Kathleen Flaherty Burke

MKSI

Kathleen Flaherty Burke serves as EVP, GC & Secretary at MKS Inc. (MKSI). This page tracks their complete SEC Form 4 insider trading history including stock purchases and sales.

Total Buys

0 trades

$0.00

Total Sells

4 trades

$4.53M

Net Position

Net Seller

$4.53M

Companies Traded

MKSI

Active Period

Aug 2023 – Feb 2026

4 total trades

Most Recent

Sell MKSI

Feb 20, 2026 · $1.06M

Kathleen Flaherty Burke's Insider Trading at MKS Inc. (MKSI)

Buys

0 · $0.00

Sells

4 · $4.53M

Total Shares Bought

Total Shares Sold

28,546

MKSI Price Chart

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Date	Type	Shares	Avg Price	Value	Shares After
Feb 20, 2026	Sell	4,254	$250.00	$1.06M	0
Feb 17, 2026	Sell	5,318	$260.73	$1.39M	0
Mar 4, 2024	Sell	7,411	$122.89	$910.7K	42,999
Aug 8, 2023	Sell	11,563	$101.23	$1.17M	48,115