---
title: "Assembly Biosciences (ASMB) news: offering"
url: "https://aibio.space/companies/assembly-biosciences/"
publisher: "aibio.space (Biotech Investor Relations News)"
summary: "ASMB offering news: Assembly Biosciences sets up $75,000,000 at-the-market program with Jefferies. Assembly Biosciences, Inc. (NASDAQ: ASMB), United States."
---

ASMB Assembly Biosciences, Inc. NASDAQ · United States

# Assembly Biosciences (ASMB) news ASMB offering news

Financings · 2024-11-07

## [Assembly Biosciences sets up $75,000,000 at-the-market program with Jefferies](https://aibio.space/news/assembly-biosciences-sets-up-75-000-000-market-program-jefferies/)

Jefferies will earn up to 3.0% of gross proceeds. The stock last sold at $16.65 before the agreement.

## Latest Assembly Biosciences news

We have not published a story on Assembly Biosciences yet. When there is news, it will appear here.

## Assembly Biosciences at a glance

- **Ticker**: ASMB

- **Listing**: NASDAQ

- **Country**: United States

- **Cash, Jun 30, 2026**: $320.4 million

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## What Assembly Biosciences does

Assembly Biosciences is a biotechnology company developing therapeutics for serious viral diseases. Its clinical-stage pipeline includes two long-acting helicase-primase inhibitors (HPIs) for recurrent genital herpes, an orally bioavailable hepatitis delta virus (HDV) entry inhibitor, and a next-generation capsid assembly modulator designed to disrupt the replication cycle of hepatitis B virus (HBV). Its pipeline also includes an oral broad-spectrum non-nucleoside polymerase inhibitor for transplant-associated herpesviruses, which is undergoing studies to enable a regulatory filing. In December 2025, Gilead Sciences, Inc. exercised its option under the Gilead Collaboration to license the HPI program, including the ABI-1179 and ABI-5366 candidates. The company says it will decide whether to opt in to a profit-share once Gilead provides a clinical development plan and budget. Assembly is completing Phase 2 preparation activities for ABI-6250 in HDV, with Phase 2 initiation expected in the fourth quarter of 2026, and has started a structured process to find partners for ABI-4334 in HBV. The text notes that no new drugs have been approved to treat genital herpes in the United States and the EU4/UK for more than 25 years.

| Product or program | What it is | Stage |
|---|---|---|
| ABI-1179 | Long-acting helicase-primase inhibitor for recurrent genital herpes, being transitioned to Gilead | Positive Phase 1b interim results in the Phase 1a/b study (December 2025) |
| ABI-5366 | Long-acting helicase-primase inhibitor for recurrent genital herpes, being transitioned to Gilead | Positive Phase 1b interim results from the monthly dosing cohorts (December 2025) |
| ABI-6250 | Orally bioavailable hepatitis delta virus entry inhibitor | Phase 2 initiation expected in the fourth quarter of 2026 |
| ABI-4334 | Next-generation capsid assembly modulator targeting hepatitis B virus; partnering sought | Positive Phase 1b topline results (June 2025) |
| ABI-7272 | Oral broad-spectrum non-nucleoside polymerase inhibitor for transplant-associated herpesviruses | Undergoing studies to enable a regulatory filing |

Summarised from the company's [10-K filed Mar 19, 2026](https://www.sec.gov/Archives/edgar/data/1426800/000119312526115992/asmb-20251231.htm).

## Assembly Biosciences annual financials

| Line | FY2025 | FY2024 |
|---|---|---|
| Revenue | [$72.3 million](https://www.sec.gov/Archives/edgar/data/1426800/000119312526115992/) | [$28.5 million](https://www.sec.gov/Archives/edgar/data/1426800/000119312526115992/) |
| Research and development | [$64.8 million](https://www.sec.gov/Archives/edgar/data/1426800/000119312526115992/) | [$55.9 million](https://www.sec.gov/Archives/edgar/data/1426800/000119312526115992/) |
| Net income (loss) | [-$6.1 million](https://www.sec.gov/Archives/edgar/data/1426800/000119312526115992/) | [-$40.2 million](https://www.sec.gov/Archives/edgar/data/1426800/000119312526115992/) |
| Cash from operations | [-$41.1 million](https://www.sec.gov/Archives/edgar/data/1426800/000119312526115992/) | [-$51.1 million](https://www.sec.gov/Archives/edgar/data/1426800/000119312526115992/) |
| Cash and equivalents | [$58.5 million](https://www.sec.gov/Archives/edgar/data/1426800/000119312526349236/) | [$38.3 million](https://www.sec.gov/Archives/edgar/data/1426800/000119312526115992/) |
| Short-term investments | [$189.7 million](https://www.sec.gov/Archives/edgar/data/1426800/000119312526349236/) | [$73.7 million](https://www.sec.gov/Archives/edgar/data/1426800/000119312526115992/) |

Latest balance sheet, Jun 30, 2026 (10-Q): cash and equivalents $32.3 million, plus short-term investments of $288.1 million, $320.4 million in all.

Figures as reported to the SEC in XBRL; each one links to its filing. Not adjusted, not investment advice.

## Questions about Assembly Biosciences

Has Assembly Biosciences raised money recently?

Our latest story on this, dated Nov 7, 2024: "Assembly Biosciences sets up $75,000,000 at-the-market program with Jefferies". The story links the filing or release it is based on. [Read the story](https://aibio.space/news/assembly-biosciences-sets-up-75-000-000-market-program-jefferies/).

What is the ticker symbol of Assembly Biosciences?

Assembly Biosciences, Inc. trades under the ticker ASMB on NASDAQ.

Where is Assembly Biosciences listed?

Assembly Biosciences, Inc. is listed on NASDAQ. Our directory also records these other listings: GETTEX:V7B; LS:A402CB; LSX:A402CB.

What is the SEC CIK of Assembly Biosciences?

The SEC Central Index Key (CIK) for Assembly Biosciences, Inc. is 1426800. Its filings are on SEC EDGAR.

How many shares does Assembly Biosciences have outstanding?

20,360,596 shares as of 2026-08-07, per the cover page of its 10-Q filed 2026-08-13.

Which country or territory is Assembly Biosciences listed under?

Our directory records Assembly Biosciences, Inc. under United States.

What does Assembly Biosciences do?

Our directory classifies Assembly Biosciences, Inc. as: Pharmaceuticals: Major. This is a directory classification, not a description of the pipeline.

What is the ISIN of Assembly Biosciences?

The ISIN recorded for Assembly Biosciences, Inc. is US0453962070.

Does aibio.space cover Assembly Biosciences?

aibio.space lists Assembly Biosciences, Inc. among 2,820 public biotech companies and publishes its news here as stories appear.

Where is Assembly Biosciences incorporated?

SEC records list its state or country of incorporation as DE.

What does Assembly Biosciences develop?

Assembly Biosciences is a biotechnology company developing therapeutics for serious viral diseases. Its clinical-stage pipeline includes two long-acting helicase-primase inhibitors (HPIs) for recurrent genital herpes, an orally bioavailable hepatitis delta virus (HDV) entry inhibitor, and a next-generation capsid assembly modulator designed to disrupt the replication cycle of hepatitis B virus (HBV).

What is ABI-1179 from Assembly Biosciences?

ABI-1179: Long-acting helicase-primase inhibitor for recurrent genital herpes, being transitioned to Gilead Stage: Positive Phase 1b interim results in the Phase 1a/b study (December 2025).

What is ABI-5366 from Assembly Biosciences?

ABI-5366: Long-acting helicase-primase inhibitor for recurrent genital herpes, being transitioned to Gilead Stage: Positive Phase 1b interim results from the monthly dosing cohorts (December 2025).

What was Assembly Biosciences's revenue last year?

$72.3 million for the fiscal year ended Dec 31, 2025, as reported to the SEC.

Is Assembly Biosciences profitable?

Assembly Biosciences, Inc. reported a net loss of $6.1 million for the fiscal year ended Dec 31, 2025, and used $41.1 million of cash in operations, per its annual report to the SEC.

## Investor discussion: Assembly Biosciences

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## Capital-markets timeline

Financings, listing notices, splits, legal actions and other investor events at Assembly Biosciences, newest first. Each line links the filing it comes from.

1. 2026-08-13 Mergers Reported completing an acquisition or a sale of assets. SEC Form 8-K (Items 2.01,9.01). [Source](https://www.sec.gov/Archives/edgar/data/1426800/000119312526349198/asmb-ex99_1.htm)
2. 2025-05-08 Distress Reported substantial doubt about its ability to continue as a going concern. SEC Form 10-Q. [Source](https://www.sec.gov/Archives/edgar/data/1426800/000095017025066991/asmb-20250331.htm)
3. 2024-12-19 Financings Reported an unregistered sale of its securities. SEC Form 8-K (Items 1.01,3.02,9.01). [Source](https://www.sec.gov/Archives/edgar/data/1426800/000095017024138242/asmb-20241219.htm)
4. 2024-11-07 Distress Reported substantial doubt about its ability to continue as a going concern. SEC Form 10-Q. [Source](https://www.sec.gov/Archives/edgar/data/1426800/000095017024123402/asmb-20240930.htm)
5. 2024-11-07 Financings Reported a financing. SEC Form 8-K (Items 1.01,9.01). [Source](https://www.sec.gov/Archives/edgar/data/1426800/000095017024123466/asmb-20241107.htm)

## Stock chart

Price chart and quote supplied by TradingView, delayed as the exchange requires. It loads only if you choose to show it. Information only, not investment advice. [Open NASDAQ:ASMB on TradingView](https://www.tradingview.com/symbols/NASDAQ-ASMB/).

## SEC filings and registration

- **SEC name**: Assembly Biosciences, Inc.

- **CIK**: 1426800

- **Industry (SIC)**: Pharmaceutical Preparations (2834)

- **US tickers**: ASMB (Nasdaq)

- **State or country of incorporation**: DE

- **Fiscal year ends**: December 31

- **Filer category**: Non-accelerated filer<br>Smaller reporting company

- **Business address**: TWO TOWER PLACE, SOUTH SAN FRANCISCO, CA, 94080

- **Phone**: (833) 409-4583

- **Shares outstanding**: 20,360,596 as of 2026-08-07 (10-Q filed 2026-08-13)

- **Former names**: VENTRUS BIOSCIENCES INC

### Recent filings (8-K and 6-K are the company's own announcements)

- [10-Q](https://www.sec.gov/Archives/edgar/data/1426800/000119312526349236/asmb-20260630.htm) filed 2026-08-13
- [8-K](https://www.sec.gov/Archives/edgar/data/1426800/000119312526349198/asmb-20260813.htm) filed 2026-08-13
- [8-K](https://www.sec.gov/Archives/edgar/data/1426800/000119312526259481/asmb-20260604.htm) filed 2026-06-05
- [8-K](https://www.sec.gov/Archives/edgar/data/1426800/000119312526239277/asmb-20260521.htm) filed 2026-05-26
- [424B5](https://www.sec.gov/Archives/edgar/data/1426800/000119312526237361/d35529d424b5.htm) filed 2026-05-26
- [424B5](https://www.sec.gov/Archives/edgar/data/1426800/000119312526236812/d35529d424b5.htm) filed 2026-05-22
- [8-K](https://www.sec.gov/Archives/edgar/data/1426800/000119312526235469/asmb-20260522.htm) filed 2026-05-22
- [10-Q](https://www.sec.gov/Archives/edgar/data/1426800/000119312526211987/asmb-20260331.htm) filed 2026-05-07

Source: [SEC EDGAR](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=0001426800), retrieved October 23, 2026. Shares outstanding is the cover-page figure from the latest periodic report. The SEC does not publish share prices.

## Listing details

Assembly Biosciences, Inc. is a public biotech or pharmaceutical company listed on NASDAQ under the ticker ASMB, recorded under United States. The directory classifies it as Pharmaceuticals: Major. aibio.space tracks 2,820 public biotech companies worldwide and publishes investor news on them.

- **Company**: Assembly Biosciences, Inc.

- **Ticker**: ASMB

- **Listing**: NASDAQ

- **Country or territory**: United States

- **Business scope**: Pharmaceuticals: Major

- **ISIN**: US0453962070

- **Other listed symbols**: GETTEX:V7B; LS:A402CB; LSX:A402CB

- **Last quote in directory**: 2026-10-21

- **Directory source**: [Listing page](https://www.tradingview.com/symbols/NASDAQ-ASMB/)

Listing facts come from our company directory, researched on October 22, 2026. A listing record does not certify that a security currently trades. [Tell us about a change](https://aibio.space/reputation/#update). Work at this company? [Claim this page](https://aibio.space/claim/).

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---
Source page: https://aibio.space/companies/assembly-biosciences/. Facts in aibio.space stories are checked against company filings and releases; opinion is labelled. Cite as: aibio.space, "Assembly Biosciences (ASMB) news: offering", 2026-10-31, https://aibio.space/companies/assembly-biosciences/
