Form 4 Filing for Delaney William E IV

Delaney William E IV, Chief Scientific Officer of ASSEMBLY BIOSCIENCES, INC., acquired 26,000 units of Common Stock on March 29, 2026. This acquisition was part of a restricted stock unit (RSU) grant, with 65% of the grant contingent upon stockholder approval of an amendment to the Issuer's Stock Incentive Plan. The RSUs vest in four equal installments through March 29, 2030. The filing also notes that Mr. IV acquired an additional 2,909 shares under the Employee Stock Purchase Plan on May 14, 2025. Following these transactions, Mr. IV directly owns 45,642 shares.