| Randy F. Lieble |
NPK |
Common stock $1.00 par value |
Sale |
-31.6% |
$347,975 |
$143.97 |
-2,417 |
5,222 |
11 Mar 2026 |
Direct |
| David J. Peuse |
NPK |
Common stock $1.00 par value |
Award |
23% |
|
|
327 |
1,747 |
02 Jan 2026 |
Direct |
| Douglas J. Frederick |
NPK |
Common stock $1.00 par value |
Award |
4.41% |
|
|
386 |
9,142 |
02 Jan 2026 |
Direct |
| John Roderick MacKenzie Jr. |
NPK |
Common stock $1.00 par value |
Award |
21.1% |
|
|
327 |
1,875 |
02 Jan 2026 |
Direct |
| Jeffery Alan Morgan |
NPK |
Common stock $1.00 par value |
Award |
12.1% |
|
|
234 |
2,165 |
02 Jan 2026 |
Direct |
| Randy F. Lieble |
NPK |
Common stock $1.00 par value |
Award |
20% |
|
|
100 |
599 |
02 Jan 2026 |
Lieble Family Trust DTD 7/19/2018 |
| Patrick J. Quinn |
NPK |
Common stock $1.00 par value |
Award |
7.67% |
|
|
100 |
1,404 |
02 Jan 2026 |
Patrick J Quinn and Susan L Quinn Revocable Trust U/A DTD 11/08/2010 |
| Joseph G. Stienessen |
NPK |
Common stock $1.00 par value |
Award |
5.04% |
|
|
100 |
2,086 |
02 Jan 2026 |
SEP IRA |
| Jeffery Alan Morgan |
NPK |
Common stock $1.00 par value |
Tax liability |
-3.88% |
|
|
-78 |
1,931 |
17 Mar 2025 |
Direct |
| David J. Peuse |
NPK |
Common stock $1.00 par value |
Tax liability |
-1.32% |
|
|
-19 |
1,420 |
17 Mar 2025 |
Direct |
| Douglas J. Frederick |
NPK |
Common stock $1.00 par value |
Tax liability |
-1.08% |
|
|
-96 |
8,756 |
17 Mar 2025 |
Direct |
| Maryjo R. Cohen |
NPK |
Common stock $1.00 par value |
Award |
0.44% |
|
|
1,016 |
231,079 |
02 Jan 2025 |
Direct |
| Joseph G. Stienessen |
NPK |
Common stock $1.00 par value |
Award |
5.64% |
|
|
106 |
1,986 |
02 Jan 2025 |
SEP IRA |
| Patrick J. Quinn |
NPK |
Common stock $1.00 par value |
Award |
8.85% |
|
|
106 |
1,304 |
02 Jan 2025 |
Patrick J Quinn and Susan L Quinn Revocable Trust U/A DTD 11/08/2010 |
| Randy F. Lieble |
NPK |
Common stock $1.00 par value |
Award |
27% |
|
|
106 |
499 |
02 Jan 2025 |
Lieble Family Trust DTD 7/19/2018 |
| David J. Peuse |
NPK |
Common stock $1.00 par value |
Award |
21.4% |
|
|
254 |
1,439 |
02 Jan 2025 |
Direct |
| Jeffery Alan Morgan |
NPK |
Common stock $1.00 par value |
Award |
14.5% |
|
|
254 |
2,009 |
02 Jan 2025 |
Direct |
| John Roderick MacKenzie Jr. |
NPK |
Common stock $1.00 par value |
Award |
35.6% |
|
|
406 |
1,548 |
02 Jan 2025 |
Direct |
| Douglas J. Frederick |
NPK |
Common stock $1.00 par value |
Award |
4.81% |
|
|
406 |
8,852 |
02 Jan 2025 |
Direct |
| David J. Peuse |
NPK |
Common stock $1.00 par value |
Tax liability |
-0.92% |
|
|
-11 |
1,185 |
15 Mar 2024 |
Direct |
| Jeffery Alan Morgan |
NPK |
Common stock $1.00 par value |
Tax liability |
-1.63% |
|
|
-29 |
1,755 |
15 Mar 2024 |
Direct |
| David J. Peuse |
NPK |
Common stock $1.00 par value |
Award |
18.4% |
|
|
186 |
1,196 |
02 Jan 2024 |
Direct |
| John Roderick MacKenzie Jr. |
NPK |
Common stock $1.00 par value |
Award |
61.5% |
|
|
435 |
1,142 |
02 Jan 2024 |
Direct |
| Douglas J. Frederick |
NPK |
Common stock $1.00 par value |
Award |
6.27% |
|
|
498 |
8,446 |
02 Jan 2024 |
Direct |
| Joseph G. Stienessen |
NPK |
Common stock $1.00 par value |
Award |
7.43% |
|
|
130 |
1,880 |
02 Jan 2024 |
SEP IRA |
| Patrick J. Quinn |
NPK |
Common stock $1.00 par value |
Award |
12.2% |
|
|
130 |
1,198 |
02 Jan 2024 |
Patrick J Quinn and Susan L Quinn Revocable Trust U/A DTD 11/08/2010 |
| Randy F. Lieble |
NPK |
Common stock $1.00 par value |
Award |
49.4% |
|
|
130 |
393 |
02 Jan 2024 |
Lieble Family Trust DTD 7/19/2018 |
| David J. Peuse |
NPK |
Common stock $1.00 par value |
Sale |
-4.08% |
$3,276 |
$76.18 |
-43 |
1,010 |
17 Aug 2023 |
Direct |
| David J. Peuse |
NPK |
Common stock $1.00 par value |
Sale |
-19.2% |
$11,427 |
$76.18 |
-150 |
633 |
17 Aug 2023 |
401(k) plan |
| David J. Peuse |
NPK |
Common stock $1.00 par value |
Tax liability |
-2.05% |
|
|
-22 |
1,053 |
15 Mar 2023 |
Direct |
| Jeffery Alan Morgan |
NPK |
Common stock $1.00 par value |
Tax liability |
-1.87% |
|
|
-34 |
1,784 |
15 Mar 2023 |
Direct |
| Richard L. Jeffers |
NPK |
Common stock $1.00 par value |
Tax liability |
-17.3% |
|
|
-378 |
1,804 |
20 Jan 2023 |
Direct |
| David J. Peuse |
NPK |
Common stock $1.00 par value |
Award |
37.3% |
|
|
292 |
1,075 |
05 Jan 2023 |
Direct |
| Richard L. Jeffers |
NPK |
Common stock $1.00 par value |
Award |
25.1% |
|
|
438 |
2,182 |
05 Jan 2023 |
Direct |
| Jeffery Alan Morgan |
NPK |
Common stock $1.00 par value |
Award |
36.1% |
|
|
482 |
1,818 |
05 Jan 2023 |
Direct |
| Douglas J. Frederick |
NPK |
Common stock $1.00 par value |
Award |
17.5% |
|
|
1,186 |
7,948 |
05 Jan 2023 |
Direct |
| Joseph G. Stienessen |
NPK |
Common stock $1.00 par value |
Award |
9.1% |
|
|
146 |
1,750 |
05 Jan 2023 |
SEP IRA |
| Richard N. Cardozo |
NPK |
Common stock $1.00 par value |
Award |
65.8% |
|
|
146 |
368 |
05 Jan 2023 |
Richard N Cardozo Family Trust U/A DTD 1/21/2000 |
| Patrick J. Quinn |
NPK |
Common stock $1.00 par value |
Award |
15.8% |
|
|
146 |
1,068 |
05 Jan 2023 |
Patrick J Quinn and Susan L Quinn Revocable Trust U/A DTD 11/-8/2010 |
| Randy F. Lieble |
NPK |
Common stock $1.00 par value |
Award |
124.8% |
|
|
146 |
263 |
05 Jan 2023 |
Lieble Family Trust DTD 7/19/2018 |
| Maryjo R. Cohen |
NPK |
Common stock $1.00 par value |
Award |
0.8% |
|
|
1,825 |
230,063 |
05 Jan 2023 |
Direct |
| David J. Peuse |
NPK |
Common stock $1.00 par value |
Tax liability |
-1.63% |
|
|
-13 |
783 |
16 Mar 2022 |
Direct |
| Jeffery Alan Morgan |
NPK |
Common stock $1.00 par value |
Tax liability |
-1.18% |
|
|
-16 |
1,336 |
16 Mar 2022 |
Direct |
| Douglas J. Frederick |
NPK |
Common stock $1.00 par value |
Tax liability |
-5.32% |
|
|
-380 |
6,762 |
16 Mar 2022 |
Direct |
| Joseph G. Stienessen |
NPK |
Common stock $1.00 par value |
Award |
7.87% |
|
|
117 |
1,604 |
06 Jan 2022 |
SEP IRA |
| Richard N. Cardozo |
NPK |
Common stock $1.00 par value |
Award |
111.4% |
|
|
117 |
222 |
06 Jan 2022 |
Richard N Cardozo Family Trust U/A DTD 1/21/2000 |
| Patrick J. Quinn |
NPK |
Common stock $1.00 par value |
Award |
16.7% |
|
|
117 |
817 |
06 Jan 2022 |
Patrick J Quinn and Susan L Quinn Revocable Trust U/A DTD 11/08/2010 |
| Randy F. Lieble |
NPK |
Common stock $1.00 par value |
Award |
|
|
|
117 |
117 |
06 Jan 2022 |
Lieble family trust DTD 7/19/2018 |
| David J. Peuse |
NPK |
Common stock $1.00 par value |
Award |
61.8% |
|
|
304 |
796 |
31 Dec 2021 |
Direct |
| Richard L. Jeffers |
NPK |
Common stock $1.00 par value |
Award |
39.9% |
|
|
497 |
1,744 |
31 Dec 2021 |
Direct |