InsiderTrades

NET Cloudflare, Inc.

NYSE · SEC CIK 1477333 · EDGAR

Bought, last 12 months
$0
0 purchases by 0 insiders
Sold, last 12 months
$718.28M
95 sales by 10 insiders
Filings on record
613
since 2021-07-02, latest 2026-09-23 17:14
Buying vs selling by month open-market trades, last 24 months
BoughtSold

Most active insiders, 12 months

InsiderTitleBoughtSold
Prince MatthewCEO, Board Co-COB, Dir, 10% —$373.66M
Zatlyn MichellePres, Board Co-COB, Dir —$228.67M
SEIFERT THOMAS JCFO —$55.87M
Ledbetter CarlDir —$32.43M
Riley JanelCAO —$8.78M
Graham-Cumming JohnDir —$6.36M
Kramer Douglas JamesCLO —$5.59M
Starzak Alissa MichelleCLO —$5.32M
Suder KatrinDir —$879.2K
Hawkins Mark JDir —$725.0K

Transactions 954

Type
Reset
X Filed Traded Ticker Insider Title Type Price Qty Owned ΔOwn Value
TI 2026-09-23 17:14 2026-09-22 NET Ledbetter Carl Dir S - Sale $353.15 -5,000 873.1K -0.6% -$1.77M
DT 2026-09-21 16:50 2026-09-17 NET SEIFERT THOMAS J CFO C - Cnv Deriv — +10.0K 117.9K +9% —
DMT 2026-09-21 16:50 2026-09-17 NET SEIFERT THOMAS J CFO S - Sale $332.46 -10.0K 107.9K -8% -$3.32M
2026-09-15 19:07 2026-09-15 NET SEIFERT THOMAS J CFO F - Tax $327.23 -2,944 107.9K -3% -$963.4K
MTI 2026-09-15 18:31 2026-09-14 NET Ledbetter Carl Dir S - Sale $312.22 -5,000 878.1K -0.6% -$1.56M
DMTI 2026-09-08 20:54 2026-09-03+ NET Zatlyn Michelle Pres, BOARD CO-COB, Dir C - Cnv Deriv — +99.0K 102.8K +2,627% —
DMTI 2026-09-08 20:54 2026-09-03+ NET Zatlyn Michelle Pres, BOARD CO-COB, Dir S - Sale $279.34 -99.0K 69.8K -59% -$27.66M
DMTI 2026-08-21 17:28 2026-08-19+ NET Zatlyn Michelle Pres, Board Co-COB, Dir C - Cnv Deriv — +99.0K 102.8K +2,627% —
DMTI 2026-08-21 17:28 2026-08-19+ NET Zatlyn Michelle Pres, Board Co-COB, Dir S - Sale $285.71 -99.0K 69.8K -59% -$28.29M
DT 2026-08-19 17:42 2026-08-17 NET Starzak Alissa Michelle CLO M - OptEx $77.70 +3,333 118.0K +3% +$259.0K
DMT 2026-08-19 17:42 2026-08-17+ NET Starzak Alissa Michelle CLO S - Sale+OE $307.79 -5,871 112.1K -5% -$1.81M
DT 2026-08-19 17:37 2026-08-17 NET Riley Janel CAO M - OptEx $67.79 +1,667 46.7K +4% +$113.0K
DMT 2026-08-19 17:37 2026-08-17+ NET Riley Janel CAO S - Sale+OE $306.91 -5,148 41.5K -11% -$1.58M
DT 2026-08-19 17:35 2026-08-17 NET SEIFERT THOMAS J CFO C - Cnv Deriv — +10.0K 120.8K +9% —
DMT 2026-08-19 17:35 2026-08-17 NET SEIFERT THOMAS J CFO S - Sale $307.32 -10.0K 110.8K -8% -$3.07M
2026-08-18 17:01 2026-08-15 NET Starzak Alissa Michelle CLO F - Tax $315.78 -3,775 114.6K -3% -$1.19M
2026-08-18 17:00 2026-08-15 NET SEIFERT THOMAS J CFO F - Tax $315.78 -2,944 110.8K -3% -$929.7K
2026-08-18 16:59 2026-08-15 NET Riley Janel CAO F - Tax $315.78 -4,135 45.0K -8% -$1.31M
2026-08-18 16:57 2026-08-15 NET Prince Matthew CEO, Board Co-COB, Dir, 10% F - Tax $315.78 -19.9K 315.3K -6% -$6.30M
2026-08-18 16:48 2026-08-15 NET Zatlyn Michelle Pres, Board Co-COB, Dir F - Tax $315.78 -23.2K 315.3K -7% -$7.31M
DT 2026-08-11 17:03 2026-08-10 NET Graham-Cumming John Dir M - OptEx $44.72 +2,520 497.4K +0.5% +$112.7K
DMT 2026-08-11 17:03 2026-08-10 NET Graham-Cumming John Dir S - Sale+OE $303.97 -2,520 494.9K -0.5% -$766.0K
DT 2026-08-06 19:03 2026-08-04 NET SEIFERT THOMAS J CFO M - OptEx $44.72 +55.0K 168.8K +48% +$2.46M
DMT 2026-08-06 19:03 2026-08-04 NET SEIFERT THOMAS J CFO S - Sale+OE $300.30 -55.0K 113.8K -33% -$16.52M
MTI 2026-08-06 17:23 2026-08-06 NET Ledbetter Carl Dir S - Sale $281.98 -5,000 883.1K -0.6% -$1.41M
MTI 2026-08-05 19:47 2026-08-05 NET Prince Matthew CEO, Board Co-COB, Dir, 10% S - Sale $296.10 -33.6K 0 -100% -$9.96M
DMTI 2026-08-05 19:46 2026-08-04+ NET Prince Matthew CEO, Board Co-COB, Dir, 10% S - Sale $297.58 -51.0K 0 -100% -$15.19M
DMTI 2026-08-05 19:46 2026-08-05 NET Prince Matthew CEO, Board Co-COB, Dir, 10% C - Cnv Deriv — +52.4K 33.6K New —
DMTI 2026-08-05 19:25 2026-08-04 NET Prince Matthew CEO, Board Co-COB, Dir, 10% C - Cnv Deriv — +52.4K 33.6K New —
DMTI 2026-08-05 19:25 2026-08-04 NET Prince Matthew CEO, Board Co-COB, Dir, 10% S - Sale $296.89 -20.1K 32.3K -38% -$5.97M
DMTI 2026-08-05 19:24 2026-08-03 NET Prince Matthew CEO, Board Co-COB, Dir, 10% C - Cnv Deriv — +52.4K 33.6K New —
DMTI 2026-08-05 19:24 2026-08-03 NET Prince Matthew CEO, Board Co-COB, Dir, 10% S - Sale $283.42 -52.4K 0 -100% -$14.85M
T 2026-08-04 16:44 2026-08-03 NET Hawkins Mark J Dir S - Sale $277.74 -133 10.6K -1% -$36.9K
DT 2026-07-17 19:01 2026-07-15 NET SEIFERT THOMAS J CFO F - Tax $281.75 -2,943 113.8K -3% -$829.2K
DT 2026-07-17 19:01 2026-07-17 NET SEIFERT THOMAS J CFO C - Cnv Deriv — +10.0K 123.8K +9% —
DMT 2026-07-17 19:01 2026-07-17 NET SEIFERT THOMAS J CFO S - Sale $276.92 -10.0K 113.8K -8% -$2.77M
DMTI 2026-07-15 18:59 2026-07-13+ NET Zatlyn Michelle Pres, Board Co-COB, Dir C - Cnv Deriv — +99.1K 80.4K New —
DMTI 2026-07-15 18:59 2026-07-13+ NET Zatlyn Michelle Pres, Board Co-COB, Dir S - Sale $276.78 -99.1K 47.4K -68% -$27.42M
TI 2026-07-08 17:02 2026-07-07 NET Ledbetter Carl Dir S - Sale $268.11 -5,000 888.1K -0.6% -$1.34M
DT 2026-07-07 18:38 2026-07-06 NET Graham-Cumming John Dir M - OptEx $44.72 +2,520 497.4K +0.5% +$112.7K
DMT 2026-07-07 18:38 2026-07-06 NET Graham-Cumming John Dir S - Sale+OE $247.28 -2,520 494.9K -0.5% -$623.2K
DMTI 2026-07-06 19:01 2026-07-02+ NET Prince Matthew CEO, Board Co-COB, Dir, 10% C - Cnv Deriv — +86.0K 33.6K New —
DMTI 2026-07-06 19:01 2026-07-02+ NET Prince Matthew CEO, Board Co-COB, Dir, 10% S - Sale $245.31 -86.0K 0 -100% -$21.10M
DMTI 2026-07-06 19:00 2026-07-01+ NET Prince Matthew CEO, Board Co-COB, Dir, 10% C - Cnv Deriv — +71.2K 18.8K New —
DMTI 2026-07-06 19:00 2026-07-01+ NET Prince Matthew CEO, Board Co-COB, Dir, 10% S - Sale $247.28 -71.2K 0 -100% -$17.60M
2026-07-02 16:21 2026-06-30 NET Ledbetter Carl Dir A - Grant $0.00 +842 20.4K +4% $0
2026-07-02 16:20 2026-06-30 NET Lakhani Karim Dir A - Grant $0.00 +842 7,548 +13% $0
2026-07-02 16:19 2026-06-30 NET Graham-Cumming John Dir A - Grant $0.00 +842 494.9K +0.2% $0
2026-07-02 16:17 2026-06-30 NET Cunningham Stacey Dir A - Grant $0.00 +842 4,215 +25% $0
T 2026-07-02 16:16 2026-06-30 NET Hawkins Mark J Dir A - Grant $0.00 +842 10.9K +8% $0
T 2026-07-02 16:16 2026-07-01 NET Hawkins Mark J Dir S - Sale $249.00 -133 10.8K -1% -$33.1K
2026-07-02 16:13 2026-06-30 NET Suder Katrin Dir A - Grant $0.00 +842 38.3K +2% $0
2026-07-02 16:12 2026-06-30 NET SANDELL SCOTT D Dir A - Grant $0.00 +842 11.4K +8% $0
DTI 2026-06-24 19:40 2026-06-24 NET Prince Matthew CEO, Board Co-COB, Dir, 10% C - Cnv Deriv — +52.4K 52.4K New —
DMTI 2026-06-24 19:40 2026-06-24 NET Prince Matthew CEO, Board Co-COB, Dir, 10% S - Sale $224.30 -52.4K 0 -100% -$11.75M
DMTI 2026-06-24 19:38 2026-06-22+ NET Prince Matthew CEO, Board Co-COB, Dir, 10% C - Cnv Deriv — +79.2K 52.4K New —
DMTI 2026-06-24 19:38 2026-06-22+ NET Prince Matthew CEO, Board Co-COB, Dir, 10% S - Sale $221.65 -104.8K 0 -100% -$23.22M
DMTI 2026-06-18 17:58 2026-06-16+ NET Zatlyn Michelle Pres, Board Co-COB, Dir C - Cnv Deriv — +76.9K 73.1K New —
DMTI 2026-06-18 17:58 2026-06-16+ NET Zatlyn Michelle Pres, Board Co-COB, Dir S - Sale $228.25 -76.9K 47.4K -62% -$17.56M
DT 2026-06-17 17:56 2026-06-15 NET SEIFERT THOMAS J CFO F - Tax $228.48 -2,944 116.7K -2% -$672.6K
DT 2026-06-17 17:56 2026-06-17 NET SEIFERT THOMAS J CFO C - Cnv Deriv — +10.0K 126.7K +9% —
DMT 2026-06-17 17:56 2026-06-17 NET SEIFERT THOMAS J CFO S - Sale $232.39 -10.0K 116.7K -8% -$2.32M
DT 2026-06-16 17:15 2026-06-15 NET Graham-Cumming John Dir M - OptEx $44.72 +2,520 496.6K +0.5% +$112.7K
DMT 2026-06-16 17:15 2026-06-15 NET Graham-Cumming John Dir S - Sale+OE $235.95 -2,520 494.1K -0.5% -$594.6K
T 2026-06-08 17:21 2026-06-08 NET Suder Katrin Dir S - Sale $252.92 -293 37.4K -0.8% -$74.1K
T 2026-06-02 16:12 2026-06-01 NET Hawkins Mark J Dir S - Sale $246.42 -133 10.1K -1% -$32.8K
MTI 2026-06-02 16:10 2026-06-01 NET Ledbetter Carl Dir S - Sale $246.06 -15.0K 893.1K -2% -$3.69M
DT 2026-06-01 19:15 2026-05-28 NET Starzak Alissa Michelle CLO M - OptEx $77.70 +10.0K 134.6K +8% +$777.1K
DMT 2026-06-01 19:15 2026-05-28 NET Starzak Alissa Michelle CLO S - Sale+OE $216.15 -16.2K 118.4K -12% -$3.51M
DMTI 2026-05-27 18:34 2026-05-22+ NET Zatlyn Michelle Pres, Board Co-COB, Dir C - Cnv Deriv — +76.9K 73.1K New —
DMTI 2026-05-27 18:34 2026-05-22+ NET Zatlyn Michelle Pres, Board Co-COB, Dir S - Sale $212.25 -86.4K 47.4K -65% -$18.33M
DMTI 2026-05-21 18:38 2026-05-19+ NET Prince Matthew CEO, Board Co-COB, Dir, 10% C - Cnv Deriv — +157.2K 77.9K New —
DMTI 2026-05-21 18:38 2026-05-19+ NET Prince Matthew CEO, Board Co-COB, Dir, 10% S - Sale $207.49 -157.2K 25.6K -86% -$32.61M
DT 2026-05-19 17:55 2026-05-15 NET SEIFERT THOMAS J CFO F - Tax $199.81 -9,667 212.0K -4% -$1.93M
DT 2026-05-19 17:55 2026-05-18 NET SEIFERT THOMAS J CFO C - Cnv Deriv — +10.0K 222.0K +5% —
DMT 2026-05-19 17:55 2026-05-18 NET SEIFERT THOMAS J CFO S - Sale $200.61 -10.0K 212.0K -5% -$2.01M
DT 2026-05-19 17:51 2026-05-15 NET Riley Janel CAO M - OptEx $67.79 +3,333 60.1K +6% +$225.9K
DT 2026-05-19 17:51 2026-05-15 NET Riley Janel CAO F - Tax $199.81 -4,134 56.0K -7% -$826.0K
DMT 2026-05-19 17:51 2026-05-15+ NET Riley Janel CAO S - Sale+OE $195.10 -6,814 49.2K -12% -$1.33M
2026-05-19 17:46 2026-05-15 NET Starzak Alissa Michelle CLO F - Tax $199.81 -3,769 124.6K -3% -$753.1K
2026-05-19 17:43 2026-05-15 NET Zatlyn Michelle Pres, Board Co-COB, Dir F - Tax $199.81 -23.2K 360.8K -6% -$4.63M
2026-05-19 17:39 2026-05-15 NET Prince Matthew CEO, Board Co-COB, Dir, 10% F - Tax $199.81 -20.0K 360.8K -5% -$3.99M
DT 2026-05-05 18:17 2026-05-04 NET Graham-Cumming John Dir M - OptEx $44.72 +2,520 496.6K +0.5% +$112.7K
DMT 2026-05-05 18:17 2026-05-04 NET Graham-Cumming John Dir S - Sale+OE $221.58 -2,520 494.1K -0.5% -$558.4K
TI 2026-05-05 18:15 2026-05-05 NET Ledbetter Carl Dir S - Sale $238.12 -15.0K 908.1K -2% -$3.57M
TI 2026-05-04 16:26 2026-05-01 NET Ledbetter Carl Dir S - Sale $215.82 -5,009 923.1K -0.5% -$1.08M
2026-05-04 16:24 2026-05-01 NET Hawkins Mark J Dir S - Sale $211.62 -133 10.2K -1% -$28.1K
2026-04-30 19:27 2026-04-29 NET Starzak Alissa Michelle CLO A - Grant — +63.3K 128.3K +97% —
TI 2026-04-30 16:34 2026-04-28 NET Ledbetter Carl Dir S - Sale $215.85 -9,991 928.1K -1% -$2.16M
DMTI 2026-04-22 19:55 2026-04-20+ NET Zatlyn Michelle Pres, Board Co-COB, Dir C - Cnv Deriv — +76.9K 60.2K New —
DMTI 2026-04-22 19:55 2026-04-20+ NET Zatlyn Michelle Pres, Board Co-COB, Dir S - Sale $204.87 -76.9K 34.5K -69% -$15.76M
DT 2026-04-17 17:33 2026-04-15 NET SEIFERT THOMAS J CFO F - Tax $178.65 -2,944 221.7K -1% -$525.9K
DT 2026-04-17 17:33 2026-04-17 NET SEIFERT THOMAS J CFO C - Cnv Deriv — +10.0K 231.7K +5% —
DMT 2026-04-17 17:33 2026-04-17 NET SEIFERT THOMAS J CFO S - Sale $197.98 -10.0K 221.7K -4% -$1.98M
MTI 2026-04-08 19:09 2026-04-08 NET Prince Matthew CEO, Board Co-COB, Dir, 10% S - Sale $223.62 -659 0 -100% -$147.4K
DMTI 2026-04-08 19:06 2026-04-06+ NET Prince Matthew CEO, Board Co-COB, Dir, 10% C - Cnv Deriv — +157.2K 52.4K New —
DMTI 2026-04-08 19:06 2026-04-06+ NET Prince Matthew CEO, Board Co-COB, Dir, 10% S - Sale $211.94 -156.5K 659 -100% -$33.17M
T 2026-04-02 16:54 2026-04-01 NET Hawkins Mark J Dir S - Sale $209.60 -133 10.3K -1% -$27.9K
DM 2026-03-30 2026-03-27 NET Graham-Cumming John Dir S - Sale+OE $202.31 -3,644 495.0K -0.7% -$737.2K
D 2026-03-30 2026-03-27 NET Graham-Cumming John Dir M - OptEx $44.72 +2,520 497.7K +0.5% +$112.7K

Purchase Sale Sale after option exercise All abbreviations