Updated: May 19, 2026

Kathleen Flaherty Burke

MKSIMKS INCSEC CIK: 0001775435
Estimated Net Worth
$24.7 Million1.4%vs Last Year
Last Updated: May 19, 2026 11:47 PM EST

Transaction Summary

Total Transactions25
Buy-Sell Ratio0.00
Buy Transactions0
Sell Transactions5

Transaction Volume

Total Volume-$5.69M
Net Volume$5.69M
Buy Volume$0.00
Sell Volume-$5.69M

Trade Analysis

AVG Trade Size-$406.76K
Largest Trade$0.00
Most Active MonthFeb
Most Active Year2026

Trading Sentiment

OverallBullish
Recent TradeSelling
Last 90 Days-1 Trades
ConvictionMedium

Net Worth & Trading Activity Over Time

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Monthly Trading Pattern

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Past Insider Trading and Trends

Kathleen Flaherty Burke has an estimated net worth of $24.7 Million. This is based on reported shares in MKS INC.



2025 was Kathleen Flaherty Burke's most active year for acquiring shares with 13 total transactions. Kathleen Flaherty Burke's most active month to acquire stocks was the month of January. 2025 was Kathleen Flaherty Burke's most active year for disposing of shares, totalling 13 transactions. Kathleen Flaherty Burke's most active month to dispose stocks was the month of January. 2024 saw Kathleen Flaherty Burke paying a total of $0.00 for 28,228.699 shares, this is the most they've acquired in one year. In 2026 Kathleen Flaherty Burke cashed out on 26,132.932 shares for a total of $3,843,379.57, their largest year based on trade value.

Holdings & Transactions

MKSImks inc
EVP, GC & Secretary Officer
Updated: May 12, 2026VIEW QUOTE
Form TypeSEC Filing
-0.084.36K$319.94-$1.39M49.44KMay 11View
-0.074.25K$250.00-$1.06M53.79KFeb 20View
-0.031.99K$260.74-$1.39M73.18KFeb 17View
0.417.01K24.01KFeb 08View
-0.01777.00$143.71-$111.66K68.07KOct 31View
0.063.85K$103.67-$411.57K68.70KFeb 18View
0.091.77K21.60KFeb 10View
-0.157.41K$122.89-$910.74K43.00KMar 01View
0.0033.50$122.15-$600.00K70.24KFeb 15View
0.6610.82K27.35KFeb 05View
-0.2111.56K$101.23-$1.17M42.74KAug 07View
0.032.13K$100.29-$348.41K70.67KScheduledFeb 15View
0.486.86K21.02KFeb 08View
-0.02967.00$84.58-$81.79K61.60KScheduledOct 28View
0.434.94K16.34KApr 29View
-0.063.71K$152.55-$565.66K57.53KScheduledFeb 15View
0.436.10K20.44KJan 21View
-0.02967.00$145.74-$140.93K55.08KScheduledOct 28View
-0.00176.22$172.20-$555.34K55.95KScheduledFeb 16View
0.345.53K21.58KJan 25View
0.031.38K$113.87-$280.92K50.36KScheduledFeb 18View
0.243.87K20.05KJan 27View
-0.2710.38K$110.55-$1.15M28.78KOct 30View
0.374.36K16.18KOct 28View
38.99KView