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Upon request by the 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":3141946,"source":{"system":"sec-edgar","filing":"0001209191-17-063982","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1688128/000120919117063982/doc4.xml","form_type":"4"}},{"id":4142200,"issuer":{"id":4556,"kind":"organization","name":"BLACKLINE, INC.","symbol":"BL"},"owners":[{"id":149432,"kind":"person","name":"Spanicciati Mario","position":1,"cik":"0001688128","reported_name":"Spanicciati Mario","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Marketing Officer"}}],"security":"Common Stock","published_at":"2017-12-05T17:01:26.000Z","date":"2017-12-04","kind":"sale","acquired":false,"shares":9800,"price":35.7,"value":349860.0,"ownership":{"direct":false,"nature":"Spanicciati Family 2013 Irrevocable Trust"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The shares subject to the option vest in 4 equal, annual installments beginning on the one year anniversary of March 3, 2014."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The sale price represents the weighted average price of the shares sold ranging from $35.24 to $36.20 per share.  Upon request by the 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":3144896,"source":{"system":"sec-edgar","filing":"0001209191-17-063982","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1688128/000120919117063982/doc4.xml","form_type":"4"}},{"id":4146197,"issuer":{"id":4556,"kind":"organization","name":"BLACKLINE, INC.","symbol":"BL"},"owners":[{"id":149432,"kind":"person","name":"Spanicciati Mario","position":1,"cik":"0001688128","reported_name":"Spanicciati Mario","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Marketing Officer"}}],"security":"Common Stock","published_at":"2017-12-01T17:26:16.000Z","date":"2017-11-27","kind":"sale","acquired":false,"shares":12750,"price":38.17,"value":486667.5,"ownership":{"direct":false,"nature":"Spanicciati Family 2013 Irrevocable Trust"},"footnotes":[{"field":"date","element":"transactionDate","label":"F1","text":"Due to an administrative error, the Form 4 was filed late on December 1, 2017."},{"field":"shares","element":"transactionShares","label":"F2","text":"The sale transaction reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adapted by the Reporting Person on March 14, 2017."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The sale price represents the weighted average price of the shares sold ranging from $37.97 to $38.79 per share.  Upon request by the 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":3154696,"source":{"system":"sec-edgar","filing":"0001209191-17-063258","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1688128/000120919117063258/doc4.xml","form_type":"4"}},{"id":4156569,"issuer":{"id":4556,"kind":"organization","name":"BLACKLINE, INC.","symbol":"BL"},"owners":[{"id":149432,"kind":"person","name":"Spanicciati Mario","position":1,"cik":"0001688128","reported_name":"Spanicciati Mario","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Marketing Officer"}}],"security":"Common Stock","published_at":"2017-11-20T18:34:34.000Z","date":"2017-11-20","kind":"sale","acquired":false,"shares":12750,"price":36.79,"value":469072.5,"ownership":{"direct":false,"nature":"Spanicciati Family 2013 Irrevocable 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 adapted by the Reporting Person on March 14, 2017."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The sale price represents the weighted average price of the shares sold ranging from $36.54 to $37.39 per share.  Upon request by the 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":3167446,"source":{"system":"sec-edgar","filing":"0001209191-17-061865","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1688128/000120919117061865/doc4.xml","form_type":"4"}},{"id":4163772,"issuer":{"id":4556,"kind":"organization","name":"BLACKLINE, INC.","symbol":"BL"},"owners":[{"id":149432,"kind":"person","name":"Spanicciati Mario","position":1,"cik":"0001688128","reported_name":"Spanicciati Mario","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Marketing Officer"}}],"security":"Common Stock","published_at":"2017-11-14T17:24:07.000Z","date":"2017-11-13","kind":"sale","acquired":false,"shares":12750,"price":35.45,"value":451987.5,"ownership":{"direct":false,"nature":"Spanicciati Family 2013 Irrevocable 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 adapted by the Reporting Person on March 14, 2017."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The sale price represents the weighted average price of the shares sold ranging from $35.22 to $35.77 per share.  Upon request by the 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":3180196,"source":{"system":"sec-edgar","filing":"0001209191-17-060668","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1688128/000120919117060668/doc4.xml","form_type":"4"}},{"id":4170238,"issuer":{"id":4556,"kind":"organization","name":"BLACKLINE, INC.","symbol":"BL"},"owners":[{"id":149432,"kind":"person","name":"Spanicciati Mario","position":1,"cik":"0001688128","reported_name":"Spanicciati Mario","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Marketing Officer"}}],"security":"Common Stock","published_at":"2017-11-07T19:44:44.000Z","date":"2017-11-06","kind":"sale","acquired":false,"shares":7025,"price":35.36,"value":248404.0,"ownership":{"direct":false,"nature":"Spanicciati Family 2013 Irrevocable 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 adapted by the Reporting Person on March 14, 2017."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The sale price represents the weighted average price of the shares sold ranging from $35.27 to $35.46 per share.  Upon request by the 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":3192946,"source":{"system":"sec-edgar","filing":"0001209191-17-059663","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1688128/000120919117059663/doc4.xml","form_type":"4"}},{"id":4170237,"issuer":{"id":4556,"kind":"organization","name":"BLACKLINE, INC.","symbol":"BL"},"owners":[{"id":149432,"kind":"person","name":"Spanicciati Mario","position":1,"cik":"0001688128","reported_name":"Spanicciati Mario","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Marketing Officer"}}],"security":"Common Stock","published_at":"2017-11-07T19:44:44.000Z","date":"2017-11-06","kind":"sale","acquired":false,"shares":5725,"price":34.95,"value":200088.75,"ownership":{"direct":false,"nature":"Spanicciati Family 2013 Irrevocable 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 adapted by the Reporting Person on March 14, 2017."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The sale price represents the weighted average price of the shares sold ranging from $34.20 to $35.19 per share.  Upon request by the 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":3199971,"source":{"system":"sec-edgar","filing":"0001209191-17-059663","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1688128/000120919117059663/doc4.xml","form_type":"4"}},{"id":4177518,"issuer":{"id":4556,"kind":"organization","name":"BLACKLINE, INC.","symbol":"BL"},"owners":[{"id":149432,"kind":"person","name":"Spanicciati Mario","position":1,"cik":"0001688128","reported_name":"Spanicciati Mario","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Marketing Officer"}}],"security":"Common Stock","published_at":"2017-10-31T17:08:18.000Z","date":"2017-10-30","kind":"sale","acquired":false,"shares":12750,"price":35.05,"value":446887.5,"ownership":{"direct":false,"nature":"Spanicciati Family 2013 Irrevocable 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 adapted by the Reporting Person on March 14, 2017."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The sale price represents the weighted average price of the shares sold ranging from $34.95 to $35.54 per share.  Upon request by the 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":3205696,"source":{"system":"sec-edgar","filing":"0001209191-17-058469","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1688128/000120919117058469/doc4.xml","form_type":"4"}},{"id":4180700,"issuer":{"id":4556,"kind":"organization","name":"BLACKLINE, INC.","symbol":"BL"},"owners":[{"id":149432,"kind":"person","name":"Spanicciati Mario","position":1,"cik":"0001688128","reported_name":"Spanicciati Mario","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Marketing Officer"}}],"security":"Common Stock","published_at":"2017-10-25T19:33:20.000Z","date":"2017-10-25","kind":"sale","acquired":false,"shares":2125,"price":35,"value":74375.0,"ownership":{"direct":false,"nature":"Spanicciati Family 2013 Irrevocable 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 adapted by the Reporting Person on March 14, 2017."}],"balance_after":3218446,"source":{"system":"sec-edgar","filing":"0001209191-17-057978","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1688128/000120919117057978/doc4.xml","form_type":"4"}},{"id":4181258,"issuer":{"id":4556,"kind":"organization","name":"BLACKLINE, INC.","symbol":"BL"},"owners":[{"id":149432,"kind":"person","name":"Spanicciati Mario","position":1,"cik":"0001688128","reported_name":"Spanicciati Mario","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Marketing Officer"}}],"security":"Common Stock","published_at":"2017-10-24T17:38:49.000Z","date":"2017-10-23","kind":"sale","acquired":false,"shares":10625,"price":34.06,"value":361887.5,"ownership":{"direct":false,"nature":"Spanicciati Family 2013 Irrevocable 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 adapted by the Reporting Person on March 14, 2017."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The sale price represents the weighted average price of the shares sold ranging from $33.74 to $34.42 per share.  Upon request by the 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":3220571,"source":{"system":"sec-edgar","filing":"0001209191-17-057871","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1688128/000120919117057871/doc4.xml","form_type":"4"}},{"id":4184981,"issuer":{"id":4556,"kind":"organization","name":"BLACKLINE, INC.","symbol":"BL"},"owners":[{"id":149432,"kind":"person","name":"Spanicciati Mario","position":1,"cik":"0001688128","reported_name":"Spanicciati Mario","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Marketing Officer"}}],"security":"Common Stock","published_at":"2017-10-17T17:41:15.000Z","date":"2017-10-16","kind":"sale","acquired":false,"shares":10625,"price":33.57,"value":356681.25,"ownership":{"direct":false,"nature":"Spanicciati Family 2013 Irrevocable 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 adapted by the Reporting Person on March 14, 2017."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The sale price represents the weighted average price of the shares sold ranging from $33.21 to $33.88 per share.  Upon request by the 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":3231196,"source":{"system":"sec-edgar","filing":"0001209191-17-057184","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1688128/000120919117057184/doc4.xml","form_type":"4"}},{"id":4189227,"issuer":{"id":4556,"kind":"organization","name":"BLACKLINE, INC.","symbol":"BL"},"owners":[{"id":149432,"kind":"person","name":"Spanicciati Mario","position":1,"cik":"0001688128","reported_name":"Spanicciati Mario","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Marketing Officer"}}],"security":"Common Stock","published_at":"2017-10-10T17:28:59.000Z","date":"2017-10-09","kind":"sale","acquired":false,"shares":10625,"price":33.49,"value":355831.25,"ownership":{"direct":false,"nature":"Spanicciati Family 2013 Irrevocable 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 adapted by the Reporting Person on March 14, 2017."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The sale price represents the weighted average price of the shares sold ranging from $33.13 to $33.81 per share.  Upon request by the 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":3241821,"source":{"system":"sec-edgar","filing":"0001209191-17-056496","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1688128/000120919117056496/doc4.xml","form_type":"4"}},{"id":4194889,"issuer":{"id":4556,"kind":"organization","name":"BLACKLINE, INC.","symbol":"BL"},"owners":[{"id":149432,"kind":"person","name":"Spanicciati Mario","position":1,"cik":"0001688128","reported_name":"Spanicciati Mario","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Marketing Officer"}}],"security":"Common Stock","published_at":"2017-10-03T16:39:37.000Z","date":"2017-10-02","kind":"sale","acquired":false,"shares":10625,"price":34.14,"value":362737.5,"ownership":{"direct":false,"nature":"Spanicciati Family 2013 Irrevocable 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 adapted by the Reporting Person on March 14, 2017."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The sale price represents the weighted average price of the shares sold ranging from $34.00 to $34.32 per share. Upon request by the Commission staff, the Issuer or a security holder of the Issuer, the Reporting Person will provide full information"}],"balance_after":3252446,"source":{"system":"sec-edgar","filing":"0001209191-17-055169","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1688128/000120919117055169/doc4.xml","form_type":"4"}},{"id":4201631,"issuer":{"id":4556,"kind":"organization","name":"BLACKLINE, INC.","symbol":"BL"},"owners":[{"id":149432,"kind":"person","name":"Spanicciati Mario","position":1,"cik":"0001688128","reported_name":"Spanicciati Mario","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Marketing Officer"}}],"security":"Common Stock","published_at":"2017-09-26T16:57:28.000Z","date":"2017-09-25","kind":"sale","acquired":false,"shares":10625,"price":33.01,"value":350731.25,"ownership":{"direct":false,"nature":"Spanicciati Family 2013 Irrevocable 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 adapted by the Reporting Person on March 14, 2017."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The sale price represents the weighted average price of the shares sold ranging from $32.93 to $33.32 per share.  Upon request by the 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":3263071,"source":{"system":"sec-edgar","filing":"0001209191-17-053995","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1688128/000120919117053995/doc4.xml","form_type":"4"}},{"id":4207291,"issuer":{"id":4556,"kind":"organization","name":"BLACKLINE, INC.","symbol":"BL"},"owners":[{"id":149432,"kind":"person","name":"Spanicciati Mario","position":1,"cik":"0001688128","reported_name":"Spanicciati Mario","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Marketing Officer"}}],"security":"Common Stock","published_at":"2017-09-18T16:48:13.000Z","date":"2017-09-12","kind":"sale","acquired":false,"shares":2125,"price":35,"value":74375.0,"ownership":{"direct":false,"nature":"Spanicciati Family 2013 Irrevocable 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 adapted by the Reporting Person on March 14, 2017."}],"balance_after":3284321,"source":{"system":"sec-edgar","filing":"0001209191-17-053173","document":"doc4a.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1688128/000120919117053173/doc4a.xml","form_type":"4/A","original_submission_date":"2017-09-12"}},{"id":4207290,"issuer":{"id":4556,"kind":"organization","name":"BLACKLINE, INC.","symbol":"BL"},"owners":[{"id":149432,"kind":"person","name":"Spanicciati Mario","position":1,"cik":"0001688128","reported_name":"Spanicciati Mario","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Marketing Officer"}}],"security":"Common Stock","published_at":"2017-09-18T16:48:13.000Z","date":"2017-09-11","kind":"sale","acquired":false,"shares":10625,"price":32.98,"value":350412.5,"ownership":{"direct":false,"nature":"Spanicciati Family 2013 Irrevocable 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 adapted by the Reporting Person on March 14, 2017."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The sale price represents the weighted average price of the shares sold ranging from $32.85 to $33.09 per share. Upon request by the Commission staff, the Issuer or a security holder of the Issuer, the Reporting Person will provide full information"}],"balance_after":3286446,"source":{"system":"sec-edgar","filing":"0001209191-17-053173","document":"doc4a.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1688128/000120919117053173/doc4a.xml","form_type":"4/A","original_submission_date":"2017-09-12"}},{"id":4207289,"issuer":{"id":4556,"kind":"organization","name":"BLACKLINE, INC.","symbol":"BL"},"owners":[{"id":149432,"kind":"person","name":"Spanicciati Mario","position":1,"cik":"0001688128","reported_name":"Spanicciati Mario","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Marketing Officer"}}],"security":"Common Stock","published_at":"2017-09-18T16:42:46.000Z","date":"2017-09-18","kind":"sale","acquired":false,"shares":600,"price":33.75,"value":20250.0,"ownership":{"direct":false,"nature":"Spanicciati Family 2013 Irrevocable 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 adapted by the Reporting Person on March 14, 2017."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The sale price represents the weighted average price of the shares sold ranging from $33.71 to $33.84 per share.  Upon request by the 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":3273696,"source":{"system":"sec-edgar","filing":"0001209191-17-053168","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1688128/000120919117053168/doc4.xml","form_type":"4"}},{"id":4207288,"issuer":{"id":4556,"kind":"organization","name":"BLACKLINE, INC.","symbol":"BL"},"owners":[{"id":149432,"kind":"person","name":"Spanicciati Mario","position":1,"cik":"0001688128","reported_name":"Spanicciati Mario","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Marketing Officer"}}],"security":"Common Stock","published_at":"2017-09-18T16:42:46.000Z","date":"2017-09-18","kind":"sale","acquired":false,"shares":10025,"price":32.94,"value":330223.5,"ownership":{"direct":false,"nature":"Spanicciati Family 2013 Irrevocable 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 adapted by the Reporting Person on March 14, 2017."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The sale price represents the weighted average price of the shares sold ranging from $32.60 to $33.52 per share.  Upon request by the 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":3274296,"source":{"system":"sec-edgar","filing":"0001209191-17-053168","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1688128/000120919117053168/doc4.xml","form_type":"4"}},{"id":4211775,"issuer":{"id":4556,"kind":"organization","name":"BLACKLINE, INC.","symbol":"BL"},"owners":[{"id":149432,"kind":"person","name":"Spanicciati Mario","position":1,"cik":"0001688128","reported_name":"Spanicciati Mario","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Marketing Officer"}}],"security":"Common Stock","published_at":"2017-09-12T16:36:36.000Z","date":"2017-09-12","kind":"sale","acquired":false,"shares":2125,"price":35,"value":74375.0,"ownership":{"direct":false,"nature":"Spanicciati Family 2013 Irrevocable 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 adapted by the Reporting Person on March 14, 2017."}],"balance_after":3284321,"source":{"system":"sec-edgar","filing":"0001209191-17-052438","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1688128/000120919117052438/doc4.xml","form_type":"4"}},{"id":4211774,"issuer":{"id":4556,"kind":"organization","name":"BLACKLINE, INC.","symbol":"BL"},"owners":[{"id":149432,"kind":"person","name":"Spanicciati Mario","position":1,"cik":"0001688128","reported_name":"Spanicciati Mario","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Marketing Officer"}}],"security":"Common Stock","published_at":"2017-09-12T16:36:36.000Z","date":"2017-09-11","kind":"sale","acquired":false,"shares":10625,"price":32.98,"value":350412.5,"ownership":{"direct":false,"nature":"Spanicciati Family 2013 Irrevocable 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 adapted by the Reporting Person on March 14, 2017."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The sale price represents the weighted average price of the shares sold ranging from $32.85 to $33.09 per share. Upon request by the Commission staff, the Issuer or a security holder of the Issuer, the Reporting Person will provide full information"}],"balance_after":3286446,"source":{"system":"sec-edgar","filing":"0001209191-17-052438","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1688128/000120919117052438/doc4.xml","form_type":"4"}},{"id":4217978,"issuer":{"id":4556,"kind":"organization","name":"BLACKLINE, INC.","symbol":"BL"},"owners":[{"id":149432,"kind":"person","name":"Spanicciati Mario","position":1,"cik":"0001688128","reported_name":"Spanicciati Mario","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Marketing Officer"}}],"security":"Common Stock","published_at":"2017-09-05T17:23:35.000Z","date":"2017-09-05","kind":"sale","acquired":false,"shares":10625,"price":30.45,"value":323531.25,"ownership":{"direct":false,"nature":"Spanicciati Family 2013 Irrevocable 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 adapted by the Reporting Person on March 14, 2017."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The sale price represents the weighted average price of the shares sold ranging from $30.22 to $30.69 per share.  Upon request by the 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":3297071,"source":{"system":"sec-edgar","filing":"0001209191-17-051432","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1688128/000120919117051432/doc4.xml","form_type":"4"}},{"id":4221603,"issuer":{"id":4556,"kind":"organization","name":"BLACKLINE, INC.","symbol":"BL"},"owners":[{"id":149432,"kind":"person","name":"Spanicciati Mario","position":1,"cik":"0001688128","reported_name":"Spanicciati Mario","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Marketing Officer"}}],"security":"Common Stock","published_at":"2017-08-30T18:43:24.000Z","date":"2017-08-29","kind":"sale","acquired":false,"shares":2125,"price":30,"value":63750.0,"ownership":{"direct":false,"nature":"Spanicciati Family 2013 Irrevocable 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 adapted by the Reporting Person on March 14, 2017."}],"balance_after":3307696,"source":{"system":"sec-edgar","filing":"0001209191-17-050794","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1688128/000120919117050794/doc4.xml","form_type":"4"}},{"id":4222659,"issuer":{"id":4556,"kind":"organization","name":"BLACKLINE, INC.","symbol":"BL"},"owners":[{"id":149432,"kind":"person","name":"Spanicciati Mario","position":1,"cik":"0001688128","reported_name":"Spanicciati Mario","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Marketing Officer"}}],"security":"Common Stock","published_at":"2017-08-29T17:13:15.000Z","date":"2017-08-28","kind":"sale","acquired":false,"shares":8500,"price":29.28,"value":248880.0,"ownership":{"direct":false,"nature":"Spanicciati Family 2013 Irrevocable 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 adapted by the Reporting Person on March 14, 2017."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The sale price represents the weighted average price of the shares sold ranging from $29.01 to $29.65 per share. Upon request by the Commission staff, the Issuer or a security holder of the Issuer, the Reporting Person will provide full information"}],"balance_after":3309821,"source":{"system":"sec-edgar","filing":"0001209191-17-050616","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1688128/000120919117050616/doc4.xml","form_type":"4"}},{"id":4228633,"issuer":{"id":4556,"kind":"organization","name":"BLACKLINE, INC.","symbol":"BL"},"owners":[{"id":149432,"kind":"person","name":"Spanicciati Mario","position":1,"cik":"0001688128","reported_name":"Spanicciati Mario","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Marketing Officer"}}],"security":"Common Stock","published_at":"2017-08-21T17:57:27.000Z","date":"2017-08-21","kind":"sale","acquired":false,"shares":8500,"price":29.25,"value":248625.0,"ownership":{"direct":false,"nature":"Spanicciati Family 2013 Irrevocable 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 adapted by the Reporting Person on March 14, 2017."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The sale price represents the weighted average price of the shares sold ranging from $29.07 to $29.65 per share.  Upon request by the 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":3318321,"source":{"system":"sec-edgar","filing":"0001209191-17-049745","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1688128/000120919117049745/doc4.xml","form_type":"4"}},{"id":4235386,"issuer":{"id":4556,"kind":"organization","name":"BLACKLINE, INC.","symbol":"BL"},"owners":[{"id":149432,"kind":"person","name":"Spanicciati Mario","position":1,"cik":"0001688128","reported_name":"Spanicciati Mario","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Marketing Officer"}}],"security":"Common Stock","published_at":"2017-08-14T15:04:55.000Z","date":"2017-08-14","kind":"sale","acquired":false,"shares":10625,"price":29.88,"value":317475.0,"ownership":{"direct":false,"nature":"Spanicciati Family 2013 Irrevocable 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 adapted by the Reporting Person on March 14, 2017."},{"field":"shares","element":"transactionShares","label":"F2","text":"The sale price represents the weighted average price of the shares sold ranging from $29.74 to $30.01 per share.  Upon request by the 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":3326821,"source":{"system":"sec-edgar","filing":"0001209191-17-048733","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1688128/000120919117048733/doc4.xml","form_type":"4"}},{"id":4241379,"issuer":{"id":4556,"kind":"organization","name":"BLACKLINE, INC.","symbol":"BL"},"owners":[{"id":149432,"kind":"person","name":"Spanicciati Mario","position":1,"cik":"0001688128","reported_name":"Spanicciati Mario","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Marketing Officer"}}],"security":"Common Stock","published_at":"2017-08-07T15:16:45.000Z","date":"2017-08-07","kind":"sale","acquired":false,"shares":200,"price":32.11,"value":6422.0,"ownership":{"direct":false,"nature":"Spanicciati Family 2013 Irrevocable 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 adapted by the Reporting Person on March 14, 2017."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The sale price represents the weighted average price of the shares sold ranging from $32.02 to $32.19 per share.  Upon request by the 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":3337446,"source":{"system":"sec-edgar","filing":"0001209191-17-047857","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1688128/000120919117047857/doc4.xml","form_type":"4"}},{"id":4241378,"issuer":{"id":4556,"kind":"organization","name":"BLACKLINE, INC.","symbol":"BL"},"owners":[{"id":149432,"kind":"person","name":"Spanicciati Mario","position":1,"cik":"0001688128","reported_name":"Spanicciati Mario","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Marketing Officer"}}],"security":"Common Stock","published_at":"2017-08-07T15:16:45.000Z","date":"2017-08-07","kind":"sale","acquired":false,"shares":1100,"price":31.33,"value":34463.0,"ownership":{"direct":false,"nature":"Spanicciati Family 2013 Irrevocable 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 adapted by the Reporting Person on March 14, 2017."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The sale price represents the weighted average price of the shares sold ranging from $31.00 to $31.98 per share.  Upon request by the 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":3337646,"source":{"system":"sec-edgar","filing":"0001209191-17-047857","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1688128/000120919117047857/doc4.xml","form_type":"4"}},{"id":4241377,"issuer":{"id":4556,"kind":"organization","name":"BLACKLINE, INC.","symbol":"BL"},"owners":[{"id":149432,"kind":"person","name":"Spanicciati Mario","position":1,"cik":"0001688128","reported_name":"Spanicciati Mario","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Marketing Officer"}}],"security":"Common Stock","published_at":"2017-08-07T15:16:45.000Z","date":"2017-08-07","kind":"sale","acquired":false,"shares":9325,"price":30.15,"value":281148.75,"ownership":{"direct":false,"nature":"Spanicciati Family 2013 Irrevocable 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 adapted by the Reporting Person on March 14, 2017."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The sale price represents the weighted average price of the shares sold ranging from $30.00 to $30.75 per share.  Upon request by the 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":3338746,"source":{"system":"sec-edgar","filing":"0001209191-17-047857","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1688128/000120919117047857/doc4.xml","form_type":"4"}},{"id":4247431,"issuer":{"id":4556,"kind":"organization","name":"BLACKLINE, INC.","symbol":"BL"},"owners":[{"id":149432,"kind":"person","name":"Spanicciati Mario","position":1,"cik":"0001688128","reported_name":"Spanicciati Mario","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Marketing Officer"}}],"security":"Common Stock","published_at":"2017-08-01T13:18:00.000Z","date":"2017-07-31","kind":"sale","acquired":false,"shares":12750,"price":38.91,"value":496102.5,"ownership":{"direct":false,"nature":"Spanicciati Family 2013 Irrevocable 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 adapted by the Reporting Person on March 14, 2017."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The sale price represents the weighted average price of the shares sold ranging from $38.71 to $39.20 per share.  Upon request by the 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":3348071,"source":{"system":"sec-edgar","filing":"0001209191-17-046873","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1688128/000120919117046873/doc4.xml","form_type":"4"}},{"id":4247432,"issuer":{"id":4556,"kind":"organization","name":"BLACKLINE, INC.","symbol":"BL"},"owners":[{"id":149432,"kind":"person","name":"Spanicciati Mario","position":1,"cik":"0001688128","reported_name":"Spanicciati Mario","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Marketing Officer"}}],"security":"Common Stock","published_at":"2017-08-01T11:26:40.000Z","date":"2017-07-28","kind":"sale","acquired":false,"shares":4250,"price":40,"value":170000.0,"ownership":{"direct":false,"nature":"Spanicciati Family 2013 Irrevocable 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 adapted by the Reporting Person on March 14, 2017."}],"balance_after":3360821,"source":{"system":"sec-edgar","filing":"0001209191-17-046858","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1688128/000120919117046858/doc4.xml","form_type":"4"}},{"id":4252648,"issuer":{"id":4556,"kind":"organization","name":"BLACKLINE, INC.","symbol":"BL"},"owners":[{"id":149432,"kind":"person","name":"Spanicciati Mario","position":1,"cik":"0001688128","reported_name":"Spanicciati Mario","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Marketing Officer"}}],"security":"Common Stock","published_at":"2017-07-24T17:37:27.000Z","date":"2017-07-24","kind":"sale","acquired":false,"shares":12750,"price":37.57,"value":479017.5,"ownership":{"direct":false,"nature":"Spanicciati Family 2013 Irrevocable 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 adapted by the Reporting Person on March 14, 2017."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The sale price represents the weighted average price of the shares sold ranging from $37.09 to $37.75 per share.  Upon request by the 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":3365071,"source":{"system":"sec-edgar","filing":"0001209191-17-046093","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1688128/000120919117046093/doc4.xml","form_type":"4"}},{"id":4255392,"issuer":{"id":4556,"kind":"organization","name":"BLACKLINE, INC.","symbol":"BL"},"owners":[{"id":149432,"kind":"person","name":"Spanicciati Mario","position":1,"cik":"0001688128","reported_name":"Spanicciati Mario","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Marketing Officer"}}],"security":"Common Stock","published_at":"2017-07-18T12:38:37.000Z","date":"2017-07-17","kind":"sale","acquired":false,"shares":12750,"price":36.93,"value":470857.5,"ownership":{"direct":false,"nature":"Spanicciati Family 2013 Irrevocable 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 adapted by the Reporting Person on March 14, 2017."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The sale price represents the weighted average price of the shares sold ranging from $36.83 to $37.43 per share.  Upon request by the 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":3377821,"source":{"system":"sec-edgar","filing":"0001209191-17-045467","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1688128/000120919117045467/doc4.xml","form_type":"4"}},{"id":4260006,"issuer":{"id":4556,"kind":"organization","name":"BLACKLINE, INC.","symbol":"BL"},"owners":[{"id":149432,"kind":"person","name":"Spanicciati Mario","position":1,"cik":"0001688128","reported_name":"Spanicciati Mario","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Marketing Officer"}}],"security":"Common Stock","published_at":"2017-07-10T12:39:50.000Z","date":"2017-07-10","kind":"sale","acquired":false,"shares":12750,"price":36.4,"value":464100.0,"ownership":{"direct":false,"nature":"Spanicciati Family 2013 Irrevocable 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 adapted by the Reporting Person on March 14, 2017."},{"field":"shares","element":"transactionShares","label":"F2","text":"The sale price represents the weighted average price of the shares sold ranging from $36.09 to $36.47 per share.  Upon request by the 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":3390571,"source":{"system":"sec-edgar","filing":"0001209191-17-044510","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1688128/000120919117044510/doc4.xml","form_type":"4"}},{"id":4264708,"issuer":{"id":4556,"kind":"organization","name":"BLACKLINE, INC.","symbol":"BL"},"owners":[{"id":149432,"kind":"person","name":"Spanicciati Mario","position":1,"cik":"0001688128","reported_name":"Spanicciati Mario","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Marketing Officer"}}],"security":"Common Stock","published_at":"2017-07-05T12:21:36.000Z","date":"2017-07-03","kind":"sale","acquired":false,"shares":12750,"price":35.79,"value":456322.5,"ownership":{"direct":false,"nature":"Spanicciati Family 2013 Irrevocable 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 adapted by the Reporting Person on March 14, 2017."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The sale price represents the weighted average price of the shares sold ranging from $35.21 to $36.13 per share.  Upon request by the 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":3403321,"source":{"system":"sec-edgar","filing":"0001209191-17-042987","document":"doc4a.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1688128/000120919117042987/doc4a.xml","form_type":"4/A","original_submission_date":"2017-07-03"}},{"id":4267671,"issuer":{"id":4556,"kind":"organization","name":"BLACKLINE, INC.","symbol":"BL"},"owners":[{"id":149432,"kind":"person","name":"Spanicciati Mario","position":1,"cik":"0001688128","reported_name":"Spanicciati Mario","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Marketing Officer"}}],"security":"Common Stock","published_at":"2017-07-03T16:02:23.000Z","date":"2017-07-03","kind":"sale","acquired":false,"shares":12750,"price":35.79,"value":456322.5,"ownership":{"direct":false,"nature":"Spanicciati Family 2013 Irrevocable 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 adapted by the Reporting Person on March 14, 2017."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The sale price represents the weighted average price of the shares sold ranging from $35.21 to $36.13 per share.  Upon request by the 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":3403121,"source":{"system":"sec-edgar","filing":"0001209191-17-042825","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1688128/000120919117042825/doc4.xml","form_type":"4"}},{"id":4279226,"issuer":{"id":4556,"kind":"organization","name":"BLACKLINE, INC.","symbol":"BL"},"owners":[{"id":149432,"kind":"person","name":"Spanicciati Mario","position":1,"cik":"0001688128","reported_name":"Spanicciati Mario","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Marketing Officer"}}],"security":"Common Stock","published_at":"2017-06-16T18:38:04.000Z","date":"2017-06-16","kind":"sale","acquired":false,"shares":5000,"price":35.34,"value":176700.0,"ownership":{"direct":false,"nature":"Spanicciati Family 2013 Irrevocable 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 adapted by the Reporting Person on March 14, 2017."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The sale price represents the weighted average price of the shares sold ranging from $35.00 to $35.57 per share.  Upon request by the 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":3416071,"source":{"system":"sec-edgar","filing":"0001209191-17-040644","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1688128/000120919117040644/doc4.xml","form_type":"4"}},{"id":4283902,"issuer":{"id":4556,"kind":"organization","name":"BLACKLINE, INC.","symbol":"BL"},"owners":[{"id":149432,"kind":"person","name":"Spanicciati Mario","position":1,"cik":"0001688128","reported_name":"Spanicciati Mario","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Marketing Officer"}}],"security":"Common Stock","published_at":"2017-06-13T13:48:54.000Z","date":"2017-06-12","kind":"sale","acquired":false,"shares":25000,"price":32.94,"value":823500.0,"ownership":{"direct":false,"nature":"Spanicciati Family 2013 Irrevocable 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 adapted by the Reporting Person on March 14, 2017."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The sale price represents the weighted average price of the shares sold ranging from $32.84 to $33.26 per share.  Upon request by the 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":3421071,"source":{"system":"sec-edgar","filing":"0001209191-17-039379","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1688128/000120919117039379/doc4.xml","form_type":"4"}},{"id":4293096,"issuer":{"id":4556,"kind":"organization","name":"BLACKLINE, INC.","symbol":"BL"},"owners":[{"id":149432,"kind":"person","name":"Spanicciati Mario","position":1,"cik":"0001688128","reported_name":"Spanicciati Mario","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Marketing Officer"}}],"security":"Common Stock","published_at":"2017-06-05T18:12:03.000Z","date":"2017-06-05","kind":"sale","acquired":false,"shares":25000,"price":34.65,"value":866250.0,"ownership":{"direct":false,"nature":"Spanicciati Family 2013 Irrevocable 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 adapted by the Reporting Person on March 14, 2017."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The sale price represents the weighted average price of the shares sold ranging from $34.48 to $34.65 per share.  Upon request by the 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":3446071,"source":{"system":"sec-edgar","filing":"0001209191-17-037929","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1688128/000120919117037929/doc4.xml","form_type":"4"}},{"id":4295934,"issuer":{"id":4556,"kind":"organization","name":"BLACKLINE, INC.","symbol":"BL"},"owners":[{"id":149432,"kind":"person","name":"Spanicciati Mario","position":1,"cik":"0001688128","reported_name":"Spanicciati Mario","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Marketing Officer"}}],"security":"Common Stock","published_at":"2017-06-02T17:42:37.000Z","date":"2017-06-02","kind":"sale","acquired":false,"shares":5000,"price":35.2,"value":176000.0,"ownership":{"direct":false,"nature":"Spanicciati Family 2013 Irrevocable 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 adapted by the Reporting Person on March 14, 2017."}],"balance_after":3471071,"source":{"system":"sec-edgar","filing":"0001209191-17-037394","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1688128/000120919117037394/doc4.xml","form_type":"4"}},{"id":4299995,"issuer":{"id":4556,"kind":"organization","name":"BLACKLINE, INC.","symbol":"BL"},"owners":[{"id":149432,"kind":"person","name":"Spanicciati Mario","position":1,"cik":"0001688128","reported_name":"Spanicciati Mario","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Marketing Officer"}}],"security":"Common Stock","published_at":"2017-05-31T18:27:38.000Z","date":"2017-05-30","kind":"sale","acquired":false,"shares":800,"price":34.6,"value":27680.0,"ownership":{"direct":false,"nature":"Spanicciati Family 2013 Irrevocable 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 adapted by the Reporting Person on March 14, 2017."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The sale price represents the weighted average price of the shares sold ranging from $34.50 to $34.81 per share.  Upon request by the 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":3476071,"source":{"system":"sec-edgar","filing":"0001209191-17-036583","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1688128/000120919117036583/doc4.xml","form_type":"4"}},{"id":4299994,"issuer":{"id":4556,"kind":"organization","name":"BLACKLINE, INC.","symbol":"BL"},"owners":[{"id":149432,"kind":"person","name":"Spanicciati Mario","position":1,"cik":"0001688128","reported_name":"Spanicciati Mario","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Marketing Officer"}}],"security":"Common Stock","published_at":"2017-05-31T18:27:38.000Z","date":"2017-05-30","kind":"sale","acquired":false,"shares":24200,"price":33.96,"value":821832.0,"ownership":{"direct":false,"nature":"Spanicciati Family 2013 Irrevocable 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 adapted by the Reporting Person on March 14, 2017."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The sale price represents the weighted average price of the shares sold ranging from $33.49 to $34.35 per share.  Upon request by the 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":3476871,"source":{"system":"sec-edgar","filing":"0001209191-17-036583","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1688128/000120919117036583/doc4.xml","form_type":"4"}},{"id":4308369,"issuer":{"id":4556,"kind":"organization","name":"BLACKLINE, INC.","symbol":"BL"},"owners":[{"id":149432,"kind":"person","name":"Spanicciati Mario","position":1,"cik":"0001688128","reported_name":"Spanicciati Mario","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Marketing Officer"}}],"security":"Common Stock","published_at":"2017-05-23T16:44:20.000Z","date":"2017-05-22","kind":"sale","acquired":false,"shares":1180,"price":32.96,"value":38892.8,"ownership":{"direct":false,"nature":"Spanicciati Family 2013 Irrevocable 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 adapted by the Reporting Person on March 14, 2017."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The sale price represents the weighted average price of the shares sold ranging from $32.92 to $33.00 per share.  Upon request by the 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":3501071,"source":{"system":"sec-edgar","filing":"0001209191-17-034663","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1688128/000120919117034663/doc4.xml","form_type":"4"}},{"id":4308368,"issuer":{"id":4556,"kind":"organization","name":"BLACKLINE, INC.","symbol":"BL"},"owners":[{"id":149432,"kind":"person","name":"Spanicciati Mario","position":1,"cik":"0001688128","reported_name":"Spanicciati Mario","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Marketing Officer"}}],"security":"Common Stock","published_at":"2017-05-23T16:44:20.000Z","date":"2017-05-22","kind":"sale","acquired":false,"shares":23820,"price":32.4,"value":771768.0,"ownership":{"direct":false,"nature":"Spanicciati Family 2013 Irrevocable 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 adapted by the Reporting Person on March 14, 2017."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The sale price represents the weighted average price of the shares sold ranging from $31.92 to $32.91 per share.  Upon request by the 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":3502251,"source":{"system":"sec-edgar","filing":"0001209191-17-034663","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1688128/000120919117034663/doc4.xml","form_type":"4"}},{"id":4316027,"issuer":{"id":4556,"kind":"organization","name":"BLACKLINE, INC.","symbol":"BL"},"owners":[{"id":149432,"kind":"person","name":"Spanicciati Mario","position":1,"cik":"0001688128","reported_name":"Spanicciati Mario","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Marketing Officer"}}],"security":"Common Stock","published_at":"2017-05-17T16:42:26.000Z","date":"2017-05-15","kind":"sale","acquired":false,"shares":433,"price":32.2,"value":13942.6,"ownership":{"direct":false,"nature":"Spanicciati Family 2013 Irrevocable 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 adapted by the Reporting Person on March 14, 2017."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The sale price represents the weighted average price of the shares sold ranging from $32.18 to $32.22 per share.  Upon request by the 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":3526071,"source":{"system":"sec-edgar","filing":"0001209191-17-033132","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1688128/000120919117033132/doc4.xml","form_type":"4"}},{"id":4316026,"issuer":{"id":4556,"kind":"organization","name":"BLACKLINE, INC.","symbol":"BL"},"owners":[{"id":149432,"kind":"person","name":"Spanicciati Mario","position":1,"cik":"0001688128","reported_name":"Spanicciati Mario","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Marketing Officer"}}],"security":"Common Stock","published_at":"2017-05-17T16:42:26.000Z","date":"2017-05-15","kind":"sale","acquired":false,"shares":24567,"price":31.57,"value":775580.19,"ownership":{"direct":false,"nature":"Spanicciati Family 2013 Irrevocable 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 adapted by the Reporting Person on March 14, 2017."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The sale price represents the weighted average price of the shares sold ranging from $31.15 to $32.14 per share.  Upon request by the 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":3526504,"source":{"system":"sec-edgar","filing":"0001209191-17-033132","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1688128/000120919117033132/doc4.xml","form_type":"4"}},{"id":4326692,"issuer":{"id":4556,"kind":"organization","name":"BLACKLINE, INC.","symbol":"BL"},"owners":[{"id":149432,"kind":"person","name":"Spanicciati Mario","position":1,"cik":"0001688128","reported_name":"Spanicciati Mario","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Marketing Officer"}}],"security":"Common Stock","published_at":"2017-05-10T16:48:15.000Z","date":"2017-05-08","kind":"sale","acquired":false,"shares":21300,"price":31.1683,"value":663884.79,"ownership":{"direct":false,"nature":"Spanicciati Family 2013 Irrevocable 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 adapted by the Reporting Person on March 14, 2017,"},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The sale price represents the weighted average price of the shares sold ranging from $30.68 to $31.66 per share.  Upon request by the 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":3551071,"source":{"system":"sec-edgar","filing":"0001209191-17-031341","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1688128/000120919117031341/doc4.xml","form_type":"4"}},{"id":4326691,"issuer":{"id":4556,"kind":"organization","name":"BLACKLINE, INC.","symbol":"BL"},"owners":[{"id":149432,"kind":"person","name":"Spanicciati Mario","position":1,"cik":"0001688128","reported_name":"Spanicciati Mario","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Marketing Officer"}}],"security":"Common Stock","published_at":"2017-05-10T16:48:15.000Z","date":"2017-05-08","kind":"sale","acquired":false,"shares":3600,"price":31.8203,"value":114553.08,"ownership":{"direct":false,"nature":"Spanicciati Family 2013 Irrevocable 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 adapted by the Reporting Person on March 14, 2017,"},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The sale price represents the weighted average price of the shares sold ranging from $31.67 to $32.28 per share.  Upon request by the 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":3572371,"source":{"system":"sec-edgar","filing":"0001209191-17-031341","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1688128/000120919117031341/doc4.xml","form_type":"4"}},{"id":4326690,"issuer":{"id":4556,"kind":"organization","name":"BLACKLINE, INC.","symbol":"BL"},"owners":[{"id":149432,"kind":"person","name":"Spanicciati Mario","position":1,"cik":"0001688128","reported_name":"Spanicciati Mario","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Marketing Officer"}}],"security":"Common Stock","published_at":"2017-05-10T16:48:15.000Z","date":"2017-05-08","kind":"sale","acquired":false,"shares":100,"price":32.93,"value":3293.0,"ownership":{"direct":false,"nature":"Spanicciati Family 2013 Irrevocable 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 adapted by the Reporting Person on March 14, 2017,"}],"balance_after":3575971,"source":{"system":"sec-edgar","filing":"0001209191-17-031341","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1688128/000120919117031341/doc4.xml","form_type":"4"}}]}