Updated: May 18, 2026

Patrick M. Antkowiak

Aspen Technology, Inc.SEC CIK: 0001626333
Estimated Net Worth
$11.1 Million0.0%vs Last Year
Last Updated: May 18, 2026 04:55 PM EST

Transaction Summary

Total Transactions28
Buy-Sell Ratio0.00
Buy Transactions0
Sell Transactions10

Transaction Volume

Total Volume-$5.93M
Net Volume$5.93M
Buy Volume$0.00
Sell Volume-$5.93M

Trade Analysis

AVG Trade Size-$288.00K
Largest Trade$0.00
Most Active MonthFeb
Most Active Year2019

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

Patrick M. Antkowiak has an estimated net worth of $11.1 Million. This is based on reported shares across multiple companies, which include NORTHROP GRUMMAN CORP /DE/, and Aspen Technology, Inc..



2018 was Patrick M. Antkowiak's most active year for acquiring shares with 5 total transactions. Patrick M. Antkowiak's most active month to acquire stocks was the month of January. 2017 was Patrick M. Antkowiak's most active year for disposing of shares, totalling 7 transactions. Patrick M. Antkowiak's most active month to dispose stocks was the month of January. 2015 saw Patrick M. Antkowiak paying a total of $0.00 for 20,119.58 shares, this is the most they've acquired in one year. In 2018 Patrick M. Antkowiak cashed out on 24,863 shares for a total of $1,903,940.04, their largest year based on trade value.

Holdings & Transactions

aspen technology, inc.
Updated: Mar 13, 2025
Form TypeSEC Filing
-1.004.46KMar 11 - 12View
0.371.20K4.46KJul 01View
3.292.50K3.26KSep 01View
3.292.50K3.26KSep 01View
0.1390.00760.00Sep 01View
670.00670.00May 23View
View
NOCnorthrop grumman corp /de/
CVP & Chief S&T Ofcr Officer
Updated: May 22, 2019VIEW QUOTE
Form TypeSEC Filing
-0.271.93K$310.00-$598.92K5.21KScheduledMay 20View
-0.161.34K$286.20-$382.36K7.14KScheduledFeb 28View
-0.05432.00$288.38-$124.58K8.48KScheduledFeb 21View
-0.06784.00$287.35-$225.28K12.18KFeb 19View
0.152.72K20.59KFeb 13View
-0.495.14K$310.00-$1.59M5.37KScheduledSep 17View
-0.122.56K18.21KFeb 13View
-0.06889.00$350.36-$311.47K14.32KFeb 18View
0.112.29K23.88KFeb 13View
-0.0158.00$248.17-$14.39K6.18KScheduledFeb 27View
-0.03207.00$242.11-$50.12K6.24KScheduledFeb 23View
-0.434.84K$242.09-$1.17M6.44KScheduledFeb 21View
0.173.90K$243.58-$372.43K26.70KFeb 17 - 19View
-0.344.50K$193.82-$872.19K8.74KMar 01View
-0.04791.00$190.68-$150.83K17.64KFeb 20View
0.194.48K$190.06-$332.41K28.09KFeb 17View
-1.004.01K$158.46-$635.33K9.37KMay 26View
-0.242.97K$163.25-$484.85K13.37KMar 05View
0.296.01K$167.68-$624.27K30.57KFeb 18View
-0.07718.00$167.14-$120.01K14.14KFeb 13View
10.38KView