Form 4 Filing for ANAPTYSBIO, INC.

This filing details a Form 4 filed by Christopher M. Murphy, Chief Financial Officer of ANAPTYSBIO, INC. On May 11, 2026, Mr. Murphy was granted 25,765 Restricted Stock Units (RSUs) of the company's Common Stock. These RSUs have a transaction value of $0.00 per share. The RSUs vest over four years, with 25% vesting annually starting May 11, 2027, contingent upon continued service. Each RSU represents a contingent right to one share of the Issuer's Common Stock upon settlement. Following this transaction, Mr. Murphy holds 25,765 shares of Common Stock underlying the RSUs.