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 · 2 exercises
InsiderPIONTEK GREGGCIK 1418328
IssuerNPK INTERNATIONAL INC.CIK 71829
Officer· Senior Vice President and CFO
Since Mar 2026
-42.08K
Net shares
Net seller
$340.4K
Total sold
0
Open market trades
0B · 0S
7
Total transactions
84.17K acquired · 126.25K disposed
Non-Derivative Transactions5

Common Stock

Direct
M · Option Exercise

Shares

+43.79K

Price / share

Trade value

% of position

5.0%
6/1/2025
877.24K921.03K

Common Stock

Direct
F · Tax Withholding

Shares

17.23K

Price / share

$8.09

Trade value

$139.40K

% of position

1.9%
6/1/2025
921.03K903.79K

Common Stock

Direct
F · Tax Withholding

Shares

15.89K

Price / share

$8.09

Trade value

$128.54K

% of position

1.8%
6/1/2025
903.79K887.91K

Common Stock

Direct
F · Tax Withholding

Shares

8.96K

Price / share

$8.09

Trade value

$72.48K

% of position

1.0%
6/1/2025
887.91K878.95K

Common Stock

Direct
M · Option Exercise

Shares

+40.38K

Price / share

Trade value

% of position

4.6%
6/1/2025
878.95K919.33K
Total

Net shares

+42.09K

Net value

-$340.42K

Derivative Transactions2

Restricted Stock Units

Direct
M · Option Exercise
Converts to

Common Stock

43.79K shares

Shares

43.79K

Strike price

0.0

Held after

80.76K

Exercisable

6/1/2025

Restricted Stock Units

Direct
M · Option Exercise
Converts to

Common Stock

40.38K shares

Shares

40.38K

Strike price

0.0

Held after

40.38K

Exercisable

6/1/2025
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, 2025 | Finecho