LEWIS MICHAEL A

PrivateCIK: 1423238
Location

PORTLAND, OR

LEWIS MICHAEL A sold 1.5% of their position (2.01K shares) of NPK INTERNATIONAL INC. on the open market

Open‑market sale worth $30.8K — a minor trim. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 1 sale
InsiderLEWIS MICHAEL ACIK 1423238
IssuerNPK INTERNATIONAL INC.CIK 71829
Director
Since Jan 2021
-2.01K
Net shares
Net seller
$30.8K
Total sold
1
Open market trades
0B · 1S
1
Total transactions
2.01K disposed
Non-Derivative Transactions1

Common Stock

Direct
S · Sale

Shares

2.01K

Price / share

$15.30

Trade value

$30.80K

% of position

1.5%
5/15/2026
131.33K129.32K
Total

Net shares

2.01K

Net value

-$30.80K

Derivative Transactions0
No derivative transactions reported
LEWIS MICHAEL A — Insider Transaction (Form 4) Filed May 19, 2026 | Finecho