Security
Assembly Biosciences, Inc. Common Stock · ASMB
ASMBNASDAQCommon stockCurrentCIK 1426800Updated Nov 13, 2026
Name history
VENTRUS BIOSCIENCES INC · through Jul 11, 2014
ASMB price & chart
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NASDAQ:ASMB on TradingView ↗About the company
In October 2023, Assembly Bio and Gilead entered into a 12-year collaboration to advance the research and development of novel antiviral therapies. Under the collaboration, Gilead has an option to obtain exclusive rights to each of Assembly Bio’s current and future programs, and Assembly Bio is eligible to receive collaboration extension fees, option fees, milestone payments and royalties. Following Gilead’s exercise of an option, Assembly Bio has the right to elect to share costs and profits in the U.S., as well as certain co-promotion rights for future programs.
In the news
Assembly Biosciences Announces Upcoming Investor Conference Presentations ↗
Seeking Alpha
Healthcare stocks with strong revenue growth and attractive valuations ↗
Assembly Biosciences: Gilead Advancements For GS-1179 And ABI-6250 Is A Bullish Signal ↗
Assembly Biosciences: A Gilead-Backed Antiviral Option With More Embedded Leverage Than The Market Appreciates ↗
SEC disclosures
ASSEMBLY BIOSCIENCES, INC. files 8-K/A ↗
Recent filings
10-Q filing
Results of Operations and Financial Condition
Items 2.02, 9.01
S-8 filing
Results of Operations and Financial Condition
Items 2.02, 9.01
10-Q filing
Show 5 more recent filings
Financials
FY 2025 · USDSource
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balance sheet · annual statements
| Line item | Q3 2025 | Q3 2024 | Q2 2026 | Q2 2025 | Q2 2024 | Q1 2026 | Q1 2025 | Q1 2024 | FY 2025 | FY 2024 | FY 2023 | FY 2022 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ASSETS | ||||||||||||
| AssetsUSD | 239,997,000Source | 100,262,000Source | 330,832,000Source | 80,780,000Source | 115,323,000Source | 235,508,000Source | 99,017,000Source | 119,883,000Source | 257,590,000Source | 119,168,000Source | 136,823,000Source | 101,794,000Source |
| Property, Plant and Equipment, NetUSD | 229,000Source | 316,000Source | 315,000Source | 219,000Source | 349,000Source | 214,000Source | 251,000Source | 367,000Source | 221,000Source | 284,000Source | 385,000Source | 743,000Source |
| Current assets: | ||||||||||||
| Cash and Cash Equivalents, at Carrying ValueUSD | 22,534,000Source | 28,452,000Source | 32,286,000Source | 24,006,000Source | 19,208,000Source | 31,120,000Source | 23,413,000Source | 18,749,000Source | 58,450,000Source | 38,344,000Source | 19,841,000Source | 52,418,000Source |
| Accounts Receivable, after Allowance for Credit Loss, CurrentUSD | 912,000Source | 0Source | 822,000Source | — | 0Source | 451,000Source | — | 43,000Source | 974,000Source | 0Source | 43,000Source | 944,000Source |
| Assets, CurrentUSD | 236,812,000Source | 98,213,000Source | 327,978,000Source | 77,467,000Source | 112,931,000Source | 232,613,000Source | 95,527,000Source | 117,168,000Source | 254,549,000Source | 115,503,000Source | 133,787,000Source | 96,967,000Source |
| Prepaid Expense and Other Assets, CurrentUSD | 3,343,000Source | 3,259,000Source | 6,795,000Source | 2,487,000Source | 3,712,000Source | 5,561,000Source | 4,499,000Source | 4,149,000Source | 5,469,000Source | 3,424,000Source | 3,497,000Source | 4,413,000Source |
| Operating Lease, Right-of-Use AssetUSD | 2,644,000Source | 1,421,000Source | 2,227,000Source | 2,782,000Source | 1,731,000Source | 2,369,000Source | 2,927,000Source | 2,036,000Source | 2,508,000Source | 3,069,000Source | 2,339,000Source | 3,195,000Source |
| Other Assets, NoncurrentUSD | 312,000Source | 312,000Source | 312,000Source | 312,000Source | 312,000Source | 312,000Source | 312,000Source | 312,000Source | 312,000Source | 312,000Source | 312,000Source | 889,000Source |
| LIABILITIES AND EQUITY | ||||||||||||
| LiabilitiesUSD | 57,302,000Source | 74,259,000Source | 25,183,000Source | 62,680,000Source | 80,641,000Source | 36,898,000Source | 71,884,000Source | 87,282,000Source | 50,839,000Source | 85,809,000Source | 95,726,000Source | 19,130,000Source |
| Stockholders’ equity: | ||||||||||||
| Common Stock, Value, IssuedUSD | 16,000Source | 6,000Source | 20,000Source | 8,000Source | 6,000Source | 16,000Source | 8,000Source | 5,000Source | 16,000Source | 7,000Source | 5,000Source | 49,000Source |
| Retained Earnings (Accumulated Deficit)USD | -854,137,000Source | -815,590,000Source | -844,983,000Source | -844,941,000Source | -805,977,000Source | -841,126,000Source | -834,743,000Source | -794,825,000Source | -832,047,000Source | -825,925,000Source | -785,748,000Source | -724,520,000Source |
| Accumulated Other Comprehensive Income (Loss), Net of TaxUSD | -90,000Source | -156,000Source | -623,000Source | -279,000Source | -293,000Source | -368,000Source | -253,000Source | -239,000Source | -41,000Source | -211,000Source | -81,000Source | -803,000Source |
| Stockholders' Equity Attributable to ParentUSD | 182,695,000Source | 26,003,000Source | 305,649,000Source | 18,100,000Source | 34,682,000Source | 198,610,000Source | 27,133,000Source | 32,601,000Source | 206,751,000Source | 33,359,000Source | 41,097,000Source | 82,664,000Source |
| Additional Paid in Capital, Common StockUSD | 1,036,906,000Source | 841,743,000Source | 1,151,235,000Source | 863,312,000Source | 840,946,000Source | 1,040,088,000Source | 862,121,000Source | 827,660,000Source | 1,038,823,000Source | 859,488,000Source | 826,921,000Source | 807,938,000Source |
| Liabilities and EquityUSD | 239,997,000Source | 100,262,000Source | 330,832,000Source | 80,780,000Source | 115,323,000Source | 235,508,000Source | 99,017,000Source | 119,883,000Source | 257,590,000Source | 119,168,000Source | 136,823,000Source | 101,794,000Source |
| Current liabilities: | ||||||||||||
| Liabilities, CurrentUSD | 53,380,000Source | 41,635,000Source | 23,445,000Source | 47,291,000Source | 41,274,000Source | 34,997,000Source | 46,631,000Source | 38,753,000Source | 48,780,000Source | 47,803,000Source | 39,225,000Source | 16,296,000Source |
| Operating Lease, Liability, CurrentUSD | 548,000Source | 1,329,000Source | 612,000Source | 533,000Source | 1,295,000Source | 590,000Source | 529,000Source | 1,145,000Source | 569,000Source | 461,000Source | 1,220,000Source | 3,364,000Source |
| Accounts Payable, CurrentUSD | 1,683,000Source | 1,335,000Source | 1,180,000Source | 743,000Source | 801,000Source | 1,129,000Source | 875,000Source | 727,000Source | 1,171,000Source | 585,000Source | 461,000Source | 2,493,000Source |
| Operating Lease, Liability, NoncurrentUSD | 2,207,000Source | 113,000Source | 1,738,000Source | 2,351,000Source | 451,000Source | 1,901,000Source | 2,491,000Source | 791,000Source | 2,059,000Source | 2,628,000Source | 1,122,000Source | 101,000Source |
| Additional Financial Items | ||||||||||||
| Accrued Liabilities, CurrentUSD | 5,728,000Source | 4,765,000Source | 3,342,000Source | 3,407,000Source | 3,587,000Source | 2,664,000Source | 2,302,000Source | 2,051,000Source | 7,749,000Source | 6,862,000Source | 5,744,000Source | 7,317,000Source |
| Cash, Cash Equivalents, and Short-term InvestmentsUSD | 232,600,000Source | — | 320,400,000Source | 75,000,000Source | — | 226,600,000Source | — | — | 248,100,000Source | — | — | — |
| Deferred Tax Liabilities, NetUSD | — | — | — | — | — | — | — | — | 0Source | 0Source | 0Source | 0Source |
cash flow · annual statements
| Line item | Q4 2025 | Q4 2024 | Q3 2025 | Q3 2024 | Q2 2026 | Q2 2025 | Q1 2026 | Q1 2025 | FY 2025 | FY 2024 | FY 2023 | FY 2022 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cash flows from operating activities: | ||||||||||||
| Net Income (Loss), Including Portion Attributable to Noncontrolling InterestUSD | — | — | — | — | — | — | -9,079,000Source | -8,818,000Source | -6,122,000Source | -40,177,000Source | -61,228,000Source | -93,092,000Source |
| Adjustments to reconcile net income to net cash provided by operating activities: | ||||||||||||
| Depreciation, Depletion and AmortizationUSD | — | — | — | — | — | — | 26,000Source | 33,000Source | 129,000Source | 129,000Source | 450,000Source | 498,000Source |
| Share-based Payment Arrangement, Noncash ExpenseUSD | — | — | — | — | — | — | 1,116,000Source | 712,000Source | 4,677,000Source | 3,120,000Source | 5,119,000Source | 6,593,000Source |
| Changes in operating assets and liabilities: | ||||||||||||
| Increase (Decrease) in Accounts ReceivableUSD | — | — | — | — | — | — | -523,000Source | 0Source | 974,000Source | -43,000Source | -901,000Source | 608,000Source |
| Increase (Decrease) in Accounts PayableUSD | — | — | — | — | — | — | -42,000Source | 290,000Source | 586,000Source | 124,000Source | -2,032,000Source | -166,000Source |
| Deferred Income Tax Expense (Benefit)USD | — | — | — | — | — | — | — | — | — | 0Source | 0Source | 0Source |
| Net Cash Provided by (Used in) Operating ActivitiesUSD | — | — | — | — | — | — | -22,097,000Source | -23,439,000Source | -41,093,000Source | -51,117,000Source | 22,743,000Source | -84,463,000Source |
| Cash flows from investing activities: | ||||||||||||
| Net Cash Provided by (Used in) Investing ActivitiesUSD | — | — | — | — | — | — | -5,382,000Source | 6,586,000Source | -113,468,000Source | 40,171,000Source | -69,138,000Source | 90,640,000Source |
| Payments to Acquire Property, Plant, and EquipmentUSD | — | — | — | — | — | — | 19,000Source | 0Source | 66,000Source | 28,000Source | 255,000Source | 102,000Source |
| Cash flows from financing activities: | ||||||||||||
| Net Cash Provided by (Used in) Financing ActivitiesUSD | — | — | — | — | — | — | 149,000Source | 1,922,000Source | 174,667,000Source | 29,449,000Source | 13,818,000Source | 614,000Source |
| Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate EffectUSD | — | — | — | — | — | — | -27,330,000Source | -14,931,000Source | 20,106,000Source | 18,503,000Source | -32,577,000Source | 6,791,000Source |
| Supplemental disclosure of cash flow information: | ||||||||||||
| Income Taxes Paid, NetUSD | — | — | — | — | — | — | — | — | — | 421,000Source | — | — |
| Additional Financial Items | ||||||||||||
| Share-based Payment Arrangement, ExpenseUSD | — | — | 1,670,000Source | 797,000Source | 2,416,000Source | 834,000Source | 1,116,000Source | 712,000Source | 4,677,000Source | 3,120,000Source | 5,119,000Source | 6,593,000Source |
| Cash, Cash Equivalents, and Short-term InvestmentsUSD | — | — | 232,600,000Source | — | 320,400,000Source | 75,000,000Source | 226,600,000Source | — | 248,100,000Source | — | — | — |
| Debt Securities, Realized Gain (Loss)USD | — | — | — | — | — | — | — | — | 3,000Source | — | — | — |
| DepreciationUSD | — | — | — | — | — | — | — | — | — | — | 500,000Source | 500,000Source |
| Gain (Loss) on Disposition of BusinessUSD | — | — | — | — | — | — | — | — | — | — | — | 0Source |
| Gain (Loss) on Disposition of Property Plant EquipmentUSD | — | — | — | — | — | — | — | — | — | 0Source | -139,000Source | 0Source |
| General and Administrative ExpenseUSD | — | — | 5,085,000Source | 4,286,000Source | 4,801,000Source | 4,594,000Source | 4,683,000Source | 4,509,000Source | 19,608,000Source | 18,007,000Source | 22,909,000Source | 24,134,000Source |
| Goodwill and Intangible Asset ImpairmentUSD | — | — | — | — | — | — | — | — | — | — | — | 0Source |
| Income Tax Expense (Benefit)USD | — | — | 0Source | 0Source | — | 0Source | — | — | 0Source | 330,000Source | 33,000Source | 0Source |
| Net Income (Loss) Attributable to ParentUSD | — | — | -9,196,000Source | -9,613,000Source | -3,857,000Source | -10,198,000Source | -9,079,000Source | -8,818,000Source | -6,122,000Source | -40,177,000Source | -61,228,000Source | -93,092,000Source |
| Nonoperating Income (Expense)USD | — | — | 1,687,000Source | 1,343,000Source | 2,487,000Source | 895,000Source | 2,291,000Source | 1,123,000Source | 5,996,000Source | 5,573,000Source | 3,451,000Source | 1,022,000Source |
| Operating ExpensesUSD | — | — | 21,672,000Source | 17,801,000Source | 19,718,000Source | 20,719,000Source | 19,583,000Source | 19,360,000Source | 84,421,000Source | 73,940,000Source | 71,809,000Source | 94,114,000Source |
| Proceeds from Issuance of Common StockUSD | — | — | — | — | — | — | 0Source | 1,922,000Source | 1,922,000Source | 2,030,000Source | 4,546,000Source | 325,000Source |
| Proceeds from Maturities, Prepayments and Calls of Debt Securities, Available-for-saleUSD | — | — | — | — | — | — | 57,600,000Source | 26,432,000Source | 116,432,000Source | 130,700,000Source | 65,015,000Source | 88,000,000Source |
| Proceeds from Stock Options ExercisedUSD | — | — | — | — | — | — | 149,000Source | 0Source | 125,000Source | 5,000Source | — | — |
| Realized Investment Gains (Losses)USD | — | — | 0Source | 0Source | 0Source | 0Source | 0Source | 0Source | — | 0Source | 0Source | — |
| Revenue from Contract with Customer, Including Assessed TaxUSD | — | — | 10,789,000Source | 6,845,000Source | 13,374,000Source | 9,626,000Source | 8,213,000Source | 9,419,000Source | — | 28,520,000Source | 7,163,000Source | — |
income statement · annual statements
| Line item | Q4 2025 | Q4 2024 | Q3 2025 | Q3 2024 | Q2 2026 | Q2 2025 | Q1 2026 | Q1 2025 | FY 2025 | FY 2024 | FY 2023 | FY 2022 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Total RevenueUSD | — | — | — | — | — | — | — | — | 72,303,000Source | — | — | — |
| Operating Income (Loss)USD | — | — | -10,883,000Source | -10,956,000Source | -6,344,000Source | -11,093,000Source | -11,370,000Source | -9,941,000Source | -12,118,000Source | -45,420,000Source | -64,646,000Source | -94,114,000Source |
| Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling InterestUSD | — | — | -9,196,000Source | -9,613,000Source | — | -10,198,000Source | — | — | -6,122,000Source | -39,847,000Source | -61,195,000Source | -93,092,000Source |
| Income Tax Expense (Benefit)USD | — | — | 0Source | 0Source | — | 0Source | — | — | 0Source | 330,000Source | 33,000Source | 0Source |
| Net Income (Loss) Attributable to ParentUSD | — | — | -9,196,000Source | -9,613,000Source | -3,857,000Source | -10,198,000Source | -9,079,000Source | -8,818,000Source | -6,122,000Source | -40,177,000Source | -61,228,000Source | -93,092,000Source |
| Earnings Per Share, BasicUSD per share | — | — | -0.72Source | -1.51Source | -0.2Source | -1.33Source | -0.54Source | -1.17Source | -0.55Source | -6.69Source | -13.38Source | -1.92Source |
| Earnings Per Share, DilutedUSD per share | — | — | -0.72Source | -1.51Source | -0.2Source | -1.33Source | -0.54Source | -1.17Source | -0.55Source | -6.69Source | -13.38Source | -1.92Source |
| Weighted Average Number of Shares Outstanding, Basicshares | — | — | 12,686,122Source | 6,351,431Source | 18,853,646Source | 7,655,854Source | 16,900,232Source | 7,506,321Source | 11,210,934Source | 6,004,560Source | 4,577,371Source | 48,409,265Source |
| Weighted Average Number of Shares Outstanding, Dilutedshares | — | — | 12,686,122Source | 6,351,431Source | 18,853,646Source | 7,655,854Source | 16,900,232Source | 7,506,321Source | 11,210,934Source | 6,004,560Source | 4,577,371Source | 48,409,265Source |
| Additional Financial Items | ||||||||||||
| Current Income Tax Expense (Benefit)USD | — | — | — | — | — | — | — | — | — | 330,000Source | 33,000Source | — |
| Debt Securities, Realized Gain (Loss)USD | — | — | — | — | — | — | — | — | 3,000Source | — | — | — |
| General and Administrative ExpenseUSD | — | — | 5,085,000Source | 4,286,000Source | 4,801,000Source | 4,594,000Source | 4,683,000Source | 4,509,000Source | 19,608,000Source | 18,007,000Source | 22,909,000Source | 24,134,000Source |
| Interest Income, OtherUSD | — | — | 1,687,000Source | 1,343,000Source | 2,487,000Source | 895,000Source | 2,291,000Source | 1,123,000Source | 5,996,000Source | 5,573,000Source | 3,451,000Source | 1,022,000Source |
| Nonoperating Income (Expense)USD | — | — | 1,687,000Source | 1,343,000Source | 2,487,000Source | 895,000Source | 2,291,000Source | 1,123,000Source | 5,996,000Source | 5,573,000Source | 3,451,000Source | 1,022,000Source |
| Operating ExpensesUSD | — | — | 21,672,000Source | 17,801,000Source | 19,718,000Source | 20,719,000Source | 19,583,000Source | 19,360,000Source | 84,421,000Source | 73,940,000Source | 71,809,000Source | 94,114,000Source |
| Realized Investment Gains (Losses)USD | — | — | 0Source | 0Source | 0Source | 0Source | 0Source | 0Source | — | 0Source | 0Source | — |
| Research and Development ExpenseUSD | — | — | 16,587,000Source | 13,515,000Source | 14,917,000Source | 16,125,000Source | 14,900,000Source | 14,851,000Source | 64,813,000Source | 55,933,000Source | 48,900,000Source | 69,980,000Source |
| Revenue from Contract with Customer, Including Assessed TaxUSD | — | — | 10,789,000Source | 6,845,000Source | 13,374,000Source | 9,626,000Source | 8,213,000Source | 9,419,000Source | — | 28,520,000Source | 7,163,000Source | — |
Offerings
Registration 333-294459
Filing attachments
asmb-ex99_1.htm · 8-K · 2026-11-12
Exhibit 99.1 Assembly Biosciences Reports Third Quarter 2026 Financial Results and Recent Updates - Initiated Phase 2 clinical study of ABI-6250 in patients with chronic hepatitis delta virus infection - - Exercised 40% U.S. Profit-Share option for the HSV helicase primase inhibitor program - - Received first $75 million collaboration extension fee from Gilead; cash runway projected into 2029 - SOUTH SAN FRANCISCO, Calif. - November 12, 2026 - Assembly Biosciences, Inc. (Nasdaq: ASMB), a bi…
Read attachment ↗asmb-ex99_1.htm · 8-K/A · 2026-08-14
Exhibit 99.1 Assembly Biosciences Reports Second Quarter 2026 Financial Results and Recent Updates - Expanded ABI-6250 clinical development into cholestatic liver diseases, including primary biliary cholangitis (PBC) and primary sclerosing cholangitis (PSC) - - Completed $115 million gross financing to support advancement of pipeline programs through key development milestones - - GS-1179 (formerly ABI-1179) selected to advance in HSV HPI program, with Phase 2 initiation expected by year-end…
Read attachment ↗asmb-ex99_1.htm · 8-K · 2026-08-13
EX-99.1 2 asmb-ex99_1.htm EX-99.1 EX-99.1 Exhibit 99.1 Assembly Biosciences Reports Second Quarter 2026 Financial Results and Recent Updates - Expanded ABI-6250 clinical development into cholestatic liver diseases, including primary biliary cholangitis (PBC) and primary sclerosing cholangitis (PSC) - - Completed $115 million gross financing to support advancement of pipeline programs through key development milestones - - GS-1179 (formerly ABI-1179) selected to advance in HSV HPI progra…
Read attachment ↗asmb-ex4_1.htm · 8-K · 2026-05-26
EX-4.1 3 asmb-ex4_1.htm EX-4.1 EX-4.1 Exhibit 4.1 PRE-FUNDED WARRANT ASSEMBLY BIOSCIENCES, INC. Warrant Shares: [______] Initial Exercise Date: May [__], 2026 THIS PRE-FUNDED WARRANT (the “Warrant”) certifies that, for value received, [______] or its assigns (the “Holder”) is entitled, upon the terms and subject to the limitations on exercise and the conditions hereinafter set forth, at any time on or after the date hereof (the “Initial Exercise Date”), to subscribe for and purchase fro…
Read attachment ↗asmb-ex99_1.htm · 8-K · 2026-05-26
EX-99.1 5 asmb-ex99_1.htm EX-99.1 EX-99.1 Exhibit 99.1 Assembly Biosciences Announces Pricing of $100 Million Offering of Common Stock and Pre-Funded Warrants SOUTH SAN FRANCISCO, Calif. - May 22, 2026 - Assembly Biosciences, Inc. (Nasdaq: ASMB), a biotechnology company developing innovative therapeutics targeting serious viral and liver diseases, today announced the pricing of an underwritten, registered offering (the offering) of an aggregate of 3,358,602 shares of common stock at an of…
Read attachment ↗asmb-ex99_2.htm · 8-K · 2026-05-26
EX-99.2 6 asmb-ex99_2.htm EX-99.2 EX-99.2 Exhibit 99.2 Assembly Biosciences Announces the Closing of its Offering of Common Stock and Pre-Funded Warrants and Full Exercise of the Underwriters’ Option to Purchase Additional Shares SOUTH SAN FRANCISCO, Calif. - May 26, 2026 - Assembly Biosciences, Inc. (Nasdaq: ASMB), a biotechnology company developing innovative therapeutics targeting serious viral and liver diseases, today announced the closing of its previously announced underwritten reg…
Read attachment ↗