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Mark A. Alexander Insider Profile

4 Followers
Mark A. Alexander, Director at Builders Firstsource, holds 47.91K shares in Builders Firstsource (Ticker: BLDR), holds 1.29M shares in Suburban Propane (Ticker: SPH), holds 51.09K shares in W. P. Carey Inc. (Ticker: WPC).
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Mark A. Alexander

Mark A. Alexander
Builders Firstsource (BLDR)
Director

Ranked #11,483 out of 108,814 Corporate Insiders

Profitable Transactions

75%
6 out of 8 Profitable Transactions

Average Return

+21.80%
Average return per transaction
Time Frame
1 Year
Compare to
No Benchmark
How are Insiders Ranked?

Insider Holdings

$30M
76.86%
12.18%
10.97%
A breakdown of Mark A. Alexander's holdings
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Insider Roles

Suburban Propane
(SPH)
CEO, Director
W. P. Carey Inc.
(WPC)
Director
Builders Firstsource
(BLDR)
Director
Roles that Mark A. Alexander holds in companies
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Most Profitable Insider Trade

Stock:
W. P. Carey Inc.
(WPC)
Rating:Informative Buy
Date:Mar 19, 2020 - Mar 19, 2021
Return:+59.50%
The most profitable trade made by Mark A. Alexander
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Mark A. Alexander's Trading History

Company Name
Last Transaction Date
Insider Position
Last Transaction
Last Transaction Amount
Holding Value
BLDR
Builders Firstsource
Jun 02, 2026
Director
Uninformative Buy
31.19K
$3.24M
SPH
Suburban Propane
―
CEO, Director
―
$22.74M
WPC
W. P. Carey Inc.
Oct 03, 2025
Director
Uninformative Buy
29.99K
$3.60M
BMCH
BMC Stock Holdings
May 15, 2020
―
Uninformative Buy
―
$1.05M
KDN
Kaydon Corp
―
―
―
―
List of latest transactions for each holding click on a transaction to see Mark A. Alexander's performance on stock
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Mark A. Alexander insider profile FAQ

What is the percentage of profitable transactions made by Mark A. Alexander?
The percentage of profitable transactions made by Mark A. Alexander is 75%.
    What is the average return per transaction made by Mark A. Alexander?
    The average return per transaction made by Mark A. Alexander is 21.80%.
      What stocks does Mark A. Alexander hold?
      Mark A. Alexander holds: BLDR, SPH, WPC, BMCH, KDN stocks.
        What was Mark A. Alexander’s latest transaction?
        Mark A. Alexander latest transaction was an Uninformative Buy of $31.19K.
          What was Mark A. Alexander's most profitable transaction?
          Mark A. Alexander’s most profitable transaction was an Informative Buy of WPC stock on March 19, 2020. The return on the trade was 59.50%.
            What is Mark A. Alexander's role in Builders Firstsource?
            Mark A. Alexander's role in Builders Firstsource is Director.
              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.