John Harper Insider Profile
4 Followers
John Harper, Director at NL Industries, holds 38.05K shares in NL Industries (Ticker: NL), holds 21.80K shares in Kronos Worldwide (Ticker: KRO), holds 6.61K shares in Rackspace (Ticker: RAX).
John Harper has not reported sufficient informative transactions and therefore cannot be ranked.
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Insider Holdings
Insider Roles
Most Profitable Insider Trade
Currently, no data available
The most profitable trade made by John Harper
John Harper's Trading History
NL Industries
May 15, 2026
Director
Uninformative Buy
40.02K
$250.37K
Rackspace
Nov 10, 2016
―
Uninformative Sell
―
$211.58K
Kronos Worldwide
May 14, 2026
Director
Uninformative Buy
40.07K
$188.13K
List of latest transactions for each holding click on a transaction to see John Harper's performance on stock
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John Harper insider profile FAQ
What is the percentage of profitable transactions made by John Harper?
The percentage of profitable transactions made by John Harper is ―.
What is the average return per transaction made by John Harper?
The average return per transaction made by John Harper is ―.
What stocks does John Harper hold?
John Harper holds: NL, RAX, KRO stocks.
What was John Harper’s latest transaction?
John Harper latest transaction was an Uninformative Buy of $40.02K.
What was John Harper's most profitable transaction?
John Harper’s most profitable transaction was an Uninformative Buy of stock on ―. The return on the trade was ―.
What is John Harper's role in NL Industries?
John Harper's role in NL Industries is Director.
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