PIONTEK GREGG

PrivateCIK: 1418328
Location

THE WOODLANDS, TX

PIONTEK GREGG (Senior Vice President and CFO) sold 1.8% of their position (15K shares) of NPK INTERNATIONAL INC. on the open market

Open‑market sale worth $225.7K — 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
-15K
Net shares
Net seller
$225.7K
Total sold
1
Open market trades
0B · 1S
1
Total transactions
15K disposed
Non-Derivative Transactions1

Common Stock

Direct
S · Sale

Shares

15K

Price / share

$15.04

Trade value

$225.68K

% of position

1.8%
4/9/2026
834.33K819.33K
Total

Net shares

15K

Net value

-$225.68K

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 10, 2026 | Finecho