Updated: May 19, 2026

Kathleen A Bayless

VECOVEECO INSTRUMENTS INCSEC CIK: 0001230569
Estimated Net Worth
$18.2 Million
Last Updated: May 19, 2026 11:11 PM EST

Transaction Summary

Total Transactions91
Buy-Sell Ratio0.00
Buy Transactions0
Sell Transactions37

Transaction Volume

Total Volume-$6.41M
Net Volume$6.41M
Buy Volume$0.00
Sell Volume-$6.41M

Trade Analysis

AVG Trade Size-$87.17K
Largest Trade$156.78K
Most Active MonthMay
Most Active Year2005

Trading Sentiment

OverallBullish
Recent TradeNeutral
Last 90 Days0 Trades
ConvictionNone

Net Worth & Trading Activity Over Time

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Monthly Trading Pattern

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Past Insider Trading and Trends

Kathleen A Bayless has an estimated net worth of $18.2 Million. This is based on reported shares across multiple companies, which include VEECO INSTRUMENTS INC, SYNAPTICS Inc, Energous Corp, Amprius Technologies, Inc., and KOMAG INC /DE/.



2014 was Kathleen A Bayless's most active year for acquiring shares with 11 total transactions. Kathleen A Bayless's most active month to acquire stocks was the month of January. 2012 was Kathleen A Bayless's most active year for disposing of shares, totalling 63 transactions. Kathleen A Bayless's most active month to dispose stocks was the month of December. 2010 saw Kathleen A Bayless paying a total of $388,000.00 for 60,000 shares, this is the most they've acquired in one year. In 2014 Kathleen A Bayless cashed out on 116,058 shares for a total of $3,991,482.12, their largest year based on trade value.

Holdings & Transactions

VECOveeco instruments inc
Updated: May 11, 2026VIEW QUOTE
Form TypeSEC Filing
0.042.94K71.58KMay 08View
0.148.29K68.64KMay 09View
0.063.68K60.34KMay 10View
0.146.76K56.67KMay 12View
0.156.59K49.92KMay 13View
0.145.38K43.33KMay 07View
0.3810.39K37.95KMay 08View
0.519.33K27.56KMay 06View
0.727.64K18.23KMay 04View
0.513.59K10.59KMay 05View
0.513.59K$33.40$119.97K10.59KMay 05View
6.99K$17.16$120.00K6.99KJul 21View
View
AMPXamprius technologies, inc.
Updated: Jun 17, 2025VIEW QUOTE
Form TypeSEC Filing
0.2844.44K205.70KJun 13View
3.45125.00K161.25KJun 07View
0.041.49K36.25KJun 09View
34.76K34.76KApr 25View
View
WATTenergous corp
Updated: Feb 17, 2022VIEW QUOTE
Form TypeSEC Filing
0.3011.10K48.19KJan 03View
37.09K37.09KJul 23View
View
SYNAsynaptics inc
SVP, CFO, & Treasurer Officer
Updated: May 04, 2015VIEW QUOTE
Form TypeSEC Filing
-0.01220.00$84.72-$18.64K17.43KApr 30View
3.00K3.00KApr 24View
-0.125.00K$61.93-$230.72K35.39KScheduledFeb 26View
-0.155.00K$65.22-$147.74K27.50KScheduledFeb 18View
-0.052.31K$59.93-$176.60K44.01KScheduledJan 30 - 02View
-0.01305.00$68.43-$20.87K21.86KOct 31View
0.577.58K$62.11-$310.21K20.86KOct 24View
-0.1520.00K$50.38-$1.07M115.78KScheduledAug 04View
0.364.94K$72.23-$22.03K18.52KJul 31 - 01View
-0.033.42K$42.20-$155.78K98.59KScheduledMay 28View
-0.066.58K$42.20-$300.23K101.35KScheduledMay 01View
-0.02233.00$62.15-$14.48K12.94KApr 30View
-0.044.76K$41.32-$438.30K113.41KScheduledApr 28View
-0.02220.00$58.36-$12.84K13.17KJan 31View
5.24K5.24KJan 27View
-0.1115.00K$35.95-$496.50K118.39KScheduledJan 07View
-0.02305.00$46.48-$14.18K12.99KOct 31View
5.24K5.24KOct 28View
-0.1015.00K$33.45-$421.50K133.29KScheduledOct 04View
0.141.65K$44.25-$79.65K13.29KSep 30View
-0.0915.00K$30.95-$346.50K146.64KScheduledSep 18View
4.38K4.38KAug 05View
-0.02220.00$40.00-$8.80K11.41KJul 31View
-0.0815.00K$30.15-$322.35K161.63KScheduledJun 10View
0.374.16K$41.23-$8.82K15.35KApr 29 - 30View
-0.02257.00$35.08-$9.02K11.19KJan 31View
4.38K4.38KJan 28View
0.364.16K$23.16-$4.96K15.82KOct 31View
-0.04428.00$28.55-$12.22K11.66KApr 30 - 31View
-0.04500.00$37.64-$18.82K11.45KScheduledJan 31View
-0.5313.30K$37.54-$499.29K11.95KScheduledJan 31View
0.1221.93K$28.35$156.78K209.00KScheduledJan 30 - 31View
-0.552.00K$33.22-$66.43K1.66KScheduledOct 25View
-0.0918.00K$26.24-$207.30K188.66KScheduledOct 25View
37.50K37.50KJan 24View
-0.0920.00K$25.12-$228.88K205.86KScheduledAug 03View
40.00K40.00KJan 25View
225.00K225.00KMar 02View
View
komag inc /de/
EVP, CFO Officer
Updated: Sep 05, 2007
Form TypeSEC Filing
-1.0045.32K$19.52-$1.06MSep 05View
$0.01$50.0031.25KApr 30View
5.00K5.00KApr 13View
$0.01$38.9426.25KMar 09View
-0.205.73K$21.94-$149.62K22.36KScheduledFeb 23View
0.4411.19K$32.10-$103.20K36.76KFeb 15View
-0.041.00K$38.00-$38.00K25.57KScheduledNov 07View
-0.041.00K$33.64-$33.64K26.57KScheduledSep 14View
-0.072.00K$36.68-$73.37K27.57KScheduledAug 14View
-0.031.00K$41.68-$41.68K29.57KScheduledJun 14View
-0.031.00K$42.17-$42.17K30.57KScheduledMay 15View
-0.104.65K$30.57-$181.57K40.86KScheduledMar 02View
$0.01$150.0031.57KFeb 23View
0.7513.57K$46.76-$66.82K31.57KFeb 15View
-0.051.00K$30.20-$30.20K18.00KScheduledOct 10View
-0.051.00K$35.51-$35.51K19.00KScheduledSep 09View
-0.051.00K$37.24-$37.24K20.00KScheduledAug 08View
-0.051.00K$32.78-$32.78K21.00KScheduledJul 11View
-0.041.00K$30.36-$30.36K22.00KScheduledJun 14View
-0.061.69K$25.93-$23.96K27.56KScheduledJun 08View
-0.185.63K$23.08-$111.60K26.38KScheduledJun 07 - 08View
-0.2610.00K$18.24-$235.20K29.00KScheduledJun 07View
-0.041.00K$25.00-$25.00K23.00KScheduledMay 13View
-0.041.00K$23.00-$23.00K24.00KScheduledMar 10View
$0.01$120.0025.00KMar 09View
12.00K12.00KFeb 15View
-0.326.00K$20.48-$122.91K13.00KScheduledFeb 14View
-0.246.00K$10.79-$64.72K19.00KScheduledAug 03View
-0.2910.00K$10.90-$109.04K25.00KScheduledAug 02View
6.25K6.25KMar 15View
View