PIONTEK GREGG

PrivateCIK: 1418328
Location

THE WOODLANDS, TX

PIONTEK GREGG (Senior Vice President and CFO) sold 4.0% of their position (35K shares) of NPK INTERNATIONAL INC. on the open market

Open‑market sale worth $507.9K — a minor trim. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 1 sale
InsiderPIONTEK GREGGCIK 1418328
IssuerNPK INTERNATIONAL INC.CIK 71829
Officer· Senior Vice President and CFO
Since Mar 2026
-35K
Net shares
Net seller
$507.9K
Total sold
1
Open market trades
0B · 1S
1
Total transactions
35K disposed
Non-Derivative Transactions1

Common Stock

Direct
S · Sale

Shares

35K

Price / share

$14.51

Trade value

$507.86K

% of position

4.0%
4/1/2026
869.33K834.33K
Total

Net shares

35K

Net value

-$507.86K

Derivative Transactions0
No derivative transactions reported
Non-Derivative Holdings (Post-Transaction)1

Common Stock

Indirect
Shares owned65K
Total
65K indirect65K
Derivative Holdings (Post-Transaction)0
No derivative holdings reported
PIONTEK GREGG — Insider Transaction (Form 4) Filed Apr 3, 2026 | Finecho