Insider Trading & Ownership of Thomas J. Seifert

Location: San Francisco, CA
Summary: The estimated net worth of Thomas J. Seifert is at least $59,543,181 dollars as of 17 Mar 2026. Thomas J. Seifert is the Chief Financial Officer of Cloudflare, Inc. and owns shares of Cloudflare, Inc. (NET) stock worth about $58.43M. Thomas J. Seifert is the Director of IPG PHOTONICS CORP and owns shares of IPG PHOTONICS CORP (IPGP) stock worth about $987.2K. Thomas J. Seifert is the Director of WOLFSPEED, INC. and owns shares of WOLFSPEED, INC. (WOLF) stock worth about $124.7K.
Signature: /s/ Chad Skinner, by power of attorney
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Ownership of Thomas J. Seifert

Symbol	Company	Relationship	Holdings Value	Past Year Net Change	Change %	Report Period
NET	Cloudflare, Inc.	Chief Financial Officer	$58,431,291	-$65,800,564	-53%	15 Mar 2026
IPGP	IPG PHOTONICS CORP	Director	$987,191			24 May 2022
WOLF	WOLFSPEED, INC.	Director	$124,699			03 Feb 2025

Sym	Company	Class	Transaction	%	Value $	* Price $	Shares	Shares After	Date	Ownership

* An asterisk sign (*) next to the price indicates that the price is likely invalid.