Insider at

04

Insider transactions

05
0 buys (P) 0 sells (S) Net: $0 + 100 non-open-market transactions below last 12 months, based on the transactions shown below

Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted

No open-market trades on record; showing all filings.

DateTickerCodeSharesPriceValue Owned afterΔ ownA/Dvs now
June 19, 2026 NTCT M 10,368 · · 86,400 Direct -10.71% Disposed (price as of 2026-10-02)
June 19, 2026 NTCT F 4,609 $39.67 $182,839 455,034 Direct -1.00% Disposed 3.3% (price as of 2026-10-02)
June 19, 2026 NTCT M 10,368 · · 459,643 Direct +2.31% Acquired (price as of 2026-10-02)
June 15, 2026 NTCT M 10,800 · · 121,500 Direct -8.16% Disposed (price as of 2026-10-02)
June 15, 2026 NTCT F 4,195 $41.42 $173,757 449,275 Direct -0.93% Disposed -1.1% (price as of 2026-10-02)
June 15, 2026 NTCT M 10,800 · · 453,470 Direct +2.44% Acquired (price as of 2026-10-02)
June 6, 2026 NTCT M 10,800 · · 132,300 Direct -7.55% Disposed (price as of 2026-10-02)
June 6, 2026 NTCT F 3,170 $40.59 $128,670 442,670 Direct -0.71% Disposed 0.9% (price as of 2026-10-02)
June 6, 2026 NTCT M 10,800 · · 445,840 Direct +2.48% Acquired (price as of 2026-10-02)
May 28, 2026 NTCT A 28,800 · · 115,200 Direct +33.33% Acquired (price as of 2026-10-02)
May 28, 2026 NTCT A 43,200 · · 143,100 Direct +43.24% Acquired (price as of 2026-10-02)
May 6, 2026 NTCT M 10,800 · · 99,900 Direct -9.76% Disposed (price as of 2026-10-02)
May 6, 2026 NTCT F 3,181 $35.77 $113,784 435,040 Direct -0.73% Disposed 14.5% (price as of 2026-10-02)
May 6, 2026 NTCT M 10,800 · · 438,221 Direct +2.53% Acquired (price as of 2026-10-02)
Dec. 10, 2025 NTCT G 9,278 · · 1,443,960 Indirect -0.64% Disposed (price as of 2026-10-02)
Oct. 26, 2025 NTCT M 13,500 · · 110,700 Direct -10.87% Disposed (price as of 2026-10-02)
Oct. 26, 2025 NTCT F 6,001 $26.85 $161,127 427,421 Direct -1.38% Disposed 52.6% (price as of 2026-10-02)
Oct. 26, 2025 NTCT M 13,500 · · 433,422 Direct +3.21% Acquired (price as of 2026-10-02)
June 15, 2025 NTCT M 10,800 · · 423,698 Direct +2.62% Acquired (price as of 2026-10-02)
June 15, 2025 NTCT F 3,776 $23.25 $87,792 419,922 Direct -0.89% Disposed 76.2% (price as of 2026-10-02)
June 15, 2025 NTCT M 10,800 · · 124,200 Direct -8.00% Disposed (price as of 2026-10-02)
June 6, 2025 NTCT M 10,800 · · 416,079 Direct +2.66% Acquired (price as of 2026-10-02)
June 6, 2025 NTCT F 3,181 $23.22 $73,863 412,898 Direct -0.76% Disposed 76.4% (price as of 2026-10-02)
June 6, 2025 NTCT M 10,800 · · 135,000 Direct -7.41% Disposed (price as of 2026-10-02)
June 4, 2025 NTCT M 13,500 · · 409,255 Direct +3.41% Acquired (price as of 2026-10-02)
June 4, 2025 NTCT F 3,976 $23.41 $93,078 405,279 Direct -0.97% Disposed 75.0% (price as of 2026-10-02)
June 4, 2025 NTCT M 13,500 · · 145,800 Direct -8.47% Disposed (price as of 2026-10-02)
May 14, 2025 NTCT G 400,000 · · 1,853,238 Indirect +27.52% Acquired (price as of 2026-10-02)
May 14, 2025 NTCT G 400,000 · · 1,453,238 Indirect -21.58% Disposed (price as of 2026-10-02)
May 6, 2025 NTCT A 43,200 · · 159,300 Direct +37.21% Acquired (price as of 2026-10-02)
May 6, 2025 NTCT A 28,800 · · 138,240 Direct +26.32% Acquired (price as of 2026-10-02)
May 5, 2025 NTCT A 43,200 · · 159,300 Direct +37.21% Acquired (price as of 2026-10-02)
May 5, 2025 NTCT A 28,800 · · 138,240 Direct +26.32% Acquired (price as of 2026-10-02)
Oct. 26, 2024 NTCT M 13,500 · · 116,100 Direct -10.42% Disposed (price as of 2026-10-02)
Oct. 26, 2024 NTCT F 6,001 $20.64 $123,861 395,755 Direct -1.49% Disposed 98.4% (price as of 2026-10-02)
Oct. 26, 2024 NTCT M 13,500 · · 401,756 Direct +3.48% Acquired (price as of 2026-10-02)
June 15, 2024 NTCT M 10,800 · · 129,600 Direct -7.69% Disposed (price as of 2026-10-02)
June 15, 2024 NTCT F 4,801 $17.65 $84,738 388,256 Direct -1.22% Disposed 132.1% (price as of 2026-10-02)
June 15, 2024 NTCT M 10,800 · · 393,057 Direct +2.83% Acquired (price as of 2026-10-02)
June 6, 2024 NTCT A 28,800 · · 109,440 Direct +35.71% Acquired (price as of 2026-10-02)
June 6, 2024 NTCT A 43,200 · · 140,400 Direct +44.44% Acquired (price as of 2026-10-02)
June 6, 2024 NTCT M 20,160 · · 80,640 Direct -20.00% Disposed (price as of 2026-10-02)
June 6, 2024 NTCT F 5,938 $19.03 $113,000 382,257 Direct -1.53% Disposed 115.2% (price as of 2026-10-02)
June 6, 2024 NTCT M 20,160 · · 388,195 Direct +5.48% Acquired (price as of 2026-10-02)
June 4, 2024 NTCT M 13,500 · · 97,200 Direct -12.20% Disposed (price as of 2026-10-02)
June 4, 2024 NTCT F 3,976 $19.04 $75,703 368,035 Direct -1.07% Disposed 115.1% (price as of 2026-10-02)
June 4, 2024 NTCT M 13,500 · · 372,011 Direct +3.77% Acquired (price as of 2026-10-02)
June 3, 2024 NTCT M 15,000 · · 110,700 Direct -11.93% Disposed (price as of 2026-10-02)
June 3, 2024 NTCT F 4,418 $20.54 $90,746 358,511 Direct -1.22% Disposed 99.4% (price as of 2026-10-02)
June 3, 2024 NTCT M 15,000 · · 362,929 Direct +4.31% Acquired (price as of 2026-10-02)
Oct. 26, 2023 NTCT M 13,500 · · 125,700 Direct -9.70% Disposed (price as of 2026-10-02)
Oct. 26, 2023 NTCT F 6,001 $22.27 $133,642 347,929 Direct -1.70% Disposed 83.9% (price as of 2026-10-02)
Oct. 26, 2023 NTCT M 13,500 · · 353,930 Direct +3.97% Acquired (price as of 2026-10-02)
Aug. 1, 2023 NTCT M 15,000 · · 139,200 Direct -9.73% Disposed (price as of 2026-10-02)
Aug. 1, 2023 NTCT F 6,668 $27.95 $186,371 340,430 Direct -1.92% Disposed 46.5% (price as of 2026-10-02)
Aug. 1, 2023 NTCT M 15,000 · · 347,098 Direct +4.52% Acquired (price as of 2026-10-02)
June 15, 2023 NTCT A 28,800 · · 100,800 Direct +40.00% Acquired (price as of 2026-10-02)
June 15, 2023 NTCT A 43,200 · · 154,200 Direct +38.92% Acquired (price as of 2026-10-02)
June 4, 2023 NTCT M 13,500 · · 111,000 Direct -10.84% Disposed (price as of 2026-10-02)
June 4, 2023 NTCT F 3,976 $31.31 $124,489 332,098 Direct -1.18% Disposed 30.8% (price as of 2026-10-02)
June 4, 2023 NTCT M 13,500 · · 336,074 Direct +4.19% Acquired (price as of 2026-10-02)
June 3, 2023 NTCT M 15,000 · · 124,500 Direct -10.75% Disposed (price as of 2026-10-02)
June 3, 2023 NTCT F 4,418 $31.31 $138,328 322,574 Direct -1.35% Disposed 30.8% (price as of 2026-10-02)
June 3, 2023 NTCT M 15,000 · · 326,992 Direct +4.81% Acquired (price as of 2026-10-02)
May 15, 2023 NTCT G 400,000 · · 1,453,238 Indirect -21.58% Disposed (price as of 2026-10-02)
Dec. 9, 2022 NTCT G 9,345 · · 1,853,238 Indirect -0.50% Disposed (price as of 2026-10-02)
Oct. 25, 2022 NTCT A 36,000 · · 72,000 Direct +100.00% Acquired (price as of 2026-10-02)
Oct. 25, 2022 NTCT A 54,000 · · 139,500 Direct +63.16% Acquired (price as of 2026-10-02)
Aug. 9, 2022 NTCT F 13,336 $33.95 $452,757 311,992 Direct -4.10% Disposed 20.6% (price as of 2026-10-02)
Aug. 1, 2022 NTCT M 30,000 · · 85,500 Direct -25.97% Disposed (price as of 2026-10-02)
Aug. 1, 2022 NTCT M 30,000 · · 325,328 Direct +10.16% Acquired (price as of 2026-10-02)
June 4, 2022 NTCT M 13,500 · · 115,500 Direct -10.47% Disposed (price as of 2026-10-02)
June 4, 2022 NTCT F 4,041 $35.52 $143,536 295,328 Direct -1.35% Disposed 15.3% (price as of 2026-10-02)
June 4, 2022 NTCT M 13,500 · · 299,369 Direct +4.72% Acquired (price as of 2026-10-02)
June 3, 2022 NTCT M 15,000 · · 129,000 Direct -10.42% Disposed (price as of 2026-10-02)
June 3, 2022 NTCT F 4,418 $35.43 $156,530 285,869 Direct -1.52% Disposed 15.6% (price as of 2026-10-02)
June 3, 2022 NTCT M 15,000 · · 290,287 Direct +5.45% Acquired (price as of 2026-10-02)
Dec. 9, 2021 NTCT G 80,000 · · 1,862,583 Indirect -4.12% Disposed (price as of 2026-10-02)
Dec. 2, 2021 NTCT J 66,134 · · 1,942,583 Indirect +3.52% Acquired (price as of 2026-10-02)
Aug. 3, 2021 NTCT F 20,004 $28.45 $569,114 275,287 Direct -6.77% Disposed 44.0% (price as of 2026-10-02)
Aug. 1, 2021 NTCT M 45,000 · · 144,000 Direct -23.81% Disposed (price as of 2026-10-02)
Aug. 1, 2021 NTCT M 45,000 · · 295,291 Direct +17.98% Acquired (price as of 2026-10-02)
June 4, 2021 NTCT A 36,000 · · 36,000 Direct · Acquired (price as of 2026-10-02)
June 4, 2021 NTCT A 54,000 · · 189,000 Direct +40.00% Acquired (price as of 2026-10-02)
June 3, 2021 NTCT M 15,000 · · 135,000 Direct -10.00% Disposed (price as of 2026-10-02)
June 3, 2021 NTCT F 4,418 $29.26 $129,271 250,291 Direct -1.73% Disposed 40.0% (price as of 2026-10-02)
June 3, 2021 NTCT M 15,000 · · 254,709 Direct +6.26% Acquired (price as of 2026-10-02)
Dec. 2, 2020 NTCT G 35,720 · · 1,876,449 Indirect -1.87% Disposed (price as of 2026-10-02)
Aug. 5, 2020 NTCT G 400,000 · · 1,912,169 Indirect -17.30% Disposed (price as of 2026-10-02)
Aug. 4, 2020 NTCT F 20,004 $25.78 $515,703 239,709 Direct -7.70% Disposed 58.9% (price as of 2026-10-02)
Aug. 1, 2020 NTCT M 45,000 · · 150,000 Direct -23.08% Disposed (price as of 2026-10-02)
Aug. 1, 2020 NTCT M 45,000 · · 259,713 Direct +20.96% Acquired (price as of 2026-10-02)
June 3, 2020 NTCT A 60,000 · · 195,000 Direct +44.44% Acquired (price as of 2026-10-02)
June 1, 2020 NTCT M 15,000 · · 135,000 Direct -10.00% Disposed (price as of 2026-10-02)
June 1, 2020 NTCT F 4,418 $27.47 $121,362 214,713 Direct -2.02% Disposed 49.1% (price as of 2026-10-02)
June 1, 2020 NTCT M 15,000 · · 219,131 Direct +7.35% Acquired (price as of 2026-10-02)
June 1, 2020 NTCT M 15,000 · · 135,000 Direct -10.00% Disposed (price as of 2026-10-02)
June 1, 2020 NTCT F 4,418 $27.47 $121,362 220,270 Direct -1.97% Disposed 49.1% (price as of 2026-10-02)
June 1, 2020 NTCT M 15,000 · · 224,688 Direct +7.15% Acquired (price as of 2026-10-02)
Sept. 4, 2019 NTCT M 12,500 · · 150,000 Direct -7.69% Disposed (price as of 2026-10-02)

Showing latest 100 of 215 transactions

P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding

Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.

Derivative holdings (Form 4 Table II) Options, RSUs and convertible securities reported on Form 4 Table II.

06
DateTickerSecurityUnderlying Exercise priceExpirationSharesA/D
June 19, 2026 NTCT Performance Stock Unit Common Stock (10,368) · · 10,368 Disposed
June 15, 2026 NTCT Restricted Stock Unit Common Stock (10,800) · · 10,800 Disposed
June 6, 2026 NTCT Restricted Stock Unit Common Stock (10,800) · · 10,800 Disposed
May 28, 2026 NTCT Performance Stock Unit Common Stock (28,800) · · 28,800 Acquired
May 28, 2026 NTCT Restricted Stock Unit Common Stock (43,200) · · 43,200 Acquired
May 6, 2026 NTCT Restricted Stock Unit Common Stock (10,800) · · 10,800 Disposed
Oct. 26, 2025 NTCT Restricted Stock Unit Common Stock (13,500) · · 13,500 Disposed
June 15, 2025 NTCT Restricted Stock Unit Common Stock (10,800) · · 10,800 Disposed
June 6, 2025 NTCT Restricted Stock Unit Common Stock (10,800) · · 10,800 Disposed
June 4, 2025 NTCT Restricted Stock Unit Common Stock (13,500) · · 13,500 Disposed
May 6, 2025 NTCT Restricted Stock Unit Common Stock (43,200) · · 43,200 Acquired
May 6, 2025 NTCT Performance Stock Unit Common Stock (28,800) · · 28,800 Acquired
May 5, 2025 NTCT Restricted Stock Unit Common Stock (43,200) · · 43,200 Acquired
May 5, 2025 NTCT Performance Stock Unit Common Stock (28,800) · · 28,800 Acquired
Oct. 26, 2024 NTCT Restricted Stock Unit Common Stock (13,500) · · 13,500 Disposed
June 15, 2024 NTCT Restricted Stock Unit Common Stock (10,800) · · 10,800 Disposed
June 6, 2024 NTCT Performance Stock Unit Common Stock (28,800) · · 28,800 Acquired
June 6, 2024 NTCT Restricted Stock Unit Common Stock (43,200) · · 43,200 Acquired
June 6, 2024 NTCT Performance Stock Unit Common Stock (20,160) · · 20,160 Disposed
June 4, 2024 NTCT Restricted Stock Unit Common Stock (13,500) · · 13,500 Disposed
June 3, 2024 NTCT Restricted Stock Unit Common Stock (15,000) · · 15,000 Disposed
Oct. 26, 2023 NTCT Restricted Stock Unit Common Stock (13,500) · · 13,500 Disposed
Aug. 1, 2023 NTCT Restricted Stock Unit Common Stock (15,000) · · 15,000 Disposed
June 15, 2023 NTCT Performance Stock Unit Common Stock (28,800) · · 28,800 Acquired
June 15, 2023 NTCT Restricted Stock Unit Common Stock (43,200) · · 43,200 Acquired
June 4, 2023 NTCT Restricted Stock Unit Common Stock (13,500) · · 13,500 Disposed
June 3, 2023 NTCT Restricted Stock Unit Common Stock (15,000) · · 15,000 Disposed
Oct. 25, 2022 NTCT Performance Stock Unit Common Stock (36,000) · · 36,000 Acquired
Oct. 25, 2022 NTCT Restricted Stock Unit Common Stock (54,000) · · 54,000 Acquired
Aug. 1, 2022 NTCT Restricted Stock Unit Common Stock (30,000) · · 30,000 Disposed
June 4, 2022 NTCT Restricted Stock Unit Common Stock (13,500) · · 13,500 Disposed
June 3, 2022 NTCT Restricted Stock Unit Common Stock (15,000) · · 15,000 Disposed
Aug. 1, 2021 NTCT Restricted Stock Unit Common Stock (45,000) · · 45,000 Disposed
June 4, 2021 NTCT Performance Stock Unit Common Stock (36,000) · · 36,000 Acquired
June 4, 2021 NTCT Restricted Stock Unit Common Stock (54,000) · · 54,000 Acquired
June 3, 2021 NTCT Restricted Stock Unit Common Stock (15,000) · · 15,000 Disposed
Aug. 1, 2020 NTCT Restricted Stock Unit Common Stock (45,000) · · 45,000 Disposed
June 3, 2020 NTCT Restricted Stock Unit Common Stock (60,000) · · 60,000 Acquired
June 1, 2020 NTCT Restricted Stock Unit Common Stock (15,000) · · 15,000 Disposed
June 1, 2020 NTCT Restricted Stock Unit Common Stock (15,000) · · 15,000 Disposed
Sept. 4, 2019 NTCT Restricted Stock Unit Common Stock (12,500) · · 12,500 Disposed
Aug. 1, 2019 NTCT Restricted Stock Unit Common Stock (30,000) · · 30,000 Disposed
July 30, 2019 NTCT Restricted Stock Unit Common Stock (60,000) · · 60,000 Acquired
June 3, 2019 NTCT Restricted Stock Unit Common Stock (15,000) · · 15,000 Disposed
Nov. 13, 2018 NTCT Restricted Stock Unit Common Stock (12,500) · · 12,500 Disposed
Sept. 4, 2018 NTCT Restricted Stock Unit Common Stock (12,500) · · 12,500 Disposed
Aug. 1, 2018 NTCT Restricted Stock Unit Common Stock (15,000) · · 15,000 Disposed
July 25, 2018 NTCT Restricted Stock Unit Common Stock (60,000) · · 60,000 Acquired
June 1, 2018 NTCT Restricted Stock Unit Common Stock (15,000) · · 15,000 Disposed
Nov. 13, 2017 NTCT Restricted Stock Unit Common Stock (12,500) · · 12,500 Disposed
Sept. 4, 2017 NTCT Restricted Stock Unit Common Stock (12,500) · · 12,500 Disposed
Aug. 26, 2017 NTCT Restricted Stock Unit Common Stock (10,417) · · 10,417 Disposed
July 25, 2017 NTCT Restricted Stock Unit Common Stock (60,000) · · 60,000 Acquired
June 1, 2017 NTCT Restricted Stock Unit Common Stock (15,000) · · 15,000 Disposed
Nov. 13, 2016 NTCT Restricted Stock Unit Common Stock (12,500) · · 12,500 Disposed
Sept. 4, 2016 NTCT Restricted Stock Unit Common Stock (12,500) · · 12,500 Disposed
Aug. 26, 2016 NTCT Restricted Stock Unit Common Stock (10,417) · · 10,417 Disposed
Aug. 21, 2016 NTCT Restricted Stock Unit Common Stock (10,348) · · 10,348 Disposed
June 1, 2016 NTCT Restricted Stock Unit Common Stock (60,000) · · 60,000 Acquired
Nov. 13, 2015 NTCT Restricted Stock Unit Common Stock (12,500) · · 12,500 Disposed
Sept. 22, 2015 NTCT Restricted Stock Unit Common Stock (50,000) · · 50,000 Acquired
Sept. 7, 2015 NTCT Restricted Stock Unit Common Stock (11,760) · · 11,760 Disposed
Aug. 26, 2015 NTCT Restricted Stock Unit Common Stock (10,417) · · 10,417 Disposed
Aug. 21, 2015 NTCT Restricted Stock Unit Common Stock (10,348) · · 10,348 Disposed
Nov. 13, 2014 NTCT Restricted Stock Unit Common Stock (50,000) · · 50,000 Acquired
Sept. 7, 2014 NTCT Restricted Stock Unit Common Stock (11,760) · · 11,760 Disposed
Aug. 26, 2014 NTCT Restricted Stock Unit Common Stock (10,416) · · 10,416 Disposed
Aug. 21, 2014 NTCT Restricted Stock Unit Common Stock (10,348) · · 10,348 Disposed
June 9, 2014 NTCT Restricted Stock Unit Common Stock (19,056) · · 19,056 Disposed
Sept. 7, 2013 NTCT Restricted Stock Unit Common Stock (11,760) · · 11,760 Disposed
Aug. 26, 2013 NTCT Restricted Stock Unit Common Stock (41,667) · · 41,667 Acquired
Aug. 21, 2013 NTCT Restricted Stock Unit Common Stock (10,347) · · 10,347 Disposed
June 9, 2013 NTCT Restricted Stock Unit Common Stock (19,055) · · 19,055 Disposed
Sept. 7, 2012 NTCT Restricted Stock Unit Common Stock (11,760) · · 11,760 Disposed
Aug. 21, 2012 NTCT Restricted Stock Unit Common Stock (41,391) · · 41,391 Acquired
June 11, 2012 NTCT Restricted Stock Unit Common Stock (19,056) · · 19,056 Disposed
Sept. 7, 2011 NTCT Restricted Stock Unit Common Stock (47,040) · · 47,040 Acquired
June 9, 2011 NTCT Restricted Stock Unit Common Stock (19,055) · · 19,055 Disposed
June 9, 2010 NTCT Restricted Stock Unit Common Stock (76,222) · · 76,222 Acquired

Exercise/conversion price is blank when not applicable (e.g. RSUs).

Compensation (DEF 14A)

08

Matched by name from proxy statements (DEF 14A) — verify against the filing.

Fiscal yearSalaryBonusStock awards Option awardsNon-equity incentivePension changeOtherTotal
2025 $594,825 · · · $523,580 · $125,314 $2,437,479
2024 $594,825 · · · $323,585 · $104,460 $2,852,966
2023 $594,825 · · · $911,464 $0 $101,889 $4,509,598

Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.