MKS Inc

MKSINASDAQ
$246.75
0.310.13%
Dern. MÀJ: Sep 2, 8:50 AM

MKS Ownership & Insider Activity

MKS (MKSI) institutional and insider ownership, recent insider transactions and ownership breakdown.

Insiders own 1.2% of shares outstanding. Institutional investors hold 72.7%. Over the past 90 days, insiders made 5 sales worth $5.4M.

Shares Outstanding

67.248M

Shares Float

53.096M

Insider Shares Owned

795.294K

Insider % Owned

1.2%

Institutional Shares Held

49.136M

Institutional % Held

72.7%

Ownership Breakdown

Net Insider Activity by Month

Purchases (90d)

0

Sales (90d)

5

$5.4M total

Net Activity

Net Selling

Net Value (90d)

-$5.4M

MKS Insider Transactions (Last 6 Months)

DateInsiderTitleTypeSharesPriceValue
Aug 14, 2026TsengChung John LeePRESIDENT & CEOSELL10.000K$302.01$3.0M
Aug 3, 2026Edward John WilliamsEVP & GM, PSDSELL457.000$288.31$132K

Congressional Trading Activity

DateMemberPartyChamberActionAmount
Oct 31, 2025Lisa McClainRHouseS$1,001 - $15,000
Oct 30, 2025Lisa McClainRHouseS$1,001 - $15,000