X0508 4 2026-02-24 0001855747 Blend Labs, Inc. BLND 0001989648 Tkach Oxana 7250 REDWOOD BLVD., SUITE 300 NOVATO CA 94945 false true false false PRINCIPAL ACCOUNTING OFFICER 1 Class A Common Stock 2026-02-24 4 S 0 5625 1.592 D 96238 D The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on September 9, 2025. This sale price represents the weighted average sale price of the shares sold ranging from $1.57 to $1.63 per share. Upon request by the Commission staff, the Issuer, or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price within the range set forth in this Form 4. /s/ Kostian Ciko, Attorney-in-fact 2026-02-26