NPKI Insider Trading

Net Selling · 180d
Open-Market Buys (180d)
$0
0 insiders
Open-Market Sells (180d)
$5.4M
5 insiders
Net Insider Flow
-$5.4M
open market, 180d
Reporting Insiders
5
12 P/S transactions
Build

Build on these Form 4 transactions

The public view is the crawlable proof. The same sourced dataset is available through REST and MCP for agents, research scripts, and back-office tools.

Recent Form 4 Transactions

100 shown
DateInsiderRoleActionSharesPriceValue
Jun 8, 2026Briggs LoriVP & President, Ind. SolutionsSell(S)8K$14.75$123K
Jun 3, 2026Lanigan MatthewPresident & CEO, DirectorSell(S)167K$14.43$2.4M
Jun 2, 2026Briggs LoriVP & President, Ind. SolutionsSell(S)10K$14.58$152K
Jun 1, 2026Fruge Mary CelesteVP, General CounselTax withholding(F)4K$14.31$55K
Jun 1, 2026Fruge Mary CelesteVP, General CounselTax withholding(F)5K$14.31$75K
Jun 1, 2026Fruge Mary CelesteVP, General CounselTax withholding(F)7K$14.31$97K
Jun 1, 2026Fruge Mary CelesteVP, General CounselOption exercise(M)17K$0
Jun 1, 2026Fruge Mary CelesteVP, General CounselOption exercise(M)17K$0
Jun 1, 2026Lanigan MatthewPresident & CEO, DirectorTax withholding(F)22K$14.31$318K
Jun 1, 2026Lanigan MatthewPresident & CEO, DirectorTax withholding(F)28K$14.31$399K
Jun 1, 2026Lanigan MatthewPresident & CEO, DirectorTax withholding(F)39K$14.31$564K
Jun 1, 2026Lanigan MatthewPresident & CEO, DirectorOption exercise(M)100K$0
Jun 1, 2026Lanigan MatthewPresident & CEO, DirectorOption exercise(M)100K$0
Jun 1, 2026Piontek GreggSenior Vice President and CFOTax withholding(F)9K$14.31$128K
Jun 1, 2026Piontek GreggSenior Vice President and CFOTax withholding(F)16K$14.31$227K
Jun 1, 2026Piontek GreggSenior Vice President and CFOTax withholding(F)11K$14.31$161K
Jun 1, 2026Piontek GreggSenior Vice President and CFOOption exercise(M)40K$0
Jun 1, 2026Piontek GreggSenior Vice President and CFOOption exercise(M)40K$0
Jun 1, 2026Briggs LoriVP & President, Ind. SolutionsTax withholding(F)5K$14.31$77K
Jun 1, 2026Briggs LoriVP & President, Ind. SolutionsTax withholding(F)10K$14.31$137K
Jun 1, 2026Briggs LoriVP & President, Ind. SolutionsTax withholding(F)7K$14.31$97K
Jun 1, 2026Briggs LoriVP & President, Ind. SolutionsOption exercise(M)24K$0
Jun 1, 2026Briggs LoriVP & President, Ind. SolutionsOption exercise(M)24K$0
May 20, 2026Meer Claudia MichelDirectorGrant(A)9K$0
May 20, 2026Minge John CDirectorGrant(A)9K$0
May 20, 2026Lewis Michael ADirectorGrant(A)9K$0
May 20, 2026Larson Roderick A.DirectorGrant(A)9K$0
May 20, 2026Robeson Rose MDirectorGrant(A)11K$0
May 20, 2026Cutillo Joseph ADirectorGrant(A)9K$0
May 19, 2026Fruge Mary CelesteVP, General CounselGrant(A)18K$0
May 19, 2026Piontek GreggSenior Vice President and CFOGrant(A)35K$0
May 19, 2026Briggs LoriVP & President, Ind. SolutionsGrant(A)21K$0
May 19, 2026Lanigan MatthewPresident & CEO, DirectorGrant(A)86K$0
May 15, 2026Lewis Michael ADirectorSell(S)2K$15.30$31K
Apr 9, 2026Piontek GreggSenior Vice President and CFOSell(S)15K$15.05$226K
Apr 1, 2026Piontek GreggSenior Vice President and CFOSell(S)35K$14.51$508K
Mar 25, 2026Piontek GreggSenior Vice President and CFOSell(S)15K$15.03$225K
Mar 16, 2026Fruge Mary CelesteVP, General CounselOption exercise(M)1K$4.32$4K
Mar 16, 2026Fruge Mary CelesteVP, General CounselSell(S)1K$13.56$14K
Mar 16, 2026Fruge Mary CelesteVP, General CounselOption exercise(M)1K$0
Mar 6, 2026Fruge Mary CelesteVP, General CounselSell(S)11K$13.34$149K
Mar 6, 2026Fruge Mary CelesteVP, General CounselOption exercise(M)11K$4.32$48K
Mar 6, 2026Fruge Mary CelesteVP, General CounselOption exercise(M)11K$0
Mar 4, 2026Piontek GreggSenior Vice President and CFOSell(S)35K$14.02$491K
Mar 4, 2026Piontek GreggSenior Vice President and CFOOption exercise(M)74K$4.32$318K
Mar 4, 2026Piontek GreggSenior Vice President and CFOSell(S)74K$14.10$1.0M
Mar 4, 2026Piontek GreggSenior Vice President and CFOOption exercise(M)74K$0
Feb 23, 2026Lewis Michael ADirectorSell(S)2K$14.31$29K
Nov 24, 2025Lewis Michael ADirectorSell(S)2K$12.00$24K
Oct 3, 2025Lanigan MatthewPresident & CEO, DirectorGift(G)770K$0
Oct 1, 2025Briggs LoriVP & President, Ind. SolutionsSell(S)10K$11.51$116K
Sep 3, 2025Lanigan MatthewPresident & CEO, DirectorOption exercise(M)1K$4.32$4K
Sep 3, 2025Lanigan MatthewPresident & CEO, DirectorSell(S)1K$10.38$10K
Sep 3, 2025Lanigan MatthewPresident & CEO, DirectorOption exercise(M)1K$10.38$10K
Aug 25, 2025Lewis Michael ADirectorSell(S)2K$10.33$21K
Aug 22, 2025Lanigan MatthewPresident & CEO, DirectorSell(S)69K$10.34$712K
Aug 22, 2025Lanigan MatthewPresident & CEO, DirectorOption exercise(M)69K$4.32$298K
Aug 22, 2025Lanigan MatthewPresident & CEO, DirectorOption exercise(M)69K$10.34$712K
Aug 11, 2025Briggs LoriVP & President, Ind. SolutionsSell(S)8K$9.51$76K
Jul 9, 2025Briggs LoriVP & President, Ind. SolutionsSell(S)8K$8.57$69K
Jun 16, 2025Lewis Michael ADirectorSell(S)2K$8.60$17K
Jun 14, 2025White Douglas LVP, CAO & TreasurerGrant(A)730$6.51$5K
Jun 6, 2025Briggs LoriVP & President, Ind. SolutionsSell(S)10K$8.38$81K
Jun 1, 2025Fruge Mary CelesteVP, General CounselOption exercise(M)17K$0
Jun 1, 2025Fruge Mary CelesteVP, General CounselOption exercise(M)17K$0
Jun 1, 2025Piontek GreggSenior Vice President and CFOOption exercise(M)40K$0
Jun 1, 2025Piontek GreggSenior Vice President and CFOTax withholding(F)9K$8.09$72K
Jun 1, 2025Piontek GreggSenior Vice President and CFOTax withholding(F)16K$8.09$129K
Jun 1, 2025Piontek GreggSenior Vice President and CFOOption exercise(M)44K$0
Jun 1, 2025Piontek GreggSenior Vice President and CFOTax withholding(F)17K$8.09$139K
Jun 1, 2025Piontek GreggSenior Vice President and CFOOption exercise(M)40K$0
Jun 1, 2025Piontek GreggSenior Vice President and CFOOption exercise(M)44K$0
Jun 1, 2025Lanigan MatthewPresident & CEO, DirectorTax withholding(F)43K$8.09$346K
Jun 1, 2025Lanigan MatthewPresident & CEO, DirectorTax withholding(F)39K$8.09$319K
Jun 1, 2025Lanigan MatthewPresident & CEO, DirectorTax withholding(F)22K$8.09$180K
Jun 1, 2025Lanigan MatthewPresident & CEO, DirectorOption exercise(M)100K$0
Jun 1, 2025Lanigan MatthewPresident & CEO, DirectorOption exercise(M)109K$0
Jun 1, 2025Lanigan MatthewPresident & CEO, DirectorOption exercise(M)109K$0
Jun 1, 2025Lanigan MatthewPresident & CEO, DirectorOption exercise(M)100K$0
Jun 1, 2025Briggs LoriVP & President, Ind. SolutionsTax withholding(F)10K$8.09$77K
Jun 1, 2025Briggs LoriVP & President, Ind. SolutionsTax withholding(F)5K$8.09$44K
Jun 1, 2025Briggs LoriVP & President, Ind. SolutionsOption exercise(M)24K$0
Jun 1, 2025Briggs LoriVP & President, Ind. SolutionsOption exercise(M)26K$0
Jun 1, 2025Briggs LoriVP & President, Ind. SolutionsTax withholding(F)10K$8.09$84K
Jun 1, 2025Briggs LoriVP & President, Ind. SolutionsOption exercise(M)24K$0
Jun 1, 2025Briggs LoriVP & President, Ind. SolutionsOption exercise(M)26K$0
Jun 1, 2025White Douglas LVP, CAO & TreasurerOption exercise(M)17K$0
Jun 1, 2025White Douglas LVP, CAO & TreasurerOption exercise(M)15K$0
Jun 1, 2025White Douglas LVP, CAO & TreasurerTax withholding(F)6K$8.09$47K
Jun 1, 2025White Douglas LVP, CAO & TreasurerTax withholding(F)7K$8.09$55K
Jun 1, 2025White Douglas LVP, CAO & TreasurerTax withholding(F)3K$8.09$25K
Jun 1, 2025White Douglas LVP, CAO & TreasurerOption exercise(M)17K$0
Jun 1, 2025White Douglas LVP, CAO & TreasurerOption exercise(M)15K$0
May 19, 2025Meer Claudia MichelDirectorBuy(P)4K$7.92$32K
May 15, 2025Cutillo Joseph ADirectorGrant(A)15K$0
May 15, 2025Lewis Michael ADirectorGrant(A)15K$0
May 15, 2025Meer Claudia MichelDirectorGrant(A)15K$0
May 15, 2025Minge John CDirectorGrant(A)15K$0
May 15, 2025Robeson Rose MDirectorGrant(A)19K$0
May 15, 2025Young Donald WinDirectorGrant(A)15K$0

Data Source

Insider transactions sourced from SEC EDGAR Form 4 filings, normalized within minutes of acceptance. "Buy"/"Sell" mark open-market transactions (codes P/S), the tradeable signal. Awards, option exercises and tax-withholding are shown with their raw code. All data is public domain.

Coverage: Form 4 filings indexed 2021-01-042026-07-20. Earlier history is backfilling; this window widens as it deepens.

Programmatic access via the Arkolith API & MCP server (insider.transactions, insider.company).