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
-25.54K
Net shares
Net seller
$90.7K
Total sold
0
Open market trades
0B · 0S
12
Total transactions
80.06K acquired · 105.60K disposed
Non-Derivative Transactions8

Common Stock

Direct
M · Option Exercise

Shares

+7.85K

Price / share

Trade value

% of position

0.1%
5/18/2026
5.42M5.43M

Common Stock

Direct
F · Tax Withholding

Shares

1.91K

Price / share

$3.55

Trade value

$6.79K

% of position

0.0%
5/18/2026
5.43M5.43M

Common Stock

Direct
M · Option Exercise

Shares

+14.73K

Price / share

Trade value

% of position

0.3%
5/18/2026
5.43M5.44M

Common Stock

Direct
F · Tax Withholding

Shares

3.59K

Price / share

$3.55

Trade value

$12.74K

% of position

0.1%
5/18/2026
5.44M5.44M

Common Stock

Direct
M · Option Exercise

Shares

+19.33K

Price / share

Trade value

% of position

0.4%
5/18/2026
5.44M5.46M

Common Stock

Direct
F · Tax Withholding

Shares

5.03K

Price / share

$3.55

Trade value

$17.86K

% of position

0.1%
5/18/2026
5.46M5.45M

Common Stock

Direct
M · Option Exercise

Shares

+38.14K

Price / share

Trade value

% of position

0.7%
5/18/2026
5.45M5.49M

Common Stock

Direct
F · Tax Withholding

Shares

15.01K

Price / share

$3.55

Trade value

$53.28K

% of position

0.3%
5/18/2026
5.49M5.48M
Total

Net shares

+54.52K

Net value

-$90.67K

Derivative Transactions4

Restricted Stock Units

Direct
M · Option Exercise
Converts to

Common Stock

7.85K shares

Shares

7.85K

Strike price

Held after

39.27K

Exercisable

5/18/2026

Restricted Stock Units

Direct
M · Option Exercise
Converts to

Common Stock

14.73K shares

Shares

14.73K

Strike price

Held after

162.07K

Exercisable

5/18/2026

Restricted Stock Units

Direct
M · Option Exercise
Converts to

Common Stock

19.33K shares

Shares

19.33K

Strike price

Held after

328.70K

Exercisable

5/18/2026

Restricted Stock Units

Direct
M · Option Exercise
Converts to

Common Stock

38.14K shares

Shares

38.14K

Strike price

Held after

877.27K

Exercisable

5/18/2026
JIANG WENBIN — Insider Transaction (Form 4) Filed May 20, 2026 | Finecho