FRUGE MARY CELESTE

PrivateCIK: 1975485
Location

THE WOODLANDS, TX

FRUGE MARY CELESTE (VP, General Counsel) sold 0.4% of their position (1K shares) of NPK INTERNATIONAL INC. on the open market

Open‑market sale worth $13.6K — a minor trim. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 1 sale
InsiderFRUGE MARY CELESTECIK 1975485
IssuerNPK INTERNATIONAL INC.CIK 71829
Officer· VP, General Counsel
Since Mar 2026
-1K
Net shares
Net seller
$13.6K
Total sold
1
Open market trades
0B · 1S
3
Total transactions
1K acquired · 2K disposed
Non-Derivative Transactions2

Common Stock

Direct
M · Option Exercise

Shares

+1K

Price / share

$4.32

Trade value

$4.32K

% of position

0.4%
3/16/2026
265.21K266.21K

Common Stock

Direct
S · Sale

Shares

1K

Price / share

$13.56

Trade value

$13.56K

% of position

0.4%
3/16/2026
266.21K265.21K
Total

Net shares

+0.00

Net value

-$9.24K

Derivative Transactions1

Non-Qualified Stock Option (right to buy)

Direct
M · Option Exercise
Converts to

Common Stock

1K shares

Shares

1K

Strike price

4.32

Held after

0.00

Exercisable

3/16/2026
FRUGE MARY CELESTE — Insider Transaction (Form 4) Filed Mar 18, 2026 | Finecho