Comparable stake leader
Matthew Prince
SEC ownership of Cloudflare, Inc.
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001477333.
Disclosed value leader
Matthew Prince
Comparable rows
50/50
Latest evidence
05 May 2026
- Symbol
- NET on NYSE
- Ownership evidence mix
- 13D/G, 3/4/5, and 13F
- Largest current holder
- Matthew Prince
- Latest large-stake holder
- Matthew Prince
- Latest evidence date
- 05 May 2026
- CIK
- 0001477333
- Location
- San Francisco, CA
Ownership snapshot
2 facts
Issuer identity
2 facts
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
05 May 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.
Comparable ownership
Top 5
Matthew Prince
7.7%
Capital World Investors
7.3%
BAILLIE GIFFORD & CO
5.3%
MORGAN STANLEY
5.3%
VANGUARD CAPITAL MANAGEMENT LLC
5.2%
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
|
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%
|
$220,274,218
927,672 shares
|
-$36,915,396 | 05 May 2026 |
| Scott D. Sandell |
3/4/5
Director
|
0.02%
|
$6,767,224
47,536 shares
|
— | 05 Jun 2025 |
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: -$692,110,515.
Buys
$0
Insiders: 0
Sells
$692,110,515
Insiders: 10
Net
-$692,110,515
Shares: -3,472,002
Window
Last 12 months
4 rolling buckets
Buy value
Sell value
Shares: 0
Shares: 3,472,002
| Window (months) | Buy shares | Sell shares | Buy value | Sell value | Net value |
|---|---|---|---|---|---|
| 0-3 | 0 | 846,637 | $0 | $175,853,631 | -$175,853,631 |
| 3-6 | 0 | 825,080 | $0 | $157,274,748 | -$157,274,748 |
| 6-9 | 0 | 860,146 | $0 | $181,551,883 | -$181,551,883 |
| 9-12 | 0 | 940,139 | $0 | $177,430,253 | -$177,430,253 |
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 current holder
Matthew Prince
Net 12M change
-$692,110,514
Latest report
28 May 2026
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| Matthew Prince | CEO & Board Co-Chair, Director, 10%+ Owner | $1,020,940,742 | -$377,250,662 | -27% | Mixed | 19 May 2026 |
| Carl Ledbetter | Director | $220,274,218 | -$36,915,396 | -14% | Mixed | 05 May 2026 |
| Michelle Zatlyn | President and Board Co-Chair, Director | $160,516,735 | -$189,089,817 | -54% | Mixed | 22 May 2026 |
| John Graham-Cumming | Director | $110,536,473 | -$6,486,115 | -5.5% | Filing P/S | 04 May 2026 |
| Thomas J. Seifert | Chief Financial Officer | $54,436,239 | -$60,869,918 | -53% | Mixed | 15 May 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 | -$9,057,645 | -29% | Mixed | 15 Feb 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 | $7,544,600 | -$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 | $2,156,196 | -$823,776 | -28% | Filing P/S | 01 May 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 |
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 |
|---|---|---|---|---|---|---|---|---|---|---|
| Alissa Michelle Starzak | NET | Class A Common Stock | Sale | -12.1% | $3,510,882 | $216.15 | -16,243 | 118,395 | 28 May 2026 | Direct |
| Alissa Michelle Starzak | NET | Class A Common Stock | Options Exercise | 8.02% | 10,001 | 134,638 | 28 May 2026 | Direct | ||
| Alissa Michelle Starzak | NET | Performance Stock Option (right to buy) | Options Exercise | -10% | -10,001 | 89,999 | 28 May 2026 | Direct | ||
| Michelle Zatlyn | NET | Class A Common Stock | Sale | -35.1% | $5,392,410 | $210.30 | -25,641 | 47,425 | 27 May 2026 | See footnote |
| Michelle Zatlyn | NET | Class A Common Stock | Conversion of derivative security | 54.1% | 25,641 | 73,066 | 27 May 2026 | See footnote | ||
| Michelle Zatlyn | NET | Class B Common Stock | Conversion of derivative security | -100% | -25,641 | 0 | 27 May 2026 | Direct | ||
| Michelle Zatlyn | NET | Class B Common Stock | Options Exercise | 25,641 | 25,641 | 27 May 2026 | Direct | |||
| Michelle Zatlyn | NET | Employee Stock Option (right to buy) | Options Exercise | -1.85% | -25,641 | 1,364,095 | 27 May 2026 | Direct | ||
| Michelle Zatlyn | NET | Class A Common Stock | Sale | -35.1% | $5,431,514 | $211.83 | -25,641 | 47,425 | 26 May 2026 | See footnote |
| Michelle Zatlyn | NET | Class A Common Stock | Conversion of derivative security | 54.1% | 25,641 | 73,066 | 26 May 2026 | See footnote | ||
| Michelle Zatlyn | NET | Class B Common Stock | Conversion of derivative security | -100% | -25,641 | 0 | 26 May 2026 | Direct | ||
| Michelle Zatlyn | NET | Class B Common Stock | Options Exercise | 25,641 | 25,641 | 26 May 2026 | Direct | |||
| Michelle Zatlyn | NET | Employee Stock Option (right to buy) | Options Exercise | -1.81% | -25,641 | 1,389,736 | 26 May 2026 | Direct | ||
| Michelle Zatlyn | NET | Class A Common Stock | Sale | -42.5% | $7,506,549 | $213.98 | -35,080 | 47,425 | 22 May 2026 | See footnote |
| Michelle Zatlyn | NET | Class A Common Stock | Conversion of derivative security | 45.1% | 25,641 | 82,505 | 22 May 2026 | See footnote | ||
| Michelle Zatlyn | NET | Class B Common Stock | Conversion of derivative security | -100% | -25,641 | 0 | 22 May 2026 | Direct | ||
| Michelle Zatlyn | NET | Class B Common Stock | Options Exercise | 25,641 | 25,641 | 22 May 2026 | Direct | |||
| Michelle Zatlyn | NET | Employee Stock Option (right to buy) | Options Exercise | -1.78% | -25,641 | 1,415,377 | 22 May 2026 | Direct | ||
| Matthew Prince | NET | Class A Common Stock | Sale | -67.2% | $11,035,223 | $210.66 | -52,384 | 25,550 | 21 May 2026 | See footnote |
| Matthew Prince | NET | Class A Common Stock | Conversion of derivative security | 205% | 52,384 | 77,934 | 21 May 2026 | See footnote | ||
| Matthew Prince | NET | Class B Common Stock | Conversion of derivative security | -1.17% | -52,384 | 4,427,769 | 21 May 2026 | See footnote | ||
| Matthew Prince | NET | Class A Common Stock | Sale | -67.2% | $10,877,323 | $207.65 | -52,384 | 25,550 | 20 May 2026 | See footnote |
| Matthew Prince | NET | Class A Common Stock | Conversion of derivative security | 205% | 52,384 | 77,934 | 20 May 2026 | See footnote | ||
| Matthew Prince | NET | Class B Common Stock | Conversion of derivative security | -1.16% | -52,384 | 4,480,153 | 20 May 2026 | See footnote | ||
| Matthew Prince | NET | Class A Common Stock | Sale | -67.2% | $10,694,415 | $204.15 | -52,384 | 25,550 | 19 May 2026 | See footnote |
| Matthew Prince | NET | Class A Common Stock | Conversion of derivative security | 205% | 52,384 | 77,934 | 19 May 2026 | See footnote | ||
| Matthew Prince | NET | Class B Common Stock | Conversion of derivative security | -1.14% | -52,384 | 4,532,537 | 19 May 2026 | See footnote | ||
| Thomas J. Seifert | NET | Class A Common Stock | Sale | -4.5% | $2,006,068 | $200.61 | -10,000 | 212,014 | 18 May 2026 | Direct |
| Thomas J. Seifert | NET | Class A Common Stock | Conversion of derivative security | 4.72% | 10,000 | 222,014 | 18 May 2026 | Direct | ||
| Thomas J. Seifert | NET | Class B Common Stock | Conversion of derivative security | -52.8% | -10,000 | 8,925 | 18 May 2026 | Direct | ||
| Thomas J. Seifert | NET | Class B Common Stock | Options Exercise | 112% | 10,000 | 18,925 | 18 May 2026 | Direct | ||
| Thomas J. Seifert | NET | Employee Stock Option (right to buy) | Options Exercise | -20% | -10,000 | 40,000 | 18 May 2026 | Direct | ||
| Janel Riley | NET | Class A Common Stock | Sale | -6.61% | $672,947 | $193.32 | -3,481 | 49,163 | 18 May 2026 | Direct |
| Thomas J. Seifert | NET | Class A Common Stock | Tax liability | -4.36% | -9,667 | 212,014 | 15 May 2026 | Direct | ||
| Janel Riley | NET | Class A Common Stock | Sale | -5.95% | $656,434 | $196.95 | -3,333 | 52,644 | 15 May 2026 | Direct |
| Janel Riley | NET | Class A Common Stock | Tax liability | -6.88% | -4,134 | 55,990 | 15 May 2026 | Direct | ||
| Janel Riley | NET | Class A Common Stock | Options Exercise | 5.87% | 3,333 | 60,124 | 15 May 2026 | Direct | ||
| Janel Riley | NET | Performance Stock Option (right to buy) | Options Exercise | -4.35% | -3,333 | 73,335 | 15 May 2026 | Direct | ||
| Alissa Michelle Starzak | NET | Class A Common Stock | Tax liability | -2.94% | -3,769 | 124,637 | 15 May 2026 | Direct | ||
| Michelle Zatlyn | NET | Class A Common Stock | Tax liability | -6.03% | -23,158 | 360,807 | 15 May 2026 | Direct | ||
| Matthew Prince | NET | Class A Common Stock | Tax liability | -5.24% | -19,958 | 360,807 | 15 May 2026 | Direct | ||
| Alissa Michelle Starzak | NET | Performance Stock Option (right to buy) | Award | 128,000 | 128,000 | 11 May 2026 | Direct | |||
| Carl Ledbetter | NET | Class A Common Stock | Sale | -1.63% | $3,571,797 | $238.12 | -15,000 | 908,073 | 05 May 2026 | See footnote |
| John Graham-Cumming | NET | Class A Common Stock | Sale | -0.51% | $558,382 | $221.58 | -2,520 | 494,067 | 04 May 2026 | Direct |
| John Graham-Cumming | NET | Class A Common Stock | Options Exercise | 0.51% | 2,520 | 496,587 | 04 May 2026 | Direct | ||
| John Graham-Cumming | NET | Stock Option (right to buy) | Options Exercise | -25% | -2,520 | 7,560 | 04 May 2026 | Direct | ||
| Carl Ledbetter | NET | Class A Common Stock | Sale | -0.54% | $1,081,049 | $215.82 | -5,009 | 923,073 | 01 May 2026 | See footnote |
| Mark J. Hawkins | NET | Class A Common Stock | Sale | -1.29% | $28,145 | $211.62 | -133 | 10,189 | 01 May 2026 | Direct |
| Alissa Michelle Starzak | NET | Class A Common Stock | Award | 97.4% | 63,305 | 128,302 | 29 Apr 2026 | Direct | ||
| Carl Ledbetter | NET | Class A Common Stock | Sale | -1.07% | $2,156,573 | $215.85 | -9,991 | 928,082 | 28 Apr 2026 | See footnote |
* marks a reported price that did not pass the local price check.