Sign inGet started

NPKI

NPK International Inc.CIK 71829 ☆ Sign in to watchCongress trades
Open-mkt buys · 90d
—
0 trades · 0 insiders
Open-mkt sales · 90d
$407.4K
6 trades · 3 insiders
Net · 90d
$-407.4K
Insiders on file
15

AI insights for NPKI PRO

XXXX$█.██M██+██%
XXXX$█.██M██+██%
XXXX$█.██M██+██%
XXXX$█.██M██+██%
XXXX$█.██M██+██%
AI insights for NPKI
Insider sentiment score with a plain-English explanation, conviction score on every buy, and how the stock performed 30 and 90 days after past insider buys.
Upgrade to Pro · $99/yearAlready Pro? Log in

Daily buy vs sell · 90 days

$269.8K2026-08-17 buys — 2026-08-17 sales $57.4K08-172026-08-27 buys — 2026-08-27 sales $269.8K08-272026-09-09 buys — 2026-09-09 sales $80.2K09-09
■ Open-market buys (P)   ■ Open-market sales (S) · daily dollar value by transaction date

Insiders

InsiderRoleTradesBoughtSoldLast trade
Barton III Alvin JamesEVP Commercial Growth & Ops.2$0$02026-09-22
Warren Matthew JamesChief Accounting Officer2$0$80.2K2026-09-09
ROBESON ROSE MDirector4$0$269.8K2026-08-27
Lewis Michael ADirector9$0$179.3K2026-08-17
Pederson Kristen J.Director2$0$02026-07-28
Briggs LoriVP & President, Ind. Solutions20$0$617.5K2026-06-08
LANIGAN MATTHEWPresident & CEO22$0$3.14M2026-06-03
Fruge Mary CelesteVP, General Counsel20$0$162.9K2026-06-01
Piontek GreggSenior Vice President and CFO21$0$2.49M2026-06-01
Meer Claudia MichelDirector3$31.7K$02026-05-20
MINGE JOHN CDirector3$53.8K$02026-05-20
CUTILLO JOSEPH ADirector3$100.0K$02026-05-20
LARSON RODERICK A.Director2$0$02026-05-20
WHITE DOUGLAS LVP, CAO & Treasurer9$0$02025-06-14
Young Donald WinDirector1$0$02025-05-15

Trade history

InsiderRoleCodeTradeFiledSharesPriceValueOwned after
Barton III Alvin JamesEVP Commercial Growth & Ops. A Award2026-09-222026-09-2412,850— $012,850SEC↗
Barton III Alvin JamesEVP Commercial Growth & Ops. A Award2026-09-222026-09-2412,850— $012,850SEC↗
Warren Matthew JamesChief Accounting Officer S Sale2026-09-092026-09-102,991$13.41 $40.1K51,439SEC↗
Warren Matthew JamesChief Accounting Officer S Sale2026-09-092026-09-102,991$13.41 $40.1K51,439SEC↗
ROBESON ROSE MDirector S Sale2026-08-272026-08-3110,000$13.49 $134.9K215,147SEC↗
ROBESON ROSE MDirector S Sale2026-08-272026-08-3110,000$13.49 $134.9K215,147SEC↗
Lewis Michael ADirector S Sale2026-08-172026-08-192,013$14.26 $28.7K135,865SEC↗
Lewis Michael ADirector S Sale2026-08-172026-08-192,013$14.26 $28.7K135,865SEC↗
Pederson Kristen J.Director A Award2026-07-282026-07-296,614— $06,614SEC↗
Pederson Kristen J.Director A Award2026-07-282026-07-296,614— $06,614SEC↗
Briggs LoriVP & President, Ind. Solutio S Sale2026-06-082026-06-098,325$14.75 $122.8K247,165SEC↗
LANIGAN MATTHEWPresident & CEO S Sale2026-06-032026-06-05167,375$14.43 $2.42M254,699SEC↗
Briggs LoriVP & President, Ind. Solutio S Sale2026-06-022026-06-0310,446$14.58 $152.3K255,490SEC↗
Briggs LoriVP & President, Ind. Solutio M Exercise deriv2026-06-012026-06-0324,340— $00SEC↗
Piontek GreggSenior Vice President and CF M Exercise deriv2026-06-012026-06-0340,379— $00SEC↗
LANIGAN MATTHEWPresident & CEO M Exercise deriv2026-06-012026-06-03100,188— $00SEC↗
Fruge Mary CelesteVP, General Counsel M Exercise deriv2026-06-012026-06-0317,274— $00SEC↗
Briggs LoriVP & President, Ind. Solutio M Exercise2026-06-012026-06-0324,340— $0265,936SEC↗
Briggs LoriVP & President, Ind. Solutio F Tax w/h2026-06-012026-06-035,401$14.31 $77.3K257,950SEC↗
Briggs LoriVP & President, Ind. Solutio F Tax w/h2026-06-012026-06-036,777$14.31 $97.0K241,596SEC↗
Briggs LoriVP & President, Ind. Solutio F Tax w/h2026-06-012026-06-039,577$14.31 $137.0K248,373SEC↗
Piontek GreggSenior Vice President and CF F Tax w/h2026-06-012026-06-0311,241$14.31 $160.9K817,803SEC↗
Piontek GreggSenior Vice President and CF F Tax w/h2026-06-012026-06-038,959$14.31 $128.2K844,933SEC↗
Piontek GreggSenior Vice President and CF M Exercise2026-06-012026-06-0340,379— $0858,182SEC↗
Piontek GreggSenior Vice President and CF F Tax w/h2026-06-012026-06-0315,889$14.31 $227.4K829,044SEC↗
LANIGAN MATTHEWPresident & CEO F Tax w/h2026-06-012026-06-0327,894$14.31 $399.2K361,309SEC↗
LANIGAN MATTHEWPresident & CEO F Tax w/h2026-06-012026-06-0322,232$14.31 $318.1K389,203SEC↗
LANIGAN MATTHEWPresident & CEO M Exercise2026-06-012026-06-03100,188— $0422,074SEC↗
LANIGAN MATTHEWPresident & CEO F Tax w/h2026-06-012026-06-0339,423$14.31 $564.1K321,886SEC↗
Fruge Mary CelesteVP, General Counsel F Tax w/h2026-06-012026-06-036,797$14.31 $97.3K267,367SEC↗
Fruge Mary CelesteVP, General Counsel F Tax w/h2026-06-012026-06-033,833$14.31 $54.9K279,382SEC↗
Fruge Mary CelesteVP, General Counsel M Exercise2026-06-012026-06-0317,274— $0284,641SEC↗
Fruge Mary CelesteVP, General Counsel F Tax w/h2026-06-012026-06-035,218$14.31 $74.7K274,164SEC↗
CUTILLO JOSEPH ADirector A Award2026-05-202026-05-218,558— $036,155SEC↗
LARSON RODERICK A.Director A Award2026-05-202026-05-218,558— $023,655SEC↗
Lewis Michael ADirector A Award2026-05-202026-05-218,558— $0137,878SEC↗
Meer Claudia MichelDirector A Award2026-05-202026-05-218,558— $0126,693SEC↗
MINGE JOHN CDirector A Award2026-05-202026-05-218,558— $0253,942SEC↗
ROBESON ROSE MDirector A Award2026-05-202026-05-2110,862— $0225,147SEC↗
Briggs LoriVP & President, Ind. Solutio A Award2026-05-192026-05-2120,838— $0263,351SEC↗
Fruge Mary CelesteVP, General Counsel A Award2026-05-192026-05-2118,002— $0283,215SEC↗
LANIGAN MATTHEWPresident & CEO A Award2026-05-192026-05-2185,771— $0411,435SEC↗
Piontek GreggSenior Vice President and CF A Award2026-05-192026-05-2134,566— $0853,892SEC↗
Lewis Michael ADirector S Sale2026-05-152026-05-192,013$15.30 $30.8K129,320SEC↗
Piontek GreggSenior Vice President and CF S Sale2026-04-092026-04-1015,000$15.05 $225.8K819,326SEC↗
Piontek GreggSenior Vice President and CF S Sale2026-04-012026-04-0335,000$14.51 $507.9K834,326SEC↗
Piontek GreggSenior Vice President and CF S Sale2026-03-252026-03-2615,000$15.03 $225.4K869,326SEC↗
Fruge Mary CelesteVP, General Counsel M Exercise deriv2026-03-162026-03-181,000— $00SEC↗
Fruge Mary CelesteVP, General Counsel S Sale2026-03-162026-03-181,000$13.56 $13.6K265,213SEC↗
Fruge Mary CelesteVP, General Counsel M Exercise2026-03-162026-03-181,000$4.32 $4.3K266,213SEC↗
Fruge Mary CelesteVP, General Counsel M Exercise deriv2026-03-062026-03-1011,193— $01,000SEC↗
Fruge Mary CelesteVP, General Counsel M Exercise2026-03-062026-03-1011,193$4.32 $48.4K276,406SEC↗
Fruge Mary CelesteVP, General Counsel S Sale2026-03-062026-03-1011,193$13.34 $149.3K265,213SEC↗
Piontek GreggSenior Vice President and CF M Exercise deriv2026-03-042026-03-0573,590— $00SEC↗
Piontek GreggSenior Vice President and CF S Sale2026-03-042026-03-0573,590$14.10 $1.04M919,326SEC↗
Piontek GreggSenior Vice President and CF M Exercise2026-03-042026-03-0573,590$4.32 $317.9K992,916SEC↗
Piontek GreggSenior Vice President and CF S Sale2026-03-042026-03-0535,000$14.02 $490.7K884,326SEC↗
Lewis Michael ADirector S Sale2026-02-232026-02-252,013$14.31 $28.8K131,333SEC↗
Lewis Michael ADirector S Sale2025-11-242025-11-252,013$12.00 $24.2K133,346SEC↗
LANIGAN MATTHEWPresident & CEO G Gift2025-10-032025-10-06770,249— $0325,664SEC↗
Briggs LoriVP & President, Ind. Solutio S Sale2025-10-012025-10-0310,108$11.51 $116.3K242,513SEC↗
LANIGAN MATTHEWPresident & CEO M Exercise deriv2025-09-032025-09-041,000$10.38 $10.4K0SEC↗
LANIGAN MATTHEWPresident & CEO S Sale2025-09-032025-09-041,000$10.38 $10.4K1,095,913SEC↗
LANIGAN MATTHEWPresident & CEO M Exercise2025-09-032025-09-041,000$4.32 $4.3K1,096,913SEC↗
Lewis Michael ADirector S Sale2025-08-252025-08-262,013$10.33 $20.8K135,359SEC↗
LANIGAN MATTHEWPresident & CEO M Exercise deriv2025-08-222025-08-2668,896$10.34 $712.4K1,000SEC↗
LANIGAN MATTHEWPresident & CEO M Exercise2025-08-222025-08-2668,896$4.32 $297.6K1,164,809SEC↗
LANIGAN MATTHEWPresident & CEO S Sale2025-08-222025-08-2668,896$10.34 $712.4K1,095,913SEC↗
Briggs LoriVP & President, Ind. Solutio S Sale2025-08-112025-08-128,005$9.51 $76.1K252,621SEC↗
Briggs LoriVP & President, Ind. Solutio S Sale2025-07-092025-07-108,005$8.57 $68.6K260,626SEC↗
Lewis Michael ADirector S Sale2025-06-162025-06-172,013$8.60 $17.3K137,372SEC↗
WHITE DOUGLAS LVP, CAO & Treasurer A Award2025-06-142025-06-17730$6.51 $4.8K305,245SEC↗
Briggs LoriVP & President, Ind. Solutio S Sale2025-06-062025-06-109,704$8.38 $81.3K268,631SEC↗
Fruge Mary CelesteVP, General Counsel M Exercise deriv2025-06-012026-01-2117,274— $017,274SEC↗
Fruge Mary CelesteVP, General Counsel M Exercise2025-06-012026-01-2117,274— $0265,213SEC↗
Fruge Mary CelesteVP, General Counsel M Exercise deriv2025-06-012025-06-0317,247— $017,301SEC↗
Piontek GreggSenior Vice President and CF M Exercise deriv2025-06-012025-06-0343,790— $080,758SEC↗
Piontek GreggSenior Vice President and CF M Exercise deriv2025-06-012025-06-0340,379— $040,379SEC↗
LANIGAN MATTHEWPresident & CEO M Exercise deriv2025-06-012025-06-03100,188— $0100,188SEC↗
LANIGAN MATTHEWPresident & CEO M Exercise deriv2025-06-012025-06-03108,651— $0200,376SEC↗
Briggs LoriVP & President, Ind. Solutio M Exercise deriv2025-06-012025-06-0326,396— $048,680SEC↗
Briggs LoriVP & President, Ind. Solutio M Exercise deriv2025-06-012025-06-0324,340— $024,340SEC↗
WHITE DOUGLAS LVP, CAO & Treasurer M Exercise deriv2025-06-012025-06-0314,667— $014,666SEC↗
WHITE DOUGLAS LVP, CAO & Treasurer M Exercise deriv2025-06-012025-06-0317,333— $029,333SEC↗
Fruge Mary CelesteVP, General Counsel F Tax w/h2025-06-012025-06-036,820$8.09 $55.2K251,772SEC↗
Fruge Mary CelesteVP, General Counsel F Tax w/h2025-06-012025-06-036,797$8.09 $55.0K258,592SEC↗
Fruge Mary CelesteVP, General Counsel F Tax w/h2025-06-012025-06-033,833$8.09 $31.0K247,939SEC↗
Fruge Mary CelesteVP, General Counsel M Exercise2025-06-012025-06-0317,247— $0265,186SEC↗
Piontek GreggSenior Vice President and CF F Tax w/h2025-06-012025-06-0317,231$8.09 $139.4K903,795SEC↗
Piontek GreggSenior Vice President and CF M Exercise2025-06-012025-06-0343,790— $0921,026SEC↗
Piontek GreggSenior Vice President and CF F Tax w/h2025-06-012025-06-0315,889$8.09 $128.5K887,906SEC↗
Piontek GreggSenior Vice President and CF F Tax w/h2025-06-012025-06-038,959$8.09 $72.5K878,947SEC↗
Piontek GreggSenior Vice President and CF M Exercise2025-06-012025-06-0340,379— $0919,326SEC↗
LANIGAN MATTHEWPresident & CEO M Exercise2025-06-012025-06-03108,651— $01,100,134SEC↗
LANIGAN MATTHEWPresident & CEO M Exercise2025-06-012025-06-03100,188— $01,200,322SEC↗
LANIGAN MATTHEWPresident & CEO F Tax w/h2025-06-012025-06-0322,232$8.09 $179.9K1,178,090SEC↗
LANIGAN MATTHEWPresident & CEO F Tax w/h2025-06-012025-06-0339,423$8.09 $318.9K1,138,667SEC↗
LANIGAN MATTHEWPresident & CEO F Tax w/h2025-06-012025-06-0342,754$8.09 $345.9K1,095,913SEC↗
Briggs LoriVP & President, Ind. Solutio F Tax w/h2025-06-012025-06-0310,386$8.09 $84.0K278,335SEC↗
Briggs LoriVP & President, Ind. Solutio M Exercise2025-06-012025-06-0326,396— $0279,359SEC↗
Briggs LoriVP & President, Ind. Solutio M Exercise2025-06-012025-06-0324,340— $0303,699SEC↗
Briggs LoriVP & President, Ind. Solutio F Tax w/h2025-06-012025-06-035,401$8.09 $43.7K298,298SEC↗
Briggs LoriVP & President, Ind. Solutio F Tax w/h2025-06-012025-06-039,577$8.09 $77.5K288,721SEC↗
WHITE DOUGLAS LVP, CAO & Treasurer F Tax w/h2025-06-012025-06-033,122$8.09 $25.3K317,106SEC↗
WHITE DOUGLAS LVP, CAO & Treasurer F Tax w/h2025-06-012025-06-036,820$8.09 $55.2K310,286SEC↗
WHITE DOUGLAS LVP, CAO & Treasurer F Tax w/h2025-06-012025-06-035,771$8.09 $46.7K304,515SEC↗
WHITE DOUGLAS LVP, CAO & Treasurer M Exercise2025-06-012025-06-0314,667— $0320,228SEC↗
WHITE DOUGLAS LVP, CAO & Treasurer M Exercise2025-06-012025-06-0317,333— $0305,561SEC↗
Meer Claudia MichelDirector P Buy2025-05-192025-05-204,000$7.92 $31.7K118,135SEC↗
CUTILLO JOSEPH ADirector A Award2025-05-152025-05-1915,097— $027,597SEC↗
Lewis Michael ADirector A Award2025-05-152025-05-1915,097— $0139,385SEC↗
Meer Claudia MichelDirector A Award2025-05-152025-05-1915,097— $0114,135SEC↗
MINGE JOHN CDirector A Award2025-05-152025-05-1915,097— $0245,384SEC↗
ROBESON ROSE MDirector A Award2025-05-152025-05-1918,720— $0214,285SEC↗
Young Donald WinDirector A Award2025-05-152025-05-1915,097— $0310,940SEC↗
LARSON RODERICK A.Director A Award2025-05-152025-05-1915,097— $015,097SEC↗
Briggs LoriVP & President, Ind. Solutio A Award2025-05-142025-05-1651,667— $0252,963SEC↗
Fruge Mary CelesteVP, General Counsel A Award2025-05-142025-05-1639,783— $0265,389SEC↗
LANIGAN MATTHEWPresident & CEO A Award2025-05-142025-05-16212,667— $0991,483SEC↗
Piontek GreggSenior Vice President and CF A Award2025-05-142025-05-1685,706— $0877,236SEC↗
WHITE DOUGLAS LVP, CAO & Treasurer A Award2025-05-142025-05-1629,900— $0288,228SEC↗
CUTILLO JOSEPH ADirector P Buy2025-05-082025-05-0812,500$8.00 $100.0K12,500SEC↗
MINGE JOHN CDirector P Buy2025-03-052025-03-0610,000$5.38 $53.8K230,287SEC↗