Headquartered in Westford, United States, Netscout Systems Inc belongs to the Technology sector and traces its origins to 1984. Filings by its managers are published through SEC (Form 4). Over the twelve months to 18 October 2026, 45 filings were filed, from 19 insiders.
No insider bought on the market over the period, while 6 insiders filed 14 sales totalling €1.5M. The totals exclude 1 filing filed without an amount. One trade stands out by size: a sale of €266k from Downing John, disclosed on 13 August 2026, or 0.011% of market capitalisation.
For context, the typical company on the same exchange (median of 5,814 companies) published 19 filings over the same period, against 45 filings here. The full history, which starts in 2016, counts no purchases against 63 sales. In its latest annual report filed with the SEC (10-K, fiscal year ended 31 March 2026), the company reported revenue of 859.5 m USD and net income of 95.5 m USD.
Filings reach the SEC (Form 4) feed a median of 2 days after the trade. Section 16 rules allow two business days to file each Form 4. Selling is not necessarily a view on the stock: liquidity needs and diversification are common motives.
In the same sector, recent insider purchases at Core Scientific, Inc./tx and Gitlab Inc. also feature in our signals. Every figure here comes from the filings published by SEC (Form 4) and describes the past, not future prices; it is not investment advice.
+1 other insider
Analysts rate Netscout Systems Inc Buy (bullish), based on 3 analysts. Average price target: US$43.38.
This score ranks the purchase within its own market. A position size is suggested only on the venues of the backtested strategy universe; elsewhere, signals stay on watch. Not investment advice.
Transparent value + quality ranking, distinct from the insider signal.
FY ended March 2026 · cache
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NETSCOUT SYSTEMS, INC. (NASDAQ: NTCT) is a U.S.-based technology company focused on network observability, carrier service assurance, cybersecurity, and DDoS attack protection. The company was incorporated in Delaware in 1984 and is headquartered in Westford, Massachusetts, United States. For investors, NETSCOUT sits in a critical niche of the digital infrastructure stack: it sells the visibility, analytics, and protection capabilities that help organizations understand traffic, maintain service quality, and defend mission-critical networks from disruption.
Over time, NETSCOUT has built its reputation around large-scale deep packet inspection technology, which underpins its ability to capture detailed traffic intelligence and deliver actionable insights across complex network environments. Its business is broadly organized into two main areas. First is Service Assurance, aimed primarily at communications service providers and large enterprises that need to monitor performance, reliability, and customer experience across network domains. Second is Cybersecurity, where NETSCOUT offers solutions for DDoS detection and mitigation, helping organizations defend against volumetric and application-layer attacks. The company also addresses broader enterprise observability use cases spanning data centers, cloud-native environments, Kubernetes, remote offices, and 5G networks.
From a competitive standpoint, NETSCOUT operates in a crowded and fast-evolving market alongside observability software vendors, cybersecurity specialists, and broader infrastructure technology providers. Its differentiation lies in the combination of protocol-level visibility, carrier-grade heritage, and a platform designed to support both performance management and security use cases. That dual use case matters: many customers want a single lens into network health and attack exposure, particularly as traffic volumes, cloud adoption, and distributed applications continue to increase. This positioning gives NETSCOUT a strong presence in telecom, government, financial services, transportation, and other resilience-sensitive verticals.
Geographically, NETSCOUT is headquartered in the United States but operates globally. Its annual report highlights significant locations in Texas, California, Michigan, Colorado, India, and China, indicating a distributed international footprint supporting sales, engineering, and operations. That global reach is important because the company’s solutions are used across service-provider and enterprise networks that extend well beyond its home market.
Recent developments have reinforced the investment case around the company’s core franchises. In May 2026, NETSCOUT reported full fiscal year 2026 results showing revenue growth to $859.5 million, stronger GAAP profitability, and a larger cash balance. Management also cited revenue growth across both Cybersecurity and Service Assurance, alongside continued product innovation and margin expansion. In March 2026, the company published updated DDoS threat intelligence highlighting more than eight million attacks globally in the second half of 2025, underscoring the scale of the threat environment and the relevance of NETSCOUT’s protection offerings. Overall, NETSCOUT appears positioned as a specialized NASDAQ-listed technology company with a defensible niche in observability and cyber defense, benefiting from secular demand for network resilience, visibility, and uptime.
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All recommendationsHeadquarters: Westford, United States · Founded: 1984 · Wikipedia article
Source: Wikidata (CC0).
| Fiscal year end | Revenue | Net income | Diluted EPS | Filing |
|---|---|---|---|---|
| Mar 2026 | 859.5 m USD | 95.5 m USD | 1.30 USD | 10-K |
| Mar 2025 | 822.7 m USD | -366.9 m USD | -5.12 USD | 10-K |
| Mar 2024 | 829.5 m USD | -147.7 m USD | -2.07 USD | 10-K |
| Mar 2023 | 914.5 m USD | 59.6 m USD | 0.82 USD | 10-K |
| Mar 2022 | 855.6 m USD | 35.9 m USD | 0.48 USD | 10-K |
Amounts in USD, as filed (forms 10-K, 20-F or 40-F). Source: SEC EDGAR.