Margin-8.5%-140.9%-854.8%--2076.4%-78.6%-611.6%-613.0%-474.7%---------
Supplementary Data
EPS-0.55-6.69-13.38-22.82-36.00-15.00-27.80-39.80-24.10-25.70-18.10-34.00-50.00-97.40-178.60-123.33-51.00-104.17
Diluted EPS-0.55-6.69-13.38-22.82-36.00-15.00-27.80-39.80-24.10-25.70-18.10-34.00-50.00-97.40-178.60-123.33-51.00-104.17
Weighted Average OS11.21M6.00M4.58M4.03M3.61M3.97M3.51M2.28M1.78M1.72M1.57M699,888387,870254,531192,278123,98489,00884,344
EBITDA-$5.99M-$39.72M-$60.74M-$92.52M-$90.58M-$58.4M-$103.72M-$92.73M-$52.01M-$44.8M-$29.59M-$23.95M-$19.4M-$24.79M-$46.72M-$13.23M-$3.33M-$7.16M
EBITDA Margin-8.3%-139.3%-848.0%--1448.4%-73.8%-649.8%-626.4%-576.7%---------
Balance Sheet
PeriodFY 2025FY 2024FY 2023FY 2022FY 2021FY 2020FY 2019FY 2018FY 2017FY 2016FY 2015FY 2014FY 2013FY 2012FY 2011FY 2010FY 2009FY 2008
CurrencyUSDUSDUSDUSDUSDUSDUSDUSDUSDUSDUSDUSDUSDUSDUSDUSDUSDUSD
Period Ending2025-12-312024-12-312023-12-312022-12-312021-12-312020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-312008-12-31
Assets
Current Assets
Cash and Cash Equivalents$58.45M$38.34M$19.84M$52.42M$45.63M$59.44M$46.73M$41.47M$82.03M$28.58M$27.11M$29.09M$27.06M$20.49M$36.98M$14.57M$81K$16K
Short-Term Investments$189.66M$73.73M$110.41M$39.19M$101M$156.97M$227.31M$176.61M$37.91M$24.39M$40.56M$0$0$0$0$0$0$0
Cash and Short-Term Investments$248.11M$112.08M$130.25M$91.61M$146.63M$216.41M$274.04M$218.08M$119.95M$52.96M$67.66M$29.09M$27.06M$20.49M$36.98M$14.57M$81K$16K
Accounts Receivable$974K$400K$43K$944K$336K$1.23M$3.37M$2.43M$2.27M$0$0$0$0$0$0$0$0$0
Inventory$0$0-$3.2M$0$0$0$0$0$0$0$0$0$0$0$0$0$0$0
Other Current Assets$5.47M$3.02M$3.5M$300K$0$0$5.36M$1.99M$0$0$0$125K$64K$60K$62K$19K$3K$5K
Total Current Assets$254.55M$115.5M$133.79M$96.97M$154.2M$224.49M$282.78M$222.5M$123.12M$53.57M$68.37M$29.22M$27.12M$20.55M$37.04M$14.59M$84K$821K
Long-Term Assets
Property, Plant & Equipment Net$2.73M$3.35M$2.72M$3.94M$7.18M$10.73M$13.8M$557K$860K$215K$149K$156K$7K$7K$8K$0$13K$17K
Goodwill$0$0$0$0$0$12.64M$12.64M$12.64M$12.64M$12.64M$12.64M$12.74M$0$0$0$0$0$0
Intangible Assets$0$0$0$0$0$29M$29M$29M$29M$29M$29M$29M$0$0$0$0$0$0
Long-Term Investments$0$0$0$0$27.97M$0$0$0$3.35M$2.44M$23.39M$0$0$0$0$0$0$0
Deferred Tax Assets$0$0$0$0$0$0$7.98M$0$0$0$0$0$0$0$0$0$0$0
Other Long-Term Assets$312K$312K$312K$889K$1.7M$6.39M$1.68M$3.35M$340K$255K$197K$115K$0$0$0$27K$70K$32K
Total Long-Term Assets$3.04M$3.67M$3.04M$4.83M$36.86M$58.76M$65.11M$45.54M$46.18M$44.54M$65.38M$42.01M$7K$7K$8K$27K$82K$49K
Other Assets$0$0$0$0$0$0$0$0$0$0$0$0$0$0$0$0$0$0
Total Assets$257.59M$119.17M$136.82M$101.79M$191.06M$283.25M$347.89M$268.05M$169.3M$98.12M$133.74M$71.23M$27.13M$20.56M$37.05M$14.62M$166K$870K
Liabilities
Current Liabilities
Accounts Payable$1.17M$585K$461K$2.49M$2.66M$4.6M$1.73M$3.69M$2.12M$2.37M$1.36M$908K$2.61M$1.85M$2.34M$313K$398K$4.13M
Short-Term Debt$0$0$0$0$0$0$3.19M$0$0$0$0$0$0$0$0$1.22M$7.84M$170K
Current Income Tax Payable$0$0$0$0$0$0$0$0$0$0$0$0$0$0$0$0$0$0
Current Unearned Revenue$36.9M$37.62M$30.91M$0$0$0$6.41M$5.1M$5.23M$0$0$0$0$0$0$0$0$0
Other Current Liabilities$7.52M$6.48M$1.15M$599K$6.43M$7.02M$7.8M$4.67M$6.85M$0$0$0$0$0$0$0$0$0
Total Current Liabilities$48.78M$47.8M$39.23M$16.3M$16.07M$24.43M$24.44M$18.47M$13.49M$7.12M$3.4M$1.05M$2.64M$2.75M$2.51M$1.72M$12.36M$4.71M
Long-Term Liabilities
Long-Term Debt$0$0$0$0$0$0$0$0$0$0$0$0$0$0$0$1.27M$1.17M$5.62M
Long-Term Unearned Revenue$0$0$55.38M$0$2.73M$8.99M$30.64M$35.56M$40.56M$0$0$0$0$0$0$0$0$0
Long-Term Deferred Tax Liabilities$0$0$0$0$0$2.53M$10.51M$3.25M$2.14M$11.12M$11.6M$11.6M$0$0$0$0$0$0
Other Long-Term Liabilities$0$35.38M$0$2.73M$0$0$0$108K$0$0$0$0$0$0$0$0$0$0
Total Long-Term Liabilities$2.06M$38.01M$56.5M$2.83M$6.06M$18.24M$50.23M$38.92M$42.69M$11.12M$11.6M$11.6M$23.43M$898.21M$0$1.27M$1.17M$5.62M
Other Liabilities$0$0$0$0$0$0$0$0$0$0$0$0-$23.43M-$898.21M$0$0$0$0
Total Liabilities$50.84M$85.81M$95.73M$19.13M$22.13M$42.68M$74.67M$57.39M$56.18M$18.24M$15M$12.65M$2.64M$2.75M$2.51M$2.99M$13.53M$10.33M
Stockholders' Equity
Preferred Stock$0$0$0$0$0$0$0$0$0$0$0$0$220$0$0$0$0$0
Common Stock$16K$7K$5K$4K$48K$34K$32K$25K$20K$17K$17K$11K$21K$13K$12K$7K$447$445
Retained Earnings-$832.05M-$825.92M-$785.75M-$724.52M-$631.43M-$501.57M-$439.42M-$341.79M-$251.04M-$208.23M-$163.97M-$135.51M-$111.72M-$92.32M-$67.53M-$33.18M-$17.89M-$13.35M
Comprehensive Income & Other-$41K-$211K-$81K-$803K-$419K-$270K-$201K-$347K-$392K-$601K-$822K$0-$39K-$33K-$28K-$27K-$15K-$7K
Other Stockholders' Equity$1.04B$859.28M$826.84M$807.18M$800.31M$742.12M$712.61M$552.41M$364.14M$288.09M$282.69M$194.07M$136.2M$110.12M$102.05M$44.8M$4.53M$3.9M
Total Equity$206.75M$33.36M$41.1M$82.66M$168.93M$240.58M$273.22M$210.65M$113.12M$79.88M$118.74M$58.57M$24.49M$17.81M$34.53M$11.63M-$13.36M-$9.46M
Minority Interest$0$0$0$0$0$0$0$0$0$0$0$0$0$0$0$0$0$0
Total Liabilities and Equity$257.59M$119.17M$136.82M$101.79M$191.06M$283.25M$347.89M$268.05M$169.3M$98.12M$133.74M$71.23M$27.13M$20.56M$37.05M$14.62M$166K$870K
Supplementary Data
Total Debt$2.63M$3.09M$2.34M$3.46M$6.48M$10.13M$12.27M$0$0$0$0$0$0$0$0$2.49M$9.01M$5.79M
Net Debt-$55.82M-$35.26M-$17.5M-$48.95M-$39.15M-$49.31M-$34.46M-$41.47M-$82.03M-$28.58M-$27.11M-$29.09M-$27.06M-$20.49M-$36.98M-$12.08M$8.93M$5.77M
Cash Flow Statement
PeriodFY 2025FY 2024FY 2023FY 2022FY 2021FY 2020FY 2019FY 2018FY 2017FY 2016FY 2015FY 2014FY 2013FY 2012FY 2011FY 2010FY 2009FY 2008
CurrencyUSDUSDUSDUSDUSDUSDUSDUSDUSDUSDUSDUSDUSDUSDUSDUSDUSDUSD
Period Ending2025-12-312024-12-312023-12-312022-12-312021-12-312020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-312008-12-31
Operating Activities
Net Income-$6.12M-$40.18M-$61.23M-$93.09M-$129.85M-$62.15M-$97.63M-$90.75M-$42.81M-$44.26M-$28.45M-$23.79M-$19.4M-$24.79M-$34.34M-$15.29M-$4.54M-$8.79M
Depreciation & Amortization$129K$129K$450K$498K$466K$691K$494K$643K$219K$80K$65K$11K$6K$5K$4K$13K$8K$5K
Deferred Income Tax$0$0$0$0-$2.53M$0-$774K$1.1M-$9.05M-$618K-$7.85M-$679K-$1.71M-$3.17M$329K$2.33M$117K$693K
Stock-Based Compensation$4.68M$3.12M$5.12M$6.59M$5.24M$21.85M$20.56M$28.48M$8.6M$5.02M$7.88M$11.32M$1.71M$3.17M$2.98M$2.36M$124K$461K
Changes in Working Capital:
  Accounts Receivable-$974K$43K$901K-$608K$894K$2.14M-$944K-$156K-$2.27M$0$0$0$0$0$0$0$0$0
  Inventory$0$0$0$0$0$0-$3.01M-$601K$1.1M$0$0$0$0$0$0$0$0$0
  Accounts Payable$586K$124K-$2.03M-$166K-$1.94M$2.87M-$1.96M$1.57M-$244K$1M$456K-$2.48M-$107.4M$0$0-$3.05T$0$0
  Other Working Capital-$37.89M-$12.12M$77.47M-$1.35M-$10.36M-$35.32M-$3.61M-$5.02M$45.7M$2.75M$1.33M-$31K$107.29M$235K$1.97M$3.05T$40K$2.58M
Total Working Capital Change-$38.28M-$11.95M$76.34M-$2.12M-$11.4M-$30.31M-$9.53M-$4.21M$44.28M$3.75M$1.79M-$2.51M-$111K$235K$1.97M-$3.07M$40K$2.58M
Other Non-Cash Items-$1.5M-$2.24M$2.06M$3.66M$44.69M$6.96M$2.82M-$229K$615K$1.14M$7.88M$679K$1.71M$3.17M$3.99M$8.45M$767K$903K
Net Cash from Operating-$41.09M-$51.12M$22.74M-$84.46M-$93.4M-$62.96M-$84.07M-$64.96M$1.86M-$34.88M-$18.7M-$14.97M-$17.8M-$21.38M-$25.07M-$5.21M-$3.48M-$4.15M
Investing Activities
Capital Expenditures-$66K-$28K-$255K-$102K-$3.1M-$470K-$1.55M-$340K-$865K-$146K-$58K-$150K-$6K-$3K-$12K$0-$3K-$3K
Acquisitions$0$0$0$1.5M$1.5M$0-$1.74M-$48.88M-$33.18B-$36.2B$150$509K$0$0$0$0$0$0
Purchases of Investments-$232.18M-$90.5M-$133.92M-$27.58M-$160.45M-$193.19M-$281.33M-$183.94M-$48.23M-$7.95M-$69.78M$0$0$0$0$0$0$0
Sales of Investments$116.43M$130.7M$65.02M$116.83M$187.7M$263.48M$232.57M$48.88M$33.46M$44.29M$4.98M$0$0$0$0$0$0$0
Other Investing Activities$2.35M$0$24K$0$857K-$1.75M$1.74M$48.88M$33.18B$36.2B$150-$82K$0$0$0$0$0$0
Net Cash from Investing-$113.47M$40.17M-$69.14M$90.64M$26.52M$68.07M-$50.32M-$135.4M-$15.64M$36.2M-$64.86M$277K-$6K-$3K-$12K$0-$3K-$3K
Financing Activities
Debt Repaid--------------$2.79M-$5.18M-$3.48M-$1.5M
Common Stock Issuance$174.67M$29.29M$13.69M$325K$52.81M$5.45M$134.66M$155.43M$64.85M$0$81.01M$16.73M$24.37M$4.17M$49.99M$15.18M$0$1.15M
Common Stock Repurchases$0$0$0$0$0$0$0$0$0$0$0$0$0$0$0$0$0$0
Dividends Paid$0$0$0$0$0$0$0$0$0$0$0$0$0$0$0$0$0$0
Other Financing Activities$0$155K$129K$289K$258K$2.15M$4.99M$4.37M$0$0$554K$0$0$730K$289K-$755K-$76K-$313K
Net Cash from Financing$174.67M$29.45M$13.82M$614K$53.06M$7.6M$139.65M$159.79M$67.24M$153K$81.57M$16.73M$24.37M$4.9M$47.49M$19.7M$3.55M$2.5M
Forex Effect$0$0$0$0$0$0$0$0$0$0$0$0$0$0$0$0$0$0
Net Change in Cash$20.11M$18.5M-$32.58M$6.79M-$13.82M$12.71M$5.26M-$40.56M$53.46M$1.47M-$1.98M$2.03M$6.57M-$16.49M$22.4M$14.49M$65K-$1.65M
Supplementary Data
Operating Cash Flow-$41.09M-$51.12M$22.74M-$84.46M-$93.4M-$62.96M-$84.07M-$64.96M$1.86M-$34.88M-$18.7M-$14.97M-$17.8M-$21.38M-$25.07M-$5.21M-$3.48M-$4.15M
Capital Expenditure-$66K-$28K-$255K-$102K-$3.1M-$2.22M-$1.55M-$340K-$865K-$146K-$58K-$150K-$6K-$3K-$12K$0-$3K-$3K
Free Cash Flow-$41.16M-$51.15M$22.49M-$84.56M-$96.49M-$65.18M-$85.62M-$65.3M$996K-$35.03M-$18.76M-$15.12M-$17.8M-$21.38M-$25.08M-$5.21M-$3.49M-$4.15M
Cash at Beginning$38.34M$19.84M$52.42M$45.63M$59.44M$46.73M$41.47M$82.03M$28.58M$27.11M$29.09M$27.06M$20.49M$36.98M$14.57M$81K$16K$1.67M
Cash at End$58.45M$38.34M$19.84M$52.42M$45.63M$59.44M$46.73M$41.47M$82.03M$28.58M$27.11M$29.09M$27.06M$20.49M$36.98M$14.57M$81K$16K