Updated Jul 16, 2026 · Last SEC filing 2026-06-25
NETSCOUT SYSTEMS INC (NTCT) has filed 25 SEC Form 4 insider transactions in the last 90 days, with the most recent on 2026-06-25. 2 Form 8-K material event filings were reported by NTCT in the last 90 days. 7 Form 144 notices of proposed sale were filed for NTCT stock. InsiderAlpha tracks every NTCT SEC filing — Form 4, Form 144, and 8-K — in real time, including Rule 10b5-1 plan detection.
| SEC CIK | 0001078075 |
|---|
| Form 4 filings (90d) | 25 |
|---|---|
| Form 8-K filings (90d) | 2 |
| Form 144 notices (90d) | 7 |
| Latest Form 4 filing | 2026-06-25 |
| Date | Insider | Role | Transaction | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| DOWNING JOHN | EVP, World-Wide Sales | F — Tax withholding / forfeiture | 2.3K | $39.67 | $91K | SEC | |
| SZABADOS MICHAEL | Director | M — Option exercise | 6.0K | — | — | SEC | |
| SINGHAL ANIL K | President & CEO | M — Option exercise | 10.4K | — | — | SEC | |
| DOWNING JOHN | EVP, World-Wide Sales | M — Option exercise | 5.2K | — | — | SEC | |
| SINGHAL ANIL K | President & CEO | F — Tax withholding / forfeiture | 4.6K | $39.67 | $183K | SEC | |
| SZABADOS MICHAEL | Director | F — Tax withholding / forfeiture | 1.8K | $39.67 | $71K | SEC | |
| Piazza Anthony John | EVP & Chief Financial Officer | F — Tax withholding / forfeiture | 589 | $41.42 | $24K | SEC | |
| DOWNING JOHN | EVP, World-Wide Sales | F — Tax withholding / forfeiture | 1.6K | $41.42 | $66K | SEC | |
| Piazza Anthony John | EVP & Chief Financial Officer | M — Option exercise | 2.0K | — | — | SEC | |
| Munshi Sanjay | Chief Operating Officer | M — Option exercise | 2.4K | — | — | SEC | |
| SZABADOS MICHAEL | Insider | F — Tax withholding / forfeiture | 1.9K | $41.42 | $77K | SEC | |
| Munshi Sanjay | Chief Operating Officer | F — Tax withholding / forfeiture | 585 | $41.42 | $24K | SEC | |
| SINGHAL ANIL K | President & CEO | M — Option exercise | 10.8K | — | — | SEC | |
| SZABADOS MICHAEL | Insider | M — Option exercise | 6.3K | — | — | SEC | |
| SINGHAL ANIL K | President & CEO | F — Tax withholding / forfeiture | 4.2K | $41.42 | $174K | SEC |
All transactions sourced from SEC EDGAR Form 4 filings for NETSCOUT SYSTEMS INC (NTCT). Updated in real time as new filings are submitted to the SEC.
| Insider | Form 4 filings | Total transaction value |
|---|---|---|
| DOWNING JOHN | 15 | $601K |
| SINGHAL ANIL K | 14 | $599K |
| Munshi Sanjay | 12 | $165K |
| Piazza Anthony John | 11 | $104K |
| SZABADOS MICHAEL | 10 | $376K |
Form 144 must be filed before insiders sell restricted or control stock above SEC thresholds. A cluster of Form 144 notices often precedes a wave of insider distribution.
SEC Form 4 transactions are reported with a one-letter code indicating the type of transaction. Common codes you'll see in NTCT insider filings:
| P | Open-market purchase by the insider |
|---|---|
| S | Open-market sale by the insider |
| A | Grant, award, or other acquisition from the issuer |
| M | Exercise or conversion of derivative security (e.g. options) |
| F | Payment of exercise price or tax liability via share withholding |
| G | Bona-fide gift of securities |
| D | Disposition to the issuer (e.g. share buyback participation) |
| J | Other acquisition or disposition |
| X | Exercise of in-the-money or at-the-money derivative security |
| C | Conversion of derivative security |
| V | Transaction voluntarily reported earlier than required |
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