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Thomas J Seifert, Chief Financial Officer at Cloudflare, sold NET on Sep 17, 2026

Data as of Oct 16

▼ SELL$231K700 shares at $329.37Thomas J Seifert Chief Financial OfficerNET Cloudflare, Inc.
Watch NET
Traded
Sep 17, 2026
Disclosed
Sep 21, 2026
Filed
4 days after the trade

Form 4s are due within two business days.

Official filing (SEC Form 4) ↗

The price around the disclosure

Thomas J Seifert, Chief Financial Officer at Cloudflare, sold NET on Sep 17, 2026TRADEDDISCLOSED
NETSimilar stocks (XLK — its sector index fund), rebased to NET's price on the disclosure day
NET since disclosure
−15.7%
after the sale
Similar stocks (XLK) since disclosure
−5.8%
XLK — its sector index fund

Change in closing price from Sep 21, 2026 (the first trading day on or after disclosure) to Oct 16, 2026. Dividends excluded. Not a return anyone earned.

Our take

None of our tested rules fired on this trade.

Other trades in the same filing

  1. ▼ SELLThomas J Seifert Chief Financial OfficerNET Cloudflare, Inc.$98.4Kdisclosed Sep 21 · filed 4 days after the trade
  2. ▼ SELLThomas J Seifert Chief Financial OfficerNET Cloudflare, Inc.$33.7Kdisclosed Sep 21 · filed 4 days after the trade
  3. ▼ SELLThomas J Seifert Chief Financial OfficerNET Cloudflare, Inc.$878Kdisclosed Sep 21 · filed 4 days after the trade
  4. ▼ SELLThomas J Seifert Chief Financial OfficerNET Cloudflare, Inc.$32.1Kdisclosed Sep 21 · filed 4 days after the trade
  5. ▼ SELLThomas J Seifert Chief Financial OfficerNET Cloudflare, Inc.$201Kdisclosed Sep 21 · filed 4 days after the trade
  6. ▼ SELLThomas J Seifert Chief Financial OfficerNET Cloudflare, Inc.$625Kdisclosed Sep 21 · filed 4 days after the trade
  7. ▼ SELLThomas J Seifert Chief Financial OfficerNET Cloudflare, Inc.$31.9Kdisclosed Sep 21 · filed 4 days after the trade
  8. ▼ SELLThomas J Seifert Chief Financial OfficerNET Cloudflare, Inc.$397Kdisclosed Sep 21 · filed 4 days after the trade
  9. ▼ SELLThomas J Seifert Chief Financial OfficerNET Cloudflare, Inc.$32.7Kdisclosed Sep 21 · filed 4 days after the trade
  10. ▼ SELLThomas J Seifert Chief Financial OfficerNET Cloudflare, Inc.$533Kdisclosed Sep 21 · filed 4 days after the trade
  11. ▼ SELLThomas J Seifert Chief Financial OfficerNET Cloudflare, Inc.$231Kdisclosed Sep 21 · filed 4 days after the trade

See every trade on NET →