Sec Form 4 Filing - SEIFERT THOMAS J @ Cloudflare, Inc. - 2023-07-18

FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person SEIFERT THOMAS J 2. Issuer Name and Ticker or Trading Symbol Cloudflare, Inc. [ NET] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner X __ Officer (give title below) _____ Other (specify below) Chief Financial Officer (Last) (First) (Middle) C/O CLOUDFLARE, INC., 405 COMAL STREET 3. Date of Earliest Transaction (MM/DD/YY) 07/18/2023 (Street) AUSTIN, TX78702 4. If Amendment, Date Original Filed (MM/DD/YY) 6. Individual or Joint/Group Filing (Check Applicable Line) __ X __ Form filed by One Reporting Person _____ Form filed by More than One Reporting Person (City) (State) (Zip)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned 1.Title of Security (Instr. 3) 2. Transaction Date (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price Class A Common Stock 07/18/2023 C 15,000 A 278,209 D Class A Common Stock 07/18/2023 S( 2 ) 2,097 D $ 70.9562 ( 3 ) 276,112 D Class A Common Stock 07/18/2023 S( 2 ) 4,345 D $ 71.6606 ( 4 ) 271,767 D Class A Common Stock 07/18/2023 S( 2 ) 8,458 D $ 72.8398 ( 5 ) 263,309 D Class A Common Stock 07/18/2023 S( 2 ) 100 D $ 73.52 263,209 D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned ( e.g. , puts, calls, warrants, options, convertible securities) 1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5) 6. Date Exercisable and Expiration Date (MM/DD/YY) 7. Title and Amount of Underlying Securities (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4) Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares Employee Stock Option (right to buy) $ 2.04 07/18/2023 M 15,000 ( 6 ) 07/25/2027 Class B Common Stock ( 1 ) 15,000 $ 0 925,341 D Class B Common Stock ( 1 ) 07/18/2023 M 15,000 ( 1 ) ( 1 ) Class A Common Stock 15,000 $ 0 23,925 D Class B Common Stock ( 1 ) 07/18/2023 C 15,000 ( 1 ) ( 1 ) Class A Common Stock 15,000 $ 0 8,925 D Class B Common Stock ( 1 ) ( 1 ) ( 1 ) Class A Common Stock 250,000 250,000 I See footnote ( 7 ) Class B Common Stock ( 1 ) ( 1 ) ( 1 ) Class A Common Stock 76,100 76,100 I See footnote ( 8 ) Class B Common Stock ( 1 ) ( 1 ) ( 1 ) Class A Common Stock 76,100 76,100 I See footnote ( 9 ) Class B Common Stock ( 1 ) ( 1 ) ( 1 ) Class A Common Stock 76,100 76,100 I See footnote ( 10 )

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other SEIFERT THOMAS J C/O CLOUDFLARE, INC. 405 COMAL STREET AUSTIN, TX78702 Chief Financial Officer Signatures /s/ Lindsey Cochran, by power of attorney 07/19/2023 Signature of Reporting Person Date

Explanation of Responses:

( 1 )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. ( 2 )The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 29, 2022. ( 3 )The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $70.36 to $71.33, inclusive. The reporting person undertakes to provide to 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 (5) to this Form 4. ( 4 )The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $71.36 to $72.29, inclusive. ( 5 )The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $72.36 to $73.30, inclusive. ( 6 )The option is subject to an early exercise provision and is immediately exercisable. Shares subject to the option vest in 48 equal monthly installments following September 13, 2019. ( 7 )The shares are held of record by Center Court Partners Ltd., for which the reporting person serves as a partner. ( 8 )The shares are held of record by Center Court 2020 Trust 1 UA 12/11/20, for which the reporting person serves as trustee. ( 9 )The shares are held of record by Center Court 2020 Trust 2 UA 12/11/20, for which the reporting person serves as trustee. ( 10 )The shares are held of record by Center Court 2020 Trust 3 UA 12/11/20, for which the reporting person serves as trustee.

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.

* If the form is filed by more than one reporting person, see Instruction 4(b)(v).

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