0001078075 2026-09-09 2026-09-09 false 0001078075 8-K 2026-09-09 NetScout Systems, Inc. DE 000-26251 04-2837575 310 Littleton Road Westford MA 01886 978 614-4000 false false false false Common Stock, $0.001 par value per share NTCT NASDAQ false