Company · CIK 0001477333 · SIC 7372 — Services-Prepackaged Software · NYSE
Cloudflare, Inc. · NET
Insider activity reported against this company. All insider holders · On EDGAR ↗
Reported at this company — common stock
| Trade | Reported (ET) | Insider | Shares | Avg price | Total | Owned after | Δ stake | Flags |
|---|---|---|---|---|---|---|---|---|
| Sep 22, 2026 SForm 4 → | Sep 23, 5:14 pm EDT | Carl LedbetterDirector | 5,000 | $353.15 | $1,765,751 | 873,073 | −0.57% | 10b5-1 |
| Sep 17, 2026 SForm 4 → | Sep 21, 4:50 pm EDT | Thomas J SeifertChief Financial Officer | 10,000 | $332.46 | $3,324,617 | 107,902 | −8.48% | 10b5-1 |
| Sep 17, 2026 CForm 4 → | Sep 21, 4:50 pm EDT | Thomas J SeifertChief Financial Officer | 10,000 | — | — | 117,902 | — | 10b5-1 |
| Sep 15, 2026 FForm 4 → | Sep 15, 7:07 pm EDT | Thomas J SeifertChief Financial Officer | 2,944 | $327.23 | $963,365 | 107,902 | — | |
| Sep 14, 2026 SForm 4 → | Sep 15, 6:31 pm EDT | Carl LedbetterDirector | 5,000 | $312.22 | $1,561,080 | 878,073 | −0.57% | 10b5-1 |
| Sep 3, 2026 SForm 4 → | Sep 8, 8:54 pm EDT | Michelle ZatlynPRESIDENT & BOARD CO-CHAIR, Director | 99,009 | $279.34 | $27,657,089 | 69,775 | −58.7% | 10b5-1 |
| Sep 3, 2026 CForm 4 → | Sep 8, 8:54 pm EDT | Michelle ZatlynPRESIDENT & BOARD CO-CHAIR, Director | 99,009 | — | — | 102,778 | — | 10b5-1 |
| Aug 19, 2026 SForm 4 → | Aug 21, 5:28 pm EDT | Michelle ZatlynPresident and Board Co-Chair, Director | 99,009 | $285.71 | $28,287,684 | 69,775 | −58.7% | 10b5-1 |
| Aug 19, 2026 CForm 4 → | Aug 21, 5:28 pm EDT | Michelle ZatlynPresident and Board Co-Chair, Director | 99,009 | — | — | 102,778 | — | 10b5-1 |
| Aug 17, 2026 SForm 4 → | Aug 19, 5:42 pm EDT | Alissa Michelle StarzakChief Legal Officer | 5,871 | $307.79 | $1,807,014 | 112,082 | −4.98% | 10b5-1 |
| Aug 17, 2026 MForm 4 → | Aug 19, 5:42 pm EDT | Alissa Michelle StarzakChief Legal Officer | 3,333 | $77.70 | $258,974 | 117,953 | — | 10b5-1 |
| Aug 17, 2026 SForm 4 → | Aug 19, 5:37 pm EDT | Janel RileyChief Accounting Officer | 5,148 | $306.91 | $1,579,995 | 41,547 | −11.0% | 10b5-1 |
| Aug 17, 2026 MForm 4 → | Aug 19, 5:37 pm EDT | Janel RileyChief Accounting Officer | 1,667 | $67.79 | $113,006 | 46,695 | — | 10b5-1 |
| Aug 17, 2026 SForm 4 → | Aug 19, 5:35 pm EDT | Thomas J SeifertChief Financial Officer | 10,000 | $307.32 | $3,073,176 | 110,846 | −8.27% | 10b5-1 |
| Aug 17, 2026 CForm 4 → | Aug 19, 5:35 pm EDT | Thomas J SeifertChief Financial Officer | 10,000 | — | — | 120,846 | — | 10b5-1 |
| Aug 15, 2026 FForm 4 → | Aug 18, 5:01 pm EDT | Alissa Michelle StarzakChief Legal Officer | 3,775 | $315.78 | $1,192,070 | 114,620 | — | |
| Aug 15, 2026 FForm 4 → | Aug 18, 5:00 pm EDT | Thomas J SeifertChief Financial Officer | 2,944 | $315.78 | $929,656 | 110,846 | — | |
| Aug 15, 2026 FForm 4 → | Aug 18, 4:59 pm EDT | Janel RileyChief Accounting Officer | 4,135 | $315.78 | $1,305,750 | 45,028 | — | |
| Aug 15, 2026 FForm 4 → | Aug 18, 4:57 pm EDT | Matthew PrinceCEO & Board Co-Chair, Director, 10% Owner | 19,937 | $315.78 | $6,295,706 | 315,300 | — | |
| Aug 15, 2026 FForm 4 → | Aug 18, 4:48 pm EDT | Michelle ZatlynPresident and Board Co-Chair, Director | 23,157 | $315.78 | $7,312,517 | 315,300 | — | |
| Aug 10, 2026 SForm 4 → | Aug 11, 5:03 pm EDT | John Graham-CummingDirector | 2,520 | $303.97 | $765,997 | 494,909 | −0.51% | 10b5-1 |
| Aug 10, 2026 MForm 4 → | Aug 11, 5:03 pm EDT | John Graham-CummingDirector | 2,520 | $44.72 | $112,694 | 497,429 | — | 10b5-1 |
| Aug 6, 2026 SForm 4 → | Aug 6, 5:23 pm EDT | Carl LedbetterDirector | 5,000 | $281.98 | $1,409,910 | 883,073 | −0.56% | 10b5-1 |
| Aug 5, 2026 SForm 4 → | Aug 5, 7:47 pm EDT | Matthew PrinceCEO & Board Co-Chair, Director, 10% Owner | 33,631 | $296.10 | $9,958,254 | 0 | −100% | 10b5-1 |
| Aug 5, 2026 CForm 4 → | Aug 5, 7:46 pm EDT | Matthew PrinceCEO & Board Co-Chair, Director, 10% Owner | 52,383 | — | — | 33,631 | — | 10b5-1 |
| Aug 4, 2026 SForm 4 → | Aug 6, 7:03 pm EDT | Thomas J SeifertChief Financial Officer | 55,000 | $300.30 | $16,516,285 | 113,790 | −32.6% | 10b5-1 |
| Aug 4, 2026 MForm 4 → | Aug 6, 7:03 pm EDT | Thomas J SeifertChief Financial Officer | 55,000 | $44.72 | $2,459,600 | 168,790 | — | 10b5-1 |
| Aug 4, 2026 SForm 4 → | Aug 5, 7:46 pm EDT | Matthew PrinceCEO & Board Co-Chair, Director, 10% Owner | 51,034 | $297.58 | $15,186,721 | 0 | −100% | 10b5-1 |
| Aug 4, 2026 SForm 4 → | Aug 5, 7:25 pm EDT | Matthew PrinceCEO & Board Co-Chair, Director, 10% Owner | 20,101 | $296.89 | $5,967,817 | 32,282 | −38.4% | 10b5-1 |
| Aug 4, 2026 CForm 4 → | Aug 5, 7:25 pm EDT | Matthew PrinceCEO & Board Co-Chair, Director, 10% Owner | 52,383 | — | — | 33,631 | — | 10b5-1 |
| Aug 3, 2026 SForm 4 → | Aug 5, 7:24 pm EDT | Matthew PrinceCEO & Board Co-Chair, Director, 10% Owner | 52,383 | $283.42 | $14,846,244 | 0 | −100% | 10b5-1 |
| Aug 3, 2026 CForm 4 → | Aug 5, 7:24 pm EDT | Matthew PrinceCEO & Board Co-Chair, Director, 10% Owner | 52,383 | — | — | 33,631 | — | 10b5-1 |
| Aug 3, 2026 SForm 4 → | Aug 4, 4:44 pm EDT | Mark J HawkinsDirector | 133 | $277.74 | $36,939 | 10,632 | −1.24% | 10b5-1 |
| Jul 17, 2026 SForm 4 → | Jul 17, 7:01 pm EDT | Thomas J SeifertChief Financial Officer | 10,000 | $276.92 | $2,769,195 | 113,790 | −8.08% | 10b5-1 |
| Jul 15, 2026 CFForm 4 → | Jul 17, 7:01 pm EDT | Thomas J SeifertChief Financial Officer | 12,943 | $281.75 | $829,190 | 123,790 | — | 10b5-1 |
| Jul 13, 2026 SForm 4 → | Jul 15, 6:59 pm EDT | Michelle ZatlynPresident and Board Co-Chair, Director | 99,064 | $276.78 | $27,419,061 | 47,425 | −67.6% | 10b5-1 |
| Jul 13, 2026 CForm 4 → | Jul 15, 6:59 pm EDT | Michelle ZatlynPresident and Board Co-Chair, Director | 99,064 | — | — | 80,428 | — | 10b5-1 |
| Jul 7, 2026 SForm 4 → | Jul 8, 5:02 pm EDT | Carl LedbetterDirector | 5,000 | $268.11 | $1,340,547 | 888,073 | −0.56% | 10b5-1 |
| Jul 6, 2026 SForm 4 → | Jul 7, 6:38 pm EDT | John Graham-CummingDirector | 2,520 | $247.28 | $623,156 | 494,909 | −0.51% | 10b5-1 |
| Jul 6, 2026 MForm 4 → | Jul 7, 6:38 pm EDT | John Graham-CummingDirector | 2,520 | $44.72 | $112,694 | 497,429 | — | 10b5-1 |
| Jul 2, 2026 SForm 4 → | Jul 6, 7:01 pm EDT | Matthew PrinceCEO & Board Co-Chair, Director, 10% Owner | 86,014 | $245.31 | $21,099,988 | 0 | −100% | 10b5-1 |
| Jul 2, 2026 CForm 4 → | Jul 6, 7:01 pm EDT | Matthew PrinceCEO & Board Co-Chair, Director, 10% Owner | 86,014 | — | — | 33,631 | — | 10b5-1 |
| Jul 1, 2026 SForm 4 → | Jul 6, 7:00 pm EDT | Matthew PrinceCEO & Board Co-Chair, Director, 10% Owner | 71,174 | $247.28 | $17,600,256 | 0 | −100% | 10b5-1 |
| Jul 1, 2026 CForm 4 → | Jul 6, 7:00 pm EDT | Matthew PrinceCEO & Board Co-Chair, Director, 10% Owner | 71,174 | — | — | 18,752 | — | 10b5-1 |
| Jul 1, 2026 SForm 4 → | Jul 2, 4:16 pm EDT | Mark J HawkinsDirector | 133 | $249.00 | $33,117 | 10,765 | −1.22% | 10b5-1 |
| Jun 30, 2026 AForm 4 → | Jul 2, 4:21 pm EDT | Carl LedbetterDirector | 842 | — | — | 20,441 | — | |
| Jun 30, 2026 AForm 4 → | Jul 2, 4:20 pm EDT | Karim LakhaniDirector | 842 | — | — | 7,548 | — | |
| Jun 30, 2026 AForm 4 → | Jul 2, 4:19 pm EDT | John Graham-CummingDirector | 842 | — | — | 494,909 | — | |
| Jun 30, 2026 AForm 4 → | Jul 2, 4:17 pm EDT | Stacey CunninghamDirector | 842 | — | — | 4,215 | — | |
| Jun 30, 2026 AForm 4 → | Jul 2, 4:16 pm EDT | Mark J HawkinsDirector | 842 | — | — | 10,898 | — | 10b5-1 |
| Jun 30, 2026 AForm 4 → | Jul 2, 4:13 pm EDT | Katrin SuderDirector | 842 | — | — | 38,272 | — | |
| Jun 30, 2026 AForm 4 → | Jul 2, 4:12 pm EDT | Scott D SandellDirector | 842 | — | — | 11,378 | — | |
| Jun 24, 2026 SForm 4 → | Jun 24, 7:40 pm EDT | Matthew PrinceCEO & Board Co-Chair, Director, 10% Owner | 52,384 | $224.30 | $11,749,771 | 0 | −100% | 10b5-1 |
| Jun 24, 2026 CForm 4 → | Jun 24, 7:40 pm EDT | Matthew PrinceCEO & Board Co-Chair, Director, 10% Owner | 52,384 | — | — | 52,384 | — | 10b5-1 |
| Jun 22, 2026 SForm 4 → | Jun 24, 7:38 pm EDT | Matthew PrinceCEO & Board Co-Chair, Director, 10% Owner | 104,768 | $221.65 | $23,221,887 | 0 | −100% | 10b5-1 |
| Jun 22, 2026 CForm 4 → | Jun 24, 7:38 pm EDT | Matthew PrinceCEO & Board Co-Chair, Director, 10% Owner | 79,218 | — | — | 52,384 | — | 10b5-1 |
| Jun 17, 2026 SForm 4 → | Jun 17, 5:56 pm EDT | Thomas J SeifertChief Financial Officer | 10,000 | $232.39 | $2,323,887 | 116,733 | −7.89% | 10b5-1 |
| Jun 16, 2026 SForm 4 → | Jun 18, 5:58 pm EDT | Michelle ZatlynPresident and Board Co-Chair, Director | 76,923 | $228.25 | $17,557,834 | 47,425 | −61.9% | 10b5-1 |
| Jun 16, 2026 CForm 4 → | Jun 18, 5:58 pm EDT | Michelle ZatlynPresident and Board Co-Chair, Director | 76,923 | — | — | 73,066 | — | 10b5-1 |
| Jun 15, 2026 CFForm 4 → | Jun 17, 5:56 pm EDT | Thomas J SeifertChief Financial Officer | 12,944 | $228.48 | $672,645 | 126,733 | — | 10b5-1 |
| Jun 15, 2026 SForm 4 → | Jun 16, 5:15 pm EDT | John Graham-CummingDirector | 2,520 | $235.95 | $594,595 | 494,067 | −0.51% | 10b5-1 |
| Jun 15, 2026 MForm 4 → | Jun 16, 5:15 pm EDT | John Graham-CummingDirector | 2,520 | $44.72 | $112,694 | 496,587 | — | 10b5-1 |
| Jun 8, 2026 SForm 4 → | Jun 8, 5:21 pm EDT | Katrin SuderDirector | 293 | $252.92 | $74,106 | 37,430 | −0.78% | 10b5-1 |
Reported at this company — derivatives (options, RSUs, warrants)
| Trade | Reported (ET) | Insider | Shares | Avg price | Total | Owned after | Δ stake | Flags |
|---|---|---|---|---|---|---|---|---|
| Sep 17, 2026 CMForm 4 → | Sep 21, 4:50 pm EDT | Thomas J SeifertChief Financial Officer | 30,000 | — | — | 8,925 | — | 10b5-1 |
| Sep 3, 2026 CMForm 4 → | Sep 8, 8:54 pm EDT | Michelle ZatlynPRESIDENT & BOARD CO-CHAIR, Director | 297,027 | — | — | 0 | — | 10b5-1 |
| Aug 19, 2026 CMForm 4 → | Aug 21, 5:28 pm EDT | Michelle ZatlynPresident and Board Co-Chair, Director | 297,027 | — | — | 0 | — | 10b5-1 |
| Aug 17, 2026 MForm 4 → | Aug 19, 5:42 pm EDT | Alissa Michelle StarzakChief Legal Officer | 3,333 | — | — | 86,666 | — | 10b5-1 |
| Aug 17, 2026 MForm 4 → | Aug 19, 5:37 pm EDT | Janel RileyChief Accounting Officer | 1,667 | — | — | 71,668 | — | 10b5-1 |
| Aug 17, 2026 CMForm 4 → | Aug 19, 5:35 pm EDT | Thomas J SeifertChief Financial Officer | 30,000 | — | — | 8,925 | — | 10b5-1 |
| Aug 10, 2026 MForm 4 → | Aug 11, 5:03 pm EDT | John Graham-CummingDirector | 2,520 | — | — | 0 | — | 10b5-1 |
| Aug 5, 2026 CForm 4 → | Aug 5, 7:46 pm EDT | Matthew PrinceCEO & Board Co-Chair, Director, 10% Owner | 52,383 | — | — | 2,750,039 | — | 10b5-1 |
| Aug 4, 2026 MForm 4 → | Aug 6, 7:03 pm EDT | Thomas J SeifertChief Financial Officer | 55,000 | — | — | 500,000 | — | 10b5-1 |
| Aug 4, 2026 CForm 4 → | Aug 5, 7:25 pm EDT | Matthew PrinceCEO & Board Co-Chair, Director, 10% Owner | 52,383 | — | — | 2,783,670 | — | 10b5-1 |
| Aug 3, 2026 CForm 4 → | Aug 5, 7:24 pm EDT | Matthew PrinceCEO & Board Co-Chair, Director, 10% Owner | 52,383 | — | — | 2,817,301 | — | 10b5-1 |
| Jul 17, 2026 CMForm 4 → | Jul 17, 7:01 pm EDT | Thomas J SeifertChief Financial Officer | 30,000 | — | — | 8,925 | — | 10b5-1 |
| Jul 13, 2026 CMForm 4 → | Jul 15, 6:59 pm EDT | Michelle ZatlynPresident and Board Co-Chair, Director | 297,192 | — | — | 0 | — | 10b5-1 |
| Jul 6, 2026 MForm 4 → | Jul 7, 6:38 pm EDT | John Graham-CummingDirector | 2,520 | — | — | 2,520 | — | 10b5-1 |
| Jul 2, 2026 CForm 4 → | Jul 6, 7:01 pm EDT | Matthew PrinceCEO & Board Co-Chair, Director, 10% Owner | 86,014 | — | — | 2,850,932 | — | 10b5-1 |
| Jul 1, 2026 CForm 4 → | Jul 6, 7:00 pm EDT | Matthew PrinceCEO & Board Co-Chair, Director, 10% Owner | 71,174 | — | — | 4,258,628 | — | 10b5-1 |
| Jun 24, 2026 CForm 4 → | Jun 24, 7:40 pm EDT | Matthew PrinceCEO & Board Co-Chair, Director, 10% Owner | 52,384 | — | — | 4,296,167 | — | 10b5-1 |
| Jun 22, 2026 CForm 4 → | Jun 24, 7:38 pm EDT | Matthew PrinceCEO & Board Co-Chair, Director, 10% Owner | 79,218 | — | — | 4,348,551 | — | 10b5-1 |
| Jun 17, 2026 CMForm 4 → | Jun 17, 5:56 pm EDT | Thomas J SeifertChief Financial Officer | 30,000 | — | — | 8,925 | — | 10b5-1 |
| Jun 16, 2026 CMForm 4 → | Jun 18, 5:58 pm EDT | Michelle ZatlynPresident and Board Co-Chair, Director | 230,769 | — | — | 0 | — | 10b5-1 |
| Jun 15, 2026 MForm 4 → | Jun 16, 5:15 pm EDT | John Graham-CummingDirector | 2,520 | — | — | 5,040 | — | 10b5-1 |