WhoTraded

MKSI

MKS Inc · Nasdaq

Congress and insiders, last 90 days

100%selling

Share of the dollars reported

Bought $0Sold $3.1M
$3.1M
reported in 90 days
2
people traded it
0
trades by House members
2
buys and sales by insiders

Unusual activity in MKSI

Trades that stand out from what each person normally does.

Nothing here stands out from the usual pattern. That is normal: most trades are routine.

A flag means a trade differs from this person's usual pattern. It is not evidence of wrongdoing.

Who traded MKSI

6 in all
WhoSideAmountTradedReportedWait to report
Elizabeth MoraDirector · Insider filing
Sold$75KSep 1, 2026Sep 2, 20261 day
John Tseng-Chung LeeCEO · Insider filing
Sold$3MAug 14, 2026Aug 17, 20263 days
Rep. Lisa C. McClainR-MI · House · Spouse
Sold$1K to $15KOct 31, 2025Nov 21, 202521 days
Rep. Lisa C. McClainR-MI · House · Spouse
Bought$1K to $15KOct 30, 2025Nov 21, 202522 days
Rep. Lisa C. McClainR-MI · House · Spouse
Sold$1K to $15KOct 30, 2025Nov 21, 202522 days
Rep. Lisa C. McClainR-MI · House · Spouse
Bought$1K to $15KAug 4, 2025Sep 12, 202539 days

Senate trades are not included yet. Share prices and price charts are not shown yet. Insider rows are open-market buys and sales only.