Form 4 Filing for Assembly Biosciences, Inc.

This filing details transactions by Nicole S. White, Chief Manufacturing Officer of Assembly Biosciences, Inc. On March 29, 2026, Ms. White was granted 26,000 restricted stock units (RSUs) which vest in four equal installments through March 29, 2030. These RSUs represent 65% of her annual equity grant, with the remainder contingent on stockholder approval of an increase in authorized shares under the company's stock incentive plan. On March 30, 2026, Ms. White sold 188 shares and 9 shares of common stock at weighted average prices of $26.6502 and $27.49 respectively. These sales were mandated to cover tax withholding obligations upon the vesting and settlement of RSUs, as per company policy, and do not represent discretionary transactions.