MKSI
Semiconductors NASDAQ NMS - GLOBAL MARKET

MKSI MKS Incorporated

4 members of Congress traded MKSI 23 times between 2018 and 2025.

23
Total Trades
4
Politicians
52%
Buys
2018–2025
Active Period

Party Breakdown

Republican
7 trades
Democrat
16 trades

Democrats account for 70% of disclosed MKSI trades in Congress.

Activity by Year

2025
13
2023
1
2022
1
2020
2
2019
1
2018
5

Disclosed Trades

23 trades
Politician
Type
Date
Size
Sell
Oct 31, 2025
$1K
Buy
Oct 30, 2025
$1K
Sell
Oct 30, 2025
$1K
Buy
Aug 4, 2025
$1K
Sell
Apr 17, 2025
$1K
Sell
Apr 16, 2025
$1K
Sell
Apr 15, 2025
$1K
Sell
Apr 15, 2025
$15K
Buy
Apr 10, 2025
$1K
Buy
Apr 8, 2025
$1K
Buy
Apr 4, 2025
$1K
Buy
Apr 3, 2025
$15K
Buy
Apr 3, 2025
$1K
Sell
Apr 3, 2023
$1K
Buy
Mar 30, 2022
$1K
Sell
May 20, 2020
$1K
Buy
Jan 8, 2020
$1K
Sell
Mar 25, 2019
$1K
Sell
Nov 13, 2018
$1K
Buy
Oct 25, 2018
$1K
Buy
Oct 2, 2018
$1K
Sell
Aug 21, 2018
$1K
Buy
Jul 18, 2018
$1K

All data covers 2012 to end of 2025.

This is the historical record

MKSI is still being traded in Congress today.

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