ASMB · Assembly Biosciences Inc. Common Stock
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| GILEAD SCIENCES, INC. 10% Owner | ▲ Buy | Grant | 4,977,089 Shares held | 5/26/2026 | View profile |
| Alexander Schornstein 10% Owner | ▲ Buy | Open Market | 728,113 Shares held | 11/25/2024 | View profile |
| Jason A. Okazaki Chief Operating Officer | ▲ Buy | Grant | 111,916 Shares held | 3/29/2026 | View profile |
| Samar Michael P. Chief Financial Officer | ▼ Sell | Open Market | 77,228 Shares held | 7/25/2022 | View profile |
| William E. Delaney IV Chief Scientific Officer | ▲ Buy | Grant | 45,642 Shares held | 3/29/2026 | View profile |
| Stamm Luisa M Chief Medical Officer | ▼ Sell | Open Market | 40,315 Shares held | 3/30/2022 | View profile |
| Nicole S. White Chief Manufacturing Officer | ▼ Sell | Open Market | 37,477 Shares held | 3/30/2026 | View profile |
| Anuj Gaggar Chief Medical Officer | ▲ Buy | Grant | 28,000 Shares held | 3/29/2026 | View profile |
| John G. McHutchison CEO and President | ▼ Sell | Open Market | 18,347 Shares held | 3/31/2025 | View profile |
| Jeanette M. Bjorkquist Principal Accounting Officer | ▼ Sell | Open Market | 14,560 Shares held | 6/17/2026 | View profile |
| Michael Houghton | ▲ Buy | Open Market | 3,202 Shares held | 12/30/2024 | View profile |
Transaction History
| Jeanette M. Bjorkquist | ▼ Sell | Open Market | 29 | $674 | 6/17/2026 |
| GILEAD SCIENCES, INC. | ▲ Buy | Grant | 471,698 | $12.5M | 5/26/2026 |
| Jeanette M. Bjorkquist | ▼ Sell | Open Market | 312 | $8K | 3/30/2026 |
| Jeanette M. Bjorkquist | ▼ Sell | Open Market | 16 | $440 | 3/30/2026 |
| Nicole S. White | ▼ Sell | Open Market | 188 | $5K | 3/30/2026 |
| Nicole S. White | ▼ Sell | Open Market | 9 | $247 | 3/30/2026 |
| Anuj Gaggar | ▲ Buy | Grant | 14,000 | $0 | 3/29/2026 |
| Nicole S. White | ▲ Buy | Grant | 14,000 | $0 | 3/29/2026 |
| Jeanette M. Bjorkquist | ▲ Buy | Grant | 3,500 | $0 | 3/29/2026 |
| William E. Delaney IV | ▲ Buy | Grant | 14,000 | $0 | 3/29/2026 |
| Jason A. Okazaki | ▲ Buy | Grant | 50,750 | $0 | 3/29/2026 |
| Jeanette M. Bjorkquist | ▲ Buy | Grant | 6,500 | $0 | 3/29/2026 |
| Nicole S. White | ▲ Buy | Grant | 26,000 | $0 | 3/29/2026 |
| Anuj Gaggar | ▲ Buy | Grant | 26,000 | $0 | 3/29/2026 |
| William E. Delaney IV | ▲ Buy | Grant | 26,000 | $0 | 3/29/2026 |
| Jason A. Okazaki | ▲ Buy | Grant | 94,250 | $0 | 3/29/2026 |
| GILEAD SCIENCES, INC. | ▲ Buy | Open Market | 2,295,920 | — | 8/8/2025 |
| Jeanette M. Bjorkquist | ▲ Buy | Grant | 300 | $0 | 6/16/2025 |
| Jason A. Okazaki | ▼ Sell | Open Market | 355 | $3K | 3/31/2025 |
| Nicole S. White | ▼ Sell | Open Market | 197 | $2K | 3/31/2025 |
| John G. McHutchison | ▼ Sell | Open Market | 757 | $7K | 3/31/2025 |
| Jeanette M. Bjorkquist | ▼ Sell | Open Market | 180 | $2K | 3/31/2025 |
| Jeanette M. Bjorkquist | ▲ Buy | Grant | 1,655 | $0 | 3/29/2025 |
| Michael Houghton | ▲ Buy | Open Market | 3,202 | $50K | 12/30/2024 |
| GILEAD SCIENCES, INC. | ▲ Buy | Open Market | 940,499 | $20.1M | 12/19/2024 |
| Alexander Schornstein | ▲ Buy | Open Market | 2,976 | $45K | 11/25/2024 |
| Alexander Schornstein | ▲ Buy | Open Market | 5,000 | $74K | 11/25/2024 |
| Alexander Schornstein | ▲ Buy | Open Market | 17,024 | $253K | 11/22/2024 |
| Nicole S. White | ▼ Sell | Open Market | 40 | $652 | 11/18/2024 |
| Alexander Schornstein | ▲ Buy | Open Market | 10,000 | $146K | 10/8/2024 |
| Nicole S. White | ▼ Sell | Open Market | 157 | $2K | 10/3/2024 |
| Jason A. Okazaki | ▼ Sell | Open Market | 197 | $3K | 10/3/2024 |
| Nicole S. White | ▼ Sell | Open Market | 785 | $11K | 8/2/2024 |
| Jason A. Okazaki | ▼ Sell | Open Market | 981 | $14K | 8/2/2024 |
| Alexander Schornstein | ▲ Buy | Open Market | 4,438 | $56K | 7/5/2024 |
| Alexander Schornstein | ▲ Buy | Open Market | 4,562 | $56K | 7/3/2024 |
| Jeanette M. Bjorkquist | ▼ Sell | Open Market | 24 | $358 | 5/23/2024 |
| John G. McHutchison | ▼ Sell | Open Market | 2,117 | $32K | 5/23/2024 |
| Nicole S. White | ▼ Sell | Open Market | 172 | $3K | 5/23/2024 |
| Jason A. Okazaki | ▼ Sell | Open Market | 549 | $8K | 5/23/2024 |
| Nicole S. White | ▼ Sell | Open Market | 1,255 | $16K | 4/30/2024 |
| Jason A. Okazaki | ▼ Sell | Open Market | 1,569 | $20K | 4/30/2024 |
| Nicole S. White | ▲ Buy | Grant | 3,333 | $0 | 4/29/2024 |
| Jason A. Okazaki | ▲ Buy | Grant | 4,166 | $0 | 4/29/2024 |
| William E. Delaney IV | ▲ Buy | Grant | 3,333 | $0 | 4/29/2024 |
| Nicole S. White | ▼ Sell | Open Market | 197 | $3K | 4/1/2024 |
| Jeanette M. Bjorkquist | ▼ Sell | Open Market | 114 | $1K | 4/1/2024 |
| Jason A. Okazaki | ▼ Sell | Open Market | 354 | $5K | 4/1/2024 |
| John G. McHutchison | ▼ Sell | Open Market | 1,206 | $16K | 4/1/2024 |
| Jeanette M. Bjorkquist | ▲ Buy | Grant | 850 | $0 | 3/29/2024 |
| Jason A. Okazaki | ▼ Sell | Open Market | 392 | $5K | 3/27/2024 |
| Alexander Schornstein | ▲ Buy | Open Market | 345,086 | $276K | 1/18/2024 |
| Alexander Schornstein | ▲ Buy | Open Market | 299,994 | $235K | 1/17/2024 |
| Alexander Schornstein | ▲ Buy | Open Market | 100,000 | $67K | 11/21/2023 |
| Alexander Schornstein | ▲ Buy | Open Market | 300,000 | $215K | 11/20/2023 |
| Nicole S. White | ▼ Sell | Open Market | 477 | $329 | 11/17/2023 |
| Nicole S. White | ▼ Sell | Open Market | 1,891 | $2K | 10/3/2023 |
| William E. Delaney IV | ▼ Sell | Open Market | 1,891 | $2K | 10/3/2023 |
| Jason A. Okazaki | ▼ Sell | Open Market | 2,363 | $2K | 10/3/2023 |
| Nicole S. White | ▲ Buy | Grant | 10,000 | $0 | 10/2/2023 |
| William E. Delaney IV | ▲ Buy | Grant | 10,000 | $0 | 10/2/2023 |
| Jason A. Okazaki | ▲ Buy | Grant | 12,500 | $0 | 10/2/2023 |
| William E. Delaney IV | ▼ Sell | Open Market | 9,461 | $10K | 8/2/2023 |
| Jason A. Okazaki | ▼ Sell | Open Market | 11,827 | $13K | 8/2/2023 |
| Jeanette M. Bjorkquist | ▼ Sell | Open Market | 844 | $900 | 7/24/2023 |
| Jason A. Okazaki | ▲ Buy | Grant | 50,000 | $0 | 6/22/2023 |
| William E. Delaney IV | ▲ Buy | Grant | 40,000 | $0 | 6/22/2023 |
| William E. Delaney IV | ▼ Sell | Open Market | 4,232 | $4K | 5/30/2023 |
| Jeanette M. Bjorkquist | ▼ Sell | Open Market | 274 | $285 | 5/23/2023 |
| John G. McHutchison | ▼ Sell | Open Market | 25,972 | $27K | 5/23/2023 |
| William E. Delaney IV | ▼ Sell | Open Market | 6,561 | $7K | 5/23/2023 |
| Jason A. Okazaki | ▼ Sell | Open Market | 6,561 | $7K | 5/23/2023 |
| Jeanette M. Bjorkquist | ▲ Buy | Grant | 1,500 | $0 | 5/22/2023 |
| John G. McHutchison | ▲ Buy | Grant | 117,500 | $0 | 5/22/2023 |
| William E. Delaney IV | ▲ Buy | Grant | 35,000 | $0 | 5/22/2023 |
| Jason A. Okazaki | ▲ Buy | Grant | 35,000 | $0 | 5/22/2023 |
| Jeanette M. Bjorkquist | ▼ Sell | Open Market | 774 | $637 | 3/30/2023 |
| William E. Delaney IV | ▼ Sell | Open Market | 3,421 | $3K | 3/30/2023 |
| Jason A. Okazaki | ▼ Sell | Open Market | 4,247 | $3K | 3/30/2023 |
| John G. McHutchison | ▼ Sell | Open Market | 14,883 | $12K | 3/30/2023 |
| Jeanette M. Bjorkquist | ▲ Buy | Grant | 6,250 | $0 | 3/29/2023 |
| Jason A. Okazaki | ▼ Sell | Open Market | 4,693 | $5K | 3/27/2023 |
| William E. Delaney IV | ▲ Buy | Grant | 10,000 | $0 | 2/16/2023 |
| Jason A. Okazaki | ▲ Buy | Grant | 12,500 | $0 | 2/16/2023 |
| John G. McHutchison | ▼ Sell | Open Market | 12,314 | $26K | 8/8/2022 |
| Samar Michael P. | ▼ Sell | Open Market | 2,020 | $4K | 7/25/2022 |
| William E. Delaney IV | ▼ Sell | Open Market | 4,164 | $8K | 5/31/2022 |
| Samar Michael P. | ▼ Sell | Open Market | 2,285 | $5K | 3/30/2022 |
| Stamm Luisa M | ▼ Sell | Open Market | 1,038 | $2K | 3/30/2022 |
| William E. Delaney IV | ▼ Sell | Open Market | 1,038 | $2K | 3/30/2022 |
| Jason A. Okazaki | ▼ Sell | Open Market | 1,269 | $3K | 3/30/2022 |
| John G. McHutchison | ▼ Sell | Open Market | 4,614 | $10K | 3/30/2022 |
| Stamm Luisa M | ▲ Buy | Grant | 22,500 | $0 | 3/29/2022 |
| Samar Michael P. | ▲ Buy | Grant | 26,250 | $0 | 3/29/2022 |
| William E. Delaney IV | ▲ Buy | Grant | 25,000 | $0 | 3/29/2022 |
| Jason A. Okazaki | ▲ Buy | Grant | 31,250 | $0 | 3/29/2022 |
| John G. McHutchison | ▲ Buy | Grant | 83,750 | $0 | 3/29/2022 |
| Jason A. Okazaki | ▼ Sell | Open Market | 4,617 | $10K | 3/28/2022 |
AI Market Commentary
AI-generatedAll commentary →Synthesized from recent news and fundamentals/technical data -- not human analyst commentary or trader sentiment.
October 6, 2026
Assembly Biosciences to Present Phase 1a ABI-6250 Data at AASLD 2026
Assembly Biosciences announced that it will share Phase 1a safety, tolerability and target engagement results for its liver‑focused candidate ABI‑6250 at the AASLD Liver Meeting 2026. The data will be the first clinical readout for the program and could provide insight into the drug’s early performance. The announcement comes as the stock trades near its recent support level.
Assembly Biosciences to Present Phase 1a ABI-6250 Data at AASLD 2026. Assembly Biosciences announced that it will share Phase 1a safety, tolerability and target engagement results for its liver‑focused candidate ABI‑6250 at the AASLD Liver Meeting 2026. The data will be the first clinical readout for the program and could provide insight into the drug’s early performance. The announcement comes as the stock trades near its recent support level.