MCCOMBE WILLIAM D. (Chief Financial Officer) exercised options at CYTEK BIOSCIENCES, INC.
Option exercise — a mechanical event triggered by vesting or expiry. Not a discretionary conviction trade.
M · 2 exercises
Filed: 11/20/2025ACC: 0001878824-25-000002
Officer· Chief Financial Officer
Since Mar 2026
-6.23K
Net shares
Net seller
$34.4K
Total sold
0
Open market trades
0B · 0S
6
Total transactions
19.37K acquired · 25.60K disposed
Non-Derivative Transactions4
Common Stock
Direct
Shares
+6.32K
Price / share
—
Trade value
—
% of position
9.4%
11/18/2025
67.57K→73.89K
Common Stock
Direct
Shares
−2.03K
Price / share
$5.53
Trade value
$11.24K
% of position
2.7%
11/18/2025
73.89K→71.86K
Common Stock
Direct
Shares
+13.05K
Price / share
—
Trade value
—
% of position
18.2%
11/18/2025
71.86K→84.91K
Common Stock
Direct
Shares
−4.20K
Price / share
$5.53
Trade value
$23.20K
% of position
4.9%
11/18/2025
84.91K→80.71K
Total
Net shares
+13.14K
Net value
-$34.44K
| Security | Date | Type | Shares | Price / Share | Trade Value | % of Position | Held Before | Held After |
|---|---|---|---|---|---|---|---|---|
| Common Stock Direct | 11/18/2025 | M · Option Exercise | +6.32K | — | — | 9.4% | 67.57K | 73.89K |
| Common Stock Direct | 11/18/2025 | F · Tax Withholding | −2.03K | $5.53 | $11.24K | 2.7% | 73.89K | 71.86K |
| Common Stock Direct | 11/18/2025 | M · Option Exercise | +13.05K | — | — | 18.2% | 71.86K | 84.91K |
| Common Stock Direct | 11/18/2025 | F · Tax Withholding | −4.20K | $5.53 | $23.20K | 4.9% | 84.91K | 80.71K |
| Total | +13.14K | -$34.44K | ||||||
Derivative Transactions2
Restricted Stock Units
Direct
Converts to
Common Stock
6.32K shares
Shares
−6.32K
Strike price
Held after
63.21K
Exercisable
—
11/18/2025
Restricted Stock Units
Direct
Converts to
Common Stock
13.05K shares
Shares
−13.05K
Strike price
Held after
174.01K
Exercisable
—
11/18/2025
| Security | Converts To | Date | Type | Shares | Strike Price | Exercisable | Held After |
|---|---|---|---|---|---|---|---|
| Restricted Stock Units Direct | Common Stock6.32K shares | 11/18/2025 | M · Option Exercise | −6.32K | — | 63.21K | |
| Restricted Stock Units Direct | Common Stock13.05K shares | 11/18/2025 | M · Option Exercise | −13.05K | — | 174.01K |