NSSC Insider Trading

Net Selling · 180d
Open-Market Buys (180d)
$0
0 insiders
Open-Market Sells (180d)
$14.6M
1 insiders
Net Insider Flow
-$14.6M
open market, 180d
Reporting Insiders
1
3 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
May 18, 2026Soloway Donna AnneDirectorOption exercise(M)4K$26.94$108K
May 18, 2026Soloway Donna AnneDirectorOption exercise(M)10K$22.93$229K
May 18, 2026Soloway Donna AnneDirectorOption exercise(M)8K$11.68$88K
May 18, 2026Soloway Donna AnneDirectorOption exercise(M)8K$15.27$122K
May 18, 2026Soloway Donna AnneDirectorOption exercise(M)8K$8.10$65K
May 18, 2026Soloway Donna AnneDirectorOption exercise(M)4K$4.35$16K
May 18, 2026Soloway Donna AnneDirectorOption exercise(M)4K$26.94$108K
May 18, 2026Soloway Donna AnneDirectorOption exercise(M)10K$22.93$229K
May 18, 2026Soloway Donna AnneDirectorOption exercise(M)8K$11.68$88K
May 18, 2026Soloway Donna AnneDirectorOption exercise(M)8K$15.27$122K
May 18, 2026Soloway Donna AnneDirectorOption exercise(M)8K$8.10$65K
May 18, 2026Soloway Donna AnneDirectorOption exercise(M)4K$4.35$16K
Mar 17, 2026Spinelli Stephen MSenior Vice President of SalesTax withholding(F)3K$43.59$140K
Mar 17, 2026Spinelli Stephen MSenior Vice President of SalesOption exercise(M)14K$10.02$140K
Mar 17, 2026Spinelli Stephen MSenior Vice President of SalesOption exercise(M)14K$10.02$140K
Mar 3, 2026Soloway RichardCEO, Chairman of Board, Secy, DirectorSell(S)55K$43.22$2.4M
Mar 2, 2026Soloway RichardCEO, Chairman of Board, Secy, DirectorSell(S)130K$44.99$5.8M
Feb 26, 2026Carrieri MichaelExecutive VP of EngineeringOption exercise(M)10K$22.50$225K
Feb 26, 2026Carrieri MichaelExecutive VP of EngineeringTax withholding(F)7K$47.23$314K
Feb 26, 2026Carrieri MichaelExecutive VP of EngineeringOption exercise(M)10K$22.50$225K
Feb 19, 2026Buchel Kevin SPresident & COO, DirectorOption exercise(M)50K$22.50$1.1M
Feb 19, 2026Buchel Kevin SPresident & COO, DirectorTax withholding(F)34K$44.98$1.5M
Feb 19, 2026Buchel Kevin SPresident & COO, DirectorOption exercise(M)50K$22.50$1.1M
Feb 10, 2026Soloway RichardCEO, Chairman of Board, Secy, DirectorTax withholding(F)75K$42.63$3.2M
Feb 10, 2026Soloway RichardCEO, Chairman of Board, Secy, DirectorOption exercise(M)8K$26.94$216K
Feb 10, 2026Soloway RichardCEO, Chairman of Board, Secy, DirectorTax withholding(F)7K$42.63$306K
Feb 10, 2026Soloway RichardCEO, Chairman of Board, Secy, DirectorOption exercise(M)100K$22.50$2.3M
Feb 10, 2026Soloway RichardCEO, Chairman of Board, Secy, DirectorOption exercise(M)100K$22.50$2.3M
Feb 10, 2026Soloway RichardCEO, Chairman of Board, Secy, DirectorOption exercise(M)8K$26.94$216K
Feb 5, 2026Soloway RichardCEO, Chairman of Board, Secy, DirectorSell(S)150K$42.74$6.4M
Nov 17, 2025Spinelli Stephen MSenior Vice president of SalesSell(S)19K$40.25$765K
Sep 17, 2025Carrieri MichaelExecutive VP of EngineeringTax withholding(F)1K$42.40$54K
Sep 17, 2025Carrieri MichaelExecutive VP of EngineeringTax withholding(F)5K$42.40$225K
Sep 17, 2025Carrieri MichaelExecutive VP of EngineeringOption exercise(M)10K$22.50$225K
Sep 17, 2025Carrieri MichaelExecutive VP of EngineeringOption exercise(M)2K$26.94$54K
Sep 17, 2025Carrieri MichaelExecutive VP of EngineeringOption exercise(M)10K$22.50$225K
Sep 17, 2025Carrieri MichaelExecutive VP of EngineeringOption exercise(M)2K$26.94$54K
Jun 6, 2025Spinelli Stephen MSenior Vice President of SalesSell(S)5K$29.16$146K
Sep 12, 2024Beeber Paul StephenDirectorTax withholding(F)2K$37.58$81K
Sep 12, 2024Beeber Paul StephenDirectorOption exercise(M)3K$26.94$81K
Sep 12, 2024Beeber Paul StephenDirectorSell(S)708$37.12$26K
Sep 12, 2024Beeber Paul StephenDirectorOption exercise(M)3K$0
Aug 29, 2024Carrieri MichaelExecutive VP EngineeringOption exercise(M)2K$26.94$54K
Aug 29, 2024Carrieri MichaelExecutive VP EngineeringOption exercise(M)2K$26.94$54K
Jun 18, 2024Spinelli Stephen MSenior Vice President of SalesSell(S)3K$52.14$134K
Jun 18, 2024Spinelli Stephen MSenior Vice President of SalesSell(S)435$52.10$23K
Jun 18, 2024Beeber Paul StephenDirectorSell(S)860$52.04$45K
May 8, 2024Soloway RichardCEO, Chairman, Secy, DirectorSell(S)250K$44.20$11.1M
May 8, 2024Beeber Paul StephenDirectorTax withholding(F)394$44.45$18K
May 8, 2024Beeber Paul StephenDirectorTax withholding(F)774$44.45$34K
May 8, 2024Beeber Paul StephenDirectorOption exercise(M)2K$22.93$34K
May 8, 2024Beeber Paul StephenDirectorOption exercise(M)2K$11.68$18K
May 8, 2024Beeber Paul StephenDirectorOption exercise(M)2K$0
May 8, 2024Beeber Paul StephenDirectorOption exercise(M)2K$0
May 2, 2024Buchel Kevin SPresident, COO & CFO, DirectorGrant(A)50K$41.75$2.1M
May 2, 2024Carrieri MichaelEVP Engineering & CTOGrant(A)50K$41.75$2.1M
Apr 8, 2024Soloway RichardPres, CEO, Chairman, Secy, DirectorSell(S)50K$40.75$2.0M
Mar 12, 2024Buchel Kevin SExecutive Vice President, DirectorSell(S)50K$40.36$2.0M
Mar 8, 2024Soloway RichardPres, CEO, Chairman, Secy, Director, 10% OwnerSell(S)2.0M$40.75$81.5M
Feb 14, 2024Soloway RichardPresident, CEO and Secretary, Director, 10% OwnerSell(S)28K$45.12$1.3M
Feb 12, 2024Buchel Kevin SExecutive Vice President, DirectorOption exercise(M)4K$11.68$47K
Feb 12, 2024Buchel Kevin SExecutive Vice President, DirectorTax withholding(F)1K$46.11$47K
Feb 12, 2024Buchel Kevin SExecutive Vice President, DirectorSell(S)10K$44.80$448K
Feb 12, 2024Buchel Kevin SExecutive Vice President, DirectorOption exercise(M)4K$0
Feb 9, 2024Buchel Kevin SExecutive Vice President, DirectorTax withholding(F)1K$45.00$54K
Feb 9, 2024Buchel Kevin SExecutive Vice President, DirectorOption exercise(M)2K$22.50$54K
Feb 9, 2024Buchel Kevin SExecutive Vice President, DirectorTax withholding(F)543$45.00$24K
Feb 9, 2024Buchel Kevin SExecutive Vice President, DirectorOption exercise(M)2K$15.27$24K
Feb 9, 2024Buchel Kevin SExecutive Vice President, DirectorOption exercise(M)2K$0
Feb 9, 2024Buchel Kevin SExecutive Vice President, DirectorOption exercise(M)2K$0
Feb 9, 2024Soloway RichardPresident, CEO and Secretary, Director, 10% OwnerOption exercise(M)16K$8.08$129K
Feb 9, 2024Soloway RichardPresident, CEO and Secretary, Director, 10% OwnerOption exercise(M)16K$16.80$269K
Feb 9, 2024Soloway RichardPresident, CEO and Secretary, Director, 10% OwnerOption exercise(M)6K$4.81$29K
Feb 9, 2024Soloway RichardPresident, CEO and Secretary, Director, 10% OwnerOption exercise(M)16K$0
Feb 9, 2024Soloway RichardPresident, CEO and Secretary, Director, 10% OwnerOption exercise(M)6K$0
Feb 9, 2024Soloway RichardPresident, CEO and Secretary, Director, 10% OwnerOption exercise(M)16K$0
Feb 9, 2024Carrieri MichaelSenior Vice PresidentTax withholding(F)2K$45.00$108K
Feb 9, 2024Carrieri MichaelSenior Vice PresidentOption exercise(M)4K$26.94$108K
Feb 9, 2024Carrieri MichaelSenior Vice PresidentSell(S)5K$45.92$239K
Feb 9, 2024Carrieri MichaelSenior Vice PresidentOption exercise(M)4K$26.94$108K
Feb 9, 2024Spinelli Stephen MSenior Vice President of SalesOption exercise(M)36K$10.02$360K
Feb 9, 2024Spinelli Stephen MSenior Vice President of SalesTax withholding(F)8K$45.00$360K
Feb 9, 2024Spinelli Stephen MSenior Vice President of SalesOption exercise(M)36K$0
Feb 7, 2024Beeber Paul StephenDirectorOption exercise(M)2K$22.93$34K
Feb 7, 2024Beeber Paul StephenDirectorTax withholding(F)792$43.43$34K
Feb 7, 2024Beeber Paul StephenDirectorOption exercise(M)2K$0
Dec 14, 2023Carrieri MichaelSenior Vice PresidentTax withholding(F)20K$34.00$675K
Dec 14, 2023Carrieri MichaelSenior Vice PresidentOption exercise(M)30K$22.50$675K
Dec 14, 2023Carrieri MichaelSenior Vice PresidentOption exercise(M)2K$15.27$24K
Dec 14, 2023Carrieri MichaelSenior Vice PresidentTax withholding(F)719$34.00$24K
Dec 14, 2023Carrieri MichaelSenior Vice PresidentOption exercise(M)2K$15.27$24K
Dec 14, 2023Carrieri MichaelSenior Vice PresidentOption exercise(M)30K$22.50$675K
Dec 13, 2023Beeber Paul StephenDirectorTax withholding(F)740$33.03$24K
Dec 13, 2023Beeber Paul StephenDirectorOption exercise(M)2K$15.27$24K
Dec 13, 2023Beeber Paul StephenDirectorOption exercise(M)2K$0
Dec 7, 2023Beeber Paul StephenDirectorSell(S)1K$31.65$42K
Nov 14, 2023Beeber Paul StephenDirectorSell(S)2K$26.15$57K
May 17, 2023Beeber Paul StephenDirectorOption exercise(M)1K$22.93$23K
May 17, 2023Beeber Paul StephenDirectorTax withholding(F)512$34.20$18K
May 17, 2023Beeber Paul StephenDirectorOption exercise(M)2K$11.68$18K

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 2021-03-292026-07-14. Earlier history is backfilling; this window widens as it deepens.

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