0001078075 2026-11-05 2026-11-05 0001078075 false 8-K 2026-11-05 NETSCOUT SYSTEMS, INC. DE 000-26251 04-2837575 310 Littleton Road Westford MA 01886 978 614-4000 false false false false Common Stock, par value $0.001 per share NTCT NASDAQ false