SCHEDULE 13G/A 0001193125-20-036466 0001786925 XXXXXXXX LIVE 5 Class A Common Stock, $0.001 par value per share 12/31/2025 0001477333 Cloudflare, Inc. 18915M107 101 Townsend Street San Francisco CA 94107 Rule 13d-1(d) Matthew Prince X1 5230116.00 21108391.00 5230116.00 21108391.00 26338507.00 N 7.7 IN With respect to Rows 5, 7 and 9, includes (i) 5,190,618 shares of Class B common stock held of record by The Matthew Prince Revocable Trust dated October 29, 2015, for which Matthew Prince (the "Reporting Person") serves as trustee and (ii) 39,498 shares of Class A common stock issuable upon the vesting of restricted stock units ("RSUs") within 60 days of December 31, 2025. With respect to Rows 6, 8 and 9, includes (i) 6,928,408 shares of Class B common stock held of record by The Prince Family Nonexempt Irrevocable Trust dated March 29, 2016, for which the Reporting Person serves as an investment advisor; (ii) 1,060,000 shares of Class B common stock held of record by The Prince Family Exempt Irrevocable Trust dated March 29, 2016, for which the Reporting Person serves as an investment advisor; (iii) 3,065,015 shares of Class B common stock held of record by The Matthew Prince 2024 Grantor Retained Annuity Trust dated 5/20/2024, for which the Reporting Person serves as co-trustee and investment advisor; (iv) 3,103,139 shares of Class B common stock held of record by The Matthew Prince 2024 Grantor Retained Annuity Trust 2 dated 8/20/2024, for which the Reporting Person serves as co-trustee and investment advisor; (v) 2,951,829 shares of Class B common stock held of record by The Prince 2021 Remainder Trust dated 9/23/2021, for which the Reporting Person serves as investment advisor; (vi) 2,000,000 shares of Class B common stock held of record by The Matthew Prince 2025 Grantor Retained Annuity Trust dated 5/10/2025, for which the Reporting Person serves as investment advisor; and (vii) 2,000,000 shares of Class B common stock held of record by The Matthew Prince 2025 Grantor Retained Annuity Trust 2 dated 8/11/2025, for which the Reporting Person serves as investment advisor. Pursuant to Rule 13d-3(d)(1)(i), the percentage in Row 11 is calculated as the quotient obtained by dividing (a) the aggregate amount beneficially owned by the Reporting Person as set forth in Row 9 by (b) the sum of (i) 315,250,214 shares of Class A common stock outstanding as of October 16, 2025, as reported in the Issuer's Quarterly Report on Form 10-Q for the quarterly period ended September 30, 2025, filed with the Securities and Exchange Commission on October 30, 2025 (the "Form 10-Q"); (ii) 39,498 shares of Class A common stock issuable upon the vesting of RSUs within 60 days of December 31, 2025; and (iii) 26,299,009 shares of Class B common stock beneficially owned by the Reporting Person. The aggregate number of shares of Class B common stock beneficially owned by the Reporting Person as set forth in clause "(a)" of this paragraph are treated as converted into Class A common stock only for the purpose of computing the percentage ownership of the Reporting Person. Each share of Class B common stock is convertible at any time into one share of Class A common stock. Each share of Class A common stock is entitled to one vote and each share of Class B common stock is entitled to ten votes. There were 35,030,951 shares of Class B common stock outstanding as of October 16, 2025, as reported in the Form 10-Q, including the 26,299,009 shares of Class B common stock beneficially owned by the Reporting Person as set forth in above. The percentage reported does not reflect the ten for one voting power of the Class B common stock because these shares are treated as converted into Class A common stock for the purpose of this report. Cloudflare, Inc. 101 Townsend Street, San Francisco, CA 94107 Matthew Prince c/o Cloudflare, Inc. 405 Comal Street Austin, Texas 78702 United States Y See Row 9 of cover page. See Row 11 of cover page. See Row 5 of cover page for the Reporting Person. See Row 6 of cover page for the Reporting Person. See Row 7 of cover page for the Reporting Person. See Row 8 of cover page for the Reporting Person. Y Y Y Y Y Y Matthew Prince /s/ Matthew Prince 02/13/2026