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These shares were sold in multiple transactions at prices ranging from $42.73 to $43.20, inclusive. The reporting person undertakes to provide Five9, Inc., any security holder of Five9, Inc., 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 this footnote."}],"balance_after":107255,"source":{"system":"sec-edgar","filing":"0001288847-24-000093","document":"wk-form4_1718226467.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1288847/000128884724000093/wk-form4_1718226467.xml","form_type":"4"}},{"id":1481909,"issuer":{"id":4346,"kind":"organization","name":"Five9, Inc.","symbol":"FIVN"},"owners":[{"id":28552,"kind":"person","name":"ZWARENSTEIN BARRY","position":1,"cik":"0001227348","reported_name":"ZWARENSTEIN BARRY","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Common Stock","published_at":"2024-06-12T21:07:56.000Z","date":"2024-06-10","kind":"sale","planned":true,"acquired":false,"shares":6973,"price":42.48,"value":296213.04,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The reported sales were to cover taxes upon the vesting of restricted stock units."},{"field":"shares","element":"transactionShares","label":"F2","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on March 4, 2024."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The price reported in Column 4 is a weighted average price. 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The reporting person undertakes to provide Five9, Inc., any security holder of Five9, Inc., 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 this footnote."}],"balance_after":77303,"source":{"system":"sec-edgar","filing":"0001288847-23-000112","document":"wk-form4a_1686948665.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1288847/000128884723000112/wk-form4a_1686948665.xml","form_type":"4/A","original_submission_date":"2023-06-13"}},{"id":1857083,"issuer":{"id":4346,"kind":"organization","name":"Five9, Inc.","symbol":"FIVN"},"owners":[{"id":28552,"kind":"person","name":"ZWARENSTEIN BARRY","position":1,"cik":"0001227348","reported_name":"ZWARENSTEIN BARRY","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Common Stock","published_at":"2023-06-13T20:39:39.000Z","date":"2023-06-09","kind":"sale","planned":true,"acquired":false,"shares":10000,"price":75.04,"value":750400.0,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 10, 2022."},{"field":"price","element":"transactionPricePerShare","label":"F2","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 $70.27 to $70.29, inclusive. The reporting person undertakes to provide Five9, Inc., any security holder of Five9, Inc., 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 this footnote."}],"balance_after":120808,"source":{"system":"sec-edgar","filing":"0001288847-23-000102","document":"wk-form4_1686084934.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1288847/000128884723000102/wk-form4_1686084934.xml","form_type":"4"}},{"id":1865016,"issuer":{"id":4346,"kind":"organization","name":"Five9, Inc.","symbol":"FIVN"},"owners":[{"id":28552,"kind":"person","name":"ZWARENSTEIN BARRY","position":1,"cik":"0001227348","reported_name":"ZWARENSTEIN BARRY","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Common Stock","published_at":"2023-06-06T20:55:43.000Z","date":"2023-06-05","kind":"sale","planned":true,"acquired":false,"shares":8258,"price":69.91,"value":577316.78,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 10, 2022."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $69.21to $70.21, inclusive. The reporting person undertakes to provide Five9, Inc., any security holder of Five9, Inc., 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 this footnote."}],"balance_after":121008,"source":{"system":"sec-edgar","filing":"0001288847-23-000102","document":"wk-form4_1686084934.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1288847/000128884723000102/wk-form4_1686084934.xml","form_type":"4"}},{"id":1865015,"issuer":{"id":4346,"kind":"organization","name":"Five9, Inc.","symbol":"FIVN"},"owners":[{"id":28552,"kind":"person","name":"ZWARENSTEIN BARRY","position":1,"cik":"0001227348","reported_name":"ZWARENSTEIN BARRY","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Common Stock","published_at":"2023-06-06T20:55:43.000Z","date":"2023-06-05","kind":"sale","planned":true,"acquired":false,"shares":1542,"price":68.48,"value":105596.16,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 10, 2022."},{"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 $68.00 to $68.92, inclusive. The reporting person undertakes to provide Five9, Inc., any security holder of Five9, Inc., 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 this footnote."}],"balance_after":129266,"source":{"system":"sec-edgar","filing":"0001288847-23-000102","document":"wk-form4_1686084934.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1288847/000128884723000102/wk-form4_1686084934.xml","form_type":"4"}},{"id":1865014,"issuer":{"id":4346,"kind":"organization","name":"Five9, Inc.","symbol":"FIVN"},"owners":[{"id":28552,"kind":"person","name":"ZWARENSTEIN BARRY","position":1,"cik":"0001227348","reported_name":"ZWARENSTEIN BARRY","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Common Stock","published_at":"2023-06-06T20:55:43.000Z","date":"2023-06-02","kind":"sale","planned":true,"acquired":false,"shares":2500,"price":70.05,"value":175125.0,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 10, 2022."},{"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 $70.01 to $70.09, inclusive. The reporting person undertakes to provide Five9, Inc., any security holder of Five9, Inc., 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 this footnote."}],"balance_after":87303,"source":{"system":"sec-edgar","filing":"0001288847-23-000102","document":"wk-form4_1686084934.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1288847/000128884723000102/wk-form4_1686084934.xml","form_type":"4"}},{"id":1882404,"issuer":{"id":4346,"kind":"organization","name":"Five9, Inc.","symbol":"FIVN"},"owners":[{"id":28552,"kind":"person","name":"ZWARENSTEIN BARRY","position":1,"cik":"0001227348","reported_name":"ZWARENSTEIN BARRY","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Common Stock","published_at":"2023-05-22T23:33:10.000Z","date":"2023-05-22","kind":"sale","planned":true,"acquired":false,"shares":2500,"price":65.09,"value":162725.0,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 10, 2022."},{"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 $65.00 to $65.25, inclusive. The reporting person undertakes to provide Five9, Inc., any security holder of Five9, Inc., 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 this footnote."}],"balance_after":89803,"source":{"system":"sec-edgar","filing":"0001288847-23-000099","document":"wf-form4_168479837687605.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1288847/000128884723000099/wf-form4_168479837687605.xml","form_type":"4"}},{"id":1882403,"issuer":{"id":4346,"kind":"organization","name":"Five9, Inc.","symbol":"FIVN"},"owners":[{"id":28552,"kind":"person","name":"ZWARENSTEIN BARRY","position":1,"cik":"0001227348","reported_name":"ZWARENSTEIN BARRY","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Common Stock","published_at":"2023-05-22T23:33:10.000Z","date":"2023-05-18","kind":"sale","planned":true,"acquired":false,"shares":2500,"price":60.02,"value":150050.0,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 10, 2022."},{"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 $60.00 to $60.06, inclusive. 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These shares were sold in multiple transactions at prices ranging from $71.47 to $71.82, inclusive. The reporting person undertakes to provide Five9, Inc., any security holder of Five9, Inc., 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 this footnote."}],"balance_after":97303,"source":{"system":"sec-edgar","filing":"0001288847-23-000067","document":"wf-form4_168193802989595.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1288847/000128884723000067/wf-form4_168193802989595.xml","form_type":"4"}},{"id":1917101,"issuer":{"id":4346,"kind":"organization","name":"Five9, Inc.","symbol":"FIVN"},"owners":[{"id":28552,"kind":"person","name":"ZWARENSTEIN BARRY","position":1,"cik":"0001227348","reported_name":"ZWARENSTEIN BARRY","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Common Stock","published_at":"2023-04-19T21:00:41.000Z","date":"2023-04-17","kind":"sale","planned":true,"acquired":false,"shares":9249,"price":71.2,"value":658528.8,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 10, 2022."},{"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 $70.46 to $71.46, inclusive. 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These shares were sold in multiple transactions at prices ranging from $70.00 to $70.17, inclusive. The reporting person undertakes to provide Five9, Inc., any security holder of Five9, Inc., 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 this footnote."}],"balance_after":107303,"source":{"system":"sec-edgar","filing":"0001288847-23-000043","document":"wf-form4_168029781214013.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1288847/000128884723000043/wf-form4_168029781214013.xml","form_type":"4"}},{"id":1933841,"issuer":{"id":4346,"kind":"organization","name":"Five9, Inc.","symbol":"FIVN"},"owners":[{"id":28552,"kind":"person","name":"ZWARENSTEIN BARRY","position":1,"cik":"0001227348","reported_name":"ZWARENSTEIN BARRY","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Common Stock","published_at":"2023-03-31T21:23:43.000Z","date":"2023-03-29","kind":"sale","planned":true,"acquired":false,"shares":2500,"price":65.06,"value":162650.0,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 10, 2022."},{"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 $65.00 to $65.13, inclusive. The reporting person undertakes to provide Five9, Inc., any security holder of Five9, Inc., 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 this footnote."}],"balance_after":109803,"source":{"system":"sec-edgar","filing":"0001288847-23-000043","document":"wf-form4_168029781214013.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1288847/000128884723000043/wf-form4_168029781214013.xml","form_type":"4"}},{"id":1946598,"issuer":{"id":4346,"kind":"organization","name":"Five9, Inc.","symbol":"FIVN"},"owners":[{"id":28552,"kind":"person","name":"ZWARENSTEIN BARRY","position":1,"cik":"0001227348","reported_name":"ZWARENSTEIN BARRY","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Common Stock","published_at":"2023-03-17T21:42:14.000Z","date":"2023-03-15","kind":"sale","acquired":false,"shares":3552,"price":62.16,"value":220792.32,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 10, 2022."},{"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 $61.72 to $62.62, inclusive. The reporting person undertakes to provide Five9, Inc., any security holder of Five9, Inc., 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 this footnote."}],"balance_after":112303,"source":{"system":"sec-edgar","filing":"0001288847-23-000041","document":"wf-form4_167908931780478.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1288847/000128884723000041/wf-form4_167908931780478.xml","form_type":"4"}},{"id":1946597,"issuer":{"id":4346,"kind":"organization","name":"Five9, Inc.","symbol":"FIVN"},"owners":[{"id":28552,"kind":"person","name":"ZWARENSTEIN BARRY","position":1,"cik":"0001227348","reported_name":"ZWARENSTEIN BARRY","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Common Stock","published_at":"2023-03-17T21:42:14.000Z","date":"2023-03-15","kind":"sale","acquired":false,"shares":1448,"price":61.07,"value":88429.36,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 10, 2022."},{"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 $60.71 to $61.71, inclusive. The reporting person undertakes to provide Five9, Inc., any security holder of Five9, Inc., 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 this footnote."}],"balance_after":115855,"source":{"system":"sec-edgar","filing":"0001288847-23-000041","document":"wf-form4_167908931780478.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1288847/000128884723000041/wf-form4_167908931780478.xml","form_type":"4"}},{"id":1963024,"issuer":{"id":4346,"kind":"organization","name":"Five9, Inc.","symbol":"FIVN"},"owners":[{"id":28552,"kind":"person","name":"ZWARENSTEIN BARRY","position":1,"cik":"0001227348","reported_name":"ZWARENSTEIN BARRY","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Common Stock","published_at":"2023-03-08T23:17:47.000Z","date":"2023-03-06","kind":"sale","acquired":false,"shares":1992,"price":68.7,"value":136850.4,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The reported sales were to cover taxes upon the vesting of restricted stock units."},{"field":"acquired","element":"transactionAcquiredDisposedCode","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 $68.68 to $68.72, inclusive. The reporting person undertakes to provide Five9, Inc., any security holder of Five9, Inc., 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 this footnote."}],"balance_after":130391,"source":{"system":"sec-edgar","filing":"0001288847-23-000036","document":"wf-form4_167831745640165.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1288847/000128884723000036/wf-form4_167831745640165.xml","form_type":"4"}},{"id":1983358,"issuer":{"id":4346,"kind":"organization","name":"Five9, Inc.","symbol":"FIVN"},"owners":[{"id":28552,"kind":"person","name":"ZWARENSTEIN BARRY","position":1,"cik":"0001227348","reported_name":"ZWARENSTEIN BARRY","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Common Stock","published_at":"2023-03-01T22:21:51.000Z","date":"2023-02-28","kind":"sale","acquired":false,"shares":497,"price":68.05,"value":33820.85,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"The reported sales were to cover taxes upon the vesting of performance-based RSUs."},{"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 $68.05 to $68.11, inclusive. The reporting person undertakes to provide Five9, Inc., any security holder of Five9, Inc., 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 this footnote."}],"balance_after":132383,"source":{"system":"sec-edgar","filing":"0001288847-23-000034","document":"wf-form4_167770928919855.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1288847/000128884723000034/wf-form4_167770928919855.xml","form_type":"4"}},{"id":1983357,"issuer":{"id":4346,"kind":"organization","name":"Five9, Inc.","symbol":"FIVN"},"owners":[{"id":28552,"kind":"person","name":"ZWARENSTEIN BARRY","position":1,"cik":"0001227348","reported_name":"ZWARENSTEIN BARRY","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Common Stock","published_at":"2023-03-01T22:21:51.000Z","date":"2023-02-27","kind":"grant","acquired":true,"shares":1378,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Settlement of non-derivative performance-based RSUs."}],"balance_after":132880,"source":{"system":"sec-edgar","filing":"0001288847-23-000034","document":"wf-form4_167770928919855.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1288847/000128884723000034/wf-form4_167770928919855.xml","form_type":"4"}},{"id":1983356,"issuer":{"id":4346,"kind":"organization","name":"Five9, Inc.","symbol":"FIVN"},"owners":[{"id":28552,"kind":"person","name":"ZWARENSTEIN BARRY","position":1,"cik":"0001227348","reported_name":"ZWARENSTEIN BARRY","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Common Stock","published_at":"2023-03-01T22:21:51.000Z","date":"2023-02-27","kind":"grant","acquired":true,"shares":34259,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":131502,"source":{"system":"sec-edgar","filing":"0001288847-23-000034","document":"wf-form4_167770928919855.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1288847/000128884723000034/wf-form4_167770928919855.xml","form_type":"4"}},{"id":2093185,"issuer":{"id":4346,"kind":"organization","name":"Five9, Inc.","symbol":"FIVN"},"owners":[{"id":28552,"kind":"person","name":"ZWARENSTEIN BARRY","position":1,"cik":"0001227348","reported_name":"ZWARENSTEIN BARRY","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Common Stock","published_at":"2022-12-07T21:31:31.000Z","date":"2022-12-05","kind":"sale","acquired":false,"shares":300,"price":67.83,"value":20349.0,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on May 3, 2022."},{"field":"shares","element":"transactionShares","label":"F2","text":"The reported sales were to cover taxes upon the vesting of restricted stock units."},{"field":"price","element":"transactionPricePerShare","label":"F5","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $67.29 to $68.17, inclusive. The reporting person undertakes to provide Five9, Inc., any security holder of Five9, Inc., 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 this footnote."}],"balance_after":100666,"source":{"system":"sec-edgar","filing":"0001288847-22-000123","document":"wf-form4_167044866537033.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1288847/000128884722000123/wf-form4_167044866537033.xml","form_type":"4"}},{"id":2093184,"issuer":{"id":4346,"kind":"organization","name":"Five9, Inc.","symbol":"FIVN"},"owners":[{"id":28552,"kind":"person","name":"ZWARENSTEIN BARRY","position":1,"cik":"0001227348","reported_name":"ZWARENSTEIN BARRY","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Common Stock","published_at":"2022-12-07T21:31:31.000Z","date":"2022-12-05","kind":"sale","acquired":false,"shares":900,"price":66.82,"value":60138.0,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on May 3, 2022."},{"field":"shares","element":"transactionShares","label":"F2","text":"The reported sales were to cover taxes upon the vesting of restricted stock units."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $66.21 to $67.21, inclusive. The reporting person undertakes to provide Five9, Inc., any security holder of Five9, Inc., 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 this footnote."}],"balance_after":100966,"source":{"system":"sec-edgar","filing":"0001288847-22-000123","document":"wf-form4_167044866537033.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1288847/000128884722000123/wf-form4_167044866537033.xml","form_type":"4"}},{"id":2093183,"issuer":{"id":4346,"kind":"organization","name":"Five9, Inc.","symbol":"FIVN"},"owners":[{"id":28552,"kind":"person","name":"ZWARENSTEIN BARRY","position":1,"cik":"0001227348","reported_name":"ZWARENSTEIN BARRY","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Common Stock","published_at":"2022-12-07T21:31:31.000Z","date":"2022-12-05","kind":"sale","acquired":false,"shares":1793,"price":65.65,"value":117710.45,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on May 3, 2022."},{"field":"shares","element":"transactionShares","label":"F2","text":"The reported sales were to cover taxes upon the vesting of restricted stock units."},{"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 $65.16 to $66.10, inclusive. The reporting person undertakes to provide Five9, Inc., any security holder of Five9, Inc., 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 this footnote."}],"balance_after":101866,"source":{"system":"sec-edgar","filing":"0001288847-22-000123","document":"wf-form4_167044866537033.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1288847/000128884722000123/wf-form4_167044866537033.xml","form_type":"4"}},{"id":2103278,"issuer":{"id":4346,"kind":"organization","name":"Five9, Inc.","symbol":"FIVN"},"owners":[{"id":28552,"kind":"person","name":"ZWARENSTEIN BARRY","position":1,"cik":"0001227348","reported_name":"ZWARENSTEIN BARRY","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Common Stock","published_at":"2022-11-28T22:41:50.000Z","date":"2022-11-23","kind":"grant","acquired":true,"shares":35306,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"Includes 1 share acquired under the Five9, Inc. 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These shares were sold in multiple transactions at prices ranging from $90.81 to $91.70, inclusive. The reporting person undertakes to provide Five9, Inc., any security holder of Five9, Inc., 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 this footnote."}],"balance_after":103759,"source":{"system":"sec-edgar","filing":"0001288847-22-000097","document":"wf-form4_166267171489143.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1288847/000128884722000097/wf-form4_166267171489143.xml","form_type":"4"}},{"id":2163010,"issuer":{"id":4346,"kind":"organization","name":"Five9, Inc.","symbol":"FIVN"},"owners":[{"id":28552,"kind":"person","name":"ZWARENSTEIN BARRY","position":1,"cik":"0001227348","reported_name":"ZWARENSTEIN BARRY","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Common Stock","published_at":"2022-09-08T21:15:30.000Z","date":"2022-09-06","kind":"sale","acquired":false,"shares":1400,"price":90.2,"value":126280.0,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on May 3, 2022."},{"field":"shares","element":"transactionShares","label":"F2","text":"The reported sales were to cover taxes upon the vesting of restricted stock units."},{"field":"price","element":"transactionPricePerShare","label":"F4","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 $100.02 to $100.13, inclusive. 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The RSUs will vest on the earlier of (i) the date of the following year's Annual Meeting (or the date immediately prior to the next Annual Meeting if the Non-Employee Director's service as a director ends at such meeting due to the director's failure to be re-elected or the director not standing for re-election); or (ii) the first anniversary of the date of the grant."}],"balance_after":57086,"source":{"system":"sec-edgar","filing":"0001562180-22-005072","document":"primarydocument.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1110611/000156218022005072/primarydocument.xml","form_type":"4"}},{"id":2238927,"issuer":{"id":4346,"kind":"organization","name":"Five9, Inc.","symbol":"FIVN"},"owners":[{"id":28552,"kind":"person","name":"ZWARENSTEIN BARRY","position":1,"cik":"0001227348","reported_name":"ZWARENSTEIN BARRY","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Employee Stock Option (right to buy)","published_at":"2022-06-08T21:46:51.000Z","date":"2022-06-06","kind":"exercise","acquired":false,"shares":6500,"price":100.83,"value":655395.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F9","text":"The option granted on December 18, 2017 is fully vested."}],"balance_after":18168,"derivative":{"exercise_price":24.6,"expiration_date":"2027-12-18","underlying":"Common Stock","underlying_shares":6500},"source":{"system":"sec-edgar","filing":"0001288847-22-000071","document":"wf-form4_165472479192866.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":9,"url":"https://www.sec.gov/Archives/edgar/data/1288847/000128884722000071/wf-form4_165472479192866.xml","form_type":"4"}},{"id":2238926,"issuer":{"id":4346,"kind":"organization","name":"Five9, Inc.","symbol":"FIVN"},"owners":[{"id":28552,"kind":"person","name":"ZWARENSTEIN BARRY","position":1,"cik":"0001227348","reported_name":"ZWARENSTEIN BARRY","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Employee Stock Option (right to buy)","published_at":"2022-06-08T21:46:51.000Z","date":"2022-06-06","kind":"exercise","acquired":false,"shares":1168,"price":100.83,"value":117769.44,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F8","text":"The option granted on February 23, 2017 is fully vested."}],"balance_after":0,"derivative":{"exercise_price":16.25,"expiration_date":"2027-02-23","underlying":"Common Stock","underlying_shares":1168},"source":{"system":"sec-edgar","filing":"0001288847-22-000071","document":"wf-form4_165472479192866.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":8,"url":"https://www.sec.gov/Archives/edgar/data/1288847/000128884722000071/wf-form4_165472479192866.xml","form_type":"4"}},{"id":2238925,"issuer":{"id":4346,"kind":"organization","name":"Five9, Inc.","symbol":"FIVN"},"owners":[{"id":28552,"kind":"person","name":"ZWARENSTEIN BARRY","position":1,"cik":"0001227348","reported_name":"ZWARENSTEIN BARRY","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Common Stock","published_at":"2022-06-08T21:46:51.000Z","date":"2022-06-06","kind":"sale","acquired":false,"shares":2332,"price":102.15,"value":238213.8,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 1, 2021."},{"field":"shares","element":"transactionShares","label":"F5","text":"The reported sales were to cover taxes upon the vesting of restricted stock units."},{"field":"price","element":"transactionPricePerShare","label":"F7","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 $99.51 to $99.99, inclusive. The reporting person undertakes to provide Five9, Inc., any security holder of Five9, Inc., 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 this footnote."}],"balance_after":78573,"source":{"system":"sec-edgar","filing":"0001288847-22-000071","document":"wf-form4_165472479192866.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1288847/000128884722000071/wf-form4_165472479192866.xml","form_type":"4"}},{"id":2238923,"issuer":{"id":4346,"kind":"organization","name":"Five9, Inc.","symbol":"FIVN"},"owners":[{"id":28552,"kind":"person","name":"ZWARENSTEIN BARRY","position":1,"cik":"0001227348","reported_name":"ZWARENSTEIN BARRY","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Common Stock","published_at":"2022-06-08T21:46:51.000Z","date":"2022-06-06","kind":"sale","acquired":false,"shares":468,"price":101.57,"value":47534.76,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 1, 2021."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $101.54 to $101.67, inclusive. The reporting person undertakes to provide Five9, Inc., any security holder of Five9, Inc., 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 this footnote."}],"balance_after":79238,"source":{"system":"sec-edgar","filing":"0001288847-22-000071","document":"wf-form4_165472479192866.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1288847/000128884722000071/wf-form4_165472479192866.xml","form_type":"4"}},{"id":2238922,"issuer":{"id":4346,"kind":"organization","name":"Five9, Inc.","symbol":"FIVN"},"owners":[{"id":28552,"kind":"person","name":"ZWARENSTEIN BARRY","position":1,"cik":"0001227348","reported_name":"ZWARENSTEIN BARRY","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Common Stock","published_at":"2022-06-08T21:46:51.000Z","date":"2022-06-06","kind":"sale","acquired":false,"shares":4212,"price":100.33,"value":422589.96,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 1, 2021."},{"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 $100.14 to $100.71, inclusive. 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