HOMER CHRISTOPHER (Chief Operating Officer) sold 4.1% of their position (60.23K shares) of THREDUP INC. on the open market

Open‑market sale worth $155.5K — a minor trim. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 3 sales

HOMER CHRISTOPHER

Filed: 9/2/2026ACC: 0001628280-26-060227

InsiderHOMER CHRISTOPHERCIK 1850197

→

IssuerTHREDUP INC.CIK 1484778

Officer· Chief Operating Officer

Since Mar 2021

-60.23K

Net shares

Net seller

$155.5K

Total sold

Open market trades

0B · 3S

Total transactions

122.50K acquired · 182.72K disposed

Non-Derivative Transactions6

Class A Common Stock

Direct

M · Option Exercise

+54.17K

Price / share

—

Trade value

—

% of position

4.1%

9/1/2026

1.34M→1.39M

Class A Common Stock

Direct

M · Option Exercise

+39.58K

Price / share

—

Trade value

—

% of position

2.9%

9/1/2026

1.36M→1.40M

Class A Common Stock

Direct

M · Option Exercise

+28.75K

Price / share

—

Trade value

—

% of position

2.1%

9/1/2026

1.38M→1.41M

Class A Common Stock

Direct

S · Sale

−26.63K

Price / share

$2.58

Trade value

$68.74K

% of position

1.9%

9/2/2026

1.39M→1.36M

Class A Common Stock

Direct

S · Sale

−19.46K

Price / share

$2.58

Trade value

$50.24K

% of position

1.4%

9/2/2026

1.40M→1.38M

Class A Common Stock

Direct

S · Sale

−14.13K

Price / share

$2.58

Trade value

$36.49K

% of position

1.0%

9/2/2026

1.41M→1.40M

Total

Net shares

+62.27K

Net value

-$155.47K

Security	Date	Type	Shares	Price / Share	Trade Value	% of Position	Held Before	Held After
Class A Common Stock Direct	9/1/2026	M · Option Exercise	+54.17K	—	—	4.1%	1.34M	1.39M
Class A Common Stock Direct	9/1/2026	M · Option Exercise	+39.58K	—	—	2.9%	1.36M	1.40M
Class A Common Stock Direct	9/1/2026	M · Option Exercise	+28.75K	—	—	2.1%	1.38M	1.41M
Class A Common Stock Direct	9/2/2026	S · Sale	−26.63K	$2.58	$68.74K	1.9%	1.39M	1.36M
Class A Common Stock Direct	9/2/2026	S · Sale	−19.46K	$2.58	$50.24K	1.4%	1.40M	1.38M
Class A Common Stock Direct	9/2/2026	S · Sale	−14.13K	$2.58	$36.49K	1.0%	1.41M	1.40M
Total			+62.27K		-$155.47K

Derivative Transactions3

Restricted Stock Units

Direct

M · Option Exercise

Converts to

Class A Common Stock

54.17K shares

−54.17K

Strike price

Held after

579.12K

Exercisable

—

9/1/2026

Restricted Stock Units

Direct

M · Option Exercise

Converts to

Class A Common Stock

39.58K shares

−39.58K

Strike price

Held after

539.53K

Exercisable

—

9/1/2026

Restricted Stock Units

Direct

M · Option Exercise

Converts to

Class A Common Stock

28.75K shares

−28.75K

Strike price

Held after

510.79K

Exercisable

—

9/1/2026

Security	Converts To	Date	Type	Shares	Exercisable	Held After
Restricted Stock Units Direct	Class A Common Stock54.17K shares	9/1/2026	M · Option Exercise	−54.17K	—	579.12K
Restricted Stock Units Direct	Class A Common Stock39.58K shares	9/1/2026	M · Option Exercise	−39.58K	—	539.53K
Restricted Stock Units Direct	Class A Common Stock28.75K shares	9/1/2026	M · Option Exercise	−28.75K	—	510.79K