Form 4 Filing by Matthew Christopher Thomson

This filing details transactions by Matthew Christopher Thomson, Head of Revenue at Blend Labs, Inc. On May 20, 2026, Thomson acquired 100,000 shares of Class A Common Stock through the vesting of Restricted Stock Units (RSUs). The RSUs, each representing one share, will vest over four years. Additionally, Thomson disposed of 24,797 shares of Class A Common Stock for $1.48 per share, withholding shares to cover tax obligations related to RSU vesting. Following these transactions, Thomson directly holds 75,203 shares of Class A Common Stock and has 1,500,000 RSUs remaining.