REINHART JAMES G. (Chief Executive Officer) sold 9.2% of their position (171.06K shares) of THREDUP INC. on the open market

Open‑market sale worth $441.5K — a moderate reduction. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 3 sales

REINHART JAMES G.

Filed: 9/2/2026ACC: 0001628280-26-060220

InsiderREINHART JAMES G.CIK 1849447

→

IssuerTHREDUP INC.CIK 1484778

DirectorOfficer· Chief Executive Officer

Since Mar 2021

-171.06K

Net shares

Net seller

$441.5K

Total sold

Open market trades

0B · 3S

Total transactions

330.65K acquired · 501.71K disposed

Non-Derivative Transactions6

Class A Common Stock

Direct

M · Option Exercise

+166.67K

Price / share

—

Trade value

—

% of position

10.9%

9/1/2026

1.53M→1.70M

Class A Common Stock

Direct

M · Option Exercise

+111.67K

Price / share

—

Trade value

—

% of position

6.9%

9/1/2026

1.61M→1.72M

Class A Common Stock

Direct

M · Option Exercise

+52.32K

Price / share

—

Trade value

—

% of position

3.1%

9/1/2026

1.67M→1.72M

Class A Common Stock

Direct

S · Sale

−86.22K

Price / share

$2.58

Trade value

$222.56K

% of position

5.1%

9/2/2026

1.70M→1.61M

Class A Common Stock

Direct

S · Sale

−57.77K

Price / share

$2.58

Trade value

$149.12K

% of position

3.4%

9/2/2026

1.72M→1.67M

Class A Common Stock

Direct

S · Sale

−27.07K

Price / share

$2.58

Trade value

$69.87K

% of position

1.6%

9/2/2026

1.72M→1.69M

Total

Net shares

+159.59K

Net value

-$441.55K

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	+166.67K	—	—	10.9%	1.53M	1.70M
Class A Common Stock Direct	9/1/2026	M · Option Exercise	+111.67K	—	—	6.9%	1.61M	1.72M
Class A Common Stock Direct	9/1/2026	M · Option Exercise	+52.32K	—	—	3.1%	1.67M	1.72M
Class A Common Stock Direct	9/2/2026	S · Sale	−86.22K	$2.58	$222.56K	5.1%	1.70M	1.61M
Class A Common Stock Direct	9/2/2026	S · Sale	−57.77K	$2.58	$149.12K	3.4%	1.72M	1.67M
Class A Common Stock Direct	9/2/2026	S · Sale	−27.07K	$2.58	$69.87K	1.6%	1.72M	1.69M
Total			+159.59K		-$441.55K

Derivative Transactions3

Restricted Stock Units

Direct

M · Option Exercise

Converts to

Class A Common Stock

166.67K shares

−166.67K

Strike price

Held after

1.36M

Exercisable

—

9/1/2026

Restricted Stock Units

Direct

M · Option Exercise

Converts to

Class A Common Stock

111.67K shares

−111.67K

Strike price

Held after

1.25M

Exercisable

—

9/1/2026

Restricted Stock Units

Direct

M · Option Exercise

Converts to

Class A Common Stock

52.32K shares

−52.32K

Strike price

Held after

1.20M

Exercisable

—

9/1/2026

Security	Converts To	Date	Type	Shares	Exercisable	Held After
Restricted Stock Units Direct	Class A Common Stock166.67K shares	9/1/2026	M · Option Exercise	−166.67K	—	1.36M
Restricted Stock Units Direct	Class A Common Stock111.67K shares	9/1/2026	M · Option Exercise	−111.67K	—	1.25M
Restricted Stock Units Direct	Class A Common Stock52.32K shares	9/1/2026	M · Option Exercise	−52.32K	—	1.20M