Form 4 Filing for Vivian M. Vitale

Vivian M. Vitale, a director at NETSCOUT SYSTEMS INC, acquired 7,000 shares of Common Stock on September 10, 2026, upon the vesting of restricted stock units. The acquisition was reported on a Form 4 filing. On September 9, 2026, Vitale was granted 7,000 Restricted Stock Units, which vest under certain conditions related to meeting attendance and continuous service. On September 10, 2026, 7,000 Restricted Stock Units were disposed of, with the shares of Common Stock acquired upon vesting. Following these transactions, Vitale directly owns 52,970 shares of Common Stock.