Figures computed from official regulatory filings — .
Analysttarget 52 USD (+131%) · consensus 5/5 · 5 buy · 0 hold · 0 sell
Ownershipinsiders 27.66% · institutions 69.52% · short 13.7% of float
In USD · as of Oct 5, 2026
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Assembly Biosciences, Inc., a biotechnology company, develops therapeutic candidates for the treatment of viral diseases worldwide. Its pipeline includes long-acting helicase-primase inhibitors candidates, including ABI-5366 and ABI-1179, which are in Phase 1 clinical studies for recurrent genital herpes; and ABI-6250, an orally bioavailable hepatitis delta virus entry inhibitor that is in Phase 1a clinical study for the treatment of chronic hepatitis delta virus (HDV) infection. The company also develops ABI-4334, an orally bioavailable next generation capsid assembly modulator that is in Phase 1b study clinical trial for the treatment of chronic hepatitis B virus (HBV) infection; and ABI-7272, an oral broad-spectrum NNPI for the treatment of transplant-associated herpesviruses. It has an option, license, and collaboration agreement with Gilead Sciences, Inc. for the research and development of virology therapies. The company was formerly known as Ventrus Biosciences, Inc. and changed its name to Assembly Biosciences, Inc. in June 2014. Assembly Biosciences, Inc. was incorporated in 2005 and is headquartered in South San Francisco, California.
Market information source · Oct 5, 2026
Periods recorded in the consulted sources. These do not certify the legal dates of name changes.
SEC company identity · Oct 5, 2026
Open-market timeline · full history
27 buys74 sells— close pricebar = usd volume, √ scaleclick a period to filter the table
| Insider | Type | Value · USD | Signals | Details | |
|---|---|---|---|---|---|
| Bjorkquist Jeanette M | Sell | $674.3 | SEC |
| Gaggar Anuj | Award | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Okazaki Jason A | Award | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| McHutchison John G | AwardD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Delaney William E IV | Award | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Consylman Gina | AwardD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| ALTIG ANTHONY E | AwardD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Bjorkquist Jeanette M | Award | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| White Nicole S | Award | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Mahony Susan | AwardD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Johnson-Pratt Lisa | AwardD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Houghton Michael | AwardD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| GILEAD SCIENCES INCtrack record | Award | $12.5M | SEC |
| Bjorkquist Jeanette M | Award | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Delaney William E IV | Award | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| White Nicole S | Sell | $5K | SEC |
| White Nicole S | Sell | $247.4 | SEC |
| Bjorkquist Jeanette M | Sell | $439.8 | SEC |
| Okazaki Jason A | Award | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Gaggar Anuj | Award | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Bjorkquist Jeanette M | Sell | $8.3K | Unusual size | SEC |
| White Nicole S | Award | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| GILEAD SCIENCES INCtrack record | Buy | n/a (No price was disclosed in the filing) | conv 56 | SEC |
| GILEAD SCIENCES INCtrack record | BuyD (derivative) | n/a (No price was disclosed in the filing) | SEC |
| GILEAD SCIENCES INCtrack record | BuyD (derivative) | n/a (No price was disclosed in the filing) | SEC |