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This sale is mandated by the Issuer's election under its equity incentive plans to require the satisfaction of minimum statutory tax withholding obligations to be funded by a \"sell-to-cover\" transaction and does not represent a discretionary sale by the Reporting Person."},{"field":"price","element":"transactionPricePerShare","label":"F6","text":"The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $315.23 to $316.07 per share, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or to the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"A portion of these shares represent RSUs. 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This sale is mandated by the Issuer's election under its equity incentive plans to require the satisfaction of minimum statutory tax withholding obligations to be funded by a \"sell-to-cover\" transaction and does not represent a discretionary sale by the Reporting Person."},{"field":"price","element":"transactionPricePerShare","label":"F5","text":"The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $314.16 to $315.13 per share, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or to the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"A portion of these shares represent RSUs. 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This sale is mandated by the Issuer's election under its equity incentive plans to require the satisfaction of minimum statutory tax withholding obligations to be funded by a \"sell-to-cover\" transaction and does not represent a discretionary sale by the Reporting Person."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $311.93 to $312.8 per share, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or to the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"A portion of these shares represent RSUs. 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This sale is mandated by the Issuer's election under its equity incentive plans to require the satisfaction of minimum statutory tax withholding obligations to be funded by a \"sell-to-cover\" transaction and does not represent a discretionary sale by the Reporting Person."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"A portion of these shares represent RSUs. 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This sale is mandated by the Issuer's election under its equity incentive plans to require the satisfaction of minimum statutory tax withholding obligations to be funded by a \"sell-to-cover\" transaction and does not represent a discretionary sale by the Reporting Person."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $352.1000 to $352.8300 per share, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or to the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"A portion of these shares represent RSUs. Each RSU represents a contingent right to receive one share of Issuer's Class A common stock."}],"balance_after":24184,"source":{"system":"sec-edgar","filing":"0001447669-21-000208","document":"wf-form4_162932994647684.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1665730/000144766921000208/wf-form4_162932994647684.xml","form_type":"4"}},{"id":2597900,"issuer":{"id":3109,"kind":"organization","name":"TWILIO INC","symbol":"TWLO"},"owners":[{"id":132741,"kind":"person","name":"Smith Karyn","position":1,"cik":"0001665730","reported_name":"Smith Karyn","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel and Secretary"}}],"security":"Class A Common Stock","published_at":"2021-08-18T19:39:20.000Z","date":"2021-08-16","kind":"sale","acquired":false,"shares":1,"price":350.0001,"value":350.0001,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents the number of shares sold to cover the statutory tax withholding obligations in connection with the vesting of Restricted Stock Units (\"RSUs\"). This sale is mandated by the Issuer's election under its equity incentive plans to require the satisfaction of minimum statutory tax withholding obligations to be funded by a \"sell-to-cover\" transaction and does not represent a discretionary sale by the Reporting Person."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"A portion of these shares represent RSUs. Each RSU represents a contingent right to receive one share of Issuer's Class A common stock."}],"balance_after":24290,"source":{"system":"sec-edgar","filing":"0001447669-21-000208","document":"wf-form4_162932994647684.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1665730/000144766921000208/wf-form4_162932994647684.xml","form_type":"4"}},{"id":2644732,"issuer":{"id":3109,"kind":"organization","name":"TWILIO INC","symbol":"TWLO"},"owners":[{"id":132741,"kind":"person","name":"Smith Karyn","position":1,"cik":"0001665730","reported_name":"Smith Karyn","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel and Secretary"}}],"security":"Class A Common Stock","published_at":"2021-07-02T19:22:27.000Z","date":"2021-06-30","kind":"gift","acquired":true,"shares":1326,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By The Karyn Smith Revocable Trust"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F5","text":"Represents the shares received by the Reporting Person's trust."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F6","text":"The Karyn Smith Revocable Trust U/A/D 9/15/06 Amended 12/23/11, Karyn Smith Trustee."}],"balance_after":6427,"source":{"system":"sec-edgar","filing":"0001447669-21-000169","document":"wf-form4_162526813343719.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1665730/000144766921000169/wf-form4_162526813343719.xml","form_type":"4"}},{"id":2644731,"issuer":{"id":3109,"kind":"organization","name":"TWILIO INC","symbol":"TWLO"},"owners":[{"id":132741,"kind":"person","name":"Smith Karyn","position":1,"cik":"0001665730","reported_name":"Smith Karyn","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel and Secretary"}}],"security":"Class A Common Stock","published_at":"2021-07-02T19:22:27.000Z","date":"2021-06-30","kind":"gift","acquired":false,"shares":1326,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F4","text":"Represents shares that were contributed by the Reporting Person to the Reporting Person's trust."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"A portion of these shares represent RSUs. Each RSU represents a contingent right to receive one share of Issuer's Class A common stock."}],"balance_after":24291,"source":{"system":"sec-edgar","filing":"0001447669-21-000169","document":"wf-form4_162526813343719.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1665730/000144766921000169/wf-form4_162526813343719.xml","form_type":"4"}},{"id":2644730,"issuer":{"id":3109,"kind":"organization","name":"TWILIO INC","symbol":"TWLO"},"owners":[{"id":132741,"kind":"person","name":"Smith Karyn","position":1,"cik":"0001665730","reported_name":"Smith Karyn","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel and Secretary"}}],"security":"Class A Common Stock","published_at":"2021-07-02T19:22:27.000Z","date":"2021-06-30","kind":"sale","acquired":false,"shares":476,"price":394.7637,"value":187907.5212,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents the number of shares sold to cover the statutory tax withholding obligations in connection with the vesting of Restricted Stock Units (\"RSUs\"). This sale is mandated by the Issuer's election under its equity incentive plans to require the satisfaction of minimum statutory tax withholding obligations to be funded by a \"sell-to-cover\" transaction and does not represent a discretionary sale by the Reporting Person."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $394.50 to $395.12 per share, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or to the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"A portion of these shares represent RSUs. Each RSU represents a contingent right to receive one share of Issuer's Class A common stock."}],"balance_after":25617,"source":{"system":"sec-edgar","filing":"0001447669-21-000169","document":"wf-form4_162526813343719.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1665730/000144766921000169/wf-form4_162526813343719.xml","form_type":"4"}},{"id":2705531,"issuer":{"id":3109,"kind":"organization","name":"TWILIO INC","symbol":"TWLO"},"owners":[{"id":132741,"kind":"person","name":"Smith Karyn","position":1,"cik":"0001665730","reported_name":"Smith Karyn","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel and Secretary"}}],"security":"Class A Common Stock","published_at":"2021-05-19T18:18:36.000Z","date":"2021-05-17","kind":"sale","acquired":false,"shares":60,"price":303.735,"value":18224.1,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents the number of shares sold to cover the statutory tax withholding obligations in connection with the vesting of Restricted Stock Units (\"RSUs\"). This sale is mandated by the Issuer's election under its equity incentive plans to require the satisfaction of minimum statutory tax withholding obligations to be funded by a \"sell-to-cover\" transaction and does not represent a discretionary sale by the Reporting Person."},{"field":"price","element":"transactionPricePerShare","label":"F9","text":"The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $303.6600 to $303.8100 per share, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or to the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"A portion of these shares represent RSUs. Each RSU represents a contingent right to receive one share of Issuer's Class A common stock."}],"balance_after":26093,"source":{"system":"sec-edgar","filing":"0001447669-21-000142","document":"wf-form4_162146269062496.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/1665730/000144766921000142/wf-form4_162146269062496.xml","form_type":"4"}},{"id":2705530,"issuer":{"id":3109,"kind":"organization","name":"TWILIO INC","symbol":"TWLO"},"owners":[{"id":132741,"kind":"person","name":"Smith Karyn","position":1,"cik":"0001665730","reported_name":"Smith Karyn","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel and Secretary"}}],"security":"Class A Common Stock","published_at":"2021-05-19T18:18:36.000Z","date":"2021-05-17","kind":"sale","acquired":false,"shares":73,"price":302.8353,"value":22106.9769,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents the number of shares sold to cover the statutory tax withholding obligations in connection with the vesting of Restricted Stock Units (\"RSUs\"). This sale is mandated by the Issuer's election under its equity incentive plans to require the satisfaction of minimum statutory tax withholding obligations to be funded by a \"sell-to-cover\" transaction and does not represent a discretionary sale by the Reporting Person."},{"field":"price","element":"transactionPricePerShare","label":"F8","text":"The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $302.3100 to $303.2200 per share, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or to the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"A portion of these shares represent RSUs. Each RSU represents a contingent right to receive one share of Issuer's Class A common stock."}],"balance_after":26153,"source":{"system":"sec-edgar","filing":"0001447669-21-000142","document":"wf-form4_162146269062496.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1665730/000144766921000142/wf-form4_162146269062496.xml","form_type":"4"}},{"id":2705529,"issuer":{"id":3109,"kind":"organization","name":"TWILIO INC","symbol":"TWLO"},"owners":[{"id":132741,"kind":"person","name":"Smith Karyn","position":1,"cik":"0001665730","reported_name":"Smith Karyn","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel and Secretary"}}],"security":"Class A Common Stock","published_at":"2021-05-19T18:18:36.000Z","date":"2021-05-17","kind":"sale","acquired":false,"shares":216,"price":300.3429,"value":64874.0664,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents the number of shares sold to cover the statutory tax withholding obligations in connection with the vesting of Restricted Stock Units (\"RSUs\"). This sale is mandated by the Issuer's election under its equity incentive plans to require the satisfaction of minimum statutory tax withholding obligations to be funded by a \"sell-to-cover\" transaction and does not represent a discretionary sale by the Reporting Person."},{"field":"price","element":"transactionPricePerShare","label":"F7","text":"The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $300.0300 to $300.7600 per share, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or to the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"A portion of these shares represent RSUs. Each RSU represents a contingent right to receive one share of Issuer's Class A common stock."}],"balance_after":26226,"source":{"system":"sec-edgar","filing":"0001447669-21-000142","document":"wf-form4_162146269062496.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1665730/000144766921000142/wf-form4_162146269062496.xml","form_type":"4"}},{"id":2705528,"issuer":{"id":3109,"kind":"organization","name":"TWILIO INC","symbol":"TWLO"},"owners":[{"id":132741,"kind":"person","name":"Smith Karyn","position":1,"cik":"0001665730","reported_name":"Smith Karyn","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel and Secretary"}}],"security":"Class A Common Stock","published_at":"2021-05-19T18:18:36.000Z","date":"2021-05-17","kind":"sale","acquired":false,"shares":277,"price":299.3562,"value":82921.6674,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents the number of shares sold to cover the statutory tax withholding obligations in connection with the vesting of Restricted Stock Units (\"RSUs\"). This sale is mandated by the Issuer's election under its equity incentive plans to require the satisfaction of minimum statutory tax withholding obligations to be funded by a \"sell-to-cover\" transaction and does not represent a discretionary sale by the Reporting Person."},{"field":"price","element":"transactionPricePerShare","label":"F6","text":"The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $299.0000 to $299.8300 per share, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or to the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"A portion of these shares represent RSUs. Each RSU represents a contingent right to receive one share of Issuer's Class A common stock."}],"balance_after":26442,"source":{"system":"sec-edgar","filing":"0001447669-21-000142","document":"wf-form4_162146269062496.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1665730/000144766921000142/wf-form4_162146269062496.xml","form_type":"4"}},{"id":2705527,"issuer":{"id":3109,"kind":"organization","name":"TWILIO INC","symbol":"TWLO"},"owners":[{"id":132741,"kind":"person","name":"Smith Karyn","position":1,"cik":"0001665730","reported_name":"Smith Karyn","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel and Secretary"}}],"security":"Class A Common Stock","published_at":"2021-05-19T18:18:36.000Z","date":"2021-05-17","kind":"sale","acquired":false,"shares":114,"price":298.0871,"value":33981.9294,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents the number of shares sold to cover the statutory tax withholding obligations in connection with the vesting of Restricted Stock Units (\"RSUs\"). This sale is mandated by the Issuer's election under its equity incentive plans to require the satisfaction of minimum statutory tax withholding obligations to be funded by a \"sell-to-cover\" transaction and does not represent a discretionary sale by the Reporting Person."},{"field":"price","element":"transactionPricePerShare","label":"F5","text":"The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $297.8000 to $298.6020 per share, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or to the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"A portion of these shares represent RSUs. Each RSU represents a contingent right to receive one share of Issuer's Class A common stock."}],"balance_after":26719,"source":{"system":"sec-edgar","filing":"0001447669-21-000142","document":"wf-form4_162146269062496.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1665730/000144766921000142/wf-form4_162146269062496.xml","form_type":"4"}},{"id":2705526,"issuer":{"id":3109,"kind":"organization","name":"TWILIO INC","symbol":"TWLO"},"owners":[{"id":132741,"kind":"person","name":"Smith Karyn","position":1,"cik":"0001665730","reported_name":"Smith Karyn","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel and Secretary"}}],"security":"Class A Common Stock","published_at":"2021-05-19T18:18:36.000Z","date":"2021-05-17","kind":"sale","acquired":false,"shares":151,"price":296.9503,"value":44839.4953,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents the number of shares sold to cover the statutory tax withholding obligations in connection with the vesting of Restricted Stock Units (\"RSUs\"). This sale is mandated by the Issuer's election under its equity incentive plans to require the satisfaction of minimum statutory tax withholding obligations to be funded by a \"sell-to-cover\" transaction and does not represent a discretionary sale by the Reporting Person."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $296.6201 to $297.0000 per share, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or to the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"A portion of these shares represent RSUs. Each RSU represents a contingent right to receive one share of Issuer's Class A common stock."}],"balance_after":26833,"source":{"system":"sec-edgar","filing":"0001447669-21-000142","document":"wf-form4_162146269062496.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1665730/000144766921000142/wf-form4_162146269062496.xml","form_type":"4"}},{"id":2705525,"issuer":{"id":3109,"kind":"organization","name":"TWILIO INC","symbol":"TWLO"},"owners":[{"id":132741,"kind":"person","name":"Smith Karyn","position":1,"cik":"0001665730","reported_name":"Smith Karyn","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel and Secretary"}}],"security":"Class A Common Stock","published_at":"2021-05-19T18:18:36.000Z","date":"2021-05-17","kind":"sale","acquired":false,"shares":176,"price":293.5274,"value":51660.8224,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents the number of shares sold to cover the statutory tax withholding obligations in connection with the vesting of Restricted Stock Units (\"RSUs\"). This sale is mandated by the Issuer's election under its equity incentive plans to require the satisfaction of minimum statutory tax withholding obligations to be funded by a \"sell-to-cover\" transaction and does not represent a discretionary sale by the Reporting Person."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $293.3800 to $293.6300 per share, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or to the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"A portion of these shares represent RSUs. 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