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William Zartler Insider Profile
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William Zartler, Director, Ten Percent Owner at NGL Energy Partners, holds 5.56M shares in Solaris Energy Infrastructure (Ticker: SEI), holds 0.00 shares in Aris Water Solutions (Ticker: ARIS), holds 1.26M shares in NGL Energy Partners (Ticker: NGL).
William Zartler NGL Energy Partners (NGL)Director, Ten Percent Owner
NGL Energy Partners (NGL)
Director, Ten Percent Owner
Ranked #3,078 out of 106,487 Corporate Insiders
Profitable Transactions
9 out of 13 Profitable Transactions
Average Return
+40.70%
Average return per transaction
Time Frame
Compare to
Insider Holdings
Insider Roles
Roles that William Zartler holds in companies
Most Profitable Insider Trade
Stock:
Rating:Informative Buy
Date:Sep 09, 2025 - Today
Return:+110.40%
The most profitable trade made by William Zartler
William Zartler's Trading History
NGL Energy Partners
May 26, 2011
Director, Ten Percent Owner
Uninformative Sell
891.54K
$14.52M
Solaris Energy Infrastructure
Mar 03, 2026
Chairman and Co-CEO, Director, Ten Percent Owner
Uninformative Buy
―
$351.03M
Aris Water Solutions
Oct 15, 2025
―
Uninformative Sell
―
$0.00
List of latest transactions for each holding click on a transaction to see William Zartler's performance on stock
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William Zartler insider profile FAQ
What is the percentage of profitable transactions made by William Zartler?
The percentage of profitable transactions made by William Zartler is 69%.
What is the average return per transaction made by William Zartler?
The average return per transaction made by William Zartler is 40.70%.
What stocks does William Zartler hold?
William Zartler holds: NGL, SEI, ARIS stocks.
What was William Zartler’s latest transaction?
William Zartler latest transaction was an Uninformative Buy of ―.
What was William Zartler's most profitable transaction?
William Zartler’s most profitable transaction was an Informative Buy of SEI stock on September 9, 2025. The return on the trade was 110.40%.
What is William Zartler's role in NGL Energy Partners?
William Zartler's role in NGL Energy Partners is Director, Ten Percent Owner.
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