REINHART JAMES G. (Chief Executive Officer) sold 10.2% of their position (174.91K shares) of THREDUP INC. on the open market

Open‑market sale worth $775.6K — a moderate reduction. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 3 sales

REINHART JAMES G.

Filed: 6/3/2026ACC: 0001628280-26-040383

InsiderREINHART JAMES G.CIK 1849447

→

IssuerTHREDUP INC.CIK 1484778

DirectorOfficer· Chief Executive Officer

Since Mar 2021

-174.91K

Net shares

Net seller

$775.6K

Total sold

Open market trades

0B · 3S

Total transactions

330.65K acquired · 505.56K disposed

Non-Derivative Transactions6

Class A Common Stock

Direct

M · Option Exercise

+166.67K

Price / share

—

Trade value

—

% of position

12.1%

6/1/2026

1.38M→1.54M

Class A Common Stock

Direct

M · Option Exercise

+111.67K

Price / share

—

Trade value

—

% of position

7.7%

6/1/2026

1.45M→1.57M

Class A Common Stock

Direct

M · Option Exercise

+52.32K

Price / share

—

Trade value

—

% of position

3.5%

6/1/2026

1.51M→1.56M

Class A Common Stock

Direct

S · Sale

−88.16K

Price / share

$4.43

Trade value

$390.97K

% of position

5.7%

6/2/2026

1.54M→1.45M

Class A Common Stock

Direct

S · Sale

−59.07K

Price / share

$4.43

Trade value

$261.95K

% of position

3.8%

6/2/2026

1.57M→1.51M

Class A Common Stock

Direct

S · Sale

−27.68K

Price / share

$4.43

Trade value

$122.72K

% of position

1.8%

6/2/2026

1.56M→1.53M

Total

Net shares

+155.74K

Net value

-$775.64K

Security	Date	Type	Shares	Price / Share	Trade Value	% of Position	Held Before	Held After
Class A Common Stock Direct	6/1/2026	M · Option Exercise	+166.67K	—	—	12.1%	1.38M	1.54M
Class A Common Stock Direct	6/1/2026	M · Option Exercise	+111.67K	—	—	7.7%	1.45M	1.57M
Class A Common Stock Direct	6/1/2026	M · Option Exercise	+52.32K	—	—	3.5%	1.51M	1.56M
Class A Common Stock Direct	6/2/2026	S · Sale	−88.16K	$4.43	$390.97K	5.7%	1.54M	1.45M
Class A Common Stock Direct	6/2/2026	S · Sale	−59.07K	$4.43	$261.95K	3.8%	1.57M	1.51M
Class A Common Stock Direct	6/2/2026	S · Sale	−27.68K	$4.43	$122.72K	1.8%	1.56M	1.53M
Total			+155.74K		-$775.64K

Derivative Transactions3

Restricted Stock Units

Direct

M · Option Exercise

Converts to

Class A Common Stock

166.67K shares

−166.67K

Strike price

Held after

1.69M

Exercisable

—

6/1/2026

Restricted Stock Units

Direct

M · Option Exercise

Converts to

Class A Common Stock

111.67K shares

−111.67K

Strike price

Held after

1.58M

Exercisable

—

6/1/2026

Restricted Stock Units

Direct

M · Option Exercise

Converts to

Class A Common Stock

52.32K shares

−52.32K

Strike price

Held after

1.53M

Exercisable

—

6/1/2026

Security	Converts To	Date	Type	Shares	Exercisable	Held After
Restricted Stock Units Direct	Class A Common Stock166.67K shares	6/1/2026	M · Option Exercise	−166.67K	—	1.69M
Restricted Stock Units Direct	Class A Common Stock111.67K shares	6/1/2026	M · Option Exercise	−111.67K	—	1.58M
Restricted Stock Units Direct	Class A Common Stock52.32K shares	6/1/2026	M · Option Exercise	−52.32K	—	1.53M