SEC ownership of Cloudflare, Inc.

Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001477333.

Comparable stake leader

Matthew Prince

Disclosed value leader

Matthew Prince

Comparable rows

50/50

Latest evidence

07 Jul 2026

Top shareholders Insider holders Latest transactions
Public ticker
NET on NYSE
Parsed ownership sources
13D/G, 3/4/5, and 13F
Source: Parsed SEC ownership filingsUse: Compare filing families carefully
Largest SEC-reported holder
Matthew Prince
Ranking: Comparable ownership first, then disclosed value
Ownership snapshot CIK-linked ownership evidence from parsed SEC filings. 3 signals
Comparable ownership rows
50 of 50
Meaning: Rows with safely comparable ownership %
Latest 13D/G holder
Matthew Prince
Source: Latest parsed Schedule 13D/G stake
Latest parsed ownership date
07 Jul 2026
Freshness: Most recent filing date in this holder set
Issuer Names, identifiers, and filing context for this profile. 2 identity fields
Issuer CIK
0001477333
Issuer location
San Francisco, CA

Ownership snapshot

Top shareholders of Cloudflare, Inc. (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Comparable stake leader
Matthew Prince
Disclosed value leader
Matthew Prince
Comparable rows
50/50
Latest evidence
07 Jul 2026
13D/G 3/4/5 13F Lead comparable stake: 7.7% 13D/G row: Matthew Prince Showing 1-8 of 50 holder rows.

Quick read

Matthew Prince leads the comparable SEC ownership view at 7.7%.

50 of 50 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.

Open SEC evidence Opens Matthew Prince's linked filing trail.
Comparable ownership Top 5
Matthew Prince 7.7%
Capital World Investors 7.3%
MORGAN STANLEY 5.3%
VANGUARD CAPITAL MANAGEMENT LLC 5.2%
VANGUARD PORTFOLIO MANAGEMENT LLC 5.1%

Ownership % is shown only when SEC disclosures are safely comparable across share classes.

Detailed SEC evidence table Showing 1-8 of 50 holder rows
Holder Evidence Ownership % Position 12M Net Δ As of
Matthew Prince
13D/G 3/4/5
CEO & Board Co-Chair, Director, 10%+ Owner
13D/G 3/4/5
7.7%
$5,192,636,655
26,338,507 shares
 $0 31 Dec 2025
Capital World Investors
13F 13D/G
Company
13F 13D/G
7.3%
from 13D/G
$4,690,530,038
22,735,569 shares
 — 31 Mar 2026
MORGAN STANLEY
13D/G 13F
Company
13D/G 13F
5.3%
$3,312,793,267
16,803,415 shares
 -$663,856,098 31 Dec 2025
VANGUARD CAPITAL MANAGEMENT LLC
13D/G 13F
Vanguard Capital Management · Company
13D/G 13F
5.2%
$3,403,047,594
16,492,428 shares
 $0 31 Mar 2026
VANGUARD PORTFOLIO MANAGEMENT LLC
13D/G 13F
Vanguard Portfolio Management · Company
13D/G 13F
5.1%
$3,326,650,415
16,122,179 shares
 $0 31 Mar 2026
BAILLIE GIFFORD & CO
13D/G 13F
Company
13D/G 13F
4.6%
$3,580,743,136
14,598,594 shares
 -$545,834,584 30 Jun 2026
Carl Ledbetter
3/4/5
Director
3/4/5
0.29%
$243,114,487
908,514 shares
 -$33,990,122 07 Jul 2026
Scott D. Sandell
3/4/5
Director
3/4/5
0.02%
$9,982,316
48,378 shares
 — 30 Jun 2026
How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

Forms 3/4/5 flow

Insider trading overview

Net insider flow leans to selling over the last 12 months. Net value: -$703,175,394.

Buys
$0
Insiders: 0
Sells
$703,175,394
Insiders: 10
Net
-$703,175,394
Shares: -3,367,878
Window
Last 12 months
4 rolling buckets
Buy value Sell value
Shares: 0 Shares: 3,367,878
Window (months) Buy shares Sell shares Buy value Sell value Net value
0-3 0 830,017 $0 $192,045,049 -$192,045,049
3-6 0 840,137 $0 $164,569,199 -$164,569,199
6-9 0 846,230 $0 $167,507,833 -$167,507,833
9-12 0 851,494 $0 $179,053,313 -$179,053,313

Reporting owners

Insider holders from Forms 3/4/5

Showing 1-17 of 17 reporting-owner rows connected to Cloudflare, Inc.. Open a relationship link for the CIK-to-CIK filing trail.

Rows
17
Largest Forms 3/4/5 holder
Matthew Prince
Net 12M change
-$703,175,391
Latest report
15 Jul 2026
Name Relationship Holdings Value Past Year Net Change Change % Valuation Report Date
Matthew Prince CEO & Board Co-Chair, Director, 10%+ Owner $811,962,179 -$393,375,536 -33% Mixed 01 Jul 2026
Carl Ledbetter Director $243,114,487 -$33,990,122 -12% Mixed 07 Jul 2026
Michelle Zatlyn President and Board Co-Chair, Director $187,752,929 -$206,279,087 -52% Mixed 13 Jul 2026
John Graham-Cumming Director $123,800,249 -$7,703,866 -5.9% Filing P/S 06 Jul 2026
Thomas J. Seifert Chief Financial Officer $68,153,315 -$43,150,246 -39% Mixed 15 Jul 2026
Alissa Michelle Starzak Chief Legal Officer $25,826,045 -$3,510,882 -12% Filing P/S 28 May 2026
Douglas James Kramer Chief Legal Officer $22,013,195 -$6,200,153 -22% Mixed 15 Feb 2026
Scott D. Sandell Director $9,982,316 Mixed 30 Jun 2026
Janel Riley Chief Accounting Officer $9,504,191 -$7,196,679 -43% Filing P/S 15 May 2026
Mark Anderson Director $9,011,096 Mixed 15 Aug 2023
Katrin Suder Director $7,897,044 -$879,153 -10% Mixed 30 Jun 2026
Mark J. Hawkins Director $2,680,485 -$889,667 -25% Filing P/S 30 Jun 2026
Paul D. Underwood Chief Accounting Officer $2,367,426 Mixed 15 May 2023
Karim Lakhani Director $1,557,454 Mixed 30 Jun 2026
Stacey Cunningham Director $869,723 Mixed 30 Jun 2026
Maria S. Eitel Director $525,132 Filing P/S 01 Nov 2024
Stanley J. Meresman Director $207,620 Mixed 11 May 2022

Recent insider transactions for Cloudflare, Inc.

Showing up to 300 recent insider transactions from the last 12 months.

Insider Symbol Class Transaction % SEC-reported value SEC-reported price Shares Shares owned Date Ownership
Thomas J. Seifert NET Class A Common Stock Sale -8.08% $2,769,195 $276.92 -10,000 113,790 17 Jul 2026 Direct
Thomas J. Seifert NET Class A Common Stock Conversion of derivative security 8.79% 10,000 123,790 17 Jul 2026 Direct
Thomas J. Seifert NET Class B Common Stock Conversion of derivative security -52.8% -10,000 8,925 17 Jul 2026 Direct
Thomas J. Seifert NET Class B Common Stock Options Exercise 112% 10,000 18,925 17 Jul 2026 Direct
Thomas J. Seifert NET Employee Stock Option (right to buy) Options Exercise -33.3% -10,000 20,000 17 Jul 2026 Direct
Thomas J. Seifert NET Class A Common Stock Tax liability -2.52% -2,943 113,790 15 Jul 2026 Direct
Michelle Zatlyn NET Class A Common Stock Sale -41% $9,454,558 $286.48 -33,003 47,425 15 Jul 2026 See footnote
Michelle Zatlyn NET Class A Common Stock Conversion of derivative security 69.6% 33,003 80,428 15 Jul 2026 See footnote
Michelle Zatlyn NET Class B Common Stock Conversion of derivative security -100% -33,003 0 15 Jul 2026 Direct
Michelle Zatlyn NET Class B Common Stock Options Exercise 33,003 33,003 15 Jul 2026 Direct
Michelle Zatlyn NET Employee Stock Option (right to buy) Options Exercise -2.7% -33,003 1,188,108 15 Jul 2026 Direct
Michelle Zatlyn NET Class A Common Stock Sale -41% $9,177,872 $278.09 -33,003 47,425 14 Jul 2026 See footnote
Michelle Zatlyn NET Class A Common Stock Conversion of derivative security 69.6% 33,003 80,428 14 Jul 2026 See footnote
Michelle Zatlyn NET Class B Common Stock Conversion of derivative security -100% -33,003 0 14 Jul 2026 Direct
Michelle Zatlyn NET Class B Common Stock Options Exercise 33,003 33,003 14 Jul 2026 Direct
Michelle Zatlyn NET Employee Stock Option (right to buy) Options Exercise -2.63% -33,003 1,221,111 14 Jul 2026 Direct
Michelle Zatlyn NET Class A Common Stock Sale -41.1% $8,786,631 $265.79 -33,058 47,425 13 Jul 2026 See footnote
Michelle Zatlyn NET Class A Common Stock Conversion of derivative security 69.7% 33,058 80,483 13 Jul 2026 See footnote
Michelle Zatlyn NET Class B Common Stock Conversion of derivative security -100% -33,058 0 13 Jul 2026 Direct
Michelle Zatlyn NET Class B Common Stock Options Exercise 33,058 33,058 13 Jul 2026 Direct
Michelle Zatlyn NET Employee Stock Option (right to buy) Options Exercise -2.57% -33,058 1,254,114 13 Jul 2026 Direct
Carl Ledbetter NET Class A Common Stock Sale -0.56% $1,340,547 $268.11 -5,000 888,073 07 Jul 2026 See footnote
John Graham-Cumming NET Class A Common Stock Sale -0.51% $623,156 $247.28 -2,520 494,909 06 Jul 2026 Direct
John Graham-Cumming NET Class A Common Stock Options Exercise 0.51% 2,520 497,429 06 Jul 2026 Direct
John Graham-Cumming NET Stock Option (right to buy) Options Exercise -50% -2,520 2,520 06 Jul 2026 Direct
Matthew Prince NET Class A Common Stock Sale -100% $12,953,328 $247.28 -52,383 0 06 Jul 2026 See footnote
Matthew Prince NET Class A Common Stock Conversion of derivative security 52,383 33,631 06 Jul 2026 See footnote
Matthew Prince NET Class B Common Stock Conversion of derivative security -1.8% -52,383 2,850,932 06 Jul 2026 See footnote
Matthew Prince NET Class A Common Stock Sale -100% $8,146,661 $242.24 -33,631 0 02 Jul 2026 See footnote
Matthew Prince NET Class A Common Stock Conversion of derivative security 33,631 33,631 02 Jul 2026 See footnote
Matthew Prince NET Class B Common Stock Conversion of derivative security -1.15% -33,631 2,884,563 02 Jul 2026 See footnote
Matthew Prince NET Class A Common Stock Sale -100% $4,542,422 $242.24 -18,752 0 02 Jul 2026 See footnote
Matthew Prince NET Class A Common Stock Conversion of derivative security 18,752 18,752 02 Jul 2026 See footnote
Matthew Prince NET Class B Common Stock Conversion of derivative security -0.44% -18,752 4,258,628 02 Jul 2026 See footnote
Matthew Prince NET Class A Common Stock Sale -100% $13,057,835 $249.09 -52,422 0 01 Jul 2026 See footnote
Matthew Prince NET Class A Common Stock Conversion of derivative security 52,422 33,635 01 Jul 2026 See footnote
Matthew Prince NET Class B Common Stock Conversion of derivative security -1.76% -52,422 2,918,194 01 Jul 2026 See footnote
Mark J. Hawkins NET Class A Common Stock Sale -1.22% $33,117 $249.00 -133 10,765 01 Jul 2026 Direct
Carl Ledbetter NET Class A Common Stock Award 4.3% 842 20,441 30 Jun 2026 Direct
Karim Lakhani NET Class A Common Stock Award 12.6% 842 7,548 30 Jun 2026 Direct
John Graham-Cumming NET Class A Common Stock Award 0.17% 842 494,909 30 Jun 2026 Direct
Stacey Cunningham NET Class A Common Stock Award 25% 842 4,215 30 Jun 2026 Direct
Mark J. Hawkins NET Class A Common Stock Award 8.37% 842 10,898 30 Jun 2026 Direct
Scott D. Sandell NET Class A Common Stock Award 7.99% 842 11,378 30 Jun 2026 Direct
Katrin Suder NET Class A Common Stock Award 2.25% 842 38,272 30 Jun 2026 Direct
Matthew Prince NET Class A Common Stock Sale -100% $11,749,771 $224.30 -52,384 0 24 Jun 2026 See footnote
Matthew Prince NET Class A Common Stock Conversion of derivative security 52,384 52,384 24 Jun 2026 See footnote
Matthew Prince NET Class B Common Stock Conversion of derivative security -1.2% -52,384 4,296,167 24 Jun 2026 See footnote
Matthew Prince NET Class A Common Stock Sale -100% $11,807,027 $225.39 -52,384 0 23 Jun 2026 See footnote
Matthew Prince NET Class A Common Stock Conversion of derivative security 52,384 52,384 23 Jun 2026 See footnote
* marks a reported price that did not pass the local price check.
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