SCHWARTZ SOPHIA (General Counsel and Secretary) sold 11.8% of their position (48.12K shares) of NEXTDOOR HOLDINGS, INC. on the open market

Open‑market sale worth $120.7K — a moderate reduction. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 1 sale

SCHWARTZ SOPHIA

Filed: 10/19/2026ACC: 0001846069-26-000188

InsiderSCHWARTZ SOPHIACIK 2022306

→

IssuerNEXTDOOR HOLDINGS, INC.CIK 1846069

Officer· General Counsel and Secretary

Since Mar 2026

-121.94K

Net shares

Net seller

$312.6K

Total sold

Open market trades

0B · 1S

Total transactions

145.37K acquired · 267.30K disposed

Non-Derivative Transactions7

Class A Common Stock

Direct

M · Option Exercise

+91.67K

Price / share

—

Trade value

—

% of position

27.2%

10/15/2026

336.90K→428.56K

Class A Common Stock

Direct

F · Tax Withholding

−46.55K

Price / share

$2.60

Trade value

$121.03K

% of position

10.9%

10/15/2026

428.56K→382.01K

Class A Common Stock

Direct

M · Option Exercise

+24.23K

Price / share

—

Trade value

—

% of position

6.3%

10/15/2026

382.01K→406.24K

Class A Common Stock

Direct

F · Tax Withholding

−12.30K

Price / share

$2.60

Trade value

$31.99K

% of position

3.0%

10/15/2026

406.24K→393.94K

Class A Common Stock

Direct

M · Option Exercise

+29.47K

Price / share

—

Trade value

—

% of position

7.5%

10/15/2026

393.94K→423.41K

Class A Common Stock

Direct

F · Tax Withholding

−14.97K

Price / share

$2.60

Trade value

$38.91K

% of position

3.5%

10/15/2026

423.41K→408.44K

Class A Common Stock

Direct

S · Sale

−48.12K

Price / share

$2.51

Trade value

$120.71K

% of position

11.8%

10/16/2026

408.44K→360.32K

Total

Net shares

+23.43K

Net value

-$312.64K

Security	Date	Type	Shares	Price / Share	Trade Value	% of Position	Held Before	Held After
Class A Common Stock Direct	10/15/2026	M · Option Exercise	+91.67K	—	—	27.2%	336.90K	428.56K
Class A Common Stock Direct	10/15/2026	F · Tax Withholding	−46.55K	$2.60	$121.03K	10.9%	428.56K	382.01K
Class A Common Stock Direct	10/15/2026	M · Option Exercise	+24.23K	—	—	6.3%	382.01K	406.24K
Class A Common Stock Direct	10/15/2026	F · Tax Withholding	−12.30K	$2.60	$31.99K	3.0%	406.24K	393.94K
Class A Common Stock Direct	10/15/2026	M · Option Exercise	+29.47K	—	—	7.5%	393.94K	423.41K
Class A Common Stock Direct	10/15/2026	F · Tax Withholding	−14.97K	$2.60	$38.91K	3.5%	423.41K	408.44K
Class A Common Stock Direct	10/16/2026	S · Sale	−48.12K	$2.51	$120.71K	11.8%	408.44K	360.32K
Total			+23.43K		-$312.64K

Derivative Transactions3

Restricted Stock Units (RSU)

Direct

M · Option Exercise

Converts to

Class A Common Stock

91.67K shares

−91.67K

Strike price

Held after

91.67K

Exercisable

—

10/15/2026

Restricted Stock Units (RSU)

Direct

M · Option Exercise

Converts to

Class A Common Stock

24.23K shares

−24.23K

Strike price

Held after

24.23K

Exercisable

—

10/15/2026

Restricted Stock Units (RSU)

Direct

M · Option Exercise

Converts to

Class A Common Stock

29.47K shares

−29.47K

Strike price

Held after

383.14K

Exercisable

—

10/15/2026

Security	Converts To	Date	Type	Shares	Exercisable	Held After
Restricted Stock Units (RSU) Direct	Class A Common Stock91.67K shares	10/15/2026	M · Option Exercise	−91.67K	—	91.67K
Restricted Stock Units (RSU) Direct	Class A Common Stock24.23K shares	10/15/2026	M · Option Exercise	−24.23K	—	24.23K
Restricted Stock Units (RSU) Direct	Class A Common Stock29.47K shares	10/15/2026	M · Option Exercise	−29.47K	—	383.14K