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Upon request by the Securities and Exchange Commission staff, the Issuer or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price within the range set forth in this Form 4."}],"balance_after":1509881,"source":{"system":"sec-edgar","filing":"0001209191-21-067210","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1688365/000120919121067210/doc4.xml","form_type":"4"}},{"id":2492113,"issuer":{"id":4556,"kind":"organization","name":"BLACKLINE, INC.","symbol":"BL"},"owners":[{"id":19487,"kind":"person","name":"Tucker Therese","position":1,"cik":"0001688365","reported_name":"Tucker Therese","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive Chair"}}],"security":"Common Stock","published_at":"2021-12-01T00:39:16.000Z","date":"2021-11-30","kind":"sale","acquired":false,"shares":2683,"price":111.6159,"value":299465.4597,"ownership":{"direct":false,"nature":"Brian & Therese Tucker Living Trust"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale transaction reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on November 27, 2020."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The sale price represents the weighted-average price of shares sold ranging from $111.055 to $112.02 per share.  Upon request by the Securities and Exchange Commission staff, the Issuer or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price within the range set forth in this Form 4."}],"balance_after":1510053,"source":{"system":"sec-edgar","filing":"0001209191-21-067210","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1688365/000120919121067210/doc4.xml","form_type":"4"}},{"id":2492112,"issuer":{"id":4556,"kind":"organization","name":"BLACKLINE, INC.","symbol":"BL"},"owners":[{"id":19487,"kind":"person","name":"Tucker Therese","position":1,"cik":"0001688365","reported_name":"Tucker Therese","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive Chair"}}],"security":"Common Stock","published_at":"2021-12-01T00:39:16.000Z","date":"2021-11-30","kind":"sale","acquired":false,"shares":3400,"price":110.3875,"value":375317.5,"ownership":{"direct":false,"nature":"Brian & Therese Tucker Living Trust"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale transaction reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on November 27, 2020."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The sale price represents the weighted-average price of shares sold ranging from $110.105 to $110.88 per share.  Upon request by the Securities and Exchange Commission staff, the Issuer or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price within the range set forth in this Form 4."}],"balance_after":1512736,"source":{"system":"sec-edgar","filing":"0001209191-21-067210","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1688365/000120919121067210/doc4.xml","form_type":"4"}},{"id":2492111,"issuer":{"id":4556,"kind":"organization","name":"BLACKLINE, INC.","symbol":"BL"},"owners":[{"id":19487,"kind":"person","name":"Tucker Therese","position":1,"cik":"0001688365","reported_name":"Tucker Therese","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive Chair"}}],"security":"Common Stock","published_at":"2021-12-01T00:39:16.000Z","date":"2021-11-30","kind":"sale","acquired":false,"shares":3745,"price":109.7475,"value":411004.3875,"ownership":{"direct":false,"nature":"Brian & Therese Tucker Living Trust"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale transaction reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on November 27, 2020."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The sale price represents the weighted-average price of shares sold ranging from $109.04 to $109.985 per share.  Upon request by the Securities and Exchange Commission staff, the Issuer or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price within the range set forth in this Form 4."}],"balance_after":1516136,"source":{"system":"sec-edgar","filing":"0001209191-21-067210","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1688365/000120919121067210/doc4.xml","form_type":"4"}},{"id":2498282,"issuer":{"id":4556,"kind":"organization","name":"BLACKLINE, INC.","symbol":"BL"},"owners":[{"id":19487,"kind":"person","name":"Tucker Therese","position":1,"cik":"0001688365","reported_name":"Tucker Therese","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive Chair"}}],"security":"Common Stock","published_at":"2021-11-24T00:30:29.000Z","date":"2021-11-23","kind":"sale","acquired":false,"shares":1199,"price":114.9271,"value":137797.5929,"ownership":{"direct":false,"nature":"Brian & Therese Tucker Living Trust"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale transaction reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on November 27, 2020."},{"field":"price","element":"transactionPricePerShare","label":"F5","text":"The sale price represents the weighted-average price of shares sold ranging from $114.785 to $115.11 per share.  Upon request by the Securities and Exchange Commission staff, the Issuer or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price within the range set forth in this Form 4."}],"balance_after":1519881,"source":{"system":"sec-edgar","filing":"0001209191-21-066636","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1688365/000120919121066636/doc4.xml","form_type":"4"}},{"id":2498281,"issuer":{"id":4556,"kind":"organization","name":"BLACKLINE, INC.","symbol":"BL"},"owners":[{"id":19487,"kind":"person","name":"Tucker Therese","position":1,"cik":"0001688365","reported_name":"Tucker Therese","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive Chair"}}],"security":"Common Stock","published_at":"2021-11-24T00:30:29.000Z","date":"2021-11-23","kind":"sale","acquired":false,"shares":1800,"price":114.3353,"value":205803.54,"ownership":{"direct":false,"nature":"Brian & Therese Tucker Living Trust"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale transaction reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on November 27, 2020."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The sale price represents the weighted-average price of shares sold ranging from $113.82 to $114.71 per share.  Upon request by the Securities and Exchange Commission staff, the Issuer or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price within the range set forth in this Form 4."}],"balance_after":1521080,"source":{"system":"sec-edgar","filing":"0001209191-21-066636","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1688365/000120919121066636/doc4.xml","form_type":"4"}},{"id":2498280,"issuer":{"id":4556,"kind":"organization","name":"BLACKLINE, INC.","symbol":"BL"},"owners":[{"id":19487,"kind":"person","name":"Tucker Therese","position":1,"cik":"0001688365","reported_name":"Tucker Therese","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive Chair"}}],"security":"Common Stock","published_at":"2021-11-24T00:30:29.000Z","date":"2021-11-23","kind":"sale","acquired":false,"shares":2870,"price":113.1199,"value":324654.113,"ownership":{"direct":false,"nature":"Brian & Therese Tucker Living Trust"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale transaction reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on November 27, 2020."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The sale price represents the weighted-average price of shares sold ranging from $112.765 to $113.41 per share.  Upon request by the Securities and Exchange Commission staff, the Issuer or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price within the range set forth in this Form 4."}],"balance_after":1522880,"source":{"system":"sec-edgar","filing":"0001209191-21-066636","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1688365/000120919121066636/doc4.xml","form_type":"4"}},{"id":2498279,"issuer":{"id":4556,"kind":"organization","name":"BLACKLINE, INC.","symbol":"BL"},"owners":[{"id":19487,"kind":"person","name":"Tucker Therese","position":1,"cik":"0001688365","reported_name":"Tucker Therese","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive Chair"}}],"security":"Common Stock","published_at":"2021-11-24T00:30:29.000Z","date":"2021-11-23","kind":"sale","acquired":false,"shares":4131,"price":112.2693,"value":463784.4783,"ownership":{"direct":false,"nature":"Brian & Therese Tucker Living Trust"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale transaction reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on November 27, 2020."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The sale price represents the weighted-average price of shares sold ranging from $111.75 to $112.74 per share.  Upon request by the Securities and Exchange Commission staff, the Issuer or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price within the range set forth in this Form 4."}],"balance_after":1525750,"source":{"system":"sec-edgar","filing":"0001209191-21-066636","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1688365/000120919121066636/doc4.xml","form_type":"4"}},{"id":2500890,"issuer":{"id":4556,"kind":"organization","name":"BLACKLINE, INC.","symbol":"BL"},"owners":[{"id":19487,"kind":"person","name":"Tucker Therese","position":1,"cik":"0001688365","reported_name":"Tucker Therese","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive Chair"}}],"security":"Common Stock","published_at":"2021-11-22T21:32:14.000Z","date":"2021-11-19","kind":"tax_withholding","acquired":false,"shares":4959,"price":119.51,"value":592650.09,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The reported shares were withheld to cover the Reporting Person's tax liability in connection with the vesting of restricted stock units."}],"balance_after":151264,"source":{"system":"sec-edgar","filing":"0001209191-21-066103","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1688365/000120919121066103/doc4.xml","form_type":"4"}},{"id":2510686,"issuer":{"id":4556,"kind":"organization","name":"BLACKLINE, INC.","symbol":"BL"},"owners":[{"id":19487,"kind":"person","name":"Tucker Therese","position":1,"cik":"0001688365","reported_name":"Tucker Therese","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive Chair"}}],"security":"Common Stock","published_at":"2021-11-16T23:39:22.000Z","date":"2021-11-16","kind":"sale","acquired":false,"shares":276,"price":126.8088,"value":34999.2288,"ownership":{"direct":false,"nature":"Brian & Therese Tucker Living Trust"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale transaction reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on November 27, 2020."},{"field":"price","element":"transactionPricePerShare","label":"F5","text":"The sale price represents the weighted-average price of shares sold ranging from $126.63 to $126.88 per share.  Upon request by the Securities and Exchange Commission staff, the Issuer or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price within the range set forth in this Form 4."}],"balance_after":1529881,"source":{"system":"sec-edgar","filing":"0001209191-21-064861","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1688365/000120919121064861/doc4.xml","form_type":"4"}},{"id":2510685,"issuer":{"id":4556,"kind":"organization","name":"BLACKLINE, INC.","symbol":"BL"},"owners":[{"id":19487,"kind":"person","name":"Tucker Therese","position":1,"cik":"0001688365","reported_name":"Tucker Therese","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive Chair"}}],"security":"Common Stock","published_at":"2021-11-16T23:39:22.000Z","date":"2021-11-16","kind":"sale","acquired":false,"shares":12100,"price":126.1557,"value":1526483.97,"ownership":{"direct":false,"nature":"Brian & Therese Tucker Living Trust"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale transaction reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on November 27, 2020."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The sale price represents the weighted-average price of shares sold ranging from $125.60 to $126.525 per share.  Upon request by the Securities and Exchange Commission staff, the Issuer or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price within the range set forth in this Form 4."}],"balance_after":1530157,"source":{"system":"sec-edgar","filing":"0001209191-21-064861","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1688365/000120919121064861/doc4.xml","form_type":"4"}},{"id":2510684,"issuer":{"id":4556,"kind":"organization","name":"BLACKLINE, INC.","symbol":"BL"},"owners":[{"id":19487,"kind":"person","name":"Tucker Therese","position":1,"cik":"0001688365","reported_name":"Tucker Therese","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive Chair"}}],"security":"Common Stock","published_at":"2021-11-16T23:39:22.000Z","date":"2021-11-16","kind":"sale","acquired":false,"shares":11523,"price":124.9434,"value":1439722.7982,"ownership":{"direct":false,"nature":"Brian & Therese Tucker Living Trust"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale transaction reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on November 27, 2020."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The sale price represents the weighted-average price of shares sold ranging from $124.60 to $125.595 per share.  Upon request by the Securities and Exchange Commission staff, the Issuer or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price within the range set forth in this Form 4."}],"balance_after":1542257,"source":{"system":"sec-edgar","filing":"0001209191-21-064861","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1688365/000120919121064861/doc4.xml","form_type":"4"}},{"id":2510683,"issuer":{"id":4556,"kind":"organization","name":"BLACKLINE, INC.","symbol":"BL"},"owners":[{"id":19487,"kind":"person","name":"Tucker Therese","position":1,"cik":"0001688365","reported_name":"Tucker Therese","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive Chair"}}],"security":"Common Stock","published_at":"2021-11-16T23:39:22.000Z","date":"2021-11-16","kind":"sale","acquired":false,"shares":14766,"price":124.1983,"value":1833912.0978,"ownership":{"direct":false,"nature":"Brian & Therese Tucker Living Trust"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale transaction reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on November 27, 2020."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The sale price represents the weighted-average price of shares sold ranging from $123.60 to $124.593 per share.  Upon request by the Securities and Exchange Commission staff, the Issuer or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price within the range set forth in this Form 4."}],"balance_after":1553780,"source":{"system":"sec-edgar","filing":"0001209191-21-064861","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1688365/000120919121064861/doc4.xml","form_type":"4"}},{"id":2537355,"issuer":{"id":4556,"kind":"organization","name":"BLACKLINE, INC.","symbol":"BL"},"owners":[{"id":19487,"kind":"person","name":"Tucker Therese","position":1,"cik":"0001688365","reported_name":"Tucker Therese","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive Chair"}}],"security":"Common Stock","published_at":"2021-10-21T23:00:16.000Z","date":"2021-10-19","kind":"sale","acquired":false,"shares":800,"price":125.7694,"value":100615.52,"ownership":{"direct":false,"nature":"Brian & Therese Tucker Living Trust"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale transaction reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on November 27, 2020."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The sale price represents the weighted-average price of shares sold ranging from $125.695 to $125.93 per share.  Upon request by the Securities and Exchange Commission staff, the Issuer or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price within the range set forth in this Form 4."}],"balance_after":1568546,"source":{"system":"sec-edgar","filing":"0001209191-21-061302","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1688365/000120919121061302/doc4.xml","form_type":"4"}},{"id":2537354,"issuer":{"id":4556,"kind":"organization","name":"BLACKLINE, INC.","symbol":"BL"},"owners":[{"id":19487,"kind":"person","name":"Tucker Therese","position":1,"cik":"0001688365","reported_name":"Tucker Therese","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive Chair"}}],"security":"Common Stock","published_at":"2021-10-21T23:00:16.000Z","date":"2021-10-19","kind":"sale","acquired":false,"shares":21054,"price":125.1046,"value":2633952.2484,"ownership":{"direct":false,"nature":"Brian & Therese Tucker Living Trust"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale transaction reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on November 27, 2020."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The sale price represents the weighted-average price of shares sold ranging from $124.69 to $125.665 per share.  Upon request by the Securities and Exchange Commission staff, the Issuer or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price within the range set forth in this Form 4."}],"balance_after":1569346,"source":{"system":"sec-edgar","filing":"0001209191-21-061302","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1688365/000120919121061302/doc4.xml","form_type":"4"}},{"id":2537353,"issuer":{"id":4556,"kind":"organization","name":"BLACKLINE, INC.","symbol":"BL"},"owners":[{"id":19487,"kind":"person","name":"Tucker Therese","position":1,"cik":"0001688365","reported_name":"Tucker Therese","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive Chair"}}],"security":"Common Stock","published_at":"2021-10-21T23:00:16.000Z","date":"2021-10-19","kind":"sale","acquired":false,"shares":7721,"price":124.028,"value":957620.188,"ownership":{"direct":false,"nature":"Brian & Therese Tucker Living Trust"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale transaction reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on November 27, 2020."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The sale price represents the weighted-average price of shares sold ranging from $123.685 to $124.645 per share.  Upon request by the Securities and Exchange Commission staff, the Issuer or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price within the range set forth in this Form 4."}],"balance_after":1590400,"source":{"system":"sec-edgar","filing":"0001209191-21-061302","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1688365/000120919121061302/doc4.xml","form_type":"4"}},{"id":2544527,"issuer":{"id":4556,"kind":"organization","name":"BLACKLINE, INC.","symbol":"BL"},"owners":[{"id":19487,"kind":"person","name":"Tucker Therese","position":1,"cik":"0001688365","reported_name":"Tucker Therese","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive Chair"}}],"security":"Common Stock","published_at":"2021-10-12T22:03:43.000Z","date":"2021-10-12","kind":"sale","acquired":false,"shares":5999,"price":120.1784,"value":720950.2216,"ownership":{"direct":false,"nature":"Brian & Therese Tucker Living Trust"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale transaction reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on November 27, 2020."},{"field":"price","element":"transactionPricePerShare","label":"F5","text":"The sale price represents the weighted-average price of shares sold ranging from $120.07 to $120.415 per share.  Upon request by the Securities and Exchange Commission staff, the Issuer or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price within the range set forth in this Form 4."}],"balance_after":1598121,"source":{"system":"sec-edgar","filing":"0001209191-21-060274","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1688365/000120919121060274/doc4.xml","form_type":"4"}},{"id":2544526,"issuer":{"id":4556,"kind":"organization","name":"BLACKLINE, INC.","symbol":"BL"},"owners":[{"id":19487,"kind":"person","name":"Tucker Therese","position":1,"cik":"0001688365","reported_name":"Tucker Therese","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive Chair"}}],"security":"Common Stock","published_at":"2021-10-12T22:03:43.000Z","date":"2021-10-12","kind":"sale","acquired":false,"shares":5366,"price":119.734,"value":642492.644,"ownership":{"direct":false,"nature":"Brian & Therese Tucker Living Trust"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale transaction reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on November 27, 2020."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The sale price represents the weighted-average price of shares sold ranging from $119.10 to $120.065 per share.  Upon request by the Securities and Exchange Commission staff, the Issuer or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price within the range set forth in this Form 4."}],"balance_after":1604120,"source":{"system":"sec-edgar","filing":"0001209191-21-060274","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1688365/000120919121060274/doc4.xml","form_type":"4"}},{"id":2544525,"issuer":{"id":4556,"kind":"organization","name":"BLACKLINE, INC.","symbol":"BL"},"owners":[{"id":19487,"kind":"person","name":"Tucker Therese","position":1,"cik":"0001688365","reported_name":"Tucker Therese","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive Chair"}}],"security":"Common Stock","published_at":"2021-10-12T22:03:43.000Z","date":"2021-10-12","kind":"sale","acquired":false,"shares":3030,"price":118.7266,"value":359741.598,"ownership":{"direct":false,"nature":"Brian & Therese Tucker Living Trust"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale transaction reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on November 27, 2020."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The sale price represents the weighted-average price of shares sold ranging from $118.10 to $119.055 per share.  Upon request by the Securities and Exchange Commission staff, the Issuer or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price within the range set forth in this Form 4."}],"balance_after":1609486,"source":{"system":"sec-edgar","filing":"0001209191-21-060274","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1688365/000120919121060274/doc4.xml","form_type":"4"}},{"id":2544524,"issuer":{"id":4556,"kind":"organization","name":"BLACKLINE, INC.","symbol":"BL"},"owners":[{"id":19487,"kind":"person","name":"Tucker Therese","position":1,"cik":"0001688365","reported_name":"Tucker Therese","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive Chair"}}],"security":"Common Stock","published_at":"2021-10-12T22:03:43.000Z","date":"2021-10-12","kind":"sale","acquired":false,"shares":1266,"price":117.6358,"value":148926.9228,"ownership":{"direct":false,"nature":"Brian & Therese Tucker Living Trust"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale transaction reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on November 27, 2020."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The sale price represents the weighted-average price of shares sold ranging from $117.07 to $117.985 per share.  Upon request by the Securities and Exchange Commission staff, the Issuer or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price within the range set forth in this Form 4."}],"balance_after":1612516,"source":{"system":"sec-edgar","filing":"0001209191-21-060274","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1688365/000120919121060274/doc4.xml","form_type":"4"}},{"id":2549008,"issuer":{"id":4556,"kind":"organization","name":"BLACKLINE, INC.","symbol":"BL"},"owners":[{"id":19487,"kind":"person","name":"Tucker Therese","position":1,"cik":"0001688365","reported_name":"Tucker Therese","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive Chair"}}],"security":"Common Stock","published_at":"2021-10-05T22:01:37.000Z","date":"2021-10-05","kind":"sale","acquired":false,"shares":5859,"price":117.6164,"value":689114.4876,"ownership":{"direct":false,"nature":"Brian & Therese Tucker Living Trust"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale transaction reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on November 27, 2020."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The sale price represents the weighted-average price of shares sold ranging from $117.41 to $118.21 per share.  Upon request by the Securities and Exchange Commission staff, the Issuer or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price within the range set forth in this Form 4."}],"balance_after":1613782,"source":{"system":"sec-edgar","filing":"0001209191-21-059644","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1688365/000120919121059644/doc4.xml","form_type":"4"}},{"id":2549007,"issuer":{"id":4556,"kind":"organization","name":"BLACKLINE, INC.","symbol":"BL"},"owners":[{"id":19487,"kind":"person","name":"Tucker Therese","position":1,"cik":"0001688365","reported_name":"Tucker Therese","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive Chair"}}],"security":"Common Stock","published_at":"2021-10-05T22:01:37.000Z","date":"2021-10-05","kind":"sale","acquired":false,"shares":3641,"price":117.0975,"value":426351.9975,"ownership":{"direct":false,"nature":"Brian & Therese Tucker Living Trust"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale transaction reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on November 27, 2020."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The sale price represents the weighted-average price of shares sold ranging from $116.59 to $117.40 per share.  Upon request by the Securities and Exchange Commission staff, the Issuer or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price within the range set forth in this Form 4."}],"balance_after":1619641,"source":{"system":"sec-edgar","filing":"0001209191-21-059644","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1688365/000120919121059644/doc4.xml","form_type":"4"}},{"id":2549006,"issuer":{"id":4556,"kind":"organization","name":"BLACKLINE, INC.","symbol":"BL"},"owners":[{"id":19487,"kind":"person","name":"Tucker Therese","position":1,"cik":"0001688365","reported_name":"Tucker Therese","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive Chair"}}],"security":"Common Stock","published_at":"2021-10-05T22:01:37.000Z","date":"2021-10-05","kind":"sale","acquired":false,"shares":500,"price":115.704,"value":57852.0,"ownership":{"direct":false,"nature":"Brian & Therese Tucker Living Trust"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale transaction reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on November 27, 2020."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The sale price represents the weighted-average price of shares sold ranging from $115.41 to $116.14 per share.  Upon request by the Securities and Exchange Commission staff, the Issuer or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price within the range set forth in this Form 4."}],"balance_after":1623282,"source":{"system":"sec-edgar","filing":"0001209191-21-059644","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1688365/000120919121059644/doc4.xml","form_type":"4"}},{"id":2557723,"issuer":{"id":4556,"kind":"organization","name":"BLACKLINE, INC.","symbol":"BL"},"owners":[{"id":19487,"kind":"person","name":"Tucker Therese","position":1,"cik":"0001688365","reported_name":"Tucker Therese","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive Chair"}}],"security":"Common Stock","published_at":"2021-09-28T23:16:39.000Z","date":"2021-09-28","kind":"sale","acquired":false,"shares":910,"price":118.8523,"value":108155.593,"ownership":{"direct":false,"nature":"Brian & Therese Tucker Living Trust"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale transaction reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on November 27, 2020."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The sale price represents the weighted-average price of shares sold ranging from $118.47 to $119.71 per share.  Upon request by the Securities and Exchange Commission staff, the Issuer or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price within the range set forth in this Form 4."}],"balance_after":1623782,"source":{"system":"sec-edgar","filing":"0001209191-21-057990","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1688365/000120919121057990/doc4.xml","form_type":"4"}},{"id":2557722,"issuer":{"id":4556,"kind":"organization","name":"BLACKLINE, INC.","symbol":"BL"},"owners":[{"id":19487,"kind":"person","name":"Tucker Therese","position":1,"cik":"0001688365","reported_name":"Tucker Therese","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive Chair"}}],"security":"Common Stock","published_at":"2021-09-28T23:16:39.000Z","date":"2021-09-28","kind":"sale","acquired":false,"shares":4337,"price":117.6336,"value":510176.9232,"ownership":{"direct":false,"nature":"Brian & Therese Tucker Living Trust"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale transaction reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on November 27, 2020."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The sale price represents the weighted-average price of shares sold ranging from $117.41 to $118.28 per share.  Upon request by the Securities and Exchange Commission staff, the Issuer or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price within the range set forth in this Form 4."}],"balance_after":1624692,"source":{"system":"sec-edgar","filing":"0001209191-21-057990","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1688365/000120919121057990/doc4.xml","form_type":"4"}},{"id":2557721,"issuer":{"id":4556,"kind":"organization","name":"BLACKLINE, INC.","symbol":"BL"},"owners":[{"id":19487,"kind":"person","name":"Tucker Therese","position":1,"cik":"0001688365","reported_name":"Tucker Therese","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive Chair"}}],"security":"Common Stock","published_at":"2021-09-28T23:16:39.000Z","date":"2021-09-28","kind":"sale","acquired":false,"shares":4753,"price":116.9507,"value":555866.6771,"ownership":{"direct":false,"nature":"Brian & Therese Tucker Living Trust"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale transaction reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on November 27, 2020."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The sale price represents the weighted-average price of shares sold ranging from $116.405 to $117.33 per share.  Upon request by the Securities and Exchange Commission staff, the Issuer or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price within the range set forth in this Form 4."}],"balance_after":1629029,"source":{"system":"sec-edgar","filing":"0001209191-21-057990","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1688365/000120919121057990/doc4.xml","form_type":"4"}},{"id":2562032,"issuer":{"id":4556,"kind":"organization","name":"BLACKLINE, INC.","symbol":"BL"},"owners":[{"id":19487,"kind":"person","name":"Tucker Therese","position":1,"cik":"0001688365","reported_name":"Tucker Therese","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive Chair"}}],"security":"Common Stock","published_at":"2021-09-22T20:07:14.000Z","date":"2021-09-21","kind":"sale","acquired":false,"shares":6331,"price":121.2882,"value":767875.5942,"ownership":{"direct":false,"nature":"Brian & Therese Tucker Living Trust"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale transaction reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on November 27, 2020."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The sale price represents the weighted-average price of shares sold ranging from $121.015 to $122.03 per share.  Upon request by the Securities and Exchange Commission staff, the Issuer or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price within the range set forth in this Form 4."}],"balance_after":1633782,"source":{"system":"sec-edgar","filing":"0001209191-21-057239","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1688365/000120919121057239/doc4.xml","form_type":"4"}},{"id":2562031,"issuer":{"id":4556,"kind":"organization","name":"BLACKLINE, INC.","symbol":"BL"},"owners":[{"id":19487,"kind":"person","name":"Tucker Therese","position":1,"cik":"0001688365","reported_name":"Tucker Therese","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive Chair"}}],"security":"Common Stock","published_at":"2021-09-22T20:07:14.000Z","date":"2021-09-21","kind":"sale","acquired":false,"shares":20355,"price":120.5527,"value":2453850.2085,"ownership":{"direct":false,"nature":"Brian & Therese Tucker Living Trust"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale transaction reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on November 27, 2020."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The sale price represents the weighted-average price of shares sold ranging from $120.04 to $121.005 per share.  Upon request by the Securities and Exchange Commission staff, the Issuer or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price within the range set forth in this Form 4."}],"balance_after":1640113,"source":{"system":"sec-edgar","filing":"0001209191-21-057239","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1688365/000120919121057239/doc4.xml","form_type":"4"}},{"id":2562030,"issuer":{"id":4556,"kind":"organization","name":"BLACKLINE, INC.","symbol":"BL"},"owners":[{"id":19487,"kind":"person","name":"Tucker Therese","position":1,"cik":"0001688365","reported_name":"Tucker Therese","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive Chair"}}],"security":"Common Stock","published_at":"2021-09-22T20:07:14.000Z","date":"2021-09-21","kind":"sale","acquired":false,"shares":2726,"price":119.7172,"value":326349.0872,"ownership":{"direct":false,"nature":"Brian & Therese Tucker Living Trust"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale transaction reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on November 27, 2020."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The sale price represents the weighted-average price of shares sold ranging from $119.04 to $120.03 per share.  Upon request by the Securities and Exchange Commission staff, the Issuer or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price within the range set forth in this Form 4."}],"balance_after":1660468,"source":{"system":"sec-edgar","filing":"0001209191-21-057239","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1688365/000120919121057239/doc4.xml","form_type":"4"}},{"id":2567759,"issuer":{"id":4556,"kind":"organization","name":"BLACKLINE, INC.","symbol":"BL"},"owners":[{"id":19487,"kind":"person","name":"Tucker Therese","position":1,"cik":"0001688365","reported_name":"Tucker Therese","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive Chair"}}],"security":"Common Stock","published_at":"2021-09-16T21:24:56.000Z","date":"2021-09-14","kind":"sale","acquired":false,"shares":25424,"price":118.3495,"value":3008917.688,"ownership":{"direct":false,"nature":"Tucker Family CLAT"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F7","text":"The sale price represents the weighted-average price of shares sold ranging from $118.09 to $118.94 per share.  Upon request by the Securities and Exchange Commission staff, the Issuer or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price within the range set forth in this Form 4."}],"balance_after":100178,"source":{"system":"sec-edgar","filing":"0001209191-21-056436","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":10,"url":"https://www.sec.gov/Archives/edgar/data/1688365/000120919121056436/doc4.xml","form_type":"4"}},{"id":2567758,"issuer":{"id":4556,"kind":"organization","name":"BLACKLINE, INC.","symbol":"BL"},"owners":[{"id":19487,"kind":"person","name":"Tucker Therese","position":1,"cik":"0001688365","reported_name":"Tucker Therese","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive Chair"}}],"security":"Common Stock","published_at":"2021-09-16T21:24:56.000Z","date":"2021-09-14","kind":"sale","acquired":false,"shares":1700,"price":120.1776,"value":204301.92,"ownership":{"direct":false,"nature":"Brian & Therese Tucker Living Trust"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F3","text":"The sale transaction reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on November 27, 2020."},{"field":"price","element":"transactionPricePerShare","label":"F6","text":"The sale price represents the weighted-average price of shares sold ranging from $120.00 to $120.33 per share.  Upon request by the Securities and Exchange Commission staff, the Issuer or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price within the range set forth in this Form 4."}],"balance_after":1663194,"source":{"system":"sec-edgar","filing":"0001209191-21-056436","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":9,"url":"https://www.sec.gov/Archives/edgar/data/1688365/000120919121056436/doc4.xml","form_type":"4"}},{"id":2567757,"issuer":{"id":4556,"kind":"organization","name":"BLACKLINE, INC.","symbol":"BL"},"owners":[{"id":19487,"kind":"person","name":"Tucker Therese","position":1,"cik":"0001688365","reported_name":"Tucker Therese","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive Chair"}}],"security":"Common Stock","published_at":"2021-09-16T21:24:56.000Z","date":"2021-09-14","kind":"sale","acquired":false,"shares":4927,"price":119.3116,"value":587848.2532,"ownership":{"direct":false,"nature":"Brian & Therese Tucker Living Trust"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F3","text":"The sale transaction reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on November 27, 2020."},{"field":"price","element":"transactionPricePerShare","label":"F5","text":"The sale price represents the weighted-average price of shares sold ranging from $119.01 to $119.965 per share.  Upon request by the Securities and Exchange Commission staff, the Issuer or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price within the range set forth in this Form 4."}],"balance_after":1664894,"source":{"system":"sec-edgar","filing":"0001209191-21-056436","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":8,"url":"https://www.sec.gov/Archives/edgar/data/1688365/000120919121056436/doc4.xml","form_type":"4"}},{"id":2567756,"issuer":{"id":4556,"kind":"organization","name":"BLACKLINE, INC.","symbol":"BL"},"owners":[{"id":19487,"kind":"person","name":"Tucker Therese","position":1,"cik":"0001688365","reported_name":"Tucker Therese","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive Chair"}}],"security":"Common Stock","published_at":"2021-09-16T21:24:56.000Z","date":"2021-09-14","kind":"sale","acquired":false,"shares":4273,"price":118.3986,"value":505917.2178,"ownership":{"direct":false,"nature":"Brian & Therese Tucker Living Trust"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F3","text":"The sale transaction reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on November 27, 2020."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The sale price represents the weighted-average price of shares sold ranging from $118.00 to $118.97 per share.  Upon request by the Securities and Exchange Commission staff, the Issuer or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price within the range set forth in this Form 4."}],"balance_after":1669821,"source":{"system":"sec-edgar","filing":"0001209191-21-056436","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/1688365/000120919121056436/doc4.xml","form_type":"4"}},{"id":2567755,"issuer":{"id":4556,"kind":"organization","name":"BLACKLINE, INC.","symbol":"BL"},"owners":[{"id":19487,"kind":"person","name":"Tucker Therese","position":1,"cik":"0001688365","reported_name":"Tucker Therese","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive Chair"}}],"security":"Common Stock","published_at":"2021-09-16T21:24:56.000Z","date":"2021-09-14","kind":"sale","acquired":false,"shares":25424,"price":118.3495,"value":3008917.688,"ownership":{"direct":false,"nature":"Brian & Therese Tucker Charitable Remainder Trust"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The sale price represents the weighted-average price of shares sold ranging from $118.09 to $118.94 per share.  Upon request by the Securities and Exchange Commission staff, the Issuer or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price within the range set forth in this Form 4."}],"balance_after":100178,"source":{"system":"sec-edgar","filing":"0001209191-21-056436","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1688365/000120919121056436/doc4.xml","form_type":"4"}},{"id":2567754,"issuer":{"id":4556,"kind":"organization","name":"BLACKLINE, INC.","symbol":"BL"},"owners":[{"id":19487,"kind":"person","name":"Tucker Therese","position":1,"cik":"0001688365","reported_name":"Tucker Therese","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive Chair"}}],"security":"Common Stock","published_at":"2021-09-16T21:24:56.000Z","date":"2021-09-14","kind":"gift","acquired":true,"shares":129897,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"Tucker Legacy Trust II"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The transaction involved transfers without consideration to certain estate planning vehicles of the Reporting Person.  The Reporting Person may be deemed to beneficially own the shares held by the recipients of the transferred shares."}],"balance_after":129897,"source":{"system":"sec-edgar","filing":"0001209191-21-056436","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1688365/000120919121056436/doc4.xml","form_type":"4"}},{"id":2567753,"issuer":{"id":4556,"kind":"organization","name":"BLACKLINE, INC.","symbol":"BL"},"owners":[{"id":19487,"kind":"person","name":"Tucker Therese","position":1,"cik":"0001688365","reported_name":"Tucker Therese","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive Chair"}}],"security":"Common Stock","published_at":"2021-09-16T21:24:56.000Z","date":"2021-09-14","kind":"gift","acquired":false,"shares":129897,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"Brian & Therese Tucker Living Trust"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The transaction involved transfers without consideration to certain estate planning vehicles of the Reporting Person.  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The Reporting Person may be deemed to beneficially own the shares held by the recipients of the transferred shares."}],"balance_after":1803991,"source":{"system":"sec-edgar","filing":"0001209191-21-056436","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1688365/000120919121056436/doc4.xml","form_type":"4"}},{"id":2575935,"issuer":{"id":4556,"kind":"organization","name":"BLACKLINE, INC.","symbol":"BL"},"owners":[{"id":19487,"kind":"person","name":"Tucker Therese","position":1,"cik":"0001688365","reported_name":"Tucker Therese","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive Chair"}}],"security":"Common Stock","published_at":"2021-09-08T20:24:40.000Z","date":"2021-09-07","kind":"sale","acquired":false,"shares":3287,"price":120.0363,"value":394559.3181,"ownership":{"direct":false,"nature":"Brian & Therese Tucker Living Trust"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale transaction reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on November 27, 2020."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The sale price represents the weighted-average price of shares sold ranging from $120.00 to $120.14 per share.  Upon request by the Securities and Exchange Commission staff, the Issuer or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price within the range set forth in this Form 4."}],"balance_after":2055195,"source":{"system":"sec-edgar","filing":"0001209191-21-055143","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1688365/000120919121055143/doc4.xml","form_type":"4"}},{"id":2575934,"issuer":{"id":4556,"kind":"organization","name":"BLACKLINE, INC.","symbol":"BL"},"owners":[{"id":19487,"kind":"person","name":"Tucker Therese","position":1,"cik":"0001688365","reported_name":"Tucker Therese","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive Chair"}}],"security":"Common Stock","published_at":"2021-09-08T20:24:40.000Z","date":"2021-09-07","kind":"sale","acquired":false,"shares":2882,"price":118.7344,"value":342192.5408,"ownership":{"direct":false,"nature":"Brian & Therese Tucker Living Trust"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale transaction reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on November 27, 2020."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The sale price represents the weighted-average price of shares sold ranging from $118.54 to $118.93 per share.  Upon request by the Securities and Exchange Commission staff, the Issuer or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price within the range set forth in this Form 4."}],"balance_after":2058482,"source":{"system":"sec-edgar","filing":"0001209191-21-055143","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1688365/000120919121055143/doc4.xml","form_type":"4"}},{"id":2575933,"issuer":{"id":4556,"kind":"organization","name":"BLACKLINE, INC.","symbol":"BL"},"owners":[{"id":19487,"kind":"person","name":"Tucker Therese","position":1,"cik":"0001688365","reported_name":"Tucker Therese","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive Chair"}}],"security":"Common Stock","published_at":"2021-09-08T20:24:40.000Z","date":"2021-09-07","kind":"sale","acquired":false,"shares":7118,"price":118.0307,"value":840142.5226,"ownership":{"direct":false,"nature":"Brian & Therese Tucker Living Trust"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale transaction reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on November 27, 2020."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The sale price represents the weighted-average price of shares sold ranging from $117.52 to $118.48 per share.  Upon request by the Securities and Exchange Commission staff, the Issuer or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price within the range set forth in this Form 4."}],"balance_after":2061364,"source":{"system":"sec-edgar","filing":"0001209191-21-055143","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1688365/000120919121055143/doc4.xml","form_type":"4"}},{"id":2585166,"issuer":{"id":4556,"kind":"organization","name":"BLACKLINE, INC.","symbol":"BL"},"owners":[{"id":19487,"kind":"person","name":"Tucker Therese","position":1,"cik":"0001688365","reported_name":"Tucker Therese","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive Chair"}}],"security":"Common Stock","published_at":"2021-08-31T22:30:08.000Z","date":"2021-08-31","kind":"sale","acquired":false,"shares":1509,"price":109.809,"value":165701.781,"ownership":{"direct":false,"nature":"Brian & Therese Tucker Living Trust"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale transaction reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on November 27, 2020."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The sale price represents the weighted-average price of shares sold ranging from $109.63 to $110.09 per share.  Upon request by the Securities and Exchange Commission staff, the Issuer or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price within the range set forth in this Form 4."}],"balance_after":2068482,"source":{"system":"sec-edgar","filing":"0001209191-21-054138","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1688365/000120919121054138/doc4.xml","form_type":"4"}},{"id":2585165,"issuer":{"id":4556,"kind":"organization","name":"BLACKLINE, INC.","symbol":"BL"},"owners":[{"id":19487,"kind":"person","name":"Tucker Therese","position":1,"cik":"0001688365","reported_name":"Tucker Therese","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive Chair"}}],"security":"Common Stock","published_at":"2021-08-31T22:30:08.000Z","date":"2021-08-31","kind":"sale","acquired":false,"shares":8491,"price":109.0937,"value":926314.6067,"ownership":{"direct":false,"nature":"Brian & Therese Tucker Living Trust"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale transaction reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on November 27, 2020."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The sale price represents the weighted-average price of shares sold ranging from $108.63 to $109.61 per share.  Upon request by the Securities and Exchange Commission staff, the Issuer or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price within the range set forth in this Form 4."}],"balance_after":2069991,"source":{"system":"sec-edgar","filing":"0001209191-21-054138","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1688365/000120919121054138/doc4.xml","form_type":"4"}},{"id":2592363,"issuer":{"id":4556,"kind":"organization","name":"BLACKLINE, INC.","symbol":"BL"},"owners":[{"id":19487,"kind":"person","name":"Tucker Therese","position":1,"cik":"0001688365","reported_name":"Tucker Therese","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive Chair"}}],"security":"Common Stock","published_at":"2021-08-24T21:43:48.000Z","date":"2021-08-24","kind":"sale","acquired":false,"shares":6178,"price":110.2894,"value":681367.9132,"ownership":{"direct":false,"nature":"Brian & Therese Tucker Living Trust"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"The sale transaction reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on November 27, 2020."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The sale price represents the weighted-average price of shares sold ranging from $110.05 to $110.66 per share.  Upon request by the Securities and Exchange Commission staff, the Issuer or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price within the range set forth in this Form 4."}],"balance_after":2078482,"source":{"system":"sec-edgar","filing":"0001209191-21-053192","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1688365/000120919121053192/doc4.xml","form_type":"4"}},{"id":2592362,"issuer":{"id":4556,"kind":"organization","name":"BLACKLINE, INC.","symbol":"BL"},"owners":[{"id":19487,"kind":"person","name":"Tucker Therese","position":1,"cik":"0001688365","reported_name":"Tucker Therese","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive Chair"}}],"security":"Common Stock","published_at":"2021-08-24T21:43:48.000Z","date":"2021-08-24","kind":"sale","acquired":false,"shares":3822,"price":109.6738,"value":419173.2636,"ownership":{"direct":false,"nature":"Brian & Therese Tucker Living Trust"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"The sale transaction reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on November 27, 2020."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The sale price represents the weighted-average price of shares sold ranging from $109.04 to $110.03 per share.  Upon request by the Securities and Exchange Commission staff, the Issuer or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price within the range set forth in this Form 4."}],"balance_after":2084660,"source":{"system":"sec-edgar","filing":"0001209191-21-053192","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1688365/000120919121053192/doc4.xml","form_type":"4"}},{"id":2592361,"issuer":{"id":4556,"kind":"organization","name":"BLACKLINE, INC.","symbol":"BL"},"owners":[{"id":19487,"kind":"person","name":"Tucker Therese","position":1,"cik":"0001688365","reported_name":"Tucker Therese","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive Chair"}}],"security":"Common Stock","published_at":"2021-08-24T21:43:48.000Z","date":"2021-08-20","kind":"tax_withholding","acquired":false,"shares":4960,"price":106.41,"value":527793.6,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The reported shares were withheld to cover the Reporting Person's tax liability in connection with the vesting of restricted stock units."}],"balance_after":156223,"source":{"system":"sec-edgar","filing":"0001209191-21-053192","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1688365/000120919121053192/doc4.xml","form_type":"4"}},{"id":2600232,"issuer":{"id":4556,"kind":"organization","name":"BLACKLINE, INC.","symbol":"BL"},"owners":[{"id":19487,"kind":"person","name":"Tucker Therese","position":1,"cik":"0001688365","reported_name":"Tucker Therese","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive Chair"}}],"security":"Common Stock","published_at":"2021-08-17T22:06:22.000Z","date":"2021-08-17","kind":"sale","acquired":false,"shares":327,"price":110.6415,"value":36179.7705,"ownership":{"direct":false,"nature":"Brian & Therese Tucker Living Trust"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale transaction reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on November 27, 2020."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The sale price represents the weighted-average price of shares sold ranging from $110.59 to $110.75 per share.  Upon request by the Securities and Exchange Commission staff, the Issuer or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price within the range set forth in this Form 4."}],"balance_after":2088482,"source":{"system":"sec-edgar","filing":"0001209191-21-052006","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1688365/000120919121052006/doc4.xml","form_type":"4"}},{"id":2600231,"issuer":{"id":4556,"kind":"organization","name":"BLACKLINE, INC.","symbol":"BL"},"owners":[{"id":19487,"kind":"person","name":"Tucker Therese","position":1,"cik":"0001688365","reported_name":"Tucker Therese","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive Chair"}}],"security":"Common Stock","published_at":"2021-08-17T22:06:22.000Z","date":"2021-08-17","kind":"sale","acquired":false,"shares":2080,"price":109.9424,"value":228680.192,"ownership":{"direct":false,"nature":"Brian & Therese Tucker Living Trust"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale transaction reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on November 27, 2020."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The sale price represents the weighted-average price of shares sold ranging from $109.59 to $110.55 per share.  Upon request by the Securities and Exchange Commission staff, the Issuer or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price within the range set forth in this Form 4."}],"balance_after":2088809,"source":{"system":"sec-edgar","filing":"0001209191-21-052006","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1688365/000120919121052006/doc4.xml","form_type":"4"}},{"id":2600230,"issuer":{"id":4556,"kind":"organization","name":"BLACKLINE, INC.","symbol":"BL"},"owners":[{"id":19487,"kind":"person","name":"Tucker Therese","position":1,"cik":"0001688365","reported_name":"Tucker Therese","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive Chair"}}],"security":"Common Stock","published_at":"2021-08-17T22:06:22.000Z","date":"2021-08-17","kind":"sale","acquired":false,"shares":7593,"price":109.0197,"value":827786.5821,"ownership":{"direct":false,"nature":"Brian & Therese Tucker Living Trust"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale transaction reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on November 27, 2020."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The sale price represents the weighted-average price of shares sold ranging from $108.575 to $109.56 per share.  Upon request by the Securities and Exchange Commission staff, the Issuer or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price within the range set forth in this Form 4."}],"balance_after":2090889,"source":{"system":"sec-edgar","filing":"0001209191-21-052006","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1688365/000120919121052006/doc4.xml","form_type":"4"}},{"id":2629235,"issuer":{"id":4556,"kind":"organization","name":"BLACKLINE, INC.","symbol":"BL"},"owners":[{"id":19487,"kind":"person","name":"Tucker Therese","position":1,"cik":"0001688365","reported_name":"Tucker Therese","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive Chair"}}],"security":"Common Stock","published_at":"2021-07-21T00:17:16.000Z","date":"2021-07-20","kind":"sale","acquired":false,"shares":573,"price":113.9272,"value":65280.2856,"ownership":{"direct":false,"nature":"Brian & Therese Tucker Living Trust"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale transaction reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on November 27, 2020."},{"field":"price","element":"transactionPricePerShare","label":"F5","text":"The sale price represents the weighted-average price of shares sold ranging from $113.785 to $114.00 per share.  Upon request by the Securities and Exchange Commission staff, the Issuer or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price within the range set forth in this Form 4."}],"balance_after":2098482,"source":{"system":"sec-edgar","filing":"0001209191-21-047498","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1688365/000120919121047498/doc4.xml","form_type":"4"}},{"id":2629234,"issuer":{"id":4556,"kind":"organization","name":"BLACKLINE, INC.","symbol":"BL"},"owners":[{"id":19487,"kind":"person","name":"Tucker Therese","position":1,"cik":"0001688365","reported_name":"Tucker Therese","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive Chair"}}],"security":"Common Stock","published_at":"2021-07-21T00:17:16.000Z","date":"2021-07-20","kind":"sale","acquired":false,"shares":5360,"price":113.4306,"value":607988.016,"ownership":{"direct":false,"nature":"Brian & Therese Tucker Living Trust"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale transaction reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on November 27, 2020."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The sale price represents the weighted-average price of shares sold ranging from $112.873 to $113.775 per share.  Upon request by the Securities and Exchange Commission staff, the Issuer or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price within the range set forth in this Form 4."}],"balance_after":2099055,"source":{"system":"sec-edgar","filing":"0001209191-21-047498","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1688365/000120919121047498/doc4.xml","form_type":"4"}},{"id":2629233,"issuer":{"id":4556,"kind":"organization","name":"BLACKLINE, INC.","symbol":"BL"},"owners":[{"id":19487,"kind":"person","name":"Tucker Therese","position":1,"cik":"0001688365","reported_name":"Tucker Therese","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive Chair"}}],"security":"Common Stock","published_at":"2021-07-21T00:17:16.000Z","date":"2021-07-20","kind":"sale","acquired":false,"shares":2507,"price":112.3304,"value":281612.3128,"ownership":{"direct":false,"nature":"Brian & Therese Tucker Living Trust"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale transaction reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on November 27, 2020."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The sale price represents the weighted-average price of shares sold ranging from $111.88 to $112.79 per share.  Upon request by the Securities and Exchange Commission staff, the Issuer or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price within the range set forth in this Form 4."}],"balance_after":2104415,"source":{"system":"sec-edgar","filing":"0001209191-21-047498","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1688365/000120919121047498/doc4.xml","form_type":"4"}},{"id":2629232,"issuer":{"id":4556,"kind":"organization","name":"BLACKLINE, INC.","symbol":"BL"},"owners":[{"id":19487,"kind":"person","name":"Tucker Therese","position":1,"cik":"0001688365","reported_name":"Tucker Therese","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive Chair"}}],"security":"Common Stock","published_at":"2021-07-21T00:17:16.000Z","date":"2021-07-20","kind":"sale","acquired":false,"shares":1560,"price":111.3048,"value":173635.488,"ownership":{"direct":false,"nature":"Brian & Therese Tucker Living Trust"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale transaction reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on November 27, 2020."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The sale price represents the weighted-average price of shares sold ranging from $110.82 to $111.79 per share.  Upon request by the Securities and Exchange Commission staff, the Issuer or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price within the range set forth in this Form 4."}],"balance_after":2106922,"source":{"system":"sec-edgar","filing":"0001209191-21-047498","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1688365/000120919121047498/doc4.xml","form_type":"4"}},{"id":2634928,"issuer":{"id":4556,"kind":"organization","name":"BLACKLINE, INC.","symbol":"BL"},"owners":[{"id":19487,"kind":"person","name":"Tucker Therese","position":1,"cik":"0001688365","reported_name":"Tucker Therese","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive Chair"}}],"security":"Common Stock","published_at":"2021-07-13T23:44:45.000Z","date":"2021-07-13","kind":"sale","acquired":false,"shares":3214,"price":114.1194,"value":366779.7516,"ownership":{"direct":false,"nature":"Brian & Therese Tucker Living Trust"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale transaction reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on November 27, 2020."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The sale price represents the weighted-average price of shares sold ranging from $113.53 to $114.52 per share.  Upon request by the Securities and Exchange Commission staff, the Issuer or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price within the range set forth in this Form 4."}],"balance_after":2108482,"source":{"system":"sec-edgar","filing":"0001209191-21-046624","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1688365/000120919121046624/doc4.xml","form_type":"4"}},{"id":2634927,"issuer":{"id":4556,"kind":"organization","name":"BLACKLINE, INC.","symbol":"BL"},"owners":[{"id":19487,"kind":"person","name":"Tucker Therese","position":1,"cik":"0001688365","reported_name":"Tucker Therese","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive Chair"}}],"security":"Common Stock","published_at":"2021-07-13T23:44:45.000Z","date":"2021-07-13","kind":"sale","acquired":false,"shares":6786,"price":112.9743,"value":766643.5998,"ownership":{"direct":false,"nature":"Brian & Therese Tucker Living Trust"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale transaction reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on November 27, 2020."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The sale price represents the weighted-average price of shares sold ranging from $112.50 to $113.49 per share.  Upon request by the Securities and Exchange Commission staff, the Issuer or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price within the range set forth in this Form 4."}],"balance_after":2111696,"source":{"system":"sec-edgar","filing":"0001209191-21-046624","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1688365/000120919121046624/doc4.xml","form_type":"4"}}],"next_cursor":"2021-07-13T23:44:45.000000Z,2634927"}