Transactions
176
Insider / Cloudflare, Inc.
SEIFERT THOMAS J
Chief Financial Officer at Cloudflare, Inc.
- Company
- Cloudflare, Inc.
- Ticker
- NET
- First filing on record
- October 20, 2025
- Latest trade on record
- October 19, 2026
- SEC filings
- EDGAR ↗
SEIFERT THOMAS J, Chief Financial Officer at Cloudflare, Inc., has disclosed 176 transactions in NET since October 20, 2025: 0 purchases (0 open-market buys) and 123 sales, worth about $78.4M at the reported prices. The latest was filed October 19, 2026, 0 days after the trade; 1 filing was late against the 2-business-day Form 4 deadline.
Open-market buys
0
Sales
123
Avg. disclosure lag
1.6d
Trading in charts
Trade timeline
When does this person trade, how big, and in which direction? Every trade in the last 12 months.
Bought (above the line)Sold (below the line)Other transaction
In the last 12 months SEIFERT THOMAS J made no purchases and 118 sales worth $73M, plus 49 other transactions. Dot size is the dollar amount.
Portfolio mix
Which stocks does this person trade most? Tile size is dollars traded, all time on record.
SEIFERT THOMAS J has traded 1 stock on record; the largest by dollars is NET.
Reporting lag
Does this person report on time? One bar per filing against the Form 4 deadline.
On timeLate
1 of 19 filings on record were reported after the Form 4 deadline (two business days, counted here as 4 calendar days).
What kind of transactions
Most Form 4 rows are pay arriving or tax being withheld, not a decision to buy or sell. Only code P is an open-market purchase and code S an open-market sale. What each code means: Form 4 transaction codes.
| Code | Meaning | Rows | Shares | Value |
|---|---|---|---|---|
| S | Open-market sale | 113 | 250,953 | $59.6M |
| M | Option exercise or conversion | 28 | 375,682 | $3.0M |
| C | Conversion of a derivative | 24 | 240,682 | — |
| F | Shares withheld for tax | 10 | 71,226 | $15.7M |
| A | Grant or award | 1 | 142,116 | — |
| Year | Rows | Bought | Sold |
|---|---|---|---|
| 2026 | 140 | 0 | 99 · $58.8M |
| 2025 | 36 | 0 | 24 · $16.5M |
Transactions
| Security | Side | Trade date | Disclosed | Lag | Shares | Price | Value | Flags | Source | Share |
|---|---|---|---|---|---|---|---|---|---|---|
| NET | Option / conversion M | October 19, 2026 | October 19, 2026 | 0d | 12,500 | — | — | 10b5-1 planderivative | Form 4 ↗ | |
| NET | Sell S | October 19, 2026 | October 19, 2026 | 0d | 500 | $304 | $152K | 10b5-1 plan | Form 4 ↗ | |
| NET | Sell S | October 19, 2026 | October 19, 2026 | 0d | 502 | $303 | $152K | 10b5-1 plan | Form 4 ↗ | |
| NET | Sell S | October 19, 2026 | October 19, 2026 | 0d | 598 | $302 | $181K | 10b5-1 plan | Form 4 ↗ | |
| NET | Sell S | October 19, 2026 | October 19, 2026 | 0d | 2,643 | $300 | $794K | 10b5-1 plan | Form 4 ↗ | |
| NET | Sell S | October 19, 2026 | October 19, 2026 | 0d | 3,756 | $299 | $1.1M | 10b5-1 plan | Form 4 ↗ | |
| NET | Sell S | October 19, 2026 | October 19, 2026 | 0d | 3,401 | $298 | $1.0M | 10b5-1 plan | Form 4 ↗ | |
| NET | Sell S | October 19, 2026 | October 19, 2026 | 0d | 1,100 | $297 | $327K | 10b5-1 plan | Form 4 ↗ | |
| NET | Option / conversion M | October 19, 2026 | October 19, 2026 | 0d | 12,500 | $45 | $559K | 10b5-1 plan | Form 4 ↗ | |
| NET | Sell F | October 15, 2026 | October 19, 2026 | 4d | 2,944 | $316 | $931K | 10b5-1 plan | Form 4 ↗ | |
| NET | Exchange C | September 17, 2026 | September 21, 2026 | 4d | 10,000 | — | — | 10b5-1 planderivative | Form 4 ↗ | |
| NET | Option / conversion M | September 17, 2026 | September 21, 2026 | 4d | 10,000 | — | — | 10b5-1 planderivative | Form 4 ↗ | |
| NET | Option / conversion M | September 17, 2026 | September 21, 2026 | 4d | 10,000 | — | — | 10b5-1 planderivative | Form 4 ↗ | |
| NET | Sell S | September 17, 2026 | September 21, 2026 | 4d | 100 | $337 | $34K | 10b5-1 plan | Form 4 ↗ | |
| NET | Sell S | September 17, 2026 | September 21, 2026 | 4d | 600 | $335 | $201K | 10b5-1 plan | Form 4 ↗ | |
| NET | Sell S | September 17, 2026 | September 21, 2026 | 4d | 1,868 | $335 | $625K | 10b5-1 plan | Form 4 ↗ | |
| NET | Sell S | September 17, 2026 | September 21, 2026 | 4d | 2,632 | $334 | $878K | 10b5-1 plan | Form 4 ↗ | |
| NET | Sell S | September 17, 2026 | September 21, 2026 | 4d | 1,604 | $333 | $533K | 10b5-1 plan | Form 4 ↗ | |
| NET | Sell S | September 17, 2026 | September 21, 2026 | 4d | 1,196 | $332 | $397K | 10b5-1 plan | Form 4 ↗ | |
| NET | Sell S | September 17, 2026 | September 21, 2026 | 4d | 700 | $330 | $231K | 10b5-1 plan | Form 4 ↗ | |
| NET | Sell S | September 17, 2026 | September 21, 2026 | 4d | 700 | $329 | $231K | 10b5-1 plan | Form 4 ↗ | |
| NET | Sell S | September 17, 2026 | September 21, 2026 | 4d | 300 | $328 | $98K | 10b5-1 plan | Form 4 ↗ | |
| NET | Sell S | September 17, 2026 | September 21, 2026 | 4d | 100 | $327 | $33K | 10b5-1 plan | Form 4 ↗ | |
| NET | Sell S | September 17, 2026 | September 21, 2026 | 4d | 100 | $321 | $32K | 10b5-1 plan | Form 4 ↗ | |
| NET | Sell S | September 17, 2026 | September 21, 2026 | 4d | 100 | $319 | $32K | 10b5-1 plan | Form 4 ↗ | |
| NET | Exchange C | September 17, 2026 | September 21, 2026 | 4d | 10,000 | — | — | 10b5-1 plan | Form 4 ↗ | |
| NET | Sell F | September 15, 2026 | September 15, 2026 | 0d | 2,944 | $327 | $963K | Form 4 ↗ | ||
| NET | Exchange C | August 17, 2026 | August 19, 2026 | 2d | 10,000 | — | — | 10b5-1 planderivative | Form 4 ↗ | |
| NET | Option / conversion M | August 17, 2026 | August 19, 2026 | 2d | 10,000 | — | — | 10b5-1 planderivative | Form 4 ↗ | |
| NET | Option / conversion M | August 17, 2026 | August 19, 2026 | 2d | 10,000 | — | — | 10b5-1 planderivative | Form 4 ↗ | |
| NET | Sell S | August 17, 2026 | August 19, 2026 | 2d | 100 | $315 | $31K | 10b5-1 plan | Form 4 ↗ | |
| NET | Sell S | August 17, 2026 | August 19, 2026 | 2d | 200 | $312 | $62K | 10b5-1 plan | Form 4 ↗ | |
| NET | Sell S | August 17, 2026 | August 19, 2026 | 2d | 300 | $309 | $93K | 10b5-1 plan | Form 4 ↗ | |
| NET | Sell S | August 17, 2026 | August 19, 2026 | 2d | 3,100 | $308 | $956K | 10b5-1 plan | Form 4 ↗ | |
| NET | Sell S | August 17, 2026 | August 19, 2026 | 2d | 2,456 | $307 | $755K | 10b5-1 plan | Form 4 ↗ | |
| NET | Sell S | August 17, 2026 | August 19, 2026 | 2d | 2,944 | $306 | $902K | 10b5-1 plan | Form 4 ↗ | |
| NET | Sell S | August 17, 2026 | August 19, 2026 | 2d | 900 | $305 | $275K | 10b5-1 plan | Form 4 ↗ | |
| NET | Exchange C | August 17, 2026 | August 19, 2026 | 2d | 10,000 | — | — | 10b5-1 plan | Form 4 ↗ | |
| NET | Sell F | August 15, 2026 | August 18, 2026 | 3d | 2,944 | $316 | $930K | Form 4 ↗ | ||
| NET | Option / conversion M | August 4, 2026 | August 6, 2026 | 2d | 55,000 | — | — | 10b5-1 planderivative | Form 4 ↗ | |
| NET | Sell S | August 4, 2026 | August 6, 2026 | 2d | 1,139 | $301 | $343K | 10b5-1 plan | Form 4 ↗ | |
| NET | Sell S | August 4, 2026 | August 6, 2026 | 2d | 53,861 | $300 | $16.2M | 10b5-1 plan | Form 4 ↗ | |
| NET | Option / conversion M | August 4, 2026 | August 6, 2026 | 2d | 55,000 | $45 | $2.5M | 10b5-1 plan | Form 4 ↗ | |
| NET | Exchange C | July 17, 2026 | July 17, 2026 | 0d | 10,000 | — | — | 10b5-1 planderivative | Form 4 ↗ | |
| NET | Option / conversion M | July 17, 2026 | July 17, 2026 | 0d | 10,000 | — | — | 10b5-1 planderivative | Form 4 ↗ | |
| NET | Option / conversion M | July 17, 2026 | July 17, 2026 | 0d | 10,000 | — | — | 10b5-1 planderivative | Form 4 ↗ | |
| NET | Sell S | July 17, 2026 | July 17, 2026 | 0d | 300 | $281 | $84K | 10b5-1 plan | Form 4 ↗ | |
| NET | Sell S | July 17, 2026 | July 17, 2026 | 0d | 800 | $280 | $224K | 10b5-1 plan | Form 4 ↗ | |
| NET | Sell S | July 17, 2026 | July 17, 2026 | 0d | 1,201 | $279 | $335K | 10b5-1 plan | Form 4 ↗ | |
| NET | Sell S | July 17, 2026 | July 17, 2026 | 0d | 3,299 | $278 | $916K | 10b5-1 plan | Form 4 ↗ | |
| NET | Sell S | July 17, 2026 | July 17, 2026 | 0d | 1,741 | $277 | $482K | 10b5-1 plan | Form 4 ↗ | |
| NET | Sell S | July 17, 2026 | July 17, 2026 | 0d | 1,559 | $276 | $430K | 10b5-1 plan | Form 4 ↗ | |
| NET | Sell S | July 17, 2026 | July 17, 2026 | 0d | 500 | $275 | $137K | 10b5-1 plan | Form 4 ↗ | |
| NET | Sell S | July 17, 2026 | July 17, 2026 | 0d | 300 | $271 | $81K | 10b5-1 plan | Form 4 ↗ | |
| NET | Sell S | July 17, 2026 | July 17, 2026 | 0d | 100 | $268 | $27K | 10b5-1 plan | Form 4 ↗ | |
| NET | Sell S | July 17, 2026 | July 17, 2026 | 0d | 200 | $266 | $53K | 10b5-1 plan | Form 4 ↗ | |
| NET | Exchange C | July 17, 2026 | July 17, 2026 | 0d | 10,000 | — | — | 10b5-1 plan | Form 4 ↗ | |
| NET | Sell F | July 15, 2026 | July 17, 2026 | 2d | 2,943 | $282 | $829K | 10b5-1 plan | Form 4 ↗ | |
| NET | Exchange C | June 17, 2026 | June 17, 2026 | 0d | 10,000 | — | — | 10b5-1 planderivative | Form 4 ↗ | |
| NET | Option / conversion M | June 17, 2026 | June 17, 2026 | 0d | 10,000 | — | — | 10b5-1 planderivative | Form 4 ↗ | |
| NET | Option / conversion M | June 17, 2026 | June 17, 2026 | 0d | 10,000 | — | — | 10b5-1 planderivative | Form 4 ↗ | |
| NET | Sell S | June 17, 2026 | June 17, 2026 | 0d | 600 | $235 | $141K | 10b5-1 plan | Form 4 ↗ | |
| NET | Sell S | June 17, 2026 | June 17, 2026 | 0d | 2,633 | $234 | $617K | 10b5-1 plan | Form 4 ↗ | |
| NET | Sell S | June 17, 2026 | June 17, 2026 | 0d | 3,167 | $233 | $739K | 10b5-1 plan | Form 4 ↗ | |
| NET | Sell S | June 17, 2026 | June 17, 2026 | 0d | 600 | $232 | $139K | 10b5-1 plan | Form 4 ↗ | |
| NET | Sell S | June 17, 2026 | June 17, 2026 | 0d | 685 | $231 | $158K | 10b5-1 plan | Form 4 ↗ | |
| NET | Sell S | June 17, 2026 | June 17, 2026 | 0d | 515 | $230 | $118K | 10b5-1 plan | Form 4 ↗ | |
| NET | Sell S | June 17, 2026 | June 17, 2026 | 0d | 900 | $229 | $206K | 10b5-1 plan | Form 4 ↗ | |
| NET | Sell S | June 17, 2026 | June 17, 2026 | 0d | 900 | $228 | $205K | 10b5-1 plan | Form 4 ↗ | |
| NET | Exchange C | June 17, 2026 | June 17, 2026 | 0d | 10,000 | — | — | 10b5-1 plan | Form 4 ↗ | |
| NET | Sell F | June 15, 2026 | June 17, 2026 | 2d | 2,944 | $228 | $673K | 10b5-1 plan | Form 4 ↗ | |
| NET | Exchange C | May 18, 2026 | May 19, 2026 | 1d | 10,000 | — | — | 10b5-1 planderivative | Form 4 ↗ | |
| NET | Option / conversion M | May 18, 2026 | May 19, 2026 | 1d | 10,000 | — | — | 10b5-1 planderivative | Form 4 ↗ | |
| NET | Option / conversion M | May 18, 2026 | May 19, 2026 | 1d | 10,000 | — | — | 10b5-1 planderivative | Form 4 ↗ | |
| NET | Sell S | May 18, 2026 | May 19, 2026 | 1d | 270 | $203 | $55K | 10b5-1 plan | Form 4 ↗ | |
| NET | Sell S | May 18, 2026 | May 19, 2026 | 1d | 2,000 | $202 | $404K | 10b5-1 plan | Form 4 ↗ | |
| NET | Sell S | May 18, 2026 | May 19, 2026 | 1d | 3,570 | $201 | $718K | 10b5-1 plan | Form 4 ↗ | |
| NET | Sell S | May 18, 2026 | May 19, 2026 | 1d | 2,432 | $200 | $487K | 10b5-1 plan | Form 4 ↗ | |
| NET | Sell S | May 18, 2026 | May 19, 2026 | 1d | 928 | $199 | $185K | 10b5-1 plan | Form 4 ↗ | |
| NET | Sell S | May 18, 2026 | May 19, 2026 | 1d | 400 | $198 | $79K | 10b5-1 plan | Form 4 ↗ | |
| NET | Sell S | May 18, 2026 | May 19, 2026 | 1d | 300 | $195 | $59K | 10b5-1 plan | Form 4 ↗ | |
| NET | Sell S | May 18, 2026 | May 19, 2026 | 1d | 100 | $193 | $19K | 10b5-1 plan | Form 4 ↗ | |
| NET | Exchange C | May 18, 2026 | May 19, 2026 | 1d | 10,000 | — | — | 10b5-1 plan | Form 4 ↗ | |
| NET | Sell F | May 15, 2026 | May 19, 2026 | 4d | 9,667 | $200 | $1.9M | 10b5-1 plan | Form 4 ↗ | |
| NET | Exchange C | April 17, 2026 | April 17, 2026 | 0d | 10,000 | — | — | 10b5-1 planderivative | Form 4 ↗ | |
| NET | Option / conversion M | April 17, 2026 | April 17, 2026 | 0d | 10,000 | — | — | 10b5-1 planderivative | Form 4 ↗ | |
| NET | Option / conversion M | April 17, 2026 | April 17, 2026 | 0d | 10,000 | — | — | 10b5-1 planderivative | Form 4 ↗ | |
| NET | Sell S | April 17, 2026 | April 17, 2026 | 0d | 400 | $201 | $80K | 10b5-1 plan | Form 4 ↗ | |
| NET | Sell S | April 17, 2026 | April 17, 2026 | 0d | 2,725 | $201 | $546K | 10b5-1 plan | Form 4 ↗ | |
| NET | Sell S | April 17, 2026 | April 17, 2026 | 0d | 1,475 | $199 | $294K | 10b5-1 plan | Form 4 ↗ | |
| NET | Sell S | April 17, 2026 | April 17, 2026 | 0d | 600 | $198 | $119K | 10b5-1 plan | Form 4 ↗ | |
| NET | Sell S | April 17, 2026 | April 17, 2026 | 0d | 1,000 | $197 | $197K | 10b5-1 plan | Form 4 ↗ | |
| NET | Sell S | April 17, 2026 | April 17, 2026 | 0d | 1,724 | $196 | $338K | 10b5-1 plan | Form 4 ↗ | |
| NET | Sell S | April 17, 2026 | April 17, 2026 | 0d | 2,076 | $195 | $405K | 10b5-1 plan | Form 4 ↗ | |
| NET | Exchange C | April 17, 2026 | April 17, 2026 | 0d | 10,000 | — | — | 10b5-1 plan | Form 4 ↗ | |
| NET | Sell F | April 15, 2026 | April 17, 2026 | 2d | 2,944 | $179 | $526K | 10b5-1 plan | Form 4 ↗ | |
| NET | Exchange C | March 17, 2026 | March 17, 2026 | 0d | 10,341 | — | — | 10b5-1 planderivative | Form 4 ↗ | |
| NET | Option / conversion M | March 17, 2026 | March 17, 2026 | 0d | 10,341 | — | — | 10b5-1 planderivative | Form 4 ↗ | |
| NET | Option / conversion M | March 17, 2026 | March 17, 2026 | 0d | 10,341 | — | — | 10b5-1 planderivative | Form 4 ↗ | |
| NET | Sell S | March 17, 2026 | March 17, 2026 | 0d | 2,000 | $213 | $426K | 10b5-1 plan | Form 4 ↗ | |
| NET | Sell S | March 17, 2026 | March 17, 2026 | 0d | 5,000 | $213 | $1.1M | 10b5-1 plan | Form 4 ↗ | |
| NET | Sell S | March 17, 2026 | March 17, 2026 | 0d | 3,041 | $212 | $644K | 10b5-1 plan | Form 4 ↗ | |
| NET | Sell S | March 17, 2026 | March 17, 2026 | 0d | 100 | $209 | $21K | 10b5-1 plan | Form 4 ↗ | |
| NET | Sell S | March 17, 2026 | March 17, 2026 | 0d | 200 | $208 | $42K | 10b5-1 plan | Form 4 ↗ | |
| NET | Exchange C | March 17, 2026 | March 17, 2026 | 0d | 10,341 | — | — | 10b5-1 plan | Form 4 ↗ | |
| NET | Sell F | March 15, 2026 | March 17, 2026 | 2d | 2,943 | $212 | $625K | 10b5-1 plan | Form 4 ↗ | |
| NET | Other A | February 6, 2026 | March 13, 2026 | 35d | 142,116 | — | — | late | Form 4 ↗ | |
| NET | Exchange C | February 20, 2026 | February 24, 2026 | 4d | 10,000 | — | — | 10b5-1 planderivative | Form 4 ↗ | |
| NET | Option / conversion M | February 20, 2026 | February 24, 2026 | 4d | 10,000 | — | — | 10b5-1 planderivative | Form 4 ↗ | |
| NET | Option / conversion M | February 20, 2026 | February 24, 2026 | 4d | 10,000 | — | — | 10b5-1 planderivative | Form 4 ↗ | |
| NET | Sell S | February 20, 2026 | February 24, 2026 | 4d | 100 | $195 | $20K | 10b5-1 plan | Form 4 ↗ | |
| NET | Sell S | February 20, 2026 | February 24, 2026 | 4d | 395 | $194 | $77K | 10b5-1 plan | Form 4 ↗ | |
| NET | Sell S | February 20, 2026 | February 24, 2026 | 4d | 2,766 | $193 | $534K | 10b5-1 plan | Form 4 ↗ | |
| NET | Sell S | February 20, 2026 | February 24, 2026 | 4d | 4,771 | $192 | $917K | 10b5-1 plan | Form 4 ↗ | |
| NET | Sell S | February 20, 2026 | February 24, 2026 | 4d | 8,133 | $191 | $1.6M | 10b5-1 plan | Form 4 ↗ | |
| NET | Sell S | February 20, 2026 | February 24, 2026 | 4d | 2,613 | $190 | $497K | 10b5-1 plan | Form 4 ↗ | |
| NET | Sell S | February 20, 2026 | February 24, 2026 | 4d | 300 | $189 | $57K | 10b5-1 plan | Form 4 ↗ | |
| NET | Sell S | February 20, 2026 | February 24, 2026 | 4d | 200 | $187 | $37K | 10b5-1 plan | Form 4 ↗ | |
| NET | Sell S | February 20, 2026 | February 24, 2026 | 4d | 500 | $186 | $93K | 10b5-1 plan | Form 4 ↗ | |
| NET | Sell S | February 20, 2026 | February 24, 2026 | 4d | 700 | $185 | $130K | 10b5-1 plan | Form 4 ↗ | |
| NET | Sell S | February 20, 2026 | February 24, 2026 | 4d | 1,000 | $184 | $184K | 10b5-1 plan | Form 4 ↗ | |
| NET | Sell S | February 20, 2026 | February 24, 2026 | 4d | 1,300 | $183 | $237K | 10b5-1 plan | Form 4 ↗ | |
| NET | Sell S | February 20, 2026 | February 24, 2026 | 4d | 1,500 | $182 | $273K | 10b5-1 plan | Form 4 ↗ | |
| NET | Sell S | February 20, 2026 | February 24, 2026 | 4d | 1,900 | $181 | $343K | 10b5-1 plan | Form 4 ↗ | |
| NET | Sell S | February 20, 2026 | February 24, 2026 | 4d | 2,400 | $180 | $431K | 10b5-1 plan | Form 4 ↗ | |
| NET | Sell S | February 20, 2026 | February 24, 2026 | 4d | 4,700 | $179 | $839K | 10b5-1 plan | Form 4 ↗ | |
| NET | Sell S | February 20, 2026 | February 24, 2026 | 4d | 8,279 | $177 | $1.5M | 10b5-1 plan | Form 4 ↗ | |
| NET | Exchange C | February 20, 2026 | February 24, 2026 | 4d | 10,000 | — | — | 10b5-1 plan | Form 4 ↗ | |
| NET | Sell F | February 15, 2026 | February 18, 2026 | 3d | 20,477 | $196 | $4.0M | Form 4 ↗ | ||
| NET | Exchange C | January 20, 2026 | January 21, 2026 | 1d | 10,000 | — | — | 10b5-1 planderivative | Form 4 ↗ | |
| NET | Option / conversion M | January 20, 2026 | January 21, 2026 | 1d | 10,000 | — | — | 10b5-1 planderivative | Form 4 ↗ | |
| NET | Option / conversion M | January 20, 2026 | January 21, 2026 | 1d | 10,000 | — | — | 10b5-1 planderivative | Form 4 ↗ | |
| NET | Sell S | January 20, 2026 | January 21, 2026 | 1d | 100 | $182 | $18K | 10b5-1 plan | Form 4 ↗ | |
| NET | Sell S | January 20, 2026 | January 21, 2026 | 1d | 600 | $181 | $109K | 10b5-1 plan | Form 4 ↗ | |
| NET | Sell S | January 20, 2026 | January 21, 2026 | 1d | 1,900 | $180 | $342K | 10b5-1 plan | Form 4 ↗ | |
| NET | Sell S | January 20, 2026 | January 21, 2026 | 1d | 1,200 | $179 | $215K | 10b5-1 plan | Form 4 ↗ | |
| NET | Sell S | January 20, 2026 | January 21, 2026 | 1d | 1,800 | $178 | $321K | 10b5-1 plan | Form 4 ↗ | |
| NET | Sell S | January 20, 2026 | January 21, 2026 | 1d | 3,472 | $177 | $615K | 10b5-1 plan | Form 4 ↗ | |
| NET | Sell S | January 20, 2026 | January 21, 2026 | 1d | 928 | $176 | $164K | 10b5-1 plan | Form 4 ↗ | |
| NET | Exchange C | January 20, 2026 | January 21, 2026 | 1d | 10,000 | — | — | 10b5-1 plan | Form 4 ↗ | |
| NET | Exchange C | December 22, 2025 | December 23, 2025 | 1d | 10,000 | — | — | 10b5-1 planderivative | Form 4 ↗ | |
| NET | Option / conversion M | December 22, 2025 | December 23, 2025 | 1d | 10,000 | — | — | 10b5-1 planderivative | Form 4 ↗ | |
| NET | Option / conversion M | December 22, 2025 | December 23, 2025 | 1d | 10,000 | — | — | 10b5-1 planderivative | Form 4 ↗ | |
| NET | Sell S | December 22, 2025 | December 23, 2025 | 1d | 483 | $203 | $98K | 10b5-1 plan | Form 4 ↗ | |
| NET | Sell S | December 22, 2025 | December 23, 2025 | 1d | 3,328 | $202 | $673K | 10b5-1 plan | Form 4 ↗ | |
| NET | Sell S | December 22, 2025 | December 23, 2025 | 1d | 4,836 | $202 | $975K | 10b5-1 plan | Form 4 ↗ | |
| NET | Sell S | December 22, 2025 | December 23, 2025 | 1d | 1,000 | $201 | $201K | 10b5-1 plan | Form 4 ↗ | |
| NET | Sell S | December 22, 2025 | December 23, 2025 | 1d | 353 | $199 | $70K | 10b5-1 plan | Form 4 ↗ | |
| NET | Exchange C | December 22, 2025 | December 23, 2025 | 1d | 10,000 | — | — | 10b5-1 plan | Form 4 ↗ | |
| NET | Exchange C | November 20, 2025 | November 21, 2025 | 1d | 10,000 | — | — | 10b5-1 planderivative | Form 4 ↗ | |
| NET | Option / conversion M | November 20, 2025 | November 21, 2025 | 1d | 10,000 | — | — | 10b5-1 planderivative | Form 4 ↗ | |
| NET | Option / conversion M | November 20, 2025 | November 21, 2025 | 1d | 10,000 | — | — | 10b5-1 planderivative | Form 4 ↗ | |
| NET | Sell S | November 20, 2025 | November 21, 2025 | 1d | 100 | $203 | $20K | 10b5-1 plan | Form 4 ↗ | |
| NET | Sell S | November 20, 2025 | November 21, 2025 | 1d | 1,300 | $202 | $263K | 10b5-1 plan | Form 4 ↗ | |
| NET | Sell S | November 20, 2025 | November 21, 2025 | 1d | 1,703 | $200 | $341K | 10b5-1 plan | Form 4 ↗ | |
| NET | Sell S | November 20, 2025 | November 21, 2025 | 1d | 3,400 | $200 | $679K | 10b5-1 plan | Form 4 ↗ | |
| NET | Sell S | November 20, 2025 | November 21, 2025 | 1d | 2,700 | $199 | $537K | 10b5-1 plan | Form 4 ↗ | |
| NET | Sell S | November 20, 2025 | November 21, 2025 | 1d | 1,358 | $198 | $268K | 10b5-1 plan | Form 4 ↗ | |
| NET | Sell S | November 20, 2025 | November 21, 2025 | 1d | 600 | $196 | $118K | 10b5-1 plan | Form 4 ↗ | |
| NET | Sell S | November 20, 2025 | November 21, 2025 | 1d | 1,500 | $196 | $293K | 10b5-1 plan | Form 4 ↗ | |
| NET | Sell S | November 20, 2025 | November 21, 2025 | 1d | 1,900 | $194 | $369K | 10b5-1 plan | Form 4 ↗ | |
| NET | Sell S | November 20, 2025 | November 21, 2025 | 1d | 2,725 | $194 | $527K | 10b5-1 plan | Form 4 ↗ | |
| NET | Sell S | November 20, 2025 | November 21, 2025 | 1d | 8,666 | $192 | $1.7M | 10b5-1 plan | Form 4 ↗ | |
| NET | Sell S | November 20, 2025 | November 21, 2025 | 1d | 13,331 | $191 | $2.6M | 10b5-1 plan | Form 4 ↗ | |
| NET | Sell S | November 20, 2025 | November 21, 2025 | 1d | 2,272 | $190 | $432K | 10b5-1 plan | Form 4 ↗ | |
| NET | Exchange C | November 20, 2025 | November 21, 2025 | 1d | 10,000 | — | — | 10b5-1 plan | Form 4 ↗ | |
| NET | Sell F | November 15, 2025 | November 17, 2025 | 2d | 20,476 | $211 | $4.3M | Form 4 ↗ | ||
| NET | Exchange C | October 20, 2025 | October 20, 2025 | 0d | 10,000 | — | — | 10b5-1 planderivative | Form 4 ↗ | |
| NET | Option / conversion M | October 20, 2025 | October 20, 2025 | 0d | 10,000 | — | — | 10b5-1 planderivative | Form 4 ↗ | |
| NET | Option / conversion M | October 20, 2025 | October 20, 2025 | 0d | 10,000 | — | — | 10b5-1 planderivative | Form 4 ↗ | |
| NET | Sell S | October 20, 2025 | October 20, 2025 | 0d | 300 | $213 | $64K | 10b5-1 plan | Form 4 ↗ | |
| NET | Sell S | October 20, 2025 | October 20, 2025 | 0d | 3,846 | $213 | $818K | 10b5-1 plan | Form 4 ↗ | |
| NET | Sell S | October 20, 2025 | October 20, 2025 | 0d | 2,754 | $212 | $583K | 10b5-1 plan | Form 4 ↗ | |
| NET | Sell S | October 20, 2025 | October 20, 2025 | 0d | 2,600 | $211 | $548K | 10b5-1 plan | Form 4 ↗ | |
| NET | Sell S | October 20, 2025 | October 20, 2025 | 0d | 500 | $210 | $105K | 10b5-1 plan | Form 4 ↗ | |
| NET | Exchange C | October 20, 2025 | October 20, 2025 | 0d | 10,000 | — | — | 10b5-1 plan | Form 4 ↗ |
Filings
| Filed | Form | Accession | Rows | Status | Source |
|---|---|---|---|---|---|
| October 19, 2026 | Form 4 | 0001473289-26-000031 | 10 | published | EDGAR ↗ |
| September 21, 2026 | Form 4 | 0001473289-26-000029 | 16 | published | EDGAR ↗ |
| September 15, 2026 | Form 4 | 0001473289-26-000027 | 1 | published | EDGAR ↗ |
| August 19, 2026 | Form 4 | 0001473289-26-000025 | 11 | published | EDGAR ↗ |
| August 18, 2026 | Form 4 | 0001473289-26-000023 | 1 | published | EDGAR ↗ |
| August 6, 2026 | Form 4 | 0001473289-26-000021 | 4 | published | EDGAR ↗ |
| July 17, 2026 | Form 4 | 0001473289-26-000018 | 15 | published | EDGAR ↗ |
| June 17, 2026 | Form 4 | 0001473289-26-000016 | 13 | published | EDGAR ↗ |
| May 19, 2026 | Form 4 | 0001473289-26-000014 | 13 | published | EDGAR ↗ |
| April 17, 2026 | Form 4 | 0001473289-26-000012 | 12 | published | EDGAR ↗ |
| March 17, 2026 | Form 4 | 0001473289-26-000010 | 10 | published | EDGAR ↗ |
| March 13, 2026 | Form 4 | 0001473289-26-000008 | 1 | published | EDGAR ↗ |
| February 24, 2026 | Form 4 | 0001473289-26-000006 | 21 | published | EDGAR ↗ |
| February 18, 2026 | Form 4 | 0001473289-26-000004 | 1 | published | EDGAR ↗ |
| January 21, 2026 | Form 4 | 0001473289-26-000002 | 11 | published | EDGAR ↗ |
| December 23, 2025 | Form 4 | 0001473289-25-000017 | 9 | published | EDGAR ↗ |
| November 21, 2025 | Form 4 | 0001104659-25-115077 | 17 | published | EDGAR ↗ |
| November 17, 2025 | Form 4 | 0001473289-25-000015 | 1 | published | EDGAR ↗ |
| October 20, 2025 | Form 4 | 0001473289-25-000013 | 9 | published | EDGAR ↗ |
Other insiders at Cloudflare, Inc.
- Prince Matthew CEO & Board Co-Chair 461 rows
- Zatlyn Michelle PRESIDENT & BOARD CO-CHAIR 394 rows
- Graham-Cumming John Director 112 rows
- Ledbetter Carl Director 40 rows
- Riley Janel Chief Accounting Officer 34 rows
- Kramer Douglas James Chief Legal Officer 21 rows
- Starzak Alissa Michelle Chief Legal Officer 21 rows
- Hawkins Mark J Director 16 rows
- Suder Katrin Director 4 rows
- Cunningham Stacey Director 1 row
Everyone on file, with contracts and lobbying under the company's name: Cloudflare, Inc..
Guides for this page
- What is SEC Form 4? Who files: officers, directors and owners of more than 10% of a class of the company's shares.
- Form 4 transaction codes P = purchase. S = sale. These are the two market trades.
- Insider buying vs insider selling Selling outweighs buying by a wide margin in normal times.
- Rule 10b5-1 trading plans The plan must be set up when the insider has no important non-public information.
- Options and derivatives on Form 4 Table I = shares. Table II = options and other derivatives.
Sources and method
| Source | Filings | Rows | First filed | Newest filed | Read the originals |
|---|---|---|---|---|---|
| SEC EDGAR, Form 4 | 19 | 176 | October 20, 2025 | October 19, 2026 | Form 4 list on EDGAR |
Site built October 22, 2026. Every row in the tables above links to its own filing. To quote a figure, use the Cite button at the top of the page; see how to cite and reuse.
Every row comes from the reporting owner's Form 4 as filed with the SEC (EDGAR ownership XML), read daily. "Value" is shares × the reported price; code P is an open-market purchase, S a sale, M an option exercise, A a grant. The lag is the filing date minus the trade date; Form 4 is due within two business days. Amendments (4/A) are not merged. Details on the methodology page; report an error on corrections.
Not investment advice. Figures are public disclosures shown as filed; they may lag the trade and may be amended later. No recommendation is made or implied.