Seifert Thomas J Insider Trades & Stock Holdings

Chief Financial Officer · Cloudflare, Inc. · Latest filing Sep 17, 2026

Seifert Thomas J, Chief Financial Officer at Cloudflare, Inc. has 1 Form 4 trade on file since Sep 17, 2026. Open-market activity: 0 purchases ($0) and 1 sale ($3.32M), net -$3.32M. Latest filing: disposed of 10K shares of $NET on Sep 17, 2026 at $332.46.

Trades on file

1

Open-market bought

$0

Open-market sold

$3.32M

Net open-market

-$3.32M

Latest filing

Sep 17, 2026

All insider trades by Seifert Thomas J

Date	Ticker	Type	Shares	Price	Value	Owned after	ΔOwn	1W	1M	6M	Role	Filing	Story
Sep 17, 2026	$NET	Sell (Open-market sale) 10b5-1	10K	$332.46	$3.32M			+7.5%			Chief Financial Officer		—

"Buy" means shares acquired on the Form 4 (including grants and option exercises); "Sell" means shares disposed. 1W / 1M / 6M = how the stock moved after the trade.

Stocks Seifert Thomas J traded

• $NET

Frequently asked questions

Has Seifert Thomas J been buying or selling stock?

Seifert Thomas J has 0 open-market purchases and 1 open-market sale on file, net -$3.32M. Grants, option exercises and tax withholding are listed separately because they are not open-market trades.

What was Seifert Thomas J's latest insider trade?

disposed of 10K shares of $NET on Sep 17, 2026 at $332.46.

Data comes from public SEC Form 4 and 13F filings and STOCK Act disclosures. Dates are the trade or filing date reported. This page is for research only and is not investment advice.