List of insiders holdings for NPK International Inc.:
- Shares directly owned by the insider.
- Shares indirectly owned by the insider.
- Total shares owned by the insider (sum of shares directly and indirectly owned).
- Total market value if available.
- Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
- Peter Lynch
What is insider trading>>
# | Insider Holder Name | Report Date Time |
Shares Owned Directly Indirectly |
Total Shares Owned |
Filing |
1 | LANIGAN MATTHEW President & CEO |
2025-06-03 18:21:39 | 1,396,477 0 |
1,396,477 | Form 4 |
2 | Howes Paul L President & CEO |
2021-08-27 08:56:35 | 1,236,325 25,000 |
1,261,325 | Form 4 |
3 | Piontek Gregg Senior Vice President and CFO |
2025-06-03 18:21:23 | 1,040,463 65,000 |
1,105,463 | Form 4 |
4 | COLE JAMES D Chief Executive Officer |
2006-04-17 18:04:03 | 645,363 320,048 |
965,411 | Form 4 |
5 | KAUFMAN ALAN JOSEPH Director |
2005-09-27 16:35:58 | 920,292 0 |
920,292 | Form 4 |
6 | PATERSON DAVID A VP & President, Fluids Systems |
2024-06-04 18:33:10 | 698,080 0 |
698,080 | Form 4 |
7 | VOLLANDS PHILLIP T Vice President and President |
2018-06-05 14:28:25 | 435,279 0 |
435,279 | Form 4 |
8 | AIROLA MARK J Sr Vice Pres, General Counsel |
2018-08-15 17:58:44 | 434,099 0 |
434,099 | Form 4 |
9 | Smith Bruce Campbell Exec Vice President & Chief |
2019-07-05 15:37:30 | 397,267 0 |
397,267 | Form 4 |
10 | WHITE DOUGLAS L VP, CAO & Treasurer |
2025-06-03 18:22:08 | 348,514 0 |
348,514 | Form 4 |
11 | Young Donald Win Director |
2025-05-19 16:48:08 | 310,940 0 |
310,940 | Form 4 |
12 | Fruge Mary Celeste VP, General Counsel |
2025-06-03 18:21:08 | 282,487 0 |
282,487 | Form 4 |
13 | FINLEY G STEPHEN Director |
2021-05-21 11:00:04 | 275,484 0 |
275,484 | Form 4 |
14 | Briggs Lori VP & President, Ind. Solutions |
2025-06-10 17:51:36 | 268,631 0 |
268,631 | Form 4 |
15 | LARSON RODERICK A. Director |
2025-05-19 17:09:13 | 15,097 233,651 |
248,748 | Form 4 |
16 | MINGE JOHN C Director |
2025-05-19 16:47:37 | 245,384 0 |
245,384 | Form 4 |
17 | BEST ANTHONY JAMES Director |
2022-05-20 16:22:07 | 237,809 0 |
237,809 | Form 4 |
18 | Earle Edward Chipman VP, General Counsel, CAO |
2022-12-16 17:45:47 | 230,265 0 |
230,265 | Form 4 |
19 | McFarland James Director |
2016-12-09 15:08:38 | 228,748 0 |
228,748 | Form 4 |
20 | WARREN GARY L Director |
2018-05-21 12:16:22 | 226,706 0 |
226,706 | Form 4 |
21 | Juergens Jeffery L VP & Pres of NMIS |
2015-12-23 12:40:27 | 219,365 0 |
219,365 | Form 4 |
22 | ROBESON ROSE M Director |
2025-05-19 16:47:52 | 214,285 0 |
214,285 | Form 4 |
23 | Cooper Samuel Lee VP & President, Env Services |
2009-06-11 16:03:58 | 200,000 0 |
200,000 | Form 4 |
24 | Anderson David C Director |
2018-05-07 16:24:11 | 150,841 0 |
150,841 | Form 4/A |
25 | Braun James E Vice President and CFO |
2011-06-14 18:40:05 | 143,984 0 |
143,984 | Form 4 |
26 | Lewis Michael A Director |
2025-05-19 16:46:55 | 139,385 0 |
139,385 | Form 4 |
27 | BOX JERRY Director |
2014-05-01 17:59:20 | 125,045 0 |
125,045 | Form 4 |
28 | Meer Claudia Michel Director |
2025-05-20 16:17:58 | 118,135 0 |
118,135 | Form 4 |
29 | Moss William D Vice President |
2011-06-14 18:39:51 | 75,877 0 |
75,877 | Form 4 |
30 | Wingerter Eric Martin VP/Controller & Acting CFO |
2006-06-12 16:00:49 | 69,243 500 |
69,743 | Form 3 |
31 | Kendrick Lee Ann Vice President, HR |
2014-06-11 15:12:25 | 59,680 0 |
59,680 | Form 4 |
32 | TUCEI F WALKER JR Director |
2008-06-13 12:50:55 | 47,000 0 |
47,000 | Form 4 |
33 | HUNT DAVID P Director |
2007-03-20 17:48:18 | 46,000 0 |
46,000 | Form 4 |
34 | Mikaelian Sean David President - Subsidiary |
2007-06-15 17:52:10 | 35,000 0 |
35,000 | Form 4 |
35 | CUTILLO JOSEPH A Director |
2025-05-19 16:46:30 | 27,597 0 |
27,597 | Form 4 |
36 | BALLANTINE WILLIAM THOMAS President and COO |
2006-04-05 14:47:02 | 20,000 0 |
20,000 | Form 4/A |
37 | STULL ROGER Director |
2006-12-29 18:11:50 | 10,000 0 |
10,000 | Form 4 |
38 | KAUFMAN ALAN J Director |
2006-12-29 17:56:02 | 10,000 0 |
10,000 | Form 4 |
39 | STONE JAMES HIRAM Director |
2006-04-05 15:48:16 | 10,000 0 |
10,000 | Form 4/A |
40 | HARDEY MATTHEW W VP of Finance and CFO |
2006-04-05 15:22:50 | 10,000 0 |
10,000 | Form 4/A |
41 | HARTVILLE GROUP INC Director |
2005-03-07 17:06:52 | 0 0 |
0 | Form 4/A |