SCHWARTZ SOPHIA (General Counsel and Secretary) sold 11.3% of their position (43.02K shares) of NEXTDOOR HOLDINGS, INC. on the open market

Open‑market sale worth $66.0K — a moderate reduction. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 1 sale

SCHWARTZ SOPHIA

Filed: 4/17/2026ACC: 0001846069-26-000083

InsiderSCHWARTZ SOPHIACIK 2022306

→

IssuerNEXTDOOR HOLDINGS, INC.CIK 1846069

Officer· General Counsel and Secretary

Since Mar 2026

-115.28K

Net shares

Net seller

$175.9K

Total sold

Open market trades

0B · 1S

Total transactions

165.07K acquired · 280.35K disposed

Non-Derivative Transactions9

Class A Common Stock

Direct

M · Option Exercise

+19.71K

Price / share

—

Trade value

—

% of position

6.9%

4/15/2026

286.59K→306.29K

Class A Common Stock

Direct

F · Tax Withholding

−8.63K

Price / share

$1.52

Trade value

$13.11K

% of position

2.8%

4/15/2026

306.29K→297.67K

Class A Common Stock

Direct

M · Option Exercise

+91.67K

Price / share

—

Trade value

—

% of position

30.8%

4/15/2026

297.67K→389.33K

Class A Common Stock

Direct

F · Tax Withholding

−40.13K

Price / share

$1.52

Trade value

$61K

% of position

10.3%

4/15/2026

389.33K→349.20K

Class A Common Stock

Direct

M · Option Exercise

+24.22K

Price / share

—

Trade value

—

% of position

6.9%

4/15/2026

349.20K→373.43K

Class A Common Stock

Direct

F · Tax Withholding

−10.61K

Price / share

$1.52

Trade value

$16.12K

% of position

2.8%

4/15/2026

373.43K→362.82K

Class A Common Stock

Direct

M · Option Exercise

+29.47K

Price / share

—

Trade value

—

% of position

8.1%

4/15/2026

362.82K→392.29K

Class A Common Stock

Direct

F · Tax Withholding

−12.90K

Price / share

$1.52

Trade value

$19.61K

% of position

3.3%

4/15/2026

392.29K→379.39K

Class A Common Stock

Direct

S · Sale

−43.02K

Price / share

$1.53

Trade value

$66.02K

% of position

11.3%

4/16/2026

379.39K→336.37K

Total

Net shares

+49.79K

Net value

-$175.87K

Security	Date	Type	Shares	Price / Share	Trade Value	% of Position	Held Before	Held After
Class A Common Stock Direct	4/15/2026	M · Option Exercise	+19.71K	—	—	6.9%	286.59K	306.29K
Class A Common Stock Direct	4/15/2026	F · Tax Withholding	−8.63K	$1.52	$13.11K	2.8%	306.29K	297.67K
Class A Common Stock Direct	4/15/2026	M · Option Exercise	+91.67K	—	—	30.8%	297.67K	389.33K
Class A Common Stock Direct	4/15/2026	F · Tax Withholding	−40.13K	$1.52	$61K	10.3%	389.33K	349.20K
Class A Common Stock Direct	4/15/2026	M · Option Exercise	+24.22K	—	—	6.9%	349.20K	373.43K
Class A Common Stock Direct	4/15/2026	F · Tax Withholding	−10.61K	$1.52	$16.12K	2.8%	373.43K	362.82K
Class A Common Stock Direct	4/15/2026	M · Option Exercise	+29.47K	—	—	8.1%	362.82K	392.29K
Class A Common Stock Direct	4/15/2026	F · Tax Withholding	−12.90K	$1.52	$19.61K	3.3%	392.29K	379.39K
Class A Common Stock Direct	4/16/2026	S · Sale	−43.02K	$1.53	$66.02K	11.3%	379.39K	336.37K
Total			+49.79K		-$175.87K

Derivative Transactions4

Restricted Stock Units (RSU)

Direct

M · Option Exercise

Converts to

Class A Common Stock

19.71K shares

−19.71K

Strike price

Held after

0.00

Exercisable

—

4/15/2026

Restricted Stock Units (RSU)

Direct

M · Option Exercise

Converts to

Class A Common Stock

91.67K shares

−91.67K

Strike price

Held after

275K

Exercisable

—

4/15/2026

Restricted Stock Units (RSU)

Direct

M · Option Exercise

Converts to

Class A Common Stock

24.22K shares

−24.22K

Strike price

Held after

72.67K

Exercisable

—

4/15/2026

Restricted Stock Units (RSU)

Direct

M · Option Exercise

Converts to

Class A Common Stock

29.47K shares

−29.47K

Strike price

Held after

442.09K

Exercisable

—

4/15/2026

Security	Converts To	Date	Type	Shares	Exercisable	Held After
Restricted Stock Units (RSU) Direct	Class A Common Stock19.71K shares	4/15/2026	M · Option Exercise	−19.71K	—	0.00
Restricted Stock Units (RSU) Direct	Class A Common Stock91.67K shares	4/15/2026	M · Option Exercise	−91.67K	—	275K
Restricted Stock Units (RSU) Direct	Class A Common Stock24.22K shares	4/15/2026	M · Option Exercise	−24.22K	—	72.67K
Restricted Stock Units (RSU) Direct	Class A Common Stock29.47K shares	4/15/2026	M · Option Exercise	−29.47K	—	442.09K