X0609 4 2026-10-15 0 0001846069 Nextdoor Holdings, Inc. NXDR 0002022306 Schwartz Sophia false 420 TAYLOR STREET SAN FRANCISCO CA 94102 0 1 0 0 Chief Legal Officer, Secretary 1 Class A Common Stock 2026-10-15 4 M 0 91667 0 A 428564 D Class A Common Stock 2026-10-15 4 F 0 46549 2.60 D 382015 D Class A Common Stock 2026-10-15 4 M 0 24225 0 A 406240 D Class A Common Stock 2026-10-15 4 F 0 12302 2.60 D 393938 D Class A Common Stock 2026-10-15 4 M 0 29473 0 A 423411 D Class A Common Stock 2026-10-15 4 F 0 14967 2.60 D 408444 D Class A Common Stock 2026-10-16 4 S 0 48120 2.5085 D 360324 D Restricted Stock Units (RSU) 2026-10-15 4 M 0 91667 0 D Class A Common Stock 91667 91667 D Restricted Stock Units (RSU) 2026-10-15 4 M 0 24225 0 D Class A Common Stock 24225 24225 D Restricted Stock Units (RSU) 2026-10-15 4 M 0 29473 0 D Class A Common Stock 29473 383142 D Sale of shares made pursuant to and in accordance with the requirements of Rule 10b5-1 under the Securities Exchange Act of 1934, as amended, under a plan adopted by the Reporting Person on September 4, 2025. Each restricted stock unit ("RSU") represents a contingent right to receive one share of the Issuer's Class A Common Stock. The RSU award vests in eight equal quarterly installments on January 15, April 15, July 15 and October 15 of each calendar year, with the first such vesting event on April 15, 2025, subject to the reporting person's continued service to the Issuer on each vesting date. These RSUs do not expire; they either vest or are cancelled prior to the vesting date. The RSU award vests in four equal quarterly installments on January 15, April 15, July 15 and October 15 of each calendar year, with the first such vesting event on April 15, 2026, subject to the reporting person's continued service to the Issuer on each vesting date. The RSU award vests in equal quarterly installments over four years on January 15, April 15, July 15 and October 15 of each calendar year, with the first such vesting date on April 15, 2026, subject to the reporting person's continued service to the Issuer on each vesting date. /s/ Noah Johnson, as Attorney-in-Fact for Reporting Person 2026-10-19