Thomas J. Seifert - Chief Financial Officer at Cloudflare, Inc.

Issuer-level insider activity

Identity Names, identifiers, and filing context for this profile. 1 identity field
Entity type
Individual
Source evidence Original filing metadata and source links for verification. 1 source field
Source filing history
Open source filing history

Past-year transaction volume for Thomas J. Seifert in Cloudflare, Inc.

Buys

Open market
Shares
Avg price
Total value

Sells

Open market
Shares
-238,453
Avg price
$229.89
Total value
-$54,817,851

Net

Past year
Shares
-238,453
Share %
-100%
Total value
-$54,817,851

Reported holdings for Thomas J. Seifert in Cloudflare, Inc.

Form 4 holding Chief Financial Officer

Cloudflare, Inc.

Security class
Class B Common Stock
Shares / value
46,100
Estimated value
$13,064,279
Report date
17 Aug 2026
Price
$283.39
Ownership
Indirect
Underlying class
Class A Common Stock
Underlying amount
46,100
Form 4 holding Chief Financial Officer

Cloudflare, Inc.

Security class
Class B Common Stock
Shares / value
8,925
Estimated value
$2,529,255
Report date
17 Aug 2026
Price
$283.39
Ownership
Direct
Underlying class
Class A Common Stock
Underlying amount
8,925
Form 4 holding Chief Financial Officer

Cloudflare, Inc.

Security class
Performance Stock Option (right to buy)
Shares / value
500,000
Estimated value
Report date
04 Aug 2026
Price
Ownership
Direct
Underlying class
Class A Common Stock
Underlying amount
Form 4 holding Chief Financial Officer

Cloudflare, Inc.

Security class
Employee Stock Option (right to buy)
Shares / value
10,000
Estimated value
Report date
17 Aug 2026
Price
Ownership
Direct
Underlying class
Class B Common Stock
Underlying amount

Transaction history for Thomas J. Seifert in Cloudflare, Inc.

Sym Class Transaction % SEC-reported value SEC-reported price Shares Shares after Date Ownership
* marks a reported price that did not pass the local price check.
We use cookies and similar technologies to provide certain features, enhance the user experience and, if you allow them, measure engagement and deliver advertising. Analytics and marketing storage stay off until you grant consent. By clicking on "Agree and continue", you declare your consent to the use of the selected optional cookies. Manage preferences to update or revoke optional consent for future visits. For more information, see our Privacy Policy .