JIANG WENBIN

PrivateCIK: 1872873
Location

FREMONT, CA

JIANG WENBIN (President and CEO) exercised options at CYTEK BIOSCIENCES, INC.

Option exercise — a mechanical event triggered by vesting or expiry. Not a discretionary conviction trade.

M · 4 exercises
InsiderJIANG WENBINCIK 1872873
IssuerCYTEK BIOSCIENCES, INC.CIK 1831915
DirectorOfficer· President and CEO
Since Jul 2021
-27.41K
Net shares
Net seller
$151.6K
Total sold
0
Open market trades
0B · 0S
12
Total transactions
69.64K acquired · 97.05K disposed
Non-Derivative Transactions8

Common Stock

Direct
M · Option Exercise

Shares

+6.76K

Price / share

Trade value

% of position

0.1%
11/18/2025
5.31M5.32M

Common Stock

Direct
F · Tax Withholding

Shares

2.66K

Price / share

$5.53

Trade value

$14.71K

% of position

0.0%
11/18/2025
5.32M5.32M

Common Stock

Direct
M · Option Exercise

Shares

+11.78K

Price / share

Trade value

% of position

0.2%
11/18/2025
5.32M5.33M

Common Stock

Direct
F · Tax Withholding

Shares

4.64K

Price / share

$5.53

Trade value

$25.64K

% of position

0.1%
11/18/2025
5.33M5.33M

Common Stock

Direct
M · Option Exercise

Shares

+22.10K

Price / share

Trade value

% of position

0.4%
11/18/2025
5.33M5.35M

Common Stock

Direct
F · Tax Withholding

Shares

8.70K

Price / share

$5.53

Trade value

$48.09K

% of position

0.2%
11/18/2025
5.35M5.34M

Common Stock

Direct
M · Option Exercise

Shares

+29K

Price / share

Trade value

% of position

0.5%
11/18/2025
5.34M5.37M

Common Stock

Direct
F · Tax Withholding

Shares

11.41K

Price / share

$5.53

Trade value

$63.11K

% of position

0.2%
11/18/2025
5.37M5.36M
Total

Net shares

+42.23K

Net value

-$151.56K

Derivative Transactions4

Restricted Stock Units

Direct
M · Option Exercise
Converts to

Common Stock

6.76K shares

Shares

6.76K

Strike price

Held after

4.51K

Exercisable

11/18/2025

Restricted Stock Units

Direct
M · Option Exercise
Converts to

Common Stock

11.78K shares

Shares

11.78K

Strike price

Held after

62.84K

Exercisable

11/18/2025

Restricted Stock Units

Direct
M · Option Exercise
Converts to

Common Stock

22.10K shares

Shares

22.10K

Strike price

Held after

206.27K

Exercisable

11/18/2025

Restricted Stock Units

Direct
M · Option Exercise
Converts to

Common Stock

29K shares

Shares

29K

Strike price

Held after

386.70K

Exercisable

11/18/2025
JIANG WENBIN — Insider Transaction (Form 4) Filed Nov 20, 2025 | Finecho