Burke Kathleen Flaherty

EVP, GC & Secretary

Burke Kathleen Flaherty has filed 4 SEC Form 4 filings (15 transaction rows) across 1 company, with disclosures dating back to 2025. 4 of those filings fall inside the rolling window. Most recent filing: May 12, 2026.

On the most recent filing, Burke Kathleen Flaherty is listed as EVP, GC & Secretary at MKS INC. Inside the rolling window, Burke Kathleen Flaherty reported no open-market purchases and 2 open-market sales totaling $2.5M in MKSI. The largest disclosed transaction in the window is a sale of 4,355 MKSI shares on May 11, 2026, worth $1.4M.

Companies traded

Other insiders at MKSI

Insider Buying

$0

reported purchases (SEC code P)

Insider Selling

$2.5M

reported sales (SEC code S)

Companies

1

in the rolling window

Source
MKSISale$1.4MMay 12SEC ↗
MKSISale$1.1MFeb 23SEC ↗
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Frequently asked questions

How many SEC Form 4 filings has Burke Kathleen Flaherty made?

Burke Kathleen Flaherty has filed 4 SEC Form 4 filings (15 transaction rows) across 1 company since 2025.

Which companies does Burke Kathleen Flaherty trade?

Burke Kathleen Flaherty has filed SEC Form 4 disclosures for 1 company, including MKSI.

When was Burke Kathleen Flaherty's most recent SEC Form 4 filing?

Burke Kathleen Flaherty's most recent SEC Form 4 filing on Tracefour is dated May 12, 2026.

What is Burke Kathleen Flaherty's job title?

On the most recent SEC Form 4 filings tracked by Tracefour, Burke Kathleen Flaherty is listed as EVP, GC & Secretary.

What is Burke Kathleen Flaherty's total buy and sell value in the current window?

Inside the rolling retention window, Burke Kathleen Flaherty bought $0 and sold $2.5M based on SEC Form 4 filings.

What was Burke Kathleen Flaherty's largest disclosed transaction?

The largest disclosed transaction in the current window is a sale of 4,355 MKSI shares on 2026-05-11, worth $1.4M, per SEC Form 4 filings.