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.
| Date | Insider | Role | Action | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Aug 25, 2026 | Munshi Sanjay | Chief Operating Officer | Option exercise(M) | 3K | — | — |
| Aug 25, 2026 | Munshi Sanjay | Chief Operating Officer | Tax withholding(F) | 731 | $37.81 | $28K |
| Aug 25, 2026 | Munshi Sanjay | Chief Operating Officer | Option exercise(M) | 3K | — | — |
| Aug 25, 2026 | Szabados Michael | Director | Sell(S) | 4K | $37.70 | $151K |
| Aug 25, 2026 | Piazza Anthony John | EVP & Chief Financial Officer | Option exercise(M) | 3K | — | — |
| Aug 25, 2026 | Piazza Anthony John | EVP & Chief Financial Officer | Tax withholding(F) | 737 | $37.81 | $28K |
| Aug 25, 2026 | Piazza Anthony John | EVP & Chief Financial Officer | Option exercise(M) | 3K | — | — |
| Aug 17, 2026 | Munshi Sanjay | Chief Operating Officer | Sell(S) | 2K | $39.27 | $89K |
| Aug 11, 2026 | Downing John | EVP, Worldwide Sales Ops | Sell(S) | 8K | $38.41 | $307K |
| Jun 19, 2026 | Singhal Anil K | President & CEO, Director | Option exercise(M) | 10K | — | — |
| Jun 19, 2026 | Singhal Anil K | President & CEO, Director | Tax withholding(F) | 5K | $39.67 | $183K |
| Jun 19, 2026 | Singhal Anil K | President & CEO, Director | Option exercise(M) | 10K | — | — |
| Jun 19, 2026 | Downing John | EVP, World-Wide Sales | Option exercise(M) | 5K | — | — |
| Jun 19, 2026 | Downing John | EVP, World-Wide Sales | Tax withholding(F) | 2K | $39.67 | $91K |
| Jun 19, 2026 | Downing John | EVP, World-Wide Sales | Option exercise(M) | 5K | — | — |
| Jun 19, 2026 | Szabados Michael | Director | Option exercise(M) | 6K | — | — |
| Jun 19, 2026 | Szabados Michael | Director | Tax withholding(F) | 2K | $39.67 | $71K |
| Jun 19, 2026 | Szabados Michael | Director | Option exercise(M) | 6K | — | — |
| Jun 19, 2026 | Watt Eric Todd | Chief Accounting Officer | Grant(A) | 10K | — | — |
| Jun 15, 2026 | Szabados Michael | Director | Option exercise(M) | 6K | — | — |
| Jun 15, 2026 | Szabados Michael | Director | Tax withholding(F) | 2K | $41.42 | $77K |
| Jun 15, 2026 | Szabados Michael | Director | Option exercise(M) | 6K | — | — |
| Jun 15, 2026 | Singhal Anil K | President & CEO, Director | Option exercise(M) | 11K | — | — |
| Jun 15, 2026 | Singhal Anil K | President & CEO, Director | Tax withholding(F) | 4K | $41.42 | $174K |
| Jun 15, 2026 | Singhal Anil K | President & CEO, Director | Option exercise(M) | 11K | — | — |
| Jun 15, 2026 | Munshi Sanjay | Chief Operating Officer | Option exercise(M) | 2K | — | — |
| Jun 15, 2026 | Munshi Sanjay | Chief Operating Officer | Tax withholding(F) | 585 | $41.42 | $24K |
| Jun 15, 2026 | Munshi Sanjay | Chief Operating Officer | Option exercise(M) | 2K | — | — |
| Jun 15, 2026 | Downing John | EVP, World-Wide Sales | Option exercise(M) | 5K | — | — |
| Jun 15, 2026 | Downing John | EVP, World-Wide Sales | Tax withholding(F) | 2K | $41.42 | $66K |
| Jun 15, 2026 | Downing John | EVP, World-Wide Sales | Option exercise(M) | 5K | — | — |
| Jun 15, 2026 | Piazza Anthony John | EVP & Chief Financial Officer | Option exercise(M) | 2K | — | — |
| Jun 15, 2026 | Piazza Anthony John | EVP & Chief Financial Officer | Tax withholding(F) | 589 | $41.42 | $24K |
| Jun 15, 2026 | Piazza Anthony John | EVP & Chief Financial Officer | Option exercise(M) | 2K | — | — |
| Jun 8, 2026 | Downing John | EVP, World-Wide Sales | Sell(S) | 8K | $40.29 | $322K |
| Jun 6, 2026 | Munshi Sanjay | Chief Operating Officer | Option exercise(M) | 3K | — | — |
| Jun 6, 2026 | Munshi Sanjay | Chief Operating Officer | Tax withholding(F) | 702 | $40.59 | $28K |
| Jun 6, 2026 | Munshi Sanjay | Chief Operating Officer | Option exercise(M) | 3K | — | — |
| Jun 6, 2026 | Downing John | EVP, World-Wide Sales | Option exercise(M) | 5K | — | — |
| Jun 6, 2026 | Downing John | EVP, World-Wide Sales | Tax withholding(F) | 2K | $40.59 | $64K |
| Jun 6, 2026 | Downing John | EVP, World-Wide Sales | Option exercise(M) | 5K | — | — |
| Jun 6, 2026 | Szabados Michael | Director | Option exercise(M) | 6K | — | — |
| Jun 6, 2026 | Singhal Anil K | President & CEO, Director | Option exercise(M) | 11K | — | — |
| Jun 6, 2026 | Singhal Anil K | President & CEO, Director | Tax withholding(F) | 3K | $40.59 | $129K |
| Jun 6, 2026 | Singhal Anil K | President & CEO, Director | Option exercise(M) | 11K | — | — |
| Jun 6, 2026 | Szabados Michael | Director | Tax withholding(F) | 2K | $40.59 | $75K |
| Jun 6, 2026 | Szabados Michael | Director | Option exercise(M) | 6K | — | — |
| Jun 6, 2026 | Piazza Anthony John | EVP & Chief Financial Officer | Option exercise(M) | 2K | — | — |
| Jun 6, 2026 | Piazza Anthony John | EVP & Chief Financial Officer | Tax withholding(F) | 705 | $40.59 | $29K |
| Jun 6, 2026 | Piazza Anthony John | EVP & Chief Financial Officer | Option exercise(M) | 2K | — | — |
| May 28, 2026 | Downing John | EVP, World-Wide Sales | Grant(A) | 22K | — | — |
| May 28, 2026 | Downing John | EVP, World-Wide Sales | Grant(A) | 14K | — | — |
| May 28, 2026 | Munshi Sanjay | Chief Operating Officer | Grant(A) | 15K | — | — |
| May 28, 2026 | Munshi Sanjay | Chief Operating Officer | Grant(A) | 10K | — | — |
| May 28, 2026 | Piazza Anthony John | EVP & Chief Financial Officer | Grant(A) | 18K | — | — |
| May 28, 2026 | Piazza Anthony John | EVP & Chief Financial Officer | Grant(A) | 12K | — | — |
| May 28, 2026 | Singhal Anil K | President & CEO, Director | Grant(A) | 43K | — | — |
| May 28, 2026 | Singhal Anil K | President & CEO, Director | Grant(A) | 29K | — | — |
| May 15, 2026 | Munshi Sanjay | Chief Operating Officer | Sell(S) | 2K | $38.40 | $76K |
| May 15, 2026 | Szabados Michael | Director | Sell(S) | 4K | $38.40 | $154K |
| May 12, 2026 | Grasso Alfred | Director | Sell(S) | 5K | $40.67 | $203K |
| May 6, 2026 | Downing John | EVP, World-Wide Sales | Option exercise(M) | 5K | — | — |
| May 6, 2026 | Downing John | EVP, World-Wide Sales | Tax withholding(F) | 2K | $35.77 | $57K |
| May 6, 2026 | Downing John | EVP, World-Wide Sales | Option exercise(M) | 5K | — | — |
| May 6, 2026 | Singhal Anil K | President & CEO, Director | Option exercise(M) | 11K | — | — |
| May 6, 2026 | Singhal Anil K | President & CEO, Director | Tax withholding(F) | 3K | $35.77 | $114K |
| May 6, 2026 | Singhal Anil K | President & CEO, Director | Option exercise(M) | 11K | — | — |
| May 6, 2026 | Munshi Sanjay | Chief Operating Officer | Option exercise(M) | 4K | — | — |
| May 6, 2026 | Munshi Sanjay | Chief Operating Officer | Tax withholding(F) | 1K | $35.77 | $36K |
| May 6, 2026 | Munshi Sanjay | Chief Operating Officer | Option exercise(M) | 4K | — | — |
| May 6, 2026 | Piazza Anthony John | EVP & Chief Financial Officer | Option exercise(M) | 5K | — | — |
| May 6, 2026 | Piazza Anthony John | EVP & Chief Financial Officer | Tax withholding(F) | 1K | $35.77 | $51K |
| May 6, 2026 | Piazza Anthony John | EVP & Chief Financial Officer | Option exercise(M) | 5K | — | — |
| Feb 20, 2026 | Downing John | EVP, World-Wide Sales | Sell(S) | 3K | $30.00 | $90K |
| Feb 18, 2026 | Downing John | EVP, World-Wide Sales | Sell(S) | 3K | $29.18 | $88K |
| Feb 18, 2026 | Munshi Sanjay | Chief Operating Officer | Sell(S) | 2K | $29.18 | $58K |
| Feb 18, 2026 | Szabados Michael | Director | Sell(S) | 4K | $29.18 | $117K |
| Jan 27, 2026 | Watt Eric Todd | Chief Accounting Officer | Option exercise(M) | 4K | — | — |
| Jan 27, 2026 | Watt Eric Todd | Chief Accounting Officer | Tax withholding(F) | 1K | $27.87 | $36K |
| Jan 27, 2026 | Watt Eric Todd | Chief Accounting Officer | Option exercise(M) | 4K | — | — |
| Dec 12, 2025 | Perretta Christopher | Director | Sell(S) | 10K | $28.01 | $280K |
| Dec 10, 2025 | Singhal Anil K | President & CEO, Director | Gift(G) | 9K | — | — |
| Dec 3, 2025 | Munshi Sanjay | Chief Operating Officer | Sell(S) | 2K | $27.23 | $54K |
| Nov 20, 2025 | Hadzima Joseph G JR | Director | Gift(G) | 10K | — | $0 |
| Nov 19, 2025 | Hadzima Joseph G JR | Director | Sell(S) | 3K | $25.63 | $80K |
| Nov 12, 2025 | Szabados Michael | Director | Sell(S) | 4K | $28.35 | $113K |
| Nov 6, 2025 | Downing John | EVP, World-Wide Sales | Sell(S) | 3K | $30.00 | $90K |
| Nov 3, 2025 | Downing John | EVP, World-Wide Sales | Sell(S) | 3K | $27.80 | $83K |
| Oct 26, 2025 | Singhal Anil K | President & CEO, Director | Tax withholding(F) | 6K | $26.85 | $161K |
| Oct 26, 2025 | Singhal Anil K | President & CEO, Director | Option exercise(M) | 14K | — | — |
| Oct 26, 2025 | Singhal Anil K | President & CEO, Director | Option exercise(M) | 14K | — | — |
| Oct 26, 2025 | Downing John | EVP, World-Wide Sales | Tax withholding(F) | 2K | $26.85 | $53K |
| Oct 26, 2025 | Downing John | EVP, World-Wide Sales | Option exercise(M) | 7K | — | — |
| Oct 26, 2025 | Downing John | EVP, World-Wide Sales | Option exercise(M) | 7K | — | — |
| Oct 26, 2025 | Szabados Michael | Director | Tax withholding(F) | 2K | $26.85 | $62K |
| Oct 26, 2025 | Szabados Michael | Director | Option exercise(M) | 8K | — | — |
| Oct 26, 2025 | Szabados Michael | Director | Option exercise(M) | 8K | — | — |
| Sep 12, 2025 | Grasso Alfred | Director | Option exercise(M) | 7K | — | — |
| Sep 12, 2025 | Grasso Alfred | Director | Option exercise(M) | 7K | — | — |
| Sep 12, 2025 | Perretta Christopher | Director | Option exercise(M) | 7K | — | — |
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 2006-01-02 → 2026-09-03. Earlier history is backfilling; this window widens as it deepens.
Programmatic access via the Arkolith API & MCP server (insider.transactions, insider.company).
Connected pages for NTCT