PIONTEK GREGG

PrivateCIK: 1418328
Location

THE WOODLANDS, TX

PIONTEK GREGG (Senior Vice President and CFO) exercised options at NPK INTERNATIONAL INC.

Option exercise — a mechanical event triggered by vesting or expiry. Not a discretionary conviction trade.

M · 1 exercise
InsiderPIONTEK GREGGCIK 1418328
IssuerNPK INTERNATIONAL INC.CIK 71829
Officer· Senior Vice President and CFO
Since Mar 2026
-36.09K
Net shares
Net seller
$516.4K
Total sold
0
Open market trades
0B · 0S
5
Total transactions
40.38K acquired · 76.47K disposed
Non-Derivative Transactions4

Common Stock

Direct
F · Tax Withholding

Shares

8.96K

Price / share

$14.31

Trade value

$128.20K

% of position

1.0%
6/1/2026
853.89K844.93K

Common Stock

Direct
F · Tax Withholding

Shares

15.89K

Price / share

$14.31

Trade value

$227.37K

% of position

1.9%
6/1/2026
844.93K829.04K

Common Stock

Direct
F · Tax Withholding

Shares

11.24K

Price / share

$14.31

Trade value

$160.86K

% of position

1.4%
6/1/2026
829.04K817.80K

Common Stock

Direct
M · Option Exercise

Shares

+40.38K

Price / share

Trade value

% of position

4.9%
6/1/2026
817.80K858.18K
Total

Net shares

+4.29K

Net value

-$516.43K

Derivative Transactions1

Restricted Stock Units

Direct
M · Option Exercise
Converts to

Common Stock

40.38K shares

Shares

40.38K

Strike price

0.0

Held after

0.00

Exercisable

6/1/2026
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 Jun 3, 2026 | Finecho