Insider Transactions Reported by 17 Insiders of Cloudflare, Inc.

Symbol
NET on NYSE
Location
San Francisco, CA

Quick Takeaways

  • NET - Cloudflare, Inc. has 17 insiders with reported activity on this page.
  • Net insider value flow over the last year: -$659,934,114.
  • Recent transaction rows are available for direct filing-level review.

What Changed

  • Buy value: ; sell value: $659,934,114.
  • Net share flow: -3,413,069.

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.

Source Evidence

Filed on Form 4

Issuer insider activity is sourced from SEC Forms 3, 4, and 5.

See Original Filing

Insider trading overview

Last 12 months

Net insider flow leans to selling over the last 12 months. Net value: -$659,934,114.

Buys

$0

Shares: 0

Insiders: 0

Sells

$659,934,114

Shares: 3,413,069

Insiders: 9

Net

-$659,934,114

Shares: -3,413,069

Insiders: -9

Window (months) Buy shares Sell shares Buy $ Sell $ Net $
0-3 0 776,215 $0 $151,047,240 -$151,047,240
3-6 0 849,616 $0 $168,935,349 -$168,935,349
6-9 0 942,974 $0 $196,720,042 -$196,720,042
9-12 0 844,264 $0 $143,231,483 -$143,231,483

Cloudflare, Inc. executives and other stock owners filed with the SEC include:

Name Relationship Holdings Value Past Year Net Change Change % Valuation Report Date
Matthew Prince CEO & Board Co-Chair, Director, 10%+ Owner $1,054,078,475 -$368,431,535 -26% Mixed 06 Apr 2026
Carl Ledbetter Director $212,989,474 -$30,105,976 -12% Filing P/S 18 Mar 2026
Michelle Zatlyn President and Board Co-Chair, Director $140,390,924 -$168,550,495 -55% Mixed 03 Mar 2026
John Graham-Cumming Director $100,980,723 -$5,927,733 -5.5% Filing P/S 27 Mar 2026
Thomas J. Seifert Chief Financial Officer $55,900,654 -$66,580,321 -54% Mixed 15 Apr 2026
Douglas James Kramer Chief Legal Officer $22,013,195 -$9,430,131 -30% Mixed 15 Feb 2026
Alissa Michelle Starzak Chief Legal Officer $13,411,480 Median 01 Apr 2026
Janel Riley Chief Accounting Officer $10,790,290 -$6,407,251 -37% Filing P/S 05 Mar 2026
Mark Anderson Director $9,011,096 Mixed 15 Aug 2023
Katrin Suder Director $7,544,600 -$909,624 -11% Filing P/S 22 Dec 2025
Scott D. Sandell Director $6,767,224 Mixed 05 Jun 2025
Paul D. Underwood Chief Accounting Officer $2,367,426 Mixed 15 May 2023
Mark J. Hawkins Director $2,163,491 -$795,630 -27% Filing P/S 01 Apr 2026
Karim Lakhani Director $798,709 Mixed 27 Mar 2025
Maria S. Eitel Director $525,132 Filing P/S 01 Nov 2024
Stacey Cunningham Director $401,736 Mixed 27 Mar 2025
Stanley J. Meresman Director $207,620 Mixed 11 May 2022

Top shareholders of Cloudflare, 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
Capital World Investors
13D/G 13F
Company
12%
36,368,156
$7,169,981,955 -$986,259,436 31 Dec 2025
VANGUARD GROUP INC
13F
Company
10%
32,407,646
$6,389,167,409 31 Dec 2025
13F
Matthew Prince
13D/G 3/4/5
CEO & Board Co-Chair, Director, 10%+ Owner
7.7%
26,338,507
$5,192,636,655 $0 31 Dec 2025
BlackRock, Inc.
13F
Company
7.2%
22,653,454
$4,466,128,440 31 Dec 2025
13F
MORGAN STANLEY
13F 13D/G
Company
5.3%
from 13D/G
18,009,245
$3,550,523,235 31 Dec 2025
BAILLIE GIFFORD & CO
13D/G 13F
Company
5.3%
16,823,947
$3,316,841,151 -$990,637,940 31 Dec 2025
JPMORGAN CHASE & CO
13F
Company
4.3%
13,607,106
$2,682,641,472 31 Dec 2025
13F
FMR LLC
13F
Company
4%
12,750,499
$2,513,760,757 31 Dec 2025
13F
STATE STREET CORP
13F
Company
2.2%
6,988,989
$1,377,879,181 31 Dec 2025
13F
GEODE CAPITAL MANAGEMENT, LLC
13F
Company
1.9%
6,018,175
$1,184,043,818 31 Dec 2025
13F
FIRST TRUST ADVISORS LP
13F
Company
1.3%
4,019,157
$792,376,804 31 Dec 2025
13F
SANDS CAPITAL MANAGEMENT, LLC
13F
Company
1.2%
3,731,287
$735,623,232 31 Dec 2025
13F
Invesco Ltd.
13F
Company
1.2%
3,700,696
$729,592,228 31 Dec 2025
13F
NORGES BANK
13F
Company
1.2%
3,643,501
$718,316,222 31 Dec 2025
13F
FRANKLIN RESOURCES INC
13F
Company
1.1%
3,575,711
$704,951,412 31 Dec 2025
13F
AMERICAN CENTURY COMPANIES INC
13F
Company
1%
3,174,409
$625,834,734 31 Dec 2025
13F
Legal & General Group Plc
13F
Company
0.89%
2,824,772
$556,903,799 31 Dec 2025
13F
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC
13F
Company
0.78%
2,463,842
$485,746,450 31 Dec 2025
13F
TWO SIGMA ADVISERS, LP
13F
Company
0.74%
2,340,000
$461,331,000 31 Dec 2025
13F
GOLDMAN SACHS GROUP INC
13F
Company
0.74%
2,334,059
$460,159,783 31 Dec 2025
13F
VOYA INVESTMENT MANAGEMENT LLC
13F
Company
0.73%
2,294,562
$452,125,478 31 Dec 2025
13F
BANK OF AMERICA CORP /DE/
13F
Company
0.72%
2,285,370
$450,560,669 31 Dec 2025
13F
NORTHERN TRUST CORP
13F
Company
0.62%
1,971,595
$388,699,954 31 Dec 2025
13F
JENNISON ASSOCIATES LLC
13F
Company
0.59%
1,863,612
$367,411,096 31 Dec 2025
13F
GILDER GAGNON HOWE & CO LLC
13F
Company
0.55%
1,754,461
$345,891,953 31 Dec 2025
13F
ROYAL BANK OF CANADA
13F
Company
0.54%
1,713,666
$337,849,000 31 Dec 2025
13F
WELLINGTON MANAGEMENT GROUP LLP
13F
Company
0.54%
1,707,014
$336,537,810 31 Dec 2025
13F
MASSACHUSETTS FINANCIAL SERVICES CO /MA/
13F
Company
0.52%
1,639,661
$323,259,167 31 Dec 2025
13F
DEUTSCHE BANK AG\
13F
Company
0.5%
1,588,591
$313,190,716 31 Dec 2025
13F
CHARLES SCHWAB INVESTMENT MANAGEMENT INC
13F
Company
0.48%
1,531,220
$301,880,039 31 Dec 2025
13F
Squarepoint Ops LLC
13F
Company
0.48%
1,526,578
$300,964,853 31 Dec 2025
13F
Amundi
13F
Individual
0.42%
1,331,452
$262,495,762 31 Dec 2025
13F
TWO SIGMA INVESTMENTS, LP
13F
Company
0.4%
1,257,598
$247,935,446 31 Dec 2025
13F
Pictet Asset Management Holding SA
13F
Company
0.37%
1,175,479
$231,837,616 31 Dec 2025
13F
1832 Asset Management L.P.
13F
Company
0.36%
1,147,900
$226,308,485 31 Dec 2025
13F
Sumitomo Mitsui Trust Group, Inc.
13F
Company
0.36%
1,125,602
$221,912,434 31 Dec 2025
13F
Carl Ledbetter
3/4/5
Director
0.3%
938,073
$212,989,474 -$30,105,976 18 Mar 2026
Bank of New York Mellon Corp
13F
Company
0.33%
1,057,265
$208,439,730 31 Dec 2025
13F
Strategy Capital LLC
13F
Company
0.33%
1,042,099
$205,449,818 31 Dec 2025
13F
RAYMOND JAMES FINANCIAL INC
13F
Company
0.33%
1,030,550
$204,850,173 31 Dec 2025
13F
PRICE T ROWE ASSOCIATES INC /MD/
13F
Company
0.33%
1,034,680
$203,989,000 31 Dec 2025
13F
National Pension Service
13F
Company
0.3%
948,003
$186,898,791 31 Dec 2025
13F
KBC Group NV
13F
Company
0.3%
936,921
$184,713,000 31 Dec 2025
13F
Polar Capital Holdings Plc
13F
Company
0.29%
930,366
$183,421,657 31 Dec 2025
13F
LORD, ABBETT & CO. LLC
13F
Company
0.29%
920,597
$181,496,000 31 Dec 2025
13F
UBS Group AG
13F
Company
0.28%
882,907
$174,065,114 31 Dec 2025
13F
Swiss National Bank
13F
Company
0.27%
857,400
$169,036,410 31 Dec 2025
13F
CITIGROUP INC
13F
Company
0.26%
807,403
$159,179,502 31 Dec 2025
13F
WELLS FARGO & COMPANY/MN
13F
Company
0.24%
774,000
$152,594,060 31 Dec 2025
13F
NOMURA ASSET MANAGEMENT INTERNATIONAL INC.
13F
Company
0.24%
771,636
$152,128,000 31 Dec 2025
13F

Recent Insider Transactions by Companies or Individuals for Cloudflare, 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
Thomas J. Seifert NET Class A Common Stock Sale -4.32% $1,979,757 $197.98 -10,000 221,681 17 Apr 2026 Direct
Thomas J. Seifert NET Class A Common Stock Conversion of derivative security 4.51% 10,000 231,681 17 Apr 2026 Direct
Thomas J. Seifert NET Class B Common Stock Conversion of derivative security -52.8% -10,000 8,925 17 Apr 2026 Direct
Thomas J. Seifert NET Class B Common Stock Options Exercise 112% 10,000 18,925 17 Apr 2026 Direct
Thomas J. Seifert NET Employee Stock Option (right to buy) Options Exercise -16.7% -10,000 50,000 17 Apr 2026 Direct
Thomas J. Seifert NET Class A Common Stock Tax liability -1.31% -2,944 221,681 15 Apr 2026 Direct
Matthew Prince NET Class A Common Stock Sale -100% $147,367 $223.62 -659 0 08 Apr 2026 See footnote
Matthew Prince NET Class A Common Stock Sale -98.7% $11,048,132 $213.59 -51,725 659 08 Apr 2026 See footnote
Matthew Prince NET Class A Common Stock Conversion of derivative security 52,384 52,384 08 Apr 2026 See footnote
Matthew Prince NET Class B Common Stock Conversion of derivative security -1.13% -52,384 4,584,921 08 Apr 2026 See footnote
Matthew Prince NET Class A Common Stock Sale -100% $11,117,736 $212.24 -52,384 0 07 Apr 2026 See footnote
Matthew Prince NET Class A Common Stock Conversion of derivative security 52,384 52,384 07 Apr 2026 See footnote
Matthew Prince NET Class B Common Stock Conversion of derivative security -1.12% -52,384 4,637,305 07 Apr 2026 See footnote
Matthew Prince NET Class A Common Stock Sale -100% $11,001,901 $210.02 -52,384 0 06 Apr 2026 See footnote
Matthew Prince NET Class A Common Stock Conversion of derivative security 52,384 52,384 06 Apr 2026 See footnote
Matthew Prince NET Class B Common Stock Conversion of derivative security -1.1% -52,384 4,689,689 06 Apr 2026 See footnote
Mark J. Hawkins NET Class A Common Stock Sale -1.27% $27,877 $209.60 -133 10,322 01 Apr 2026 Direct
John Graham-Cumming NET Class A Common Stock Sale -0.73% $737,203 $202.31 -3,644 494,067 27 Mar 2026 Direct
John Graham-Cumming NET Class A Common Stock Options Exercise 0.51% 2,520 497,711 27 Mar 2026 Direct
John Graham-Cumming NET Stock Option (right to buy) Options Exercise -20% -2,520 10,080 27 Mar 2026 Direct
Carl Ledbetter NET Class A Common Stock Sale -1.57% $3,405,750 $227.05 -15,000 938,073 18 Mar 2026 See footnote
Matthew Prince NET Class A Common Stock Sale -100% $3,102,156 $227.80 -13,618 0 18 Mar 2026 See footnote
Matthew Prince NET Class A Common Stock Sale -74% $8,484,709 $218.87 -38,766 13,618 18 Mar 2026 See footnote
Matthew Prince NET Class A Common Stock Conversion of derivative security 52,384 52,384 18 Mar 2026 See footnote
Matthew Prince NET Class B Common Stock Conversion of derivative security -1.09% -52,384 4,742,073 18 Mar 2026 See footnote
Matthew Prince NET Class A Common Stock Sale -100% $11,118,544 $212.25 -52,384 0 17 Mar 2026 See footnote
Matthew Prince NET Class A Common Stock Conversion of derivative security 52,384 52,384 17 Mar 2026 See footnote
Matthew Prince NET Class B Common Stock Conversion of derivative security -1.08% -52,384 4,794,457 17 Mar 2026 See footnote
Thomas J. Seifert NET Class A Common Stock Sale -4.4% $2,195,442 $212.30 -10,341 224,625 17 Mar 2026 Direct
Thomas J. Seifert NET Class A Common Stock Conversion of derivative security 4.6% 10,341 234,966 17 Mar 2026 Direct
Thomas J. Seifert NET Class B Common Stock Conversion of derivative security -53.7% -10,341 8,925 17 Mar 2026 Direct
Thomas J. Seifert NET Class B Common Stock Options Exercise 115.9% 10,341 19,266 17 Mar 2026 Direct
Thomas J. Seifert NET Employee Stock Option (right to buy) Options Exercise -14.7% -10,341 60,000 17 Mar 2026 Direct
Matthew Prince NET Class A Common Stock Sale -100% $10,952,448 $209.08 -52,384 0 16 Mar 2026 See footnote
Matthew Prince NET Class A Common Stock Conversion of derivative security 128.6% 29,473 52,384 16 Mar 2026 See footnote
Matthew Prince NET Class B Common Stock Conversion of derivative security -0.6% -29,473 4,846,841 16 Mar 2026 See footnote
Thomas J. Seifert NET Class A Common Stock Tax liability -1.29% -2,943 224,625 15 Mar 2026 Direct
Janel Riley NET Class A Common Stock Sale -29.1% $4,433,080 $190.00 -23,332 56,791 05 Mar 2026 Direct
Janel Riley NET Class A Common Stock Options Exercise 41.1% 23,332 80,123 05 Mar 2026 Direct
Janel Riley NET Performance Stock Option (right to buy) Options Exercise -23.3% -23,332 76,668 05 Mar 2026 Direct
Michelle Zatlyn NET Class A Common Stock Sale -42.6% $4,859,047 $189.50 -25,641 34,514 05 Mar 2026 See footnote
Michelle Zatlyn NET Class A Common Stock Conversion of derivative security 74.3% 25,641 60,155 05 Mar 2026 See footnote
Michelle Zatlyn NET Class B Common Stock Conversion of derivative security -100% -25,641 0 05 Mar 2026 Direct
Michelle Zatlyn NET Class B Common Stock Options Exercise 25,641 25,641 05 Mar 2026 Direct
Michelle Zatlyn NET Employee Stock Option (right to buy) Options Exercise -1.66% -25,641 1,517,941 05 Mar 2026 Direct
Michelle Zatlyn NET Class A Common Stock Sale -42.6% $4,605,773 $179.63 -25,641 34,514 04 Mar 2026 See footnote
Michelle Zatlyn NET Class A Common Stock Conversion of derivative security 74.3% 25,641 60,155 04 Mar 2026 See footnote
Michelle Zatlyn NET Class B Common Stock Conversion of derivative security -100% -25,641 0 04 Mar 2026 Direct
Michelle Zatlyn NET Class B Common Stock Options Exercise 25,641 25,641 04 Mar 2026 Direct
Michelle Zatlyn NET Employee Stock Option (right to buy) Options Exercise -1.63% -25,641 1,543,582 04 Mar 2026 Direct
* An asterisk sign (*) next to the price indicates that the price is likely invalid.