SEIFERT THOMAS J (Chief Financial Officer) sold 7.9% of their position (10K shares) of CLOUDFLARE, INC. on the open market

Open‑market sale worth $2.32M — a moderate reduction. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 8 sales

SEIFERT THOMAS J

Filed: 6/17/2026ACC: 0001473289-26-000016

InsiderSEIFERT THOMAS JCIK 1473289

→

IssuerCLOUDFLARE, INC.CIK 1477333

Officer· Chief Financial Officer

Since Sep 2019

-12.94K

Net shares

Net seller

$3.00M

Total sold

Open market trades

0B · 8S

Total transactions

20K acquired · 32.94K disposed

Non-Derivative Transactions10

Class A Common Stock

Direct

F · Tax Withholding

−2.94K

Price / share

$228.48

Trade value

$672.65K

% of position

2.5%

6/15/2026

119.68K→116.73K

Class A Common Stock

Direct

C · Conversion

+10K

Price / share

—

Trade value

—

% of position

8.6%

6/17/2026

116.73K→126.73K

Class A Common Stock

Direct

S · Sale

−900.00

Price / share

$227.74

Trade value

$204.96K

% of position

0.7%

6/17/2026

126.73K→125.83K

Class A Common Stock

Direct

S · Sale

−900.00

Price / share

$228.91

Trade value

$206.02K

% of position

0.7%

6/17/2026

125.83K→124.93K

Class A Common Stock

Direct

S · Sale

−515.00

Price / share

$229.95

Trade value

$118.43K

% of position

0.4%

6/17/2026

124.93K→124.42K

Class A Common Stock

Direct

S · Sale

−685.00

Price / share

$230.90

Trade value

$158.16K

% of position

0.6%

6/17/2026

124.42K→123.73K

Class A Common Stock

Direct

S · Sale

−600.00

Price / share

$232.00

Trade value

$139.20K

% of position

0.5%

6/17/2026

123.73K→123.13K

Class A Common Stock

Direct

S · Sale

−3.17K

Price / share

$233.44

Trade value

$739.31K

% of position

2.6%

6/17/2026

123.13K→119.97K

Class A Common Stock

Direct

S · Sale

−2.63K

Price / share

$234.18

Trade value

$616.60K

% of position

2.2%

6/17/2026

119.97K→117.33K

Class A Common Stock

Direct

S · Sale

−600.00

Price / share

$235.34

Trade value

$141.20K

% of position

0.5%

6/17/2026

117.33K→116.73K

Total

Net shares

−2.94K

Net value

-$3M

Security	Date	Type	Shares	Price / Share	Trade Value	% of Position	Held Before	Held After
Class A Common Stock Direct	6/15/2026	F · Tax Withholding	−2.94K	$228.48	$672.65K	2.5%	119.68K	116.73K
Class A Common Stock Direct	6/17/2026	C · Conversion	+10K	—	—	8.6%	116.73K	126.73K
Class A Common Stock Direct	6/17/2026	S · Sale	−900.00	$227.74	$204.96K	0.7%	126.73K	125.83K
Class A Common Stock Direct	6/17/2026	S · Sale	−900.00	$228.91	$206.02K	0.7%	125.83K	124.93K
Class A Common Stock Direct	6/17/2026	S · Sale	−515.00	$229.95	$118.43K	0.4%	124.93K	124.42K
Class A Common Stock Direct	6/17/2026	S · Sale	−685.00	$230.90	$158.16K	0.6%	124.42K	123.73K
Class A Common Stock Direct	6/17/2026	S · Sale	−600.00	$232.00	$139.20K	0.5%	123.73K	123.13K
Class A Common Stock Direct	6/17/2026	S · Sale	−3.17K	$233.44	$739.31K	2.6%	123.13K	119.97K
Class A Common Stock Direct	6/17/2026	S · Sale	−2.63K	$234.18	$616.60K	2.2%	119.97K	117.33K
Class A Common Stock Direct	6/17/2026	S · Sale	−600.00	$235.34	$141.20K	0.5%	117.33K	116.73K
Total			−2.94K		-$3M

Derivative Transactions3

Employee Stock Option (right to buy)

Direct

M · Option Exercise

Converts to

Class B Common Stock

10K shares

−10K

Strike price

2.04

Held after

30K

Exercisable

—

6/17/2026

Class B Common Stock

Direct

M · Option Exercise

Converts to

Class A Common Stock

10K shares

+10K

Strike price

Held after

18.93K

Exercisable

—

6/17/2026

Class B Common Stock

Direct

C · Conversion

Converts to

Class A Common Stock

10K shares

−10K

Strike price

Held after

8.93K

Exercisable

—

6/17/2026

Security	Converts To	Date	Type	Shares	Strike Price	Exercisable	Held After
Employee Stock Option (right to buy) Direct	Class B Common Stock10K shares	6/17/2026	M · Option Exercise	−10K	2.04	—	30K
Class B Common Stock Direct	Class A Common Stock10K shares	6/17/2026	M · Option Exercise	+10K		—	18.93K
Class B Common Stock Direct	Class A Common Stock10K shares	6/17/2026	C · Conversion	−10K		—	8.93K

Non-Derivative Holdings (Post-Transaction)1

Class A Common Stock

Indirect

Shares owned92.34K

Total

92.34K indirect92.34K

Security Title	Shares Owned	Ownership Type
Class A Common Stock	92.34K	Indirect
Total	92.34K	92.34K indirect

Derivative Holdings (Post-Transaction)4

Class B Common Stock

Indirect

Underlying security

Class A Common Stock

Underlying shares

46.10K

Shares owned

46.10K

Exercise price

Expiration

—

Exercise window

—

Class B Common Stock

Indirect

Underlying security

Class A Common Stock

Underlying shares

46.10K

Shares owned

46.10K

Exercise price

Expiration

—

Exercise window

—

Class B Common Stock

Indirect

Underlying security

Class A Common Stock

Underlying shares

150K

Shares owned

150K

Exercise price

Expiration

—

Exercise window

—

Class B Common Stock

Indirect

Underlying security

Class A Common Stock

Underlying shares

46.10K

Shares owned

46.10K

Exercise price

Expiration

—

Exercise window

—

Total

Underlying

288.30K

Owned

288.30K

Security	Underlying	Exercise Window	Expiration	Underlying Shares	Shares Owned
Class B Common Stock Indirect	Class A Common Stock	—	—	46.10K	46.10K
Class B Common Stock Indirect	Class A Common Stock	—	—	46.10K	46.10K
Class B Common Stock Indirect	Class A Common Stock	—	—	150K	150K
Class B Common Stock Indirect	Class A Common Stock	—	—	46.10K	46.10K
Total				288.30K	288.30K