See how company executives and directors have been buying or selling shares over the past 30 days. Insider trading activity can help investors better understand company leadership's actions.
No Insider Transactions found for NPK International Inc.
Browse insider buying and selling activity reported to the SEC over the past year, including who traded, when they traded, and the value of each transaction.
DATE INSIDER |
INSIDER | TYPE | SHARES | PRICE | SHARES PRICE VALUE |
|---|---|---|---|---|---|
Sep 09, 2026 Warren Matthew James |
Warren Matthew James
CAO
|
Sell |
2,991 | $13.41 | 2,991 $13.41 $40,113 |
Aug 27, 2026 ROBESON ROSE M |
ROBESON ROSE M
|
Sell |
10,000 | $13.49 | 10,000 $13.49 $134,917 |
Aug 17, 2026 Lewis Michael A |
Lewis Michael A
|
Sell |
2,013 | $14.26 | 2,013 $14.26 $28,705 |
Jun 08, 2026 Briggs Lori |
Briggs Lori
VP & President, Ind. Solutions
|
Sell |
8,325 | $14.75 | 8,325 $14.75 $122,790 |
Jun 02, 2026 Briggs Lori |
Briggs Lori
VP & President, Ind. Solutions
|
Sell |
10,446 | $14.58 | 10,446 $14.58 $152,278 |
May 15, 2026 Lewis Michael A |
Lewis Michael A
|
Sell |
2,013 | $15.30 | 2,013 $15.30 $30,802 |
Apr 09, 2026 Piontek Gregg |
Piontek Gregg
Senior Vice President and CFO
|
Sell |
15,000 | $15.05 | 15,000 $15.05 $225,675 |
Apr 01, 2026 Piontek Gregg |
Piontek Gregg
Senior Vice President and CFO
|
Sell |
35,000 | $14.51 | 35,000 $14.51 $507,864 |
Mar 25, 2026 Piontek Gregg |
Piontek Gregg
Senior Vice President and CFO
|
Sell |
15,000 | $15.03 | 15,000 $15.03 $225,384 |
Mar 06, 2026 Fruge Mary Celeste |
Fruge Mary Celeste
VP, General Counsel
|
Sell |
11,193 | $13.34 | 11,193 $13.34 $149,303 |
Mar 04, 2026 Piontek Gregg |
Piontek Gregg
Senior Vice President and CFO
|
Sell |
73,590 | $14.10 | 73,590 $14.10 $1,037,464 |
Mar 04, 2026 Piontek Gregg |
Piontek Gregg
Senior Vice President and CFO
|
Sell |
35,000 | $14.02 | 35,000 $14.02 $490,592 |
Feb 23, 2026 Lewis Michael A |
Lewis Michael A
|
Sell |
2,013 | $14.31 | 2,013 $14.31 $28,796 |
View older insider trading records reported to the SEC to research long-term buying and selling trends.
DATE INSIDER |
INSIDER | TYPE | SHARES | PRICE | SHARES PRICE VALUE |
|---|---|---|---|---|---|
Nov 24, 2025 Lewis Michael A |
Lewis Michael A
|
Sell |
2,013 | $12.00 | 2,013 $12.00 $24,156 |
Sep 03, 2025 LANIGAN MATTHEW |
LANIGAN MATTHEW
President & CEO
|
Sell |
1,000 | $10.38 | 1,000 $10.38 $10,380 |
Aug 25, 2025 Lewis Michael A |
Lewis Michael A
|
Sell |
2,013 | $10.33 | 2,013 $10.33 $20,797 |
Aug 22, 2025 LANIGAN MATTHEW |
LANIGAN MATTHEW
President & CEO
|
Sell |
68,896 | $10.34 | 68,896 $10.34 $712,536 |
Aug 11, 2025 Briggs Lori |
Briggs Lori
VP & President, Ind. Solutions
|
Sell |
8,005 | $9.51 | 8,005 $9.51 $76,148 |
Jul 09, 2025 Briggs Lori |
Briggs Lori
VP & President, Ind. Solutions
|
Sell |
8,005 | $8.57 | 8,005 $8.57 $68,584 |
Jun 16, 2025 Lewis Michael A |
Lewis Michael A
|
Sell |
2,013 | $8.60 | 2,013 $8.60 $17,315 |
Jun 06, 2025 Briggs Lori |
Briggs Lori
VP & President, Ind. Solutions
|
Sell |
9,704 | $8.38 | 9,704 $8.38 $81,324 |
May 19, 2025 Meer Claudia Michel |
Meer Claudia Michel
|
Buy |
4,000 | $7.92 | 4,000 $7.92 $31,680 |
May 08, 2025 CUTILLO JOSEPH A |
CUTILLO JOSEPH A
|
Buy |
12,500 | $8.00 | 12,500 $8.00 $99,998 |
Mar 05, 2025 MINGE JOHN C |
MINGE JOHN C
|
Buy |
10,000 | $5.38 | 10,000 $5.38 $53,800 |
Aug 21, 2023 Meer Claudia Michel |
Meer Claudia Michel
|
Buy |
1,300 | $5.57 | 1,300 $5.57 $7,241 |
Aug 16, 2023 Meer Claudia Michel |
Meer Claudia Michel
|
Buy |
8,000 | $5.27 | 8,000 $5.27 $42,180 |
Dec 09, 2022 Lewis Michael A |
Lewis Michael A
|
Buy |
5,251 | $3.98 | 5,251 $3.98 $20,899 |
Nov 21, 2022 Young Donald Win |
Young Donald Win
|
Buy |
30,000 | $3.94 | 30,000 $3.94 $118,308 |
Nov 21, 2022 MINGE JOHN C |
MINGE JOHN C
|
Buy |
5,000 | $3.64 | 5,000 $3.64 $18,200 |
Nov 18, 2022 Meer Claudia Michel |
Meer Claudia Michel
|
Buy |
4,000 | $3.95 | 4,000 $3.95 $15,800 |
Nov 16, 2022 Meer Claudia Michel |
Meer Claudia Michel
|
Buy |
1,000 | $3.98 | 1,000 $3.98 $3,975 |
Nov 10, 2022 MINGE JOHN C |
MINGE JOHN C
|
Buy |
5,000 | $3.95 | 5,000 $3.95 $19,741 |
Aug 18, 2022 Young Donald Win |
Young Donald Win
|
Buy |
3,800 | $2.91 | 3,800 $2.91 $11,050 |
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