Form4insider filings, from the source

Company · CIK 0001078075 · SIC 7373 — Services-Computer Integrated Systems Design · Nasdaq

NETSCOUT SYSTEMS INC · NTCT

Insider activity reported against this company. All insider holders · On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted
Open-market buys & salesbuys $0 · 0sales $1.1M · 5net −$1.1M
$10k$10k$100k$100k$1M$1MbuyssalesSep 2025Nov 2025Jan 2026Mar 2026May 2026Jul 2026Sep 2026

Reported at this company — common stock

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Sep 11, 2026 SForm 4 →Sep 14, 4:26 pm EDTChristopher PerrettaDirector7,000$38.00$266,00040,866−14.6%10b5-1
Sep 10, 2026 MForm 4 →Sep 11, 4:39 pm EDTVivian M VitaleDirector7,000——52,970—
Sep 10, 2026 MForm 4 →Sep 11, 4:38 pm EDTChristopher PerrettaDirector7,000——47,866—
Sep 10, 2026 MForm 4 →Sep 11, 4:37 pm EDTMarlene PelageDirector7,000——25,085—
Sep 10, 2026 MForm 4 →Sep 11, 4:36 pm EDTShannon NashDirector7,000——25,085—
Sep 10, 2026 MForm 4 →Sep 11, 4:35 pm EDTJoseph G Hadzima Jr.Director7,000——125,185—
Sep 10, 2026 MForm 4 →Sep 11, 4:34 pm EDTAlfred GrassoDirector7,000——42,000—
Sep 10, 2026 MForm 4 →Sep 11, 4:33 pm EDTJohn R EganDirector7,000——112,740—
Sep 10, 2026 MForm 4 →Sep 11, 4:32 pm EDTRobert E DonahueDirector7,000——73,977—
Aug 25, 2026 SForm 4 →Aug 26, 6:04 pm EDTMichael SzabadosDirector4,000$37.70$150,80041,654−8.76%
Aug 25, 2026 FMForm 4 →Aug 26, 6:02 pm EDTAnthony John PiazzaEVP & Chief Financial Officer3,237$37.81$27,86629,517—
Aug 25, 2026 FMForm 4 →Aug 26, 6:01 pm EDTSanjay MunshiChief Operating Officer3,731$37.81$27,6398,998—
Aug 17, 2026 SForm 4 →Aug 19, 4:39 pm EDTSanjay MunshiChief Operating Officer2,269$39.27$89,1046,729−25.2%10b5-1
Aug 11, 2026 SForm 4 →Aug 13, 4:17 pm EDTJohn DowningEVP, Worldwide Sales Ops8,000$38.41$307,280127,809−5.89%10b5-1
Jun 19, 2026 FMForm 4 →Jun 23, 4:20 pm EDTMichael SzabadosDirector7,830$39.67$70,69245,654—
Jun 19, 2026 FMForm 4 →Jun 23, 4:19 pm EDTAnil K SinghalPresident & CEO, Director14,977$39.67$182,839455,034—
Jun 19, 2026 FMForm 4 →Jun 23, 4:17 pm EDTJohn DowningEVP, World-Wide Sales7,489$39.67$91,439135,809—
Jun 15, 2026 FMForm 4 →Jun 17, 4:15 pm EDTMichael SzabadosDirector8,156$41.42$76,87641,388—
Jun 15, 2026 FMForm 4 →Jun 17, 4:15 pm EDTAnil K SinghalPresident & CEO, Director14,995$41.42$173,757449,275—
Jun 15, 2026 FMForm 4 →Jun 17, 4:15 pm EDTSanjay MunshiChief Operating Officer2,985$41.42$24,2318,998—
Jun 15, 2026 FMForm 4 →Jun 17, 4:15 pm EDTJohn DowningEVP, World-Wide Sales6,991$41.42$65,899132,930—
Jun 15, 2026 FMForm 4 →Jun 17, 4:15 pm EDTAnthony John PiazzaEVP & Chief Financial Officer2,589$41.42$24,39627,754—
Jun 8, 2026 SForm 4 →Jun 9, 4:26 pm EDTJohn DowningEVP, World-Wide Sales8,000$40.29$322,320129,121−5.83%10b5-1
Jun 6, 2026 FMForm 4 →Jun 9, 4:33 pm EDTMichael SzabadosDirector8,150$40.59$75,09236,944—
Jun 6, 2026 FMForm 4 →Jun 9, 4:31 pm EDTAnil K SinghalPresident & CEO, Director13,970$40.59$128,670442,670—
Jun 6, 2026 FMForm 4 →Jun 9, 4:29 pm EDTAnthony John PiazzaEVP & Chief Financial Officer3,105$40.59$28,61626,343—
Jun 6, 2026 FMForm 4 →Jun 9, 4:28 pm EDTSanjay MunshiChief Operating Officer3,582$40.59$28,4947,183—
Jun 6, 2026 FMForm 4 →Jun 9, 4:26 pm EDTJohn DowningEVP, World-Wide Sales6,985$40.59$64,335137,121—10b5-1

Reported at this company — derivatives (options, RSUs, warrants)

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Sep 9, 2026 AMForm 4 →Sep 11, 4:39 pm EDTVivian M VitaleDirector14,000——7,000—
Sep 9, 2026 AMForm 4 →Sep 11, 4:38 pm EDTChristopher PerrettaDirector14,000——7,000—
Sep 9, 2026 AMForm 4 →Sep 11, 4:37 pm EDTMarlene PelageDirector14,000——7,000—
Sep 9, 2026 AMForm 4 →Sep 11, 4:36 pm EDTShannon NashDirector14,000——7,000—
Sep 9, 2026 AMForm 4 →Sep 11, 4:35 pm EDTJoseph G Hadzima Jr.Director14,000——7,000—
Sep 9, 2026 AMForm 4 →Sep 11, 4:34 pm EDTAlfred GrassoDirector14,000——7,000—
Sep 9, 2026 AMForm 4 →Sep 11, 4:33 pm EDTJohn R EganDirector14,000——7,000—
Sep 9, 2026 AMForm 4 →Sep 11, 4:32 pm EDTRobert E DonahueDirector14,000——7,000—
Aug 25, 2026 MForm 4 →Aug 26, 6:02 pm EDTAnthony John PiazzaEVP & Chief Financial Officer2,500——38,300—
Aug 25, 2026 MForm 4 →Aug 26, 6:01 pm EDTSanjay MunshiChief Operating Officer3,000——34,410—
Jun 19, 2026 AForm 4 →Jun 25, 4:56 pm EDTEric Todd WattChief Accounting Officer10,000——21,250— late
Jun 19, 2026 MForm 4 →Jun 23, 4:20 pm EDTMichael SzabadosDirector6,048——16,800—
Jun 19, 2026 MForm 4 →Jun 23, 4:19 pm EDTAnil K SinghalPresident & CEO, Director10,368——86,400—
Jun 19, 2026 MForm 4 →Jun 23, 4:17 pm EDTJohn DowningEVP, World-Wide Sales5,184——43,200—
Jun 15, 2026 MForm 4 →Jun 17, 4:15 pm EDTMichael SzabadosDirector6,300——26,775—
Jun 15, 2026 MForm 4 →Jun 17, 4:15 pm EDTAnil K SinghalPresident & CEO, Director10,800——121,500—
Jun 15, 2026 MForm 4 →Jun 17, 4:15 pm EDTSanjay MunshiChief Operating Officer2,400——37,410—
Jun 15, 2026 MForm 4 →Jun 17, 4:15 pm EDTJohn DowningEVP, World-Wide Sales5,400——60,750—
Jun 15, 2026 MForm 4 →Jun 17, 4:15 pm EDTAnthony John PiazzaEVP & Chief Financial Officer2,000——40,800—
Jun 6, 2026 MForm 4 →Jun 9, 4:33 pm EDTMichael SzabadosDirector6,300——33,075—
Jun 6, 2026 MForm 4 →Jun 9, 4:31 pm EDTAnil K SinghalPresident & CEO, Director10,800——132,300—
Jun 6, 2026 MForm 4 →Jun 9, 4:29 pm EDTAnthony John PiazzaEVP & Chief Financial Officer2,400——42,800—
Jun 6, 2026 MForm 4 →Jun 9, 4:28 pm EDTSanjay MunshiChief Operating Officer2,880——39,810—
Jun 6, 2026 MForm 4 →Jun 9, 4:26 pm EDTJohn DowningEVP, World-Wide Sales5,400——66,150—10b5-1