NSC Insider Trading

NSC · full profile →Last filing Jun 30, 2026
Mixed · 180d
Open-Market Buys (180d)
$0
0 insiders
Open-Market Sells (180d)
$0
0 insiders
Net Insider Flow
$0
open market, 180d
Reporting Insiders
0
0 P/S transactions
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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 30, 2026Anderson Richard HDirectorGrant(A)251$314.59$79K
Jun 30, 2026Huffard John C JrDirectorGrant(A)168$314.59$53K
May 20, 2026Huffard John C JrDirectorGrant(A)13$311.84$4K
May 20, 2026Huffard John C JrDirectorGrant(A)22$315.38$7K
May 20, 2026Ryerkerk LoriDirectorGrant(A)3$315.38$969
May 20, 2026Lamphere Gilbert HDirectorGrant(A)3$315.38$843
May 20, 2026Jones Christopher TDirectorGrant(A)22$315.38$7K
May 20, 2026Heitkamp Mary KathrynDirectorGrant(A)8$315.38$2K
May 20, 2026Fahmy SamehDirectorGrant(A)8$315.38$2K
May 20, 2026Donadio Marcela EDirectorGrant(A)37$315.38$12K
May 20, 2026DeBiase Francesca A.DirectorGrant(A)9$315.38$3K
May 20, 2026Davidson Phillip SDirectorGrant(A)11$315.38$3K
May 20, 2026Clyburn William Jr.DirectorGrant(A)8$315.38$2K
May 20, 2026Anderson Richard HDirectorGrant(A)7$311.84$2K
May 20, 2026Anderson Richard HDirectorGrant(A)10$315.38$3K
Apr 26, 2026Orr John FEVP & Chief Operating OfficerOption exercise(M)8K$0
Apr 26, 2026Orr John FEVP & Chief Operating OfficerTax withholding(F)3K$320.81$1.0M
Apr 26, 2026Orr John FEVP & Chief Operating OfficerOption exercise(M)8K
Mar 31, 2026Huffard John C JrDirectorGrant(A)185$287.00$53K
Mar 31, 2026Anderson Richard HDirectorGrant(A)233$287.00$67K
Feb 20, 2026Jones Christopher TDirectorGrant(A)22$315.72$7K
Feb 20, 2026Heitkamp Mary KathrynDirectorGrant(A)8$315.72$2K
Feb 20, 2026Fahmy SamehDirectorGrant(A)8$315.72$2K
Feb 20, 2026Donadio Marcela EDirectorGrant(A)37$315.72$12K
Feb 20, 2026DeBiase Francesca A.DirectorGrant(A)9$315.72$3K
Feb 20, 2026Davidson Phillip SDirectorGrant(A)11$315.72$3K
Feb 20, 2026Clyburn William Jr.DirectorGrant(A)8$315.72$2K
Feb 20, 2026Huffard John C JrDirectorGrant(A)12$316.23$4K
Feb 20, 2026Huffard John C JrDirectorGrant(A)22$315.72$7K
Feb 20, 2026Anderson Richard HDirectorGrant(A)5$316.23$2K
Feb 20, 2026Anderson Richard HDirectorGrant(A)10$315.72$3K
Feb 20, 2026Ryerkerk LoriDirectorGrant(A)3$315.72$965
Feb 20, 2026Lamphere Gilbert HDirectorGrant(A)3$315.72$840
Jan 30, 2026Lamphere Gilbert HDirectorOption exercise(M)700$0
Jan 30, 2026Lamphere Gilbert HDirectorGrant(A)622
Jan 30, 2026Lamphere Gilbert HDirectorOption exercise(M)700
Jan 30, 2026Ryerkerk LoriDirectorGrant(A)622
Jan 30, 2026Jones Christopher TDirectorGrant(A)622
Jan 30, 2026Huffard John C JrDirectorGrant(A)622
Jan 30, 2026Heitkamp Mary KathrynDirectorGrant(A)622
Jan 30, 2026Davidson Phillip SDirectorGrant(A)622
Jan 30, 2026Fahmy SamehDirectorGrant(A)622
Jan 30, 2026Donadio Marcela EDirectorGrant(A)622
Jan 30, 2026Clyburn William Jr.DirectorGrant(A)622
Jan 30, 2026DeBiase Francesca A.DirectorGrant(A)622
Jan 30, 2026Anderson Richard HDirectorGrant(A)968
Jan 30, 2026Moore Claiborne LVice President & ControllerOption exercise(M)421$0
Jan 30, 2026Moore Claiborne LVice President & ControllerOption exercise(M)252$0
Jan 30, 2026Moore Claiborne LVice President & ControllerTax withholding(F)69$289.24$20K
Jan 30, 2026Moore Claiborne LVice President & ControllerTax withholding(F)115$289.24$33K
Jan 30, 2026Moore Claiborne LVice President & ControllerGrant(A)823
Jan 30, 2026Moore Claiborne LVice President & ControllerOption exercise(M)252
Jan 30, 2026Moore Claiborne LVice President & ControllerOption exercise(M)421
Jan 30, 2026Orr John FEVP & Chief Operating OfficerOption exercise(M)803$0
Jan 30, 2026Orr John FEVP & Chief Operating OfficerOption exercise(M)702$0
Jan 30, 2026Orr John FEVP & Chief Operating OfficerTax withholding(F)191$289.24$55K
Jan 30, 2026Orr John FEVP & Chief Operating OfficerTax withholding(F)219$289.24$63K
Jan 30, 2026Orr John FEVP & Chief Operating OfficerGrant(A)4K
Jan 30, 2026Orr John FEVP & Chief Operating OfficerOption exercise(M)702
Jan 30, 2026Orr John FEVP & Chief Operating OfficerOption exercise(M)803
Jan 30, 2026George Mark RPresident & CEO, DirectorOption exercise(M)3K$0
Jan 30, 2026George Mark RPresident & CEO, DirectorOption exercise(M)712$0
Jan 30, 2026George Mark RPresident & CEO, DirectorTax withholding(F)279$289.24$81K
Jan 30, 2026George Mark RPresident & CEO, DirectorTax withholding(F)1K$289.24$337K
Jan 30, 2026George Mark RPresident & CEO, DirectorGrant(A)19K
Jan 30, 2026George Mark RPresident & CEO, DirectorOption exercise(M)712
Jan 30, 2026George Mark RPresident & CEO, DirectorOption exercise(M)3K
Jan 30, 2026Zampi Jason AndrewEVP & CFOOption exercise(M)673$0
Jan 30, 2026Zampi Jason AndrewEVP & CFOOption exercise(M)252$0
Jan 30, 2026Zampi Jason AndrewEVP & CFOOption exercise(M)135$0
Jan 30, 2026Zampi Jason AndrewEVP & CFOOption exercise(M)15$0
Jan 30, 2026Zampi Jason AndrewEVP & CFOTax withholding(F)5$289.24$1K
Jan 30, 2026Zampi Jason AndrewEVP & CFOTax withholding(F)37$289.24$11K
Jan 30, 2026Zampi Jason AndrewEVP & CFOTax withholding(F)69$289.24$20K
Jan 30, 2026Zampi Jason AndrewEVP & CFOTax withholding(F)183$289.24$53K
Jan 30, 2026Zampi Jason AndrewEVP & CFOGrant(A)4K
Jan 30, 2026Zampi Jason AndrewEVP & CFOOption exercise(M)15
Jan 30, 2026Zampi Jason AndrewEVP & CFOOption exercise(M)135
Jan 30, 2026Zampi Jason AndrewEVP & CFOOption exercise(M)252
Jan 30, 2026Zampi Jason AndrewEVP & CFOOption exercise(M)673
Jan 30, 2026Elkins Claude EEVP & Chief Commercial OfficerOption exercise(M)777$0
Jan 30, 2026Elkins Claude EEVP & Chief Commercial OfficerOption exercise(M)527$0
Jan 30, 2026Elkins Claude EEVP & Chief Commercial OfficerTax withholding(F)144$289.24$42K
Jan 30, 2026Elkins Claude EEVP & Chief Commercial OfficerTax withholding(F)212$289.24$61K
Jan 30, 2026Elkins Claude EEVP & Chief Commercial OfficerGrant(A)4K
Jan 30, 2026Elkins Claude EEVP & Chief Commercial OfficerOption exercise(M)527
Jan 30, 2026Elkins Claude EEVP & Chief Commercial OfficerOption exercise(M)777
Jan 30, 2026Bhatt AnilEVP & CIDOOption exercise(M)641$0
Jan 30, 2026Bhatt AnilEVP & CIDOOption exercise(M)220$0
Jan 30, 2026Bhatt AnilEVP & CIDOTax withholding(F)60$289.24$17K
Jan 30, 2026Bhatt AnilEVP & CIDOTax withholding(F)175$289.24$51K
Jan 30, 2026Bhatt AnilEVP & CIDOGrant(A)3K
Jan 30, 2026Bhatt AnilEVP & CIDOOption exercise(M)220
Jan 30, 2026Bhatt AnilEVP & CIDOOption exercise(M)641
Jan 27, 2026George Mark RPresident & CEO, DirectorOption exercise(M)775$0
Jan 27, 2026George Mark RPresident & CEO, DirectorTax withholding(F)303$289.91$88K
Jan 27, 2026George Mark RPresident & CEO, DirectorOption exercise(M)775
Jan 27, 2026Moore Claiborne LVice President & ControllerOption exercise(M)254$0
Jan 27, 2026Moore Claiborne LVice President & ControllerTax withholding(F)70$289.91$20K
Jan 27, 2026Moore Claiborne LVice President & ControllerOption exercise(M)254

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 2021-01-042026-07-18. Earlier history is backfilling; this window widens as it deepens.

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