MarketPeel
Insider Trading Intelligence
Pricing
…
Senior Vice President and CFO
Gregg Piontek
Sun, Jun 1, 2025
Jun 1
sold
$139.40k
of
NPKI
17,231
shares @ $8.09
Decreased holdings by
-1.90%
9th largest trade (out of 21)
Cluster Buy
Trade made by an officer
Part of a cluster of 9 transactions by 5 insiders
NPKI
NPK International Inc.
Energy
Oil & Gas Equipment & Services
1D
0.00%
1W
-8.33%
1M
+0.21%
3M
-0.69%
6M
—
1Y
—
Recent insider activity at NPKI
Jun 8
Lori Briggs
Sold
$122.79k
Jun 3
Matthew Lanigan
Sold
$2.42m
Jun 2
Lori Briggs
Sold
$152.28k
May 15
Michael A. Lewis
Sold
$30.80k
Apr 9
Gregg Piontek
Sold
$225.68k
Apr 1
Gregg Piontek
Sold
$507.86k
Mar 25
Gregg Piontek
Sold
$225.38k
Mar 16
Mary Celeste Fruge
Sold
$13.56k
Full NPKI profile →
Gregg Piontek’s trading history →
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