PIONTEK GREGG

PrivateCIK: 1418328
Location

THE WOODLANDS, TX

Senior insider sale

Senior Vice President and CFO at NPK INTERNATIONAL INC. — senior position signals high conviction

$2.38M

173.59K shares

What this filing means

PIONTEK GREGG plans to sell 173.59K shares of NPK INTERNATIONAL INC. valued at approximately $2.38M. Form 144 is a notice of intent to sell restricted or control securities — not a mandatory transaction. This filing provides advance warning of potential selling pressure.

InsiderPIONTEK GREGGCIK 1418328
IssuerNPK INTERNATIONAL INC.CIK 71829
Officer· Senior Vice President and CFO
Since Mar 2026
173.59K
Shares to sell
$2.38M
Approx. market value
173.59K
Acquired (3 months)
1
Planned
Securities Acquired — Last 3 Months2
Sort

Exercise of Stock Options

Cash

3/4/2026
73.59K

Restricted Stock Units

N/A

7/1/2007
100K
Total acquired173.59K
Planned & Completed Dispositions1
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NYSEPlanned

Units to sell

173.59K

Market value

$2.38M

3/4/2026
Total

Units

173.59K

Value

$2.38M

PIONTEK GREGG — Planned Insider Sale (Form 144) | Finecho