BURKE KATHLEEN FLAHERTY (Sr. VP, GC & Secretary) exercised options at MKS INC
Option exercise — a mechanical event triggered by vesting or expiry. Not a discretionary conviction trade.
Common Stock
Shares
+3.45K
Price / share
—
Trade value
—
% of position
Common Stock
Shares
+1.79K
Price / share
—
Trade value
—
% of position
Common Stock
Shares
+562.54
Price / share
—
Trade value
—
% of position
Common Stock
Shares
+1.58K
Price / share
—
Trade value
—
% of position
Common Stock
Shares
+2.34K
Price / share
—
Trade value
—
% of position
Common Stock
Shares
+2.49K
Price / share
—
Trade value
—
% of position
Common Stock
Shares
−5.32K
Price / share
$260.74
Trade value
$1.39M
% of position
Net shares
+6.89K
Net value
-$1.39M
| Security | Date | Type | Shares | Price / Share | Trade Value | % of Position | Held Before | Held After |
|---|---|---|---|---|---|---|---|---|
| Common Stock Direct | 2/17/2026 | M · Option Exercise | +3.45K | — | — | 6.7% | 51.16K | 54.61K |
| Common Stock Direct | 2/17/2026 | M · Option Exercise | +1.79K | — | — | 3.3% | 54.61K | 56.40K |
| Common Stock Direct | 2/17/2026 | M · Option Exercise | +562.54 | — | — | 1.0% | 56.40K | 56.96K |
| Common Stock Direct | 2/17/2026 | M · Option Exercise | +1.58K | — | — | 2.8% | 56.96K | 58.54K |
| Common Stock Direct | 2/17/2026 | M · Option Exercise | +2.34K | — | — | 4.0% | 58.54K | 60.87K |
| Common Stock Direct | 2/17/2026 | M · Option Exercise | +2.49K | — | — | 4.1% | 60.87K | 63.37K |
| Common Stock Direct | 2/17/2026 | F · Tax Withholding | −5.32K | $260.74 | $1.39M | 8.4% | 63.37K | 58.05K |
| Total | +6.89K | -$1.39M | ||||||
Restricted Stock Unit
Common Stock
3.33K shares
Shares
+3.33K
Strike price
Held after
27.34K
Exercisable
—
Restricted Stock Unit
Common Stock
3.45K shares
Shares
−3.45K
Strike price
Held after
23.88K
Exercisable
—
Restricted Stock Unit
Common Stock
1.79K shares
Shares
−1.79K
Strike price
Held after
22.10K
Exercisable
—
Restricted Stock Unit
Common Stock
562.54 shares
Shares
−562.54
Strike price
Held after
21.53K
Exercisable
—
Restricted Stock Unit
Common Stock
1.58K shares
Shares
−1.58K
Strike price
Held after
19.96K
Exercisable
—
Restricted Stock Unit
Common Stock
2.34K shares
Shares
−2.34K
Strike price
Held after
17.62K
Exercisable
—
Restricted Stock Unit
Common Stock
2.49K shares
Shares
−2.49K
Strike price
Held after
15.13K
Exercisable
—
| Security | Converts To | Date | Type | Shares | Strike Price | Exercisable | Held After |
|---|---|---|---|---|---|---|---|
| Restricted Stock Unit Direct | Common Stock3.33K shares | 2/17/2026 | A · Award | +3.33K | — | 27.34K | |
| Restricted Stock Unit Direct | Common Stock3.45K shares | 2/17/2026 | M · Option Exercise | −3.45K | — | 23.88K | |
| Restricted Stock Unit Direct | Common Stock1.79K shares | 2/17/2026 | M · Option Exercise | −1.79K | — | 22.10K | |
| Restricted Stock Unit Direct | Common Stock562.54 shares | 2/17/2026 | M · Option Exercise | −562.54 | — | 21.53K | |
| Restricted Stock Unit Direct | Common Stock1.58K shares | 2/17/2026 | M · Option Exercise | −1.58K | — | 19.96K | |
| Restricted Stock Unit Direct | Common Stock2.34K shares | 2/17/2026 | M · Option Exercise | −2.34K | — | 17.62K | |
| Restricted Stock Unit Direct | Common Stock2.49K shares | 2/17/2026 | M · Option Exercise | −2.49K | — | 15.13K |