LANIGAN MATTHEW

PrivateCIK: 1672978
Location

THE WOODLANDS, TX

LANIGAN MATTHEW (VP and Pres of NMIS) sold 5.9% of their position (68.90K shares) of NPK INTERNATIONAL INC. on the open market

Open‑market sale worth $712.5K — a moderate reduction. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 1 sale
InsiderLANIGAN MATTHEWCIK 1672978
IssuerNPK INTERNATIONAL INC.CIK 71829
Officer· VP and Pres of NMIS
Since May 2019
-68.90K
Net shares
Net seller
$712.5K
Total sold
1
Open market trades
0B · 1S
3
Total transactions
68.90K acquired · 137.79K disposed
Non-Derivative Transactions2

Common Stock

Direct
M · Option Exercise

Shares

+68.90K

Price / share

$4.32

Trade value

$297.63K

% of position

6.3%
8/22/2025
1.10M1.16M

Common Stock

Direct
S · Sale

Shares

68.90K

Price / share

$10.34

Trade value

$712.54K

% of position

5.9%
8/22/2025
1.16M1.10M
Total

Net shares

+0.00

Net value

-$414.91K

Derivative Transactions1

Non-Qualified Stock Option (right to buy)

Direct
M · Option Exercise
Converts to

Common Stock

68.90K shares

Shares

68.90K

Strike price

4.32

Held after

1K

Exercisable

8/22/2025
LANIGAN MATTHEW — Insider Transaction (Form 4) Filed Aug 26, 2025 | Finecho