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Robert Buesinger Insider Profile

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Robert Buesinger, EVP, PEM Segment Head at Westlake Corporation, holds 34.48K shares in Westlake Corporation (Ticker: WLK). Most recently, Robert Buesinger Sold 4,000 shares of Westlake Corporation on Mar 31, 2026 for an estimated value of $461.00K.
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Robert Buesinger

Robert Buesinger
Westlake Corporation (WLK)
EVP, PEM Segment Head

Ranked #27,792 out of 106,487 Corporate Insiders

Profitable Transactions

62%
13 out of 21 Profitable Transactions

Average Return

+2.50%
Average return per transaction
Time Frame
1 Year
Compare to
No Benchmark
How are Insiders Ranked?

Insider Holdings

$4M
100.00%
A breakdown of Robert Buesinger's holdings
See the Top Stocks by Insiders

Insider Roles

Westlake Corporation
(WLK)
EVP, PEM Segment Head
Roles that Robert Buesinger holds in companies
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Most Profitable Insider Trade

Stock:
Westlake Corporation
(WLK)
Rating:Informative Buy
Date:Jun 09, 2025 - Today
Return:+50.50%
The most profitable trade made by Robert Buesinger
See the Latest Stocks Traded by Insiders

Robert Buesinger's Trading History

Company Name
Last Transaction Date
Insider Position
Last Transaction
Last Transaction Amount
Holding Value
WLK
Westlake Corporation
Mar 31, 2026
EVP, PEM Segment Head
Informative Sell
461.00K
$4.17M
Success Rate for
WLK
13 out of 21 profitable transactions on
WLK
62%
Average Return for
WLK
Average return per transaction on
WLK
+2.56%
Date
Transaction
Amount
No. of Shares
Price per Share
Profit
Link to Report
Feb 22, 2012
Uninformative Buy
$0.00
1,681
$0.00
―
Feb 23, 2011
Uninformative Buy
$0.00
1,160
$0.00
―
Apr 07, 2010
Uninformative Buy
$0.00
1,836
$0.00
―
Aug 04, 2011
Informative Buy
$40.22K
1,477
$27.23
―
Feb 22, 2022
Uninformative Buy
$0.00
6,446
$0.00
―
List of latest transactions for each holding click on a transaction to see Robert Buesinger's performance on stock
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Robert Buesinger insider profile FAQ

What is the percentage of profitable transactions made by Robert Buesinger?
The percentage of profitable transactions made by Robert Buesinger is 62%.
    What is the average return per transaction made by Robert Buesinger?
    The average return per transaction made by Robert Buesinger is 2.50%.
      What stocks does Robert Buesinger hold?
      Robert Buesinger holds: WLK stocks.
        What was Robert Buesinger’s latest transaction?
        Robert Buesinger latest transaction was an Informative Sell of $461.00K.
          What was Robert Buesinger's most profitable transaction?
          Robert Buesinger’s most profitable transaction was an Informative Buy of WLK stock on June 9, 2025. The return on the trade was 50.50%.
            What is Robert Buesinger's role in Westlake Corporation?
            Robert Buesinger's role in Westlake Corporation is EVP, PEM Segment Head.
              How can I follow the stock ratings of top corporate insiders?
              Head over to our Expert Center to see a list of the Top 100 corporate insiders and follow the corporate insiders of your choice. Visit their profiles for more details about their stock transactions and see how they perform on a stock-by-stock basis.