Comparable stake leader
Matthew Prince
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
Ownership snapshot
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.
Quick read
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.
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| Matthew Prince |
13D/G
3/4/5
CEO & Board Co-Chair, Director, 10%+ Owner
|
7.7%
|
$5,192,636,655
26,338,507 shares
|
$0 | 31 Dec 2025 |
| Capital World Investors |
13F
13D/G
Company
|
7.3%
from 13D/G
|
$4,690,530,038
22,735,569 shares
|
— | 31 Mar 2026 |
| BAILLIE GIFFORD & CO |
13D/G
13F
Company
|
5.3%
|
$3,316,841,151
16,823,947 shares
|
-$990,637,940 | 31 Dec 2025 |
| MORGAN STANLEY |
13D/G
13F
Company
|
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
|
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
|
5.1%
|
$3,326,650,415
16,122,179 shares
|
$0 | 31 Mar 2026 |
| Carl Ledbetter |
3/4/5
Director
|
0.29%
|
$243,114,487
908,514 shares
|
-$36,987,815 | 07 Jul 2026 |
| Scott D. Sandell |
3/4/5
Director
|
0.02%
|
$9,982,316
48,378 shares
|
— | 30 Jun 2026 |
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
Net insider flow leans to selling over the last 12 months. Net value: -$711,964,107.
| Window (months) | Buy shares | Sell shares | Buy value | Sell value | Net value |
|---|---|---|---|---|---|
| 0-3 | 0 | 823,009 | $0 | $182,861,785 | -$182,861,785 |
| 3-6 | 0 | 791,856 | $0 | $153,940,494 | -$153,940,494 |
| 6-9 | 0 | 928,743 | $0 | $186,849,615 | -$186,849,615 |
| 9-12 | 0 | 915,129 | $0 | $188,312,214 | -$188,312,214 |
Reporting owners
Showing 1-17 of 17 reporting-owner rows connected to Cloudflare, Inc.. Open a relationship link for the CIK-to-CIK filing trail.
| 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 | -$36,987,815 | -13% | Mixed | 07 Jul 2026 |
| Michelle Zatlyn | President and Board Co-Chair, Director | $166,252,783 | -$193,239,475 | -54% | Mixed | 16 Jun 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 | $59,076,290 | -$61,386,217 | -51% | Mixed | 15 Jun 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 | -$6,794,817 | -24% | 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 |
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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 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 | |||
| Matthew Prince | NET | Class B Common Stock | Conversion of derivative security | -1.19% | -52,384 | 4,348,551 | 23 Jun 2026 | See footnote | ||
| Matthew Prince | NET | Class A Common Stock | Sale | -100% | $11,414,860 | $217.91 | -52,384 | 0 | 22 Jun 2026 | See footnote |
| Matthew Prince | NET | Class A Common Stock | Conversion of derivative security | 105% | 26,834 | 52,384 | 22 Jun 2026 | See footnote | ||
| Matthew Prince | NET | Class B Common Stock | Conversion of derivative security | -0.61% | -26,834 | 4,400,935 | 22 Jun 2026 | See footnote | ||
| Michelle Zatlyn | NET | Class A Common Stock | Sale | -35.1% | $5,618,174 | $219.11 | -25,641 | 47,425 | 18 Jun 2026 | See footnote |
| Michelle Zatlyn | NET | Class A Common Stock | Conversion of derivative security | 54.1% | 25,641 | 73,066 | 18 Jun 2026 | See footnote | ||
| Michelle Zatlyn | NET | Class B Common Stock | Conversion of derivative security | -100% | -25,641 | 0 | 18 Jun 2026 | Direct | ||
| Michelle Zatlyn | NET | Class B Common Stock | Options Exercise | 25,641 | 25,641 | 18 Jun 2026 | Direct | |||
| Michelle Zatlyn | NET | Employee Stock Option (right to buy) | Options Exercise | -1.95% | -25,641 | 1,287,172 | 18 Jun 2026 | Direct | ||
| Michelle Zatlyn | NET | Class A Common Stock | Sale | -35.1% | $5,965,720 | $232.66 | -25,641 | 47,425 | 17 Jun 2026 | See footnote |
| Michelle Zatlyn | NET | Class A Common Stock | Conversion of derivative security | 54.1% | 25,641 | 73,066 | 17 Jun 2026 | See footnote | ||
| Michelle Zatlyn | NET | Class B Common Stock | Conversion of derivative security | -100% | -25,641 | 0 | 17 Jun 2026 | Direct | ||
| Michelle Zatlyn | NET | Class B Common Stock | Options Exercise | 25,641 | 25,641 | 17 Jun 2026 | Direct | |||
| Michelle Zatlyn | NET | Employee Stock Option (right to buy) | Options Exercise | -1.92% | -25,641 | 1,312,813 | 17 Jun 2026 | Direct | ||
| Thomas J. Seifert | NET | Class A Common Stock | Sale | -7.89% | $2,323,887 | $232.39 | -10,000 | 116,733 | 17 Jun 2026 | Direct |
| Thomas J. Seifert | NET | Class A Common Stock | Conversion of derivative security | 8.57% | 10,000 | 126,733 | 17 Jun 2026 | Direct | ||
| Thomas J. Seifert | NET | Class B Common Stock | Conversion of derivative security | -52.8% | -10,000 | 8,925 | 17 Jun 2026 | Direct | ||
| Thomas J. Seifert | NET | Class B Common Stock | Options Exercise | 112% | 10,000 | 18,925 | 17 Jun 2026 | Direct | ||
| Thomas J. Seifert | NET | Employee Stock Option (right to buy) | Options Exercise | -25% | -10,000 | 30,000 | 17 Jun 2026 | Direct | ||
| Michelle Zatlyn | NET | Class A Common Stock | Sale | -35.1% | $5,973,940 | $232.98 | -25,641 | 47,425 | 16 Jun 2026 | See footnote |
| Michelle Zatlyn | NET | Class A Common Stock | Conversion of derivative security | 54.1% | 25,641 | 73,066 | 16 Jun 2026 | See footnote |