Kathleen Flaherty Burke Net Worth
Track Major Insider Updates On X/TwitterLast Updated: 8 hours ago
Kathleen Flaherty Burke has an estimated net worth of at least $17.6 million*, as of today. They own 53,794 shares of MKSI stock. They have sold 23,228 shares of MKSI stock since 2021, for an estimated $3.1 million.
Kathleen Flaherty Burke $MKSI SEC Form 4 Insider Trading
Kathleen Flaherty Burke has filed a total of 4 insider trades in $MKSI since 2021. Their most recent trade was a sale of 4,254 shares, made on Feb 20, 2026. Their largest trade was a sale of 7,411 shares, made on Mar 01, 2024. We estimate that they now own 53,794 shares of $MKSI, worth an estimated $14.5 million.
Insider Trading at $MKSI
There have been a total of 74 insider trades reported at $MKSI since 2021, with 3,750 shares purchased and 4.2 million shares sold. The most active insider traders in $MKSI stock have been Seth H Bagshaw, John Tseng-Chung Lee, and Kathleen Flaherty Burke. The most recent trade was a sale of 340 shares reported by Jacqueline F Moloney (None), made on Mar 12, 2026.
History of Insider Stock Trades by Kathleen Flaherty Burke
$MKSI Executives and Stock Owners with Insider Trades
-
Seth H Bagshaw, EVP, CFO & Treasurer
-
John Tseng-Chung Lee, President & CEO
-
Kathleen Flaherty Burke, EVP, GC & Secretary
-
James Alan Schreiner, EVP & COO
-
David Philip Henry, EVP, Global Str Mktg & GM, MSD
-
David Philip Henry, EVP, Operations & Corp Mktg
-
Eric Robert Taranto, EVP & GM, VSD
-
John Edward Williams, EVP & GM, PSD
-
Michelle M Mccarthy, VP & Chief Accounting Officer
-
James Alan Schreiner, EVP & COO, MSD
*This is only based off of information found in SEC filings, and may not reflect actual net worth. There may also be inaccuracies due to privately holdings filing errors, parsing errors, accidental double-counting of shares, incorrect classification of indirectly owned shares, sales prior to dataset start date, or any other number of issues.