{"transactions":[{"id":747786,"issuer":{"id":5216,"kind":"organization","name":"ASSEMBLY BIOSCIENCES, INC."},"owners":[{"id":40889,"kind":"person","name":"Houghton Michael","position":1,"cik":"0001873008","reported_name":"Houghton Michael","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock Option (right to buy)","published_at":"2026-06-05T20:40:09.000Z","date":"2026-06-04","kind":"grant","planned":false,"acquired":true,"shares":8000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Grant of stock options. The stock options vest, assuming continuous service, upon the earlier of (1) June 4, 2027 and (2) the date of the Issuer's 2027 annual meeting of stockholders."}],"balance_after":8000,"derivative":{"exercise_price":24.11,"expiration_date":"2036-06-04","underlying":"Common Stock","underlying_shares":8000},"source":{"system":"sec-edgar","filing":"0001193125-26-259776","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1426800/000119312526259776/ownership.xml","form_type":"4"}},{"id":1117773,"issuer":{"id":5216,"kind":"organization","name":"ASSEMBLY BIOSCIENCES, INC."},"owners":[{"id":40889,"kind":"person","name":"Houghton Michael","position":1,"cik":"0001873008","reported_name":"Houghton Michael","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock Option (right to buy)","published_at":"2025-06-09T20:05:21.000Z","date":"2025-06-05","kind":"grant","planned":false,"acquired":true,"shares":3500,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Grant of stock options. The stock options vest, assuming continuous service, upon the earlier of (1) June 5, 2026 and (2) the date of the Issuer's 2026 annual meeting of stockholders."}],"balance_after":3500,"derivative":{"exercise_price":15.81,"expiration_date":"2035-06-05","underlying":"Common Stock","underlying_shares":3500},"source":{"system":"sec-edgar","filing":"0000950170-25-083704","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1426800/000095017025083704/ownership.xml","form_type":"4"}},{"id":1319783,"issuer":{"id":5216,"kind":"organization","name":"ASSEMBLY BIOSCIENCES, INC."},"owners":[{"id":40889,"kind":"person","name":"Houghton Michael","position":1,"cik":"0001873008","reported_name":"Houghton Michael","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2024-12-31T21:24:14.000Z","date":"2024-12-30","kind":"purchase","planned":false,"acquired":true,"shares":3202,"price":15.6145,"value":49997.629,"ownership":{"direct":false,"nature":"By IRA"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $15.54 to $15.70, inclusive. The reporting person undertakes to provide the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within."}],"balance_after":3202,"source":{"system":"sec-edgar","filing":"0000950170-24-141616","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1426800/000095017024141616/ownership.xml","form_type":"4"}},{"id":1497758,"issuer":{"id":5216,"kind":"organization","name":"ASSEMBLY BIOSCIENCES, INC."},"owners":[{"id":40889,"kind":"person","name":"Houghton Michael","position":1,"cik":"0001873008","reported_name":"Houghton Michael","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock Option (right to buy)","published_at":"2024-05-30T20:10:05.000Z","date":"2024-05-29","kind":"grant","planned":false,"acquired":true,"shares":2750,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Grant of stock options. The stock options vest, assuming continuous service, upon the earlier of (1) May 29, 2025 and (2) the date of the Issuer's 2025 annual meeting of stockholders."}],"balance_after":2750,"derivative":{"exercise_price":15.06,"expiration_date":"2034-05-29","underlying":"Common Stock","underlying_shares":2750},"source":{"system":"sec-edgar","filing":"0000950170-24-066585","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1426800/000095017024066585/ownership.xml","form_type":"4"}},{"id":1874683,"issuer":{"id":5216,"kind":"organization","name":"ASSEMBLY BIOSCIENCES, INC."},"owners":[{"id":40889,"kind":"person","name":"Houghton Michael","position":1,"cik":"0001873008","reported_name":"Houghton Michael","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock Option (right to buy)","published_at":"2023-05-30T20:20:10.000Z","date":"2023-05-25","kind":"grant","planned":false,"acquired":true,"shares":20000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Grant of stock options. The stock options vest, assuming continuous service, upon the earlier of (1) May 25, 2024 and (2) the date of the Issuer's 2024 annual meeting of stockholders."}],"balance_after":20000,"derivative":{"exercise_price":0.972,"expiration_date":"2033-05-25","underlying":"Common Stock","underlying_shares":20000},"source":{"system":"sec-edgar","filing":"0001209191-23-032874","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1426800/000120919123032874/doc4.xml","form_type":"4"}},{"id":2253234,"issuer":{"id":5216,"kind":"organization","name":"ASSEMBLY BIOSCIENCES, INC."},"owners":[{"id":40889,"kind":"person","name":"Houghton Michael","position":1,"cik":"0001873008","reported_name":"Houghton Michael","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock Option (right to buy)","published_at":"2022-05-27T20:34:16.000Z","date":"2022-05-25","kind":"grant","acquired":true,"shares":20000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Grant of stock options. The stock options vest, assuming continuous service, upon the earlier of (1) May 25, 2023 and (2) the date of the Issuer's 2023 annual meeting of stockholders."}],"balance_after":20000,"derivative":{"exercise_price":1.69,"expiration_date":"2032-05-25","underlying":"Common Stock","underlying_shares":20000},"source":{"system":"sec-edgar","filing":"0001209191-22-032569","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1426800/000120919122032569/doc4.xml","form_type":"4"}},{"id":2629164,"issuer":{"id":5216,"kind":"organization","name":"ASSEMBLY BIOSCIENCES, INC."},"owners":[{"id":40889,"kind":"person","name":"Houghton Michael","position":1,"cik":"0001873008","reported_name":"Houghton Michael","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock Option (right to buy)","published_at":"2021-07-20T21:19:15.000Z","date":"2021-07-19","kind":"grant","acquired":true,"shares":30000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Grant of stock options. The stock options vest in three equal installments, assuming continuous service on each vesting date, as follows: July 19, 2022; July 19, 2023; and July 19, 2024."}],"balance_after":30000,"derivative":{"exercise_price":3.5,"expiration_date":"2031-07-19","underlying":"Common Stock","underlying_shares":30000},"source":{"system":"sec-edgar","filing":"0001209191-21-047430","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1426800/000120919121047430/doc4.xml","form_type":"4"}}]}