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 |
| 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 |
| 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 |
| Anuj Gaggar | ▲ Buy | Grant | 14,000 | $0 | 3/29/2026 |
| Jeanette M. Bjorkquist | ▲ Buy | Grant | 6,500 | $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 |
| John G. McHutchison | ▼ Sell | Open Market | 757 | $7K | 3/31/2025 |
| Jeanette M. Bjorkquist | ▼ Sell | Open Market | 180 | $2K | 3/31/2025 |
| Jason A. Okazaki | ▼ Sell | Open Market | 355 | $3K | 3/31/2025 |
| Nicole S. White | ▼ Sell | Open Market | 197 | $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 |
| John G. McHutchison | ▼ Sell | Open Market | 1,206 | $16K | 4/1/2024 |
| Jeanette M. Bjorkquist | ▼ Sell | Open Market | 114 | $1K | 4/1/2024 |
| Nicole S. White | ▼ Sell | Open Market | 197 | $3K | 4/1/2024 |
| Jason A. Okazaki | ▼ Sell | Open Market | 354 | $5K | 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 |
| William E. Delaney IV | ▲ Buy | Grant | 40,000 | $0 | 6/22/2023 |
| Jason A. Okazaki | ▲ Buy | Grant | 50,000 | $0 | 6/22/2023 |
| William E. Delaney IV | ▼ Sell | Open Market | 4,232 | $4K | 5/30/2023 |
| John G. McHutchison | ▼ Sell | Open Market | 25,972 | $27K | 5/23/2023 |
| Jeanette M. Bjorkquist | ▼ Sell | Open Market | 274 | $285 | 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 |
| John G. McHutchison | ▲ Buy | Grant | 117,500 | $0 | 5/22/2023 |
| Jeanette M. Bjorkquist | ▲ Buy | Grant | 1,500 | $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 |
| John G. McHutchison | ▼ Sell | Open Market | 14,883 | $12K | 3/30/2023 |
| 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 |
| 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 |
| Samar Michael P. | ▲ Buy | Grant | 26,250 | $0 | 3/29/2022 |
| Stamm Luisa M | ▲ Buy | Grant | 22,500 | $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 |