Thomas J Seifert Cloudflare, Inc. (NET) insider trading activity

Thomas J Seifert is Chief Financial Officer of Cloudflare, Inc.. Currently has a direct ownership of 137,486 shares of NET, which is worth approximately $29 Million. The most recent transaction as insider was on Nov 20, 2025, when has been sold 41,555 shares (Class A Common Stock) at a price of $196.61 per share, resulting in proceeds of $8,170,128. This information was disclosed in a Form 4 filing with the Securities and Exchange Commission (SEC).

Shares Held (Direct Ownership) 137K

27.45% 3M change

45.63% 12M change

Total Value Held $29 Million

THOMAS J SEIFERT Transaction History

Date	Transaction	Value	Shares Traded	Shares Held
Nov 20 2025	SELL Open market or private sale	$8,170,128 $196.61 p/Share	41,555 Reduced 23.21%	137,486 Class A Common Stock
Nov 20 2025	BUY Conversion of derivative security	-	10,000 Added 5.29%	179,041 Class A Common Stock
Nov 15 2025	SELL Payment of exercise price or tax liability	$4,312,245 $210.6 p/Share	20,476 Reduced 10.8%	169,041 Class A Common Stock
Oct 20 2025	SELL Open market or private sale	$2,116,500 $211.65 p/Share	10,000 Reduced 5.01%	189,517 Class A Common Stock
Oct 20 2025	BUY Conversion of derivative security	-	10,000 Added 4.77%	199,517 Class A Common Stock
Sep 22 2025	SELL Open market or private sale	$2,269,800 $226.98 p/Share	10,000 Reduced 5.01%	189,517 Class A Common Stock
Sep 22 2025	BUY Conversion of derivative security	-	10,000 Added 4.77%	199,517 Class A Common Stock

Aug 20 2025	SELL Open market or private sale	$7,900,436 $190.12 p/Share	41,555 Reduced 17.98%	189,517 Class A Common Stock
Aug 20 2025	BUY Conversion of derivative security	-	10,000 Added 4.15%	231,072 Class A Common Stock
Aug 15 2025	SELL Payment of exercise price or tax liability	$4,000,991 $195.38 p/Share	20,478 Reduced 8.48%	221,072 Class A Common Stock
Jul 21 2025	SELL Open market or private sale	$1,983,200 $198.32 p/Share	10,000 Reduced 3.98%	241,550 Class A Common Stock
Jul 21 2025	BUY Conversion of derivative security	-	10,000 Added 3.82%	251,550 Class A Common Stock
Jun 20 2025	SELL Open market or private sale	$1,820,900 $182.09 p/Share	10,000 Reduced 3.98%	241,550 Class A Common Stock
Jun 20 2025	BUY Conversion of derivative security	-	10,000 Added 3.82%	251,550 Class A Common Stock
May 20 2025	SELL Open market or private sale	$6,519,720 $156.89 p/Share	41,556 Reduced 14.68%	241,550 Class A Common Stock
May 20 2025	BUY Conversion of derivative security	-	10,000 Added 3.41%	283,106 Class A Common Stock
May 15 2025	SELL Payment of exercise price or tax liability	$3,163,337 $154.49 p/Share	20,476 Reduced 6.97%	273,106 Class A Common Stock
Apr 25 2025	SELL Open market or private sale	$1,201,400 $120.14 p/Share	10,000 Reduced 3.29%	293,582 Class A Common Stock
Apr 25 2025	BUY Conversion of derivative security	-	10,000 Added 3.19%	303,582 Class A Common Stock
Mar 20 2025	SELL Open market or private sale	$1,200,000 $120.0 p/Share	10,000 Reduced 3.29%	293,582 Class A Common Stock
Mar 20 2025	BUY Conversion of derivative security	-	10,000 Added 3.19%	303,582 Class A Common Stock
Mar 05 2025	SELL Open market or private sale	$2,116,050 $141.07 p/Share	15,000 Reduced 4.86%	293,582 Class A Common Stock
Mar 05 2025	BUY Conversion of derivative security	-	15,000 Added 4.64%	308,582 Class A Common Stock
Feb 19 2025	SELL Open market or private sale	$4,683,254 $163.55 p/Share	28,635 Reduced 8.89%	293,582 Class A Common Stock
Feb 19 2025	BUY Conversion of derivative security	-	15,000 Added 4.45%	322,217 Class A Common Stock

Also insider at

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IPG PHOTONICS CORP Technology

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TJS

Thomas J Seifert

Chief Financial Officer

Austin, TX

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