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Mark Mccollum Insider Profile
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Mark Mccollum, EVP & CFO at Halliburton, holds 9.66K shares in Westlake Corporation (Ticker: WLK), holds 2.41K shares in Seadrill Limited (Ticker: SDRL), holds 0.00 shares in Marathon Oil (Ticker: MRO).
Mark Mccollum has not reported sufficient informative transactions and therefore cannot be ranked.
Time Frame
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Insider Holdings
Insider Roles
Roles that Mark Mccollum holds in companies
Most Profitable Insider Trade
Currently, no data available
The most profitable trade made by Mark Mccollum
Mark Mccollum's Trading History
Halliburton
Mar 01, 2017
EVP & CFO
Uninformative Buy
3.10M
$4.57M
Westlake Corporation
Aug 11, 2025
Director
Uninformative Buy
89.11K
$874.83K
Weatherford International
Dec 17, 2019
President and CEO, Director
Uninformative Buy
20.57K
$105.90K
Marathon Oil
Nov 22, 2024
―
Uninformative Sell
―
$0.00
Seadrill Limited
Apr 21, 2025
Director
Uninformative Buy
50.30K
$75.57K
Archrock
Apr 27, 2018
Director
Uninformative Buy
―
$2.09M
Archrock Partners LP
Jan 23, 2009
―
Uninformative Buy
―
$30.60K
KBR
―
Director
―
$0.00
List of latest transactions for each holding click on a transaction to see Mark Mccollum's performance on stock
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Mark Mccollum insider profile FAQ
What is the percentage of profitable transactions made by Mark Mccollum?
The percentage of profitable transactions made by Mark Mccollum is ―.
What is the average return per transaction made by Mark Mccollum?
The average return per transaction made by Mark Mccollum is ―.
What stocks does Mark Mccollum hold?
Mark Mccollum holds: HAL, WLK, WFRD, MRO, SDRL, AROC, APLP, KBR stocks.
What was Mark Mccollum’s latest transaction?
Mark Mccollum latest transaction was an Uninformative Buy of $89.11K.
What was Mark Mccollum's most profitable transaction?
Mark Mccollum’s most profitable transaction was an Uninformative Buy of stock on ―. The return on the trade was ―.
What is Mark Mccollum's role in Halliburton?
Mark Mccollum's role in Halliburton is EVP & CFO.
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