SOBERS SEAN (Chief Financial Officer) sold 8.9% of their position (51.22K shares) of THREDUP INC. on the open market

Open‑market sale worth $380.1K — a moderate reduction. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 3 sales

SOBERS SEAN

Filed: 12/2/2025ACC: 0001628280-25-054885

InsiderSOBERS SEANCIK 1688472

→

IssuerTHREDUP INC.CIK 1484778

Officer· Chief Financial Officer

Since Mar 2021

-50.15K

Net shares

Net seller

$380.1K

Total sold

Open market trades

0B · 3S

Total transactions

100.53K acquired · 150.68K disposed

Non-Derivative Transactions7

Class A Common Stock

Direct

A · Award

+1.07K

Price / share

$6.12

Trade value

$6.54K

% of position

0.2%

11/30/2025

476.34K→477.41K

Class A Common Stock

Direct

M · Option Exercise

+36.96K

Price / share

—

Trade value

—

% of position

7.7%

12/1/2025

477.41K→514.37K

Class A Common Stock

Direct

M · Option Exercise

+36.67K

Price / share

—

Trade value

—

% of position

7.4%

12/1/2025

495.34K→532K

Class A Common Stock

Direct

M · Option Exercise

+25.83K

Price / share

—

Trade value

—

% of position

5.0%

12/1/2025

513.12K→538.95K

Class A Common Stock

Direct

S · Sale

−19.03K

Price / share

$7.42

Trade value

$141.26K

% of position

3.7%

12/2/2025

514.37K→495.34K

Class A Common Stock

Direct

S · Sale

−18.88K

Price / share

$7.42

Trade value

$140.14K

% of position

3.5%

12/2/2025

532K→513.12K

Class A Common Stock

Direct

S · Sale

−13.30K

Price / share

$7.42

Trade value

$98.74K

% of position

2.5%

12/2/2025

538.95K→525.65K

Total

Net shares

+49.31K

Net value

-$373.59K

Security	Date	Type	Shares	Price / Share	Trade Value	% of Position	Held Before	Held After
Class A Common Stock Direct	11/30/2025	A · Award	+1.07K	$6.12	$6.54K	0.2%	476.34K	477.41K
Class A Common Stock Direct	12/1/2025	M · Option Exercise	+36.96K	—	—	7.7%	477.41K	514.37K
Class A Common Stock Direct	12/1/2025	M · Option Exercise	+36.67K	—	—	7.4%	495.34K	532K
Class A Common Stock Direct	12/1/2025	M · Option Exercise	+25.83K	—	—	5.0%	513.12K	538.95K
Class A Common Stock Direct	12/2/2025	S · Sale	−19.03K	$7.42	$141.26K	3.7%	514.37K	495.34K
Class A Common Stock Direct	12/2/2025	S · Sale	−18.88K	$7.42	$140.14K	3.5%	532K	513.12K
Class A Common Stock Direct	12/2/2025	S · Sale	−13.30K	$7.42	$98.74K	2.5%	538.95K	525.65K
Total			+49.31K		-$373.59K

Derivative Transactions3

Restricted Stock Units

Direct

M · Option Exercise

Converts to

Class A Common Stock

36.96K shares

−36.96K

Strike price

Held after

415.83K

Exercisable

—

12/1/2025

Restricted Stock Units

Direct

M · Option Exercise

Converts to

Class A Common Stock

36.67K shares

−36.67K

Strike price

Held after

379.17K

Exercisable

—

12/1/2025

Restricted Stock Units

Direct

M · Option Exercise

Converts to

Class A Common Stock

25.83K shares

−25.83K

Strike price

Held after

353.33K

Exercisable

—

12/1/2025

Security	Converts To	Date	Type	Shares	Exercisable	Held After
Restricted Stock Units Direct	Class A Common Stock36.96K shares	12/1/2025	M · Option Exercise	−36.96K	—	415.83K
Restricted Stock Units Direct	Class A Common Stock36.67K shares	12/1/2025	M · Option Exercise	−36.67K	—	379.17K
Restricted Stock Units Direct	Class A Common Stock25.83K shares	12/1/2025	M · Option Exercise	−25.83K	—	353.33K