InsiderFlow

Kathleen Flaherty Burke

MKSI

Kathleen Flaherty Burke serves as officer: 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

3 trades

$3.51M

Net Position

Net Seller

$3.51M

Companies Traded

1

MKSI

Active Period

Feb 2026

3 total trades

Most Recent

Sell MKSI

Feb 23, 2026 · $1.06M

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

Buys

0 · $0.00

Sells

3 · $3.51M

Total Shares Bought

0

Total Shares Sold

13,826

MKSI Price Chart
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DateTypeSharesAvg PriceValueShares After
Feb 23, 2026Sell4,254$250.00$1.06M53,794.5
Feb 20, 2026Sell4,254$250.00$1.06M0
Feb 17, 2026Sell5,318$260.73$1.39M0