Quick Takeaways
- NTCT - NETSCOUT SYSTEMS INC has 16 insiders with reported activity on this page.
- Net insider value flow over the last year: -$1,878,616.
- Recent transaction rows are available for direct filing-level review.
- Info
- Insider Trading
- Financials
- Holders
Insider Transactions Reported by 16 Insiders of NETSCOUT SYSTEMS INC
- Symbol
- NTCT on Nasdaq
- Location
- Westford, MA
What Changed
- Buy value: ; sell value: $1,878,615.
- Net share flow: -72,613.
Why This Matters
- This page gives a plain-language issuer insider context before you inspect transaction-level evidence.
- Use the filing links below to verify timestamps, codes, and ownership impacts directly from SEC forms.
Official SEC Source
Insider trading overview
Last 12 monthsNet insider flow leans to selling over the last 12 months. Net value: -$1,878,616.
Buys
$0
Shares: 0
Insiders: 0
Sells
$1,878,616
Shares: 72,613
Insiders: 6
Net
-$1,878,616
Shares: -72,613
Insiders: -6
| Window (months) | Buy shares | Sell shares | Buy $ | Sell $ | Net $ |
|---|---|---|---|---|---|
| 0-3 | 0 | 12,000 | $0 | $352,620 | -$352,620 |
| 3-6 | 0 | 25,113 | $0 | $701,146 | -$701,146 |
| 6-9 | 0 | 21,500 | $0 | $500,178 | -$500,178 |
| 9-12 | 0 | 14,000 | $0 | $324,671 | -$324,671 |
NETSCOUT SYSTEMS INC executives and other stock owners filed with the SEC include:
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| Anil K. Singhal | President & CEO, Director | $58,206,294 | Mixed | 10 Dec 2025 | ||
| John Downing | EVP, World-Wide Sales | $6,286,956 | -$485,550 | -7.2% | Mixed | 20 Feb 2026 |
| Jean A. Bua | EVP, Chief Financial Officer and Treasurer | $5,090,249 | Mixed | 13 Feb 2025 | ||
| Joseph G. Hadzima Jr. | Director | $3,320,307 | -$240,366 | -6.8% | Mixed | 19 Nov 2025 |
| Michael Szabados | Director | $3,275,294 | -$492,546 | -13% | Mixed | 18 Feb 2026 |
| John R. Egan | Director | $2,413,545 | Mixed | 10 Sep 2025 | ||
| Robert E. Donahue | Director | $1,577,039 | Mixed | 10 Sep 2025 | ||
| Christopher Perretta | Director | $1,276,332 | -$280,100 | -18% | Mixed | 12 Dec 2025 |
| Vivian M. Vitale | Director | $1,123,708 | Mixed | 10 Sep 2025 | ||
| Alfred Grasso | Director | $994,876 | -$267,233 | -21% | Mixed | 10 Sep 2025 |
| Susan Louise Spradley | Director | $778,325 | Mixed | 25 Aug 2023 | ||
| Shannon Nash | Director | $521,950 | Mixed | 10 Sep 2025 | ||
| Marlene Pelage | Director | $521,950 | Mixed | 10 Sep 2025 | ||
| Anthony John Piazza | EVP & Chief Financial Officer | $507,026 | Mixed | 25 Aug 2025 | ||
| Sanjay Munshi | Chief Operating Officer | $124,131 | -$112,820 | -48% | Filing P/S | 18 Feb 2026 |
| Eric Todd Watt | Chief Accounting Officer | $68,170 | Mixed | 27 Jan 2026 |
Top shareholders of NETSCOUT SYSTEMS INC (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.
Methodology: rows are grouped by holder and ranked by the holder's primary source value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
| Holder | Source | Role / Reporting | Ownership % | Shares | Holdings Value | 12M Net Δ | As of | Details |
|---|---|---|---|---|---|---|---|---|
| BlackRock, Inc. |
13F
13D/G
|
Company |
15%
from 13D/G
|
11,367,712
|
$307,610,301 | — | 31 Dec 2025 | |
| VANGUARD GROUP INC |
13F
|
Company |
13%
|
9,057,337
|
$245,091,539 | — | 31 Dec 2025 | |
| DIMENSIONAL FUND ADVISORS LP |
13F
|
Company |
5.8%
|
4,148,272
|
$112,253,555 | — | 31 Dec 2025 | |
| Legal & General Group Plc |
13F
13D/G
|
Company |
6.3%
from 13D/G
|
3,860,942
|
$104,477,090 | — | 31 Dec 2025 | |
| Legal & General Investment Management Ltd |
13D/G
|
Legal & General Group Plc |
5.7%
|
4,037,807
|
$100,178,799 | $0 | 31 Dec 2023 | |
| STATE STREET CORP |
13F
|
Company |
4.3%
|
3,065,837
|
$82,961,549 | — | 31 Dec 2025 | |
| FIRST TRUST ADVISORS LP |
13F
|
Company |
3.5%
|
2,519,733
|
$68,183,974 | — | 31 Dec 2025 | |
| LSV ASSET MANAGEMENT |
13F
|
Company |
3.2%
|
2,288,036
|
$61,914,000 | — | 31 Dec 2025 | |
| Anil K. Singhal |
3/4/5
|
President & CEO, Director |
—
mixed-class rows
|
2,120,321
mixed-class rows
|
$58,206,294 | — | 10 Dec 2025 | |
| GEODE CAPITAL MANAGEMENT, LLC |
13F
|
Company |
2.5%
|
1,806,528
|
$48,890,484 | — | 31 Dec 2025 | |
| Robeco Institutional Asset Management B.V. |
13F
|
Company |
2.2%
|
1,559,192
|
$42,191,735 | — | 31 Dec 2025 | |
| AQR CAPITAL MANAGEMENT LLC |
13F
|
Company |
1.6%
|
1,139,372
|
$30,831,406 | — | 31 Dec 2025 | |
| Allianz Asset Management GmbH |
13F
|
Company |
1.6%
|
1,120,524
|
$30,321,379 | — | 31 Dec 2025 | |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC |
13F
|
Company |
1.5%
|
1,078,798
|
$29,192,280 | — | 31 Dec 2025 | |
| MORGAN STANLEY |
13F
|
Company |
1.3%
|
913,334
|
$24,714,829 | — | 31 Dec 2025 | |
| BARCLAYS PLC |
13F
|
Company |
1.1%
|
758,630
|
$20,528,527 | — | 31 Dec 2025 | |
| NORTHERN TRUST CORP |
13F
|
Company |
0.99%
|
711,753
|
$19,260,037 | — | 31 Dec 2025 | |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC |
13F
|
Company |
0.9%
|
642,239
|
$17,378,987 | — | 31 Dec 2025 | |
| WELLINGTON MANAGEMENT GROUP LLP |
13F
|
Company |
0.84%
|
598,279
|
$16,189,430 | — | 31 Dec 2025 | |
| PRUDENTIAL FINANCIAL INC |
13F
|
Company |
0.78%
|
559,024
|
$15,127,189 | — | 31 Dec 2025 | |
| AMERIPRISE FINANCIAL INC |
13F
|
Company |
0.78%
|
557,348
|
$15,081,837 | — | 31 Dec 2025 | |
| LAZARD ASSET MANAGEMENT LLC |
13F
|
Company |
0.75%
|
538,257
|
$14,565,234 | — | 31 Dec 2025 | |
| Connor, Clark & Lunn Investment Management Ltd. |
13F
|
Company |
0.74%
|
531,618
|
$14,385,583 | — | 31 Dec 2025 | |
| Impax Asset Management Group plc |
13F
|
Company |
0.73%
|
522,000
|
$14,125,320 | — | 31 Dec 2025 | |
| ACADIAN ASSET MANAGEMENT LLC |
13F
|
Company |
0.71%
|
510,102
|
$13,794,000 | — | 31 Dec 2025 | |
| Nuveen, LLC |
13F
|
Company |
0.66%
|
472,181
|
$12,777,218 | — | 31 Dec 2025 | |
| GOLDMAN SACHS GROUP INC |
13F
|
Company |
0.65%
|
465,526
|
$12,597,134 | — | 31 Dec 2025 | |
| Bank of New York Mellon Corp |
13F
|
Company |
0.64%
|
460,003
|
$12,447,682 | — | 31 Dec 2025 | |
| SG Americas Securities, LLC |
13F
|
Company |
0.63%
|
449,737
|
$12,170,000 | — | 31 Dec 2025 | |
| Invesco Ltd. |
13F
|
Company |
0.6%
|
432,109
|
$11,692,870 | — | 31 Dec 2025 | |
| VICTORY CAPITAL MANAGEMENT INC |
13F
|
Company |
0.6%
|
426,880
|
$11,551,373 | — | 31 Dec 2025 | |
| DEUTSCHE BANK AG\ |
13F
|
Company |
0.56%
|
404,501
|
$10,945,797 | — | 31 Dec 2025 | |
| JUPITER ASSET MANAGEMENT LTD |
13F
|
Company |
0.56%
|
400,063
|
$10,825,705 | — | 31 Dec 2025 | |
| Defiance ETFs, LLC |
13F
|
Company |
0.54%
|
390,208
|
$10,672,189 | — | 31 Dec 2025 | |
| MARSHALL WACE, LLP |
13F
|
Company |
0.55%
|
394,172
|
$10,666,296 | — | 31 Dec 2025 | |
| Penserra Capital Management LLC |
13F
|
Company |
0.54%
|
390,208
|
$10,559,000 | — | 31 Dec 2025 | |
| Pacer Advisors, Inc. |
13F
|
Company |
0.53%
|
379,036
|
$10,256,714 | — | 31 Dec 2025 | |
| Qube Research & Technologies Ltd |
13F
|
Company |
0.5%
|
357,401
|
$9,671,271 | — | 31 Dec 2025 | |
| Skandinaviska Enskilda Banken AB (publ) |
13F
|
Company |
0.5%
|
354,843
|
$9,602,052 | — | 31 Dec 2025 | |
| FMR LLC |
13F
|
Company |
0.47%
|
337,913
|
$9,143,937 | — | 31 Dec 2025 | |
| PRINCIPAL FINANCIAL GROUP INC |
13F
|
Company |
0.46%
|
326,932
|
$8,846,780 | — | 31 Dec 2025 | |
| Empowered Funds, LLC |
13F
|
Company |
0.45%
|
319,639
|
$8,649,431 | — | 31 Dec 2025 | |
| JPMORGAN CHASE & CO |
13F
|
Company |
0.43%
|
310,620
|
$8,405,377 | — | 31 Dec 2025 | |
| PUBLIC SECTOR PENSION INVESTMENT BOARD |
13F
|
Company |
0.42%
|
300,940
|
$8,143,436 | — | 31 Dec 2025 | |
| SEI INVESTMENTS CO |
13F
|
Company |
0.39%
|
282,289
|
$7,638,604 | — | 31 Dec 2025 | |
| Hillsdale Investment Management Inc. |
13F
|
Company |
0.39%
|
280,795
|
$7,598,312 | — | 31 Dec 2025 | |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP |
13F
|
Company |
0.36%
|
255,101
|
$6,903,033 | — | 31 Dec 2025 | |
| CSM Advisors, LLC |
13F
|
Company |
0.34%
|
242,827
|
$6,573,000 | — | 31 Dec 2025 | |
| John Downing |
3/4/5
|
EVP, World-Wide Sales |
—
mixed-class rows
|
228,044
mixed-class rows
|
$6,286,956 | -$485,550 | 20 Feb 2026 | |
| First Eagle Investment Management, LLC |
13F
|
Company |
0.3%
|
211,502
|
$5,723,244 | — | 31 Dec 2025 |
Recent Insider Transactions by Companies or Individuals for NETSCOUT SYSTEMS INC
Showing up to 300 most recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | Value $ | * Price $ | Shares | Shares Owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| John Downing | NTCT | Common Stock | Sale | -2.26% | $90,000 | $30.00 | -3,000 | 129,494 | 20 Feb 2026 | Direct |
| Michael Szabados | NTCT | Common Stock | Sale | -9.88% | $116,720 | $29.18 | -4,000 | 36,494 | 18 Feb 2026 | Direct |
| Sanjay Munshi | NTCT | Common Stock | Sale | -32% | $58,360 | $29.18 | -2,000 | 4,254 | 18 Feb 2026 | Direct |
| John Downing | NTCT | Common Stock | Sale | -2.21% | $87,540 | $29.18 | -3,000 | 132,494 | 18 Feb 2026 | Direct |
| Eric Todd Watt | NTCT | Common Stock | Tax liability | -34.8% | -1,304 | 2,446 | 27 Jan 2026 | Direct | ||
| Eric Todd Watt | NTCT | Common Stock | Options Exercise | 3,750 | 3,750 | 27 Jan 2026 | Direct | |||
| Eric Todd Watt | NTCT | Restricted Stock Unit | Options Exercise | -25% | -3,750 | 11,250 | 27 Jan 2026 | Direct | ||
| Christopher Perretta | NTCT | Common Stock | Sale | -19.7% | $280,100 | $28.01 | -10,000 | 40,866 | 12 Dec 2025 | Direct |
| Anil K. Singhal | NTCT | Common Stock | Gift | -0.64% | -9,278 | 1,443,960 | 10 Dec 2025 | See footnote | ||
| Sanjay Munshi | NTCT | Common Stock | Sale | -24.2% | $54,460 | $27.23 | -2,000 | 6,254 | 03 Dec 2025 | Direct |
| Joseph G. Hadzima Jr. | NTCT | Common Stock | Gift | -7.8% | -10,000 | 118,185 | 20 Nov 2025 | Direct | ||
| Joseph G. Hadzima Jr. | NTCT | Common Stock | Sale | -2.37% | $79,786 | $25.63 | -3,113 | 128,185 | 19 Nov 2025 | Direct |
| Michael Szabados | NTCT | Common Stock | Sale | -8.99% | $113,400 | $28.35 | -4,000 | 40,494 | 12 Nov 2025 | Direct |
| John Downing | NTCT | Common Stock | Sale | -2.17% | $90,000 | $30.00 | -3,000 | 135,494 | 06 Nov 2025 | Direct |
| John Downing | NTCT | Common Stock | Sale | -2.12% | $83,400 | $27.80 | -3,000 | 138,494 | 03 Nov 2025 | Direct |
| Michael Szabados | NTCT | Common Stock | Tax liability | -4.96% | -2,320 | 44,494 | 26 Oct 2025 | Direct | ||
| Michael Szabados | NTCT | Common Stock | Options Exercise | 20.2% | 7,875 | 46,814 | 26 Oct 2025 | Direct | ||
| Michael Szabados | NTCT | Restricted Stock Unit | Options Exercise | -16.7% | -7,875 | 39,375 | 26 Oct 2025 | Direct | ||
| Anil K. Singhal | NTCT | Common Stock | Tax liability | -1.38% | -6,001 | 427,421 | 26 Oct 2025 | Direct | ||
| Anil K. Singhal | NTCT | Common Stock | Options Exercise | 3.21% | 13,500 | 433,422 | 26 Oct 2025 | Direct | ||
| Anil K. Singhal | NTCT | Restricted Stock Unit | Options Exercise | -10.9% | -13,500 | 110,700 | 26 Oct 2025 | Direct | ||
| John Downing | NTCT | Common Stock | Tax liability | -1.39% | -1,988 | 141,494 | 26 Oct 2025 | Direct | ||
| John Downing | NTCT | Common Stock | Options Exercise | 4.94% | 6,750 | 143,482 | 26 Oct 2025 | Direct | ||
| John Downing | NTCT | Restricted Stock Unit | Options Exercise | -10.9% | -6,750 | 55,350 | 26 Oct 2025 | Direct | ||
| Joseph G. Hadzima Jr. | NTCT | Common Stock | Options Exercise | 5.63% | 7,000 | 131,298 | 12 Sep 2025 | Direct | ||
| Joseph G. Hadzima Jr. | NTCT | Restricted Stock Unit | Options Exercise | -50% | -7,000 | 7,000 | 12 Sep 2025 | Direct | ||
| Shannon Nash | NTCT | Common Stock | Options Exercise | 63.2% | 7,000 | 18,085 | 12 Sep 2025 | Direct | ||
| Shannon Nash | NTCT | Restricted Stock Unit | Options Exercise | -50% | -7,000 | 7,000 | 12 Sep 2025 | Direct | ||
| Marlene Pelage | NTCT | Common Stock | Options Exercise | 63.2% | 7,000 | 18,085 | 12 Sep 2025 | Direct | ||
| Marlene Pelage | NTCT | Restricted Stock Unit | Options Exercise | -50% | -7,000 | 7,000 | 12 Sep 2025 | Direct | ||
| Vivian M. Vitale | NTCT | Common Stock | Options Exercise | 18% | 7,000 | 45,970 | 12 Sep 2025 | Direct | ||
| Vivian M. Vitale | NTCT | Restricted Stock Unit | Options Exercise | -50% | -7,000 | 7,000 | 12 Sep 2025 | Direct | ||
| John R. Egan | NTCT | Common Stock | Options Exercise | 7.09% | 7,000 | 105,740 | 12 Sep 2025 | Direct | ||
| John R. Egan | NTCT | Restricted Stock Unit | Options Exercise | -50% | -7,000 | 7,000 | 12 Sep 2025 | Direct | ||
| Robert E. Donahue | NTCT | Common Stock | Options Exercise | 11.7% | 7,000 | 66,977 | 12 Sep 2025 | Direct | ||
| Robert E. Donahue | NTCT | Restricted Stock Unit | Options Exercise | -50% | -7,000 | 7,000 | 12 Sep 2025 | Direct | ||
| Christopher Perretta | NTCT | Common Stock | Options Exercise | 16% | 7,000 | 50,866 | 12 Sep 2025 | Direct | ||
| Christopher Perretta | NTCT | Restricted Stock Unit | Options Exercise | -50% | -7,000 | 7,000 | 12 Sep 2025 | Direct | ||
| Alfred Grasso | NTCT | Common Stock | Options Exercise | 21.2% | 7,000 | 40,000 | 12 Sep 2025 | Direct | ||
| Alfred Grasso | NTCT | Restricted Stock Unit | Options Exercise | -50% | -7,000 | 7,000 | 12 Sep 2025 | Direct | ||
| Joseph G. Hadzima Jr. | NTCT | Restricted Stock Unit | Award | 100% | 7,000 | 14,000 | 10 Sep 2025 | Direct | ||
| Shannon Nash | NTCT | Restricted Stock Unit | Award | 100% | 7,000 | 14,000 | 10 Sep 2025 | Direct | ||
| Marlene Pelage | NTCT | Restricted Stock Unit | Award | 100% | 7,000 | 14,000 | 10 Sep 2025 | Direct | ||
| Vivian M. Vitale | NTCT | Restricted Stock Unit | Award | 100% | 7,000 | 14,000 | 10 Sep 2025 | Direct | ||
| John R. Egan | NTCT | Restricted Stock Unit | Award | 100% | 7,000 | 14,000 | 10 Sep 2025 | Direct | ||
| Robert E. Donahue | NTCT | Restricted Stock Unit | Award | 100% | 7,000 | 14,000 | 10 Sep 2025 | Direct | ||
| Christopher Perretta | NTCT | Restricted Stock Unit | Award | 100% | 7,000 | 14,000 | 10 Sep 2025 | Direct | ||
| Alfred Grasso | NTCT | Restricted Stock Unit | Award | 100% | 7,000 | 14,000 | 10 Sep 2025 | Direct | ||
| Alfred Grasso | NTCT | Common Stock | Sale | -14.6% | $137,939 | $24.44 | -5,644 | 33,000 | 27 Aug 2025 | Direct |
| Alfred Grasso | NTCT | Common Stock | Sale | -12.2% | $129,294 | $24.14 | -5,356 | 38,644 | 26 Aug 2025 | Direct |
* An asterisk sign (*) next to the price indicates that the price is likely invalid.