NET Cloudflare, Inc.
Cloudflare, Inc. (NET) Insider Activity
What the officers, directors and large holders did with their own shares. Only open-market purchases and sales count toward the totals — grants, option exercises and shares withheld for tax are compensation mechanics, not decisions, and they're listed separately below.
How much of that selling was preplanned? 100% planned / 0% discretionary
Largest single sale: $16.2M.
Where they traded
No open-market insider purchase on record.
Recent open-market activity
| Date | Insider | Role | Action | Shares | Price | Value | Held after |
|---|---|---|---|---|---|---|---|
| Zatlyn Michelle 7 fills | PRESIDENT & BOARD CO-CHAIR | Sell 10b5-1 | 33,003 | $277.43 | $9.2M | 101,065 −24.6% of holding | |
| Zatlyn Michelle 4 fills | PRESIDENT & BOARD CO-CHAIR | Sell 10b5-1 | 33,003 | $281.67 | $9.3M | 100,025 −24.8% of holding | |
| Zatlyn Michelle 6 fills | PRESIDENT & BOARD CO-CHAIR | Sell 10b5-1 | 33,003 | $278.92 | $9.2M | 95,575 −25.7% of holding | |
| Zatlyn Michelle 8 fills | President and Board Co-Chair | Sell 10b5-1 | 33,003 | $277.43 | $9.2M | 100,572 −24.7% of holding | |
| Zatlyn Michelle 8 fills | President and Board Co-Chair | Sell 10b5-1 | 33,003 | $285.06 | $9.4M | 95,771 −25.6% of holding | |
| Zatlyn Michelle 10 fills | President and Board Co-Chair | Sell 10b5-1 | 33,003 | $294.63 | $9.7M | 98,480 −25.1% of holding | |
| Riley Janel 5 fills | Chief Accounting Officer | Sell 10b5-1 | 3,481 | $305.26 | $1.1M | 44,761 −7.2% of holding | |
| Starzak Alissa Michelle | Chief Legal Officer | Sell 10b5-1 | 2,538 | $304.68 | $773.3K | 112,082 −2.2% of holding | |
| SEIFERT THOMAS J 7 fills | Chief Financial Officer | Sell 10b5-1 | 10,000 | $307.32 | $3.1M | 119,946 −7.7% of holding | |
| Starzak Alissa Michelle 7 fills | Chief Legal Officer | Sell 10b5-1 | 3,333 | $310.15 | $1.0M | 116,988 −2.8% of holding | |
| Riley Janel 7 fills | Chief Accounting Officer | Sell 10b5-1 | 1,667 | $310.36 | $517.4K | 46,300 −3.5% of holding | |
| Graham-Cumming John 17 fills | Director | Sell 10b5-1 | 2,520 | $303.97 | $766.0K | 497,365 −0.5% of holding | |
| Ledbetter Carl 4 fills | Director | Sell 10b5-1 | 5,000 | $281.98 | $1.4M | 887,773 −0.6% of holding | |
| Prince Matthew 24 fills | CEO & Board Co-Chair | Sell 10b5-1 | 52,383 | $296.10 | $15.5M | 31,279 −62.6% of holding | |
| SEIFERT THOMAS J 2 fills | Chief Financial Officer | Sell 10b5-1 | 55,000 | $300.30 | $16.5M | 114,929 −32.4% of holding | |
| Prince Matthew 44 fills | CEO & Board Co-Chair | Sell 10b5-1 | 52,383 | $297.84 | $15.6M | 33,296 −61.1% of holding | |
| Prince Matthew 19 fills | CEO & Board Co-Chair | Sell 10b5-1 | 52,383 | $283.42 | $14.8M | 33,143 −61.2% of holding | |
| Hawkins Mark J | Director | Sell 10b5-1 | 133 | $277.74 | $36.9K | 10,632 −1.2% of holding | |
| SEIFERT THOMAS J 10 fills | Chief Financial Officer | Sell 10b5-1 | 10,000 | $276.92 | $2.8M | 123,590 −7.5% of holding | |
| Zatlyn Michelle 7 fills | President and Board Co-Chair | Sell 10b5-1 | 33,003 | $286.48 | $9.5M | 77,171 −30% of holding | |
| Zatlyn Michelle 13 fills | President and Board Co-Chair | Sell 10b5-1 | 33,003 | $278.09 | $9.2M | 79,182 −29.4% of holding | |
| Zatlyn Michelle 6 fills | President and Board Co-Chair | Sell 10b5-1 | 33,058 | $265.79 | $8.8M | 72,552 −31.3% of holding | |
| Ledbetter Carl | Director | Sell 10b5-1 | 5,000 | $268.11 | $1.3M | 888,073 −0.6% of holding | |
| Prince Matthew 14 fills | CEO & Board Co-Chair | Sell 10b5-1 | 52,383 | $247.28 | $13.0M | 33,343 −61.1% of holding | |
| Graham-Cumming John 6 fills | Director | Sell 10b5-1 | 2,520 | $247.28 | $623.2K | 497,291 −0.5% of holding | |
| Prince Matthew 18 fills | CEO & Board Co-Chair | Sell 10b5-1 | 52,383 | $242.24 | $12.7M | 28,922 −64.4% of holding | |
| Prince Matthew 16 fills | CEO & Board Co-Chair | Sell 10b5-1 | 52,422 | $249.09 | $13.1M | 33,093 −61.3% of holding | |
| Hawkins Mark J | Director | Sell 10b5-1 | 133 | $249.00 | $33.1K | 10,765 −1.2% of holding | |
| Prince Matthew 8 fills | CEO & Board Co-Chair | Sell 10b5-1 | 52,384 | $224.30 | $11.7M | 49,501 −51.4% of holding | |
| Prince Matthew 15 fills | CEO & Board Co-Chair | Sell 10b5-1 | 52,384 | $225.39 | $11.8M | 51,989 −50.2% of holding | |
| Prince Matthew 13 fills | CEO & Board Co-Chair | Sell 10b5-1 | 52,384 | $217.91 | $11.4M | 48,394 −52% of holding | |
| Zatlyn Michelle 8 fills | President and Board Co-Chair | Sell 10b5-1 | 25,641 | $219.11 | $5.6M | 68,416 −27.3% of holding | |
| Zatlyn Michelle 7 fills | President and Board Co-Chair | Sell 10b5-1 | 25,641 | $232.66 | $6.0M | 69,591 −26.9% of holding | |
| SEIFERT THOMAS J 8 fills | Chief Financial Officer | Sell 10b5-1 | 10,000 | $232.39 | $2.3M | 125,833 −7.4% of holding | |
| Zatlyn Michelle 8 fills | President and Board Co-Chair | Sell 10b5-1 | 25,641 | $232.98 | $6.0M | 69,345 −27% of holding | |
| Graham-Cumming John 7 fills | Director | Sell 10b5-1 | 2,520 | $235.95 | $594.6K | 496,543 −0.5% of holding |
Form 4s are due within two business days of a transaction, so this is close to real time — unlike the quarterly 13F data on the Institutional tab. A single large sale often reflects a prearranged 10b5-1 plan rather than a fresh view, so read a pattern of sales rather than any one of them.