Cloudflare, Inc. (NET) Insider Trading
Directors, officers and holders of more than 10% of NET report their trades in its stock on SEC Form 4, within two business days. Each row below is one Form 4 transaction line. The one-letter code says what kind of transaction it was: only P (purchase) and S (sale) are open-market or private trades; awards, option exercises, tax withholding and gifts carry other codes.
Recent Form 4 transactions
The 50 most recent of 2,363 transactions on file: 0 with code P, 35 with code S and 15 with other codes.
| Date | Insider | Title | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Oct 19, 2026 | SEIFERT THOMAS J | Chief Financial Officer | S Sale | 1,100 | $297.29 | $327,021 |
| Oct 19, 2026 | SEIFERT THOMAS J | Chief Financial Officer | S Sale | 3,401 | $298.32 | $1,014,590 |
| Oct 19, 2026 | SEIFERT THOMAS J | Chief Financial Officer | M Exercise | 12,500 | $44.72 | $559,000 |
| Oct 19, 2026 | SEIFERT THOMAS J | Chief Financial Officer | M Exercise | 12,500 | Not measured | Not measured |
| Oct 19, 2026 | SEIFERT THOMAS J | Chief Financial Officer | S Sale | 598 | $301.99 | $180,593 |
| Oct 19, 2026 | SEIFERT THOMAS J | Chief Financial Officer | S Sale | 3,756 | $299.36 | $1,124,379 |
| Oct 19, 2026 | Ledbetter Carl | Director | S Sale | 1,931 | $303.64 | $586,321 |
| Oct 19, 2026 | SEIFERT THOMAS J | Chief Financial Officer | S Sale | 2,643 | $300.39 | $793,934 |
| Oct 19, 2026 | Ledbetter Carl | Director | S Sale | 1,106 | $305.60 | $337,990 |
| Oct 19, 2026 | SEIFERT THOMAS J | Chief Financial Officer | S Sale | 502 | $303.26 | $152,234 |
| Oct 19, 2026 | SEIFERT THOMAS J | Chief Financial Officer | S Sale | 500 | $304.15 | $152,075 |
| Oct 19, 2026 | Ledbetter Carl | Director | S Sale | 1,963 | $304.47 | $597,683 |
| Oct 15, 2026 | SEIFERT THOMAS J | Chief Financial Officer | F Tax Payment | 2,944 | $316.32 | $931,246 |
| Oct 7, 2026 | Zatlyn Michelle | President and Board Co-Chair | S Sale | 3,900 | $349.38 | $1,362,590 |
| Oct 7, 2026 | Zatlyn Michelle | President and Board Co-Chair | S Sale | 4,240 | $350.37 | $1,485,587 |
| Oct 7, 2026 | Zatlyn Michelle | President and Board Co-Chair | S Sale | 7,688 | $348.23 | $2,677,195 |
| Oct 7, 2026 | Zatlyn Michelle | President and Board Co-Chair | S Sale | 5,694 | $346.40 | $1,972,399 |
| Oct 7, 2026 | Zatlyn Michelle | President and Board Co-Chair | S Sale | 2,162 | $351.40 | $759,730 |
| Oct 7, 2026 | Zatlyn Michelle | President and Board Co-Chair | S Sale | 9,022 | $347.20 | $3,132,454 |
| Oct 7, 2026 | Zatlyn Michelle | President and Board Co-Chair | M Exercise | 33,003 | Not measured | Not measured |
| Oct 7, 2026 | Zatlyn Michelle | President and Board Co-Chair | C Conversion | 33,003 | Not measured | Not measured |
| Oct 7, 2026 | Zatlyn Michelle | President and Board Co-Chair | S Sale | 297 | $352.25 | $104,617 |
| Oct 7, 2026 | Zatlyn Michelle | President and Board Co-Chair | C Conversion | 33,003 | Not measured | Not measured |
| Oct 7, 2026 | Zatlyn Michelle | President and Board Co-Chair | M Exercise | 33,003 | Not measured | Not measured |
| Oct 6, 2026 | Zatlyn Michelle | President and Board Co-Chair | S Sale | 9,170 | $366.65 | $3,362,222 |
| Oct 6, 2026 | Zatlyn Michelle | President and Board Co-Chair | S Sale | 8,559 | $367.72 | $3,147,344 |
| Oct 6, 2026 | Zatlyn Michelle | President and Board Co-Chair | S Sale | 6,179 | $365.69 | $2,259,605 |
| Oct 6, 2026 | Zatlyn Michelle | President and Board Co-Chair | S Sale | 4,083 | $368.59 | $1,504,957 |
| Oct 6, 2026 | Zatlyn Michelle | President and Board Co-Chair | S Sale | 752 | $369.34 | $277,742 |
| Oct 6, 2026 | Zatlyn Michelle | President and Board Co-Chair | C Conversion | 33,003 | Not measured | Not measured |
| Oct 6, 2026 | Zatlyn Michelle | President and Board Co-Chair | M Exercise | 33,003 | Not measured | Not measured |
| Oct 6, 2026 | Zatlyn Michelle | President and Board Co-Chair | C Conversion | 33,003 | Not measured | Not measured |
| Oct 6, 2026 | Zatlyn Michelle | President and Board Co-Chair | S Sale | 4,260 | $364.39 | $1,552,312 |
| Oct 6, 2026 | Zatlyn Michelle | President and Board Co-Chair | M Exercise | 33,003 | Not measured | Not measured |
| Oct 5, 2026 | Zatlyn Michelle | President and Board Co-Chair | S Sale | 2,823 | $354.32 | $1,000,240 |
| Oct 5, 2026 | Zatlyn Michelle | President and Board Co-Chair | S Sale | 6,136 | $355.45 | $2,181,050 |
| Oct 5, 2026 | Zatlyn Michelle | President and Board Co-Chair | C Conversion | 33,003 | Not measured | Not measured |
| Oct 5, 2026 | Zatlyn Michelle | President and Board Co-Chair | S Sale | 5,892 | $353.35 | $2,081,917 |
| Oct 5, 2026 | Zatlyn Michelle | President and Board Co-Chair | S Sale | 157 | $356.05 | $55,900 |
| Oct 5, 2026 | Zatlyn Michelle | President and Board Co-Chair | S Sale | 2,683 | $350.09 | $939,288 |
| Oct 5, 2026 | Zatlyn Michelle | President and Board Co-Chair | S Sale | 4,829 | $351.30 | $1,696,451 |
| Oct 5, 2026 | Zatlyn Michelle | President and Board Co-Chair | S Sale | 6,864 | $352.39 | $2,418,779 |
| Oct 5, 2026 | Zatlyn Michelle | President and Board Co-Chair | M Exercise | 33,003 | Not measured | Not measured |
| Oct 5, 2026 | Zatlyn Michelle | President and Board Co-Chair | M Exercise | 33,003 | Not measured | Not measured |
| Oct 5, 2026 | Zatlyn Michelle | President and Board Co-Chair | S Sale | 3,619 | $349.07 | $1,263,280 |
| Oct 5, 2026 | Zatlyn Michelle | President and Board Co-Chair | C Conversion | 33,003 | Not measured | Not measured |
| Sep 22, 2026 | Ledbetter Carl | Director | S Sale | 5,000 | $353.15 | $1,765,751 |
| Sep 17, 2026 | SEIFERT THOMAS J | Chief Financial Officer | S Sale | 1,196 | $331.59 | $396,581 |
| Sep 17, 2026 | SEIFERT THOMAS J | Chief Financial Officer | S Sale | 1,868 | $334.59 | $625,015 |
| Sep 17, 2026 | SEIFERT THOMAS J | Chief Financial Officer | S Sale | 600 | $335.32 | $201,192 |
The full Form 4 history is on the NET company page (Insider Trades card, View all).
Questions about this data
Which insider transactions are open-market trades?
Code P (open market or private purchase) and code S (open market or private sale). Code F is shares withheld to pay tax on vesting stock, A is an award from the company, M and X are option exercises and G is a gift. None of those is the insider choosing to buy or sell in the market.
How quickly are insider trades reported?
A Form 4 is due before the end of the second business day after the trade. The date shown is the transaction date from the form.
Who has to file Form 4?
Officers, directors and beneficial owners of more than 10% of a class of the company’s registered equity, under Section 16 of the Securities Exchange Act.
Look up any code in the Form 4 transaction code reference, or read Form 4 codes explained.