Company profile

Cloudflare, Inc. Insider Trading

NET

Every SEC Form 4 insider trading filing for Cloudflare, Inc. (NET) since April 2023 — open-market buys and sells by directors and officers, option exercises, and cluster activity, updated as each filing is reported to the SEC. Why 2023?

Exchange
NYSE
Sector
Services-Prepackaged Software
CIK
0001477333
Filings
438
Insiders
16
Last filing
2026-08-21
SEC EDGAR ↗Yahoo Finance ↗Finviz ↗Stock Analysis ↗

Activity summary

Recent insider activity is bullish. Over the last 30 days, 7 insiders purchased shares. Buying was led by Zatlyn Michelle.

Three year balance

Buy and sell value by quarter, Q4 23 to Q3 26. Cloudflare, Inc. insiders were net sellers in every quarter shown.

Q4 23Q1 24Q2 24Q3 24Q4 24Q1 25Q2 25Q3 25Q4 25Q1 26Q2 26Q3 26

Bars below the rule are sales, above are purchases. Largest quarter on the chart is $203.3M.

90 day insight

Over the last 90 days, Cloudflare, Inc. insiders bought $0 across 7 transactions with no open-market sales.

  • Most active insider: Zatlyn Michelle with 38 transactions totaling $28.3M.
  • Largest single sale: $3.1M by Zatlyn Michelle on Aug 19, 2026.
  • 100% of recent sales were pre-scheduled 10b5-1 trades — typically less informative than open-market activity.

Activity skews bullish — buys outpace sales.

Insider Transactions

Sourced from SEC EDGAR Form 4 filings. Updated hourly.

DateInsiderCompanyTypeSharesPriceValue
Aug 21, 2026Zatlyn MichelleNET
Sale10b5
2,206$274.47$605K
Aug 21, 2026Zatlyn MichelleNET
Option Exercise
33,003——
Aug 21, 2026Zatlyn MichelleNET
Sale10b5
956$280.42$268K
Aug 21, 2026Zatlyn MichelleNET
C
33,003——
Aug 21, 2026Zatlyn MichelleNET
Option Exercise
33,003——

45 more transactions hidden

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Query this yourself

The same rows, over the API.

curl "https://api.form4api.com/v1/transactions?ticker=NET" \
  -H "X-Api-Key: $KEY"
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Top insiders

By total value filed.

Zatlyn MichellePresident and Board Co-Chair26 filings−$28.3M
Starzak Alissa MichelleChief Legal Officer6 filings−$1.4M
Riley JanelChief Accounting Officer5 filings−$1.1M

Institutional Ownership

Top 13F-HR holders of Cloudflare, Inc. as of 2026-06-30

↓ decreasing
Total reported AUM
$17.84B
QoQ change
-67.3%
Reporting period
2026-06-30
#1
BlackRock, Inc.
CIK 0002012383
$1.95B
8.0M shares
#2
State Street Corp
CIK 0000093751
$1.82B
7.4M shares
#3
Baillie Gifford & Co
CIK 0001088875
$1.79B
7.3M shares

Data source: quarterly 13F-HR filings — institutional holders report positions within 45 days of quarter end. Joined with insider activity above — see who's loading up institutionally while insiders are trading. Full 13F-HR API →