Insider Transactions in Q1 2025 at Mks Instruments Inc (MKSI)
Insider Transaction List (Q1 2025)
| Date | Insider | Transaction | Ownership Type | Shares Traded | Value / Price |
|---|---|---|---|---|---|
|
Feb 18
2025
|
John Edward Williams EVP & GM, PSD |
SELL
Payment of exercise price or tax liability
|
Direct |
901
-33.05%
|
$92,803
$103.67 P/Share
|
|
Feb 18
2025
|
John Edward Williams EVP & GM, PSD |
BUY
Exercise of conversion of derivative security
|
Direct |
2,712
+29.06%
|
-
|
|
Feb 18
2025
|
Eric Robert Taranto EVP & GM, VSD |
SELL
Payment of exercise price or tax liability
|
Direct |
1,760
-9.15%
|
$181,280
$103.67 P/Share
|
|
Feb 18
2025
|
Eric Robert Taranto EVP & GM, VSD |
BUY
Exercise of conversion of derivative security
|
Direct |
5,922
+5.53%
|
-
|
|
Feb 18
2025
|
James Alan Schreiner EVP & COO, MSD |
SELL
Payment of exercise price or tax liability
|
Direct |
3,648
-13.44%
|
$375,744
$103.67 P/Share
|
|
Feb 18
2025
|
James Alan Schreiner EVP & COO, MSD |
BUY
Exercise of conversion of derivative security
|
Direct |
8,339
+5.5%
|
-
|
|
Feb 18
2025
|
David Philip Henry EVP, Operations & Corp Mktg |
SELL
Payment of exercise price or tax liability
|
Direct |
2,372
-9.57%
|
$244,316
$103.67 P/Share
|
|
Feb 18
2025
|
David Philip Henry EVP, Operations & Corp Mktg |
BUY
Exercise of conversion of derivative security
|
Direct |
8,012
+5.82%
|
-
|
|
Feb 18
2025
|
Kathleen Flaherty Burke EVP, GC & Secretary |
SELL
Payment of exercise price or tax liability
|
Direct |
3,970
-7.23%
|
$408,910
$103.67 P/Share
|
|
Feb 18
2025
|
Kathleen Flaherty Burke EVP, GC & Secretary |
BUY
Exercise of conversion of derivative security
|
Direct |
11,645
+3.7%
|
-
|
|
Feb 18
2025
|
John Tseng Chung Lee President & CEO |
SELL
Payment of exercise price or tax liability
|
Direct |
27,332
-15.67%
|
$2,815,196
$103.67 P/Share
|
|
Feb 18
2025
|
John Tseng Chung Lee President & CEO |
BUY
Exercise of conversion of derivative security
|
Direct |
61,760
+6.34%
|
-
|
|
Feb 18
2025
|
Gerard G Colella Director |
SELL
Open market or private sale
|
Indirect |
8,000
-11.76%
|
$832,000
$104.53 P/Share
|