Based on data from the past 90 days ending December 17, 2025, Netscout Systems's three largest insider shareholders are President & CEO Anil K Singhal (1.87Mn shares), EVP And World Wide Sales John Downing (135.49K shares), Director Joseph G Jr Hadzima (118.19K shares).
| Holder | Position | Shares | Report Date |
|---|---|---|---|
| Anil K Singhal | President & CEO | 1,871,381 | 28 Oct, 2025 |
| John Downing | EVP And World Wide Sales | 135,494 | 07 Nov, 2025 |
| Joseph G Jr Hadzima | 118,185 | 21 Nov, 2025 | |
| John R Egan | 105,740 | 12 Sep, 2025 | |
| Jean A Bua | 71,361 | 14 Feb, 2025 | |
| Robert E Donahue | 66,977 | 12 Sep, 2025 | |
| Vivian M Vitale | 45,970 | 12 Sep, 2025 | |
| Christopher Perretta | 40,866 | 15 Dec, 2025 | |
| Michael Szabados | 40,494 | 14 Nov, 2025 | |
| Alfred Grasso | 40,000 | 12 Sep, 2025 | |
| Susan Louise Spradley | 37,000 | 29 Aug, 2023 | |
| Anthony John Piazza | EVP & Chief Financial Officer | 21,571 | 27 Aug, 2025 |
| Shannon Nash | 18,085 | 12 Sep, 2025 | |
| Marlene Pelage | 18,085 | 12 Sep, 2025 | |
| Sanjay Munshi | Chief Operating Officer | 6,254 | 05 Dec, 2025 |
* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.
| Transaction Date | Insider Name | Security Class | Transaction Type | Shares Traded | Price | Shares Remaining | Ownership | Code |
|---|---|---|---|---|---|---|---|---|
| 12 Dec, 2025 | Christopher Perretta | Common Stock | D | 10,000 | $28.01 | 40,866 | D | S |
| 10 Dec, 2025 | Anil K Singhal | Common Stock | D | 9,278 | - | 1,443,960 | I | G |
| 03 Dec, 2025 | Sanjay Munshi | Common Stock | D | 2,000 | $27.23 | 6,254 | D | S |
| 19 Nov, 2025 | Joseph G Jr Hadzima | Common Stock | D | 3,113 | $25.63 | 128,185 | D | S |
| 20 Nov, 2025 | Joseph G Jr Hadzima | Common Stock | D | 10,000 | $0.00 | 118,185 | D | G |
| 12 Nov, 2025 | Michael Szabados | Common Stock | D | 4,000 | $28.35 | 40,494 | D | S |
| 06 Nov, 2025 | John Downing | Common Stock | D | 3,000 | $30.00 | 135,494 | D | S |
| 03 Nov, 2025 | John Downing | Common Stock | D | 3,000 | $27.80 | 138,494 | D | S |
| 26 Oct, 2025 | Michael Szabados | Common Stock | A | 7,875 | - | 46,814 | D | M |
| 26 Oct, 2025 | Anil K Singhal | Common Stock | A | 13,500 | - | 433,422 | D | M |
| 26 Oct, 2025 | John Downing | Common Stock | A | 6,750 | - | 143,482 | D | M |
| 26 Oct, 2025 | Anil K Singhal | Common Stock | D | 6,001 | $26.85 | 427,421 | D | F |
| 26 Oct, 2025 | Michael Szabados | Common Stock | D | 2,320 | $26.85 | 44,494 | D | F |
| 26 Oct, 2025 | John Downing | Common Stock | D | 1,988 | $26.85 | 141,494 | D | F |
| 12 Sep, 2025 | Alfred Grasso | Common Stock | A | 7,000 | - | 40,000 | D | M |
| 12 Sep, 2025 | Marlene Pelage | Common Stock | A | 7,000 | - | 18,085 | D | M |
| 12 Sep, 2025 | Marlene Pelage | - | - | 18,085 | D | |||
| 12 Sep, 2025 | Robert E Donahue | Common Stock | A | 7,000 | - | 66,977 | D | M |
| 12 Sep, 2025 | Vivian M Vitale | Common Stock | A | 7,000 | - | 45,970 | D | M |
| 12 Sep, 2025 | Shannon Nash | Common Stock | A | 7,000 | - | 18,085 | D | M |