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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 (2) through (7) to this Form 4."}],"balance_after":116988,"source":{"system":"sec-edgar","filing":"0002128025-26-000013","document":"wk-form4_1787175730.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1477333/000212802526000013/wk-form4_1787175730.xml","form_type":"4"}},{"id":681324,"issuer":{"id":2910,"kind":"organization","name":"Cloudflare, Inc.","symbol":"NET"},"owners":[{"id":21622,"kind":"person","name":"Starzak Alissa Michelle","position":1,"cik":"0002128025","reported_name":"Starzak Alissa Michelle","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Legal Officer"}}],"security":"Class A Common Stock","published_at":"2026-08-19T21:42:13.000Z","date":"2026-08-17","kind":"exercise","planned":true,"acquired":true,"shares":3333,"price":77.7,"value":258974.1,"ownership":{"direct":true},"balance_after":117953,"source":{"system":"sec-edgar","filing":"0002128025-26-000013","document":"wk-form4_1787175730.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1477333/000212802526000013/wk-form4_1787175730.xml","form_type":"4"}},{"id":683420,"issuer":{"id":2910,"kind":"organization","name":"Cloudflare, Inc.","symbol":"NET"},"owners":[{"id":21622,"kind":"person","name":"Starzak Alissa Michelle","position":1,"cik":"0002128025","reported_name":"Starzak Alissa Michelle","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Legal Officer"}}],"security":"Class A Common Stock","published_at":"2026-08-18T21:01:23.000Z","date":"2026-08-15","kind":"tax_withholding","planned":false,"acquired":false,"shares":3775,"price":315.78,"value":1192069.5,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The shares were withheld to satisfy the reporting person's tax liability in connection with the vesting of restricted stock units, or RSUs."}],"balance_after":114620,"source":{"system":"sec-edgar","filing":"0002128025-26-000011","document":"wk-form4_1787086880.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1477333/000212802526000011/wk-form4_1787086880.xml","form_type":"4"}},{"id":756969,"issuer":{"id":2910,"kind":"organization","name":"Cloudflare, Inc.","symbol":"NET"},"owners":[{"id":21622,"kind":"person","name":"Starzak Alissa Michelle","position":1,"cik":"0002128025","reported_name":"Starzak Alissa Michelle","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Legal Officer"}}],"security":"Performance Stock Option (right to buy)","published_at":"2026-06-01T23:15:55.000Z","date":"2026-05-28","kind":"exercise","planned":true,"acquired":false,"shares":10001,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F6","text":"The remaining shares subject to the option vest quarterly beginning on August 15, 2026."}],"balance_after":89999,"derivative":{"exercise_price":77.7,"expiration_date":"2034-08-04","underlying":"Class A Common Stock","underlying_shares":10001},"source":{"system":"sec-edgar","filing":"0002128025-26-000009","document":"wk-form4_1780355752.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/1477333/000212802526000009/wk-form4_1780355752.xml","form_type":"4"}},{"id":756968,"issuer":{"id":2910,"kind":"organization","name":"Cloudflare, Inc.","symbol":"NET"},"owners":[{"id":21622,"kind":"person","name":"Starzak Alissa Michelle","position":1,"cik":"0002128025","reported_name":"Starzak Alissa Michelle","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Legal Officer"}}],"security":"Class A Common Stock","published_at":"2026-06-01T23:15:55.000Z","date":"2026-05-28","kind":"sale","planned":true,"acquired":false,"shares":1442,"price":218.1346,"value":314550.0932,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on February 26, 2026."},{"field":"price","element":"transactionPricePerShare","label":"F5","text":"The price reported in Column 4 is a weighted average price. 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These shares were sold in multiple transactions at prices ranging from $216.71 to $217.66, inclusive."}],"balance_after":119837,"source":{"system":"sec-edgar","filing":"0002128025-26-000009","document":"wk-form4_1780355752.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1477333/000212802526000009/wk-form4_1780355752.xml","form_type":"4"}},{"id":756966,"issuer":{"id":2910,"kind":"organization","name":"Cloudflare, Inc.","symbol":"NET"},"owners":[{"id":21622,"kind":"person","name":"Starzak Alissa Michelle","position":1,"cik":"0002128025","reported_name":"Starzak Alissa Michelle","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Legal Officer"}}],"security":"Class A Common Stock","published_at":"2026-06-01T23:15:55.000Z","date":"2026-05-28","kind":"sale","planned":true,"acquired":false,"shares":3264,"price":216.1169,"value":705405.5616,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on February 26, 2026."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $215.55 to $216.415, inclusive."}],"balance_after":125558,"source":{"system":"sec-edgar","filing":"0002128025-26-000009","document":"wk-form4_1780355752.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1477333/000212802526000009/wk-form4_1780355752.xml","form_type":"4"}},{"id":756965,"issuer":{"id":2910,"kind":"organization","name":"Cloudflare, Inc.","symbol":"NET"},"owners":[{"id":21622,"kind":"person","name":"Starzak Alissa Michelle","position":1,"cik":"0002128025","reported_name":"Starzak Alissa Michelle","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Legal Officer"}}],"security":"Class A Common Stock","published_at":"2026-06-01T23:15:55.000Z","date":"2026-05-28","kind":"sale","planned":true,"acquired":false,"shares":4520,"price":215.0116,"value":971852.432,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on February 26, 2026."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $214.505 to $215.41, 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 (2) through (5) to this Form 4."}],"balance_after":128822,"source":{"system":"sec-edgar","filing":"0002128025-26-000009","document":"wk-form4_1780355752.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1477333/000212802526000009/wk-form4_1780355752.xml","form_type":"4"}},{"id":756964,"issuer":{"id":2910,"kind":"organization","name":"Cloudflare, Inc.","symbol":"NET"},"owners":[{"id":21622,"kind":"person","name":"Starzak Alissa Michelle","position":1,"cik":"0002128025","reported_name":"Starzak Alissa Michelle","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Legal Officer"}}],"security":"Class A Common Stock","published_at":"2026-06-01T23:15:55.000Z","date":"2026-05-28","kind":"sale","planned":true,"acquired":false,"shares":1296,"price":213.3,"value":276436.8,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on February 26, 2026."}],"balance_after":133342,"source":{"system":"sec-edgar","filing":"0002128025-26-000009","document":"wk-form4_1780355752.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1477333/000212802526000009/wk-form4_1780355752.xml","form_type":"4"}},{"id":756963,"issuer":{"id":2910,"kind":"organization","name":"Cloudflare, Inc.","symbol":"NET"},"owners":[{"id":21622,"kind":"person","name":"Starzak Alissa Michelle","position":1,"cik":"0002128025","reported_name":"Starzak Alissa Michelle","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Legal Officer"}}],"security":"Class A Common Stock","published_at":"2026-06-01T23:15:55.000Z","date":"2026-05-28","kind":"exercise","planned":true,"acquired":true,"shares":10001,"price":77.7,"value":777077.7,"ownership":{"direct":true},"balance_after":134638,"source":{"system":"sec-edgar","filing":"0002128025-26-000009","document":"wk-form4_1780355752.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1477333/000212802526000009/wk-form4_1780355752.xml","form_type":"4"}},{"id":771931,"issuer":{"id":2910,"kind":"organization","name":"Cloudflare, Inc.","symbol":"NET"},"owners":[{"id":21622,"kind":"person","name":"Starzak Alissa Michelle","position":1,"cik":"0002128025","reported_name":"Starzak Alissa Michelle","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Legal Officer"}}],"security":"Class A Common Stock","published_at":"2026-05-19T21:46:48.000Z","date":"2026-05-15","kind":"tax_withholding","planned":false,"acquired":false,"shares":3769,"price":199.81,"value":753083.89,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The shares were withheld to satisfy the reporting person's tax liability in connection with the vesting of restricted stock units, or RSUs."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 104 shares of Class A Common Stock acquired under the Issuer's employee stock purchase plan on May 8, 2026."}],"balance_after":124637,"source":{"system":"sec-edgar","filing":"0002128025-26-000007","document":"wk-form4_1779227205.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1477333/000212802526000007/wk-form4_1779227205.xml","form_type":"4"}},{"id":782279,"issuer":{"id":2910,"kind":"organization","name":"Cloudflare, Inc.","symbol":"NET"},"owners":[{"id":21622,"kind":"person","name":"Starzak Alissa Michelle","position":1,"cik":"0002128025","reported_name":"Starzak Alissa Michelle","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Legal Officer"}}],"security":"Performance Stock Option (right to buy)","published_at":"2026-05-12T20:38:28.000Z","date":"2026-05-11","kind":"grant","planned":false,"acquired":true,"shares":128000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"The shares subject to the Performance Stock Option are comprised of four separate tranches that become eligible to vest upon achievement of certain stock price targets (the \"Stock Price Goals\") ranging from $263.00 - $579.00 at any time within ten years of May 11, 2026.  The Performance Stock Options are subject to \"continued eligible service\" through the date the applicable Stock Price Goal is determined to have been achieved. In addition to satisfaction of the Stock Price Goals, the Performance Stock Options are subject to additional, time-based vesting requirements, under which 1/6 of the total shares subject to the Performance Stock Options vest and become exercisable on each Quarterly Vesting Date following the Certification Date, subject to continued eligible service through each vesting date. The time-based vesting requirements are waived upon a change in control of the Company."}],"balance_after":128000,"derivative":{"exercise_price":193.52,"expiration_date":"2036-05-10","underlying":"Class A Common Stock","underlying_shares":128000},"source":{"system":"sec-edgar","filing":"0002128025-26-000005","document":"form4-05122026_080521.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1477333/000212802526000005/form4-05122026_080521.xml","form_type":"4"}},{"id":796796,"issuer":{"id":2910,"kind":"organization","name":"Cloudflare, Inc.","symbol":"NET"},"owners":[{"id":21622,"kind":"person","name":"Starzak Alissa Michelle","position":1,"cik":"0002128025","reported_name":"Starzak Alissa Michelle","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Legal Officer"}}],"security":"Class A Common Stock","published_at":"2026-04-30T23:27:51.000Z","date":"2026-04-29","kind":"grant","planned":false,"acquired":true,"shares":63305,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The reported shares are represented by restricted stock units, or RSUs, which vest as follows: 38,957 RSUs vest in 16 equal quarterly installments beginning on May 15, 2026 and an additional 24,348 RSUs vest in eight equal quarterly installments beginning on February 15, 2027."}],"balance_after":128302,"source":{"system":"sec-edgar","filing":"0002128025-26-000003","document":"form4-04302026_110444.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1477333/000212802526000003/form4-04302026_110444.xml","form_type":"4"}}]}