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: 8/20/2025ACC: 0001415889-25-022520
Officer· Chief Financial Officer
Since Mar 2026
-7.55K
Net shares
Net seller
$30.6K
Total sold
0
Open market trades
0B · 0S
6
Total transactions
19.37K acquired · 26.92K disposed
Non-Derivative Transactions4
Common Stock
Direct
Shares
+6.32K
Price / share
—
Trade value
—
% of position
11.3%
8/18/2025
55.75K→62.07K
Common Stock
Direct
Shares
−2.46K
Price / share
$4.06
Trade value
$10K
% of position
4.0%
8/18/2025
62.07K→59.60K
Common Stock
Direct
Shares
+13.05K
Price / share
—
Trade value
—
% of position
21.9%
8/18/2025
59.60K→72.66K
Common Stock
Direct
Shares
−5.08K
Price / share
$4.06
Trade value
$20.64K
% of position
7.0%
8/18/2025
72.66K→67.57K
Total
Net shares
+11.82K
Net value
-$30.64K
| Security | Date | Type | Shares | Price / Share | Trade Value | % of Position | Held Before | Held After |
|---|---|---|---|---|---|---|---|---|
| Common Stock Direct | 8/18/2025 | M · Option Exercise | +6.32K | — | — | 11.3% | 55.75K | 62.07K |
| Common Stock Direct | 8/18/2025 | F · Tax Withholding | −2.46K | $4.06 | $10K | 4.0% | 62.07K | 59.60K |
| Common Stock Direct | 8/18/2025 | M · Option Exercise | +13.05K | — | — | 21.9% | 59.60K | 72.66K |
| Common Stock Direct | 8/18/2025 | F · Tax Withholding | −5.08K | $4.06 | $20.64K | 7.0% | 72.66K | 67.57K |
| Total | +11.82K | -$30.64K | ||||||
Derivative Transactions2
Restricted Stock Units
Direct
Converts to
Common Stock
6.32K shares
Shares
−6.32K
Strike price
Held after
69.53K
Exercisable
—
8/18/2025
Restricted Stock Units
Direct
Converts to
Common Stock
13.05K shares
Shares
−13.05K
Strike price
Held after
187.06K
Exercisable
—
8/18/2025
| Security | Converts To | Date | Type | Shares | Strike Price | Exercisable | Held After |
|---|---|---|---|---|---|---|---|
| Restricted Stock Units Direct | Common Stock6.32K shares | 8/18/2025 | M · Option Exercise | −6.32K | — | 69.53K | |
| Restricted Stock Units Direct | Common Stock13.05K shares | 8/18/2025 | M · Option Exercise | −13.05K | — | 187.06K |