LANIGAN MATTHEW

PrivateCIK: 1672978
Location

THE WOODLANDS, TX

LANIGAN MATTHEW (VP and Pres of NMIS) sold 39.7% of their position (167.38K shares) of NPK INTERNATIONAL INC. on the open market

Open‑market sale worth $2.42M — a major position exit. 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
-167.38K
Net shares
Net seller
$2.42M
Total sold
1
Open market trades
0B · 1S
1
Total transactions
167.38K disposed
Non-Derivative Transactions1

Common Stock

Direct
S · Sale

Shares

167.38K

Price / share

$14.43

Trade value

$2.42M

% of position

39.7%
6/3/2026
422.07K254.70K
Total

Net shares

167.38K

Net value

-$2.42M

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

Common Stock

Indirect
Shares owned770.25K
Total
770.25K indirect770.25K
Derivative Holdings (Post-Transaction)0
No derivative holdings reported
LANIGAN MATTHEW — Insider Transaction (Form 4) Filed Jun 5, 2026 | Finecho