X0306 4/A 2021-11-05 2021-11-09 0 0001846069 Nextdoor Holdings, Inc. KIND 0001821118 Wishom Andrea M C/O NEXTDOOR HOLDINGS, INC. 420 TAYLOR STREET SAN FRANCISCO CA 94102 1 0 0 0 Stock Option (Right to Buy) 2.41 2021-11-05 4 A 0 229820 A 2030-11-12 Class B Common Stock 229820 229820 D Represents shares of Class B Common Stock received pursuant to a business combination (the "Business Combination") which was effectuated in accordance with the terms of an Agreement and Plan of Merger dated as of July 6, 2021, entered into by and among: (i) Khosla Ventures Acquisition Co. II (the "Issuer"), a Delaware corporation; (ii) Lorelei Merger Sub Inc., a Delaware corporation and a wholly-owned subsidiary of the Issuer; and (iii) Nextdoor, Inc. ("Original Nextdoor"), a Delaware corporation. As a result of the Business Combination, Original Nextdoor became a wholly-owned subsidiary of the Issuer and the Issuer was renamed "Nextdoor Holdings, Inc." Upon completion of the Business Combination, the reporting person's shares of the capital stock of Original Nextdoor were exchanged for shares of Class B Common Stock of the Issuer based on an exchange ratio of 3.1057 to 1. 62,245 of the options vest on the transaction date. The remainder will vest as to 1/48 of the total award monthly on the 29th, subject to the reporting person's continued service to the Issuer on each vesting date. This Form 4 is being amended to correct the total number of stock options that vested on the transaction date, as described on Footnote 2, above. /s/ Sophia Contreras Schwartz, as Attorney-in-Fact for Andrea Wishom 2022-01-10