SEIFERT THOMAS J 4

4 · Cloudflare, Inc. · Filed Feb 24, 2026

Insider Transaction Report

Form 4

Period: 2026-02-20

Cloudflare, Inc.NET

SEIFERT THOMAS J

Chief Financial Officer

Transactions

Conversion
Class A Common Stock
[F1]
2026-02-20+10,000→ 127,009 total
Sale
Class A Common Stock
[F2][F3]
2026-02-20$177.18/sh−8,279$1,466,891→ 118,730 total
Sale
Class A Common Stock
[F2][F4]
2026-02-20$178.53/sh−4,700$839,082→ 114,030 total
Sale
Class A Common Stock
[F2][F5]
2026-02-20$179.51/sh−2,400$430,835→ 111,630 total
Sale
Class A Common Stock
[F2][F6]
2026-02-20$180.68/sh−1,900$343,291→ 109,730 total
Sale
Class A Common Stock
[F2][F7]
2026-02-20$181.82/sh−1,500$272,724→ 108,230 total
Sale
Class A Common Stock
[F2][F8]
2026-02-20$182.53/sh−1,300$237,285→ 106,930 total
Sale
Class A Common Stock
[F2][F9]
2026-02-20$183.78/sh−1,000$183,778→ 105,930 total
Sale
Class A Common Stock
[F2][F10]
2026-02-20$185.09/sh−700$129,564→ 105,230 total
Sale
Class A Common Stock
[F2][F11]
2026-02-20$186.10/sh−500$93,048→ 104,730 total
Sale
Class A Common Stock
[F2][F12]
2026-02-20$187.38/sh−200$37,477→ 104,530 total
Sale
Class A Common Stock
[F2][F13]
2026-02-20$188.77/sh−300$56,632→ 104,230 total
Sale
Class A Common Stock
[F2][F14]
2026-02-20$190.35/sh−2,613$497,381→ 101,617 total
Sale
Class A Common Stock
[F2][F15]
2026-02-20$191.13/sh−8,133$1,554,444→ 93,484 total
Sale
Class A Common Stock
[F2][F16]
2026-02-20$192.18/sh−4,771$916,891→ 88,713 total
Sale
Class A Common Stock
[F2][F17]
2026-02-20$193.12/sh−2,766$534,179→ 85,947 total
Sale
Class A Common Stock
[F2][F18]
2026-02-20$194.05/sh−395$76,648→ 85,552 total
Sale
Class A Common Stock
[F2]
2026-02-20$195.19/sh−100$19,519→ 85,452 total
Exercise/Conversion
Employee Stock Option (right to buy)
[F19][F1]
2026-02-20−10,000→ 70,341 total
Exercise: $2.04Exp: 2027-07-25→ Class B Common Stock (10,000 underlying)
Exercise/Conversion
Class B Common Stock
[F1]
2026-02-20+10,000→ 18,925 total
→ Class A Common Stock (10,000 underlying)
Conversion
Class B Common Stock
[F1]
2026-02-20−10,000→ 8,925 total
→ Class A Common Stock (10,000 underlying)

Holdings

Class B Common Stock
[F1][F20]
(indirect: See footnote)
→ Class A Common Stock (150,000 underlying)
150,000
Class B Common Stock
[F1][F21]
(indirect: See footnote)
→ Class A Common Stock (46,100 underlying)
46,100
Class B Common Stock
[F1][F22]
(indirect: See footnote)
→ Class A Common Stock (46,100 underlying)
46,100
Class B Common Stock
[F1][F23]
(indirect: See footnote)
→ Class A Common Stock (46,100 underlying)
46,100

Footnotes (23)

[F1]Each share of Class B Common Stock is convertible at any time into Class A Common Stock on a one-to-one basis at the reporting person's election and has no expiration date.
[F10]The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $184.67 to $185.48, inclusive.
[F11]The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $185.82 to $186.64, inclusive.
[F12]The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $187.33 to $187.44, inclusive.
[F13]The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $188.49 to $188.99, inclusive.
[F14]The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $189.67 to $190.66, inclusive.
[F15]The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $190.67 to $191.66, inclusive.
[F16]The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $191.70 to $192.69, inclusive.
[F17]The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $192.70 to $193.69, inclusive.
[F18]The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $193.71 to $194.33, inclusive.
[F19]Shares subject to the option are fully vested and immediately exercisable.
[F2]The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 26, 2024.
[F20]The shares are held of record by Center Court Partners Ltd., for which the reporting person serves as a partner.
[F21]The shares are held of record by Center Court 2020 Trust 1 UA 12/11/20, for which the reporting person serves as trustee.
[F22]The shares are held of record by Center Court 2020 Trust 2 UA 12/11/20, for which the reporting person serves as trustee.
[F23]The shares are held of record by Center Court 2020 Trust 3 UA 12/11/20, for which the reporting person serves as trustee.
[F3]The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $176.93 to $177.88, inclusive. The reporting person undertakes to provide the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnotes (3) through (18) to this Form 4.
[F4]The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $178.01 to $178.99, inclusive.
[F5]The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $179.07 to $179.98, inclusive.
[F6]The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $180.17 to $181.12, inclusive.
[F7]The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $181.22 to $182.19, inclusive.
[F8]The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $182.23 to $182.88, inclusive.
[F9]The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $183.27 to $184.05, inclusive.

Signature

/s/ Chad Skinner, by power of attorney|2026-02-24

Documents

1 file

4
wk-form4_1771980460.xmlPrimary
FORM 4