{"transactions":[{"id":4205323,"issuer":{"id":4976,"kind":"organization","name":"Wave Life Sciences, Inc.","symbol":"WVE"},"owners":[{"id":173067,"kind":"person","name":"Tanaka Masaharu","position":1,"cik":"0001657771","reported_name":"Tanaka Masaharu","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":173068,"kind":"organization","name":"Kagoshima Shinsangyo Sousei Investment Limited Partnership","position":2,"cik":"0001657769","reported_name":"Kagoshima Shinsangyo Sousei Investment Limited Partnership","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Ordinary Shares","published_at":"2017-09-20T01:09:21.000Z","date":"2017-09-18","kind":"sale","acquired":false,"shares":6362,"price":24.19,"value":153896.78,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $23.62 to $24.35, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the SEC, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Shares held by Kagoshima Shinsangyo Sousei Investment Limited Partnership (\"KSS\").  Masaharu Tanaka previously was a director of the Issuer and the representative director of Kagoshima Development Co., Ltd., the general partner of KSS.  Mr. Tanaka resigned as a director of the Issuer and resigned as an employee of Kagoshima Development Co., Ltd. and, as a result of the resignations, may no longer be deemed to beneficially own the securities previously reported in prior Form 3 and Form 4 filings filed jointly with KSS.  The filing of this Form 4 shall not be construed as an admission that Mr. Tanaka is or was for the purposes of Section 16(a) of the Act, or otherwise, the beneficial owner of any of the reported securities."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"(Continued from footnote 2) As a result of Mr. Tanaka's resignation as director and the reduction in the number of Ordinary Shares beneficially owned upon the sale of Ordinary Shares reported in Table I, Mr. Tanaka and KSS are no longer subject to Section 16 of the Securities Exchange Act of 1934, as amended."}],"balance_after":2774118,"source":{"system":"sec-edgar","filing":"0000899243-17-022303","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1631574/000089924317022303/doc4.xml","form_type":"4"}},{"id":4205322,"issuer":{"id":4976,"kind":"organization","name":"Wave Life Sciences, Inc.","symbol":"WVE"},"owners":[{"id":173067,"kind":"person","name":"Tanaka Masaharu","position":1,"cik":"0001657771","reported_name":"Tanaka Masaharu","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":173068,"kind":"organization","name":"Kagoshima Shinsangyo Sousei Investment Limited Partnership","position":2,"cik":"0001657769","reported_name":"Kagoshima Shinsangyo Sousei Investment Limited Partnership","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Ordinary Shares","published_at":"2017-09-20T01:09:21.000Z","date":"2017-09-15","kind":"sale","acquired":false,"shares":14385,"price":24.22,"value":348404.7,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $23.60 to $24.50, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission (the \"SEC\"), upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Shares held by Kagoshima Shinsangyo Sousei Investment Limited Partnership (\"KSS\").  Masaharu Tanaka previously was a director of the Issuer and the representative director of Kagoshima Development Co., Ltd., the general partner of KSS.  Mr. Tanaka resigned as a director of the Issuer and resigned as an employee of Kagoshima Development Co., Ltd. and, as a result of the resignations, may no longer be deemed to beneficially own the securities previously reported in prior Form 3 and Form 4 filings filed jointly with KSS.  The filing of this Form 4 shall not be construed as an admission that Mr. Tanaka is or was for the purposes of Section 16(a) of the Act, or otherwise, the beneficial owner of any of the reported securities."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"(Continued from footnote 2) As a result of Mr. Tanaka's resignation as director and the reduction in the number of Ordinary Shares beneficially owned upon the sale of Ordinary Shares reported in Table I, Mr. Tanaka and KSS are no longer subject to Section 16 of the Securities Exchange Act of 1934, as amended."}],"balance_after":2780480,"source":{"system":"sec-edgar","filing":"0000899243-17-022303","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1631574/000089924317022303/doc4.xml","form_type":"4"}},{"id":4366460,"issuer":{"id":4976,"kind":"organization","name":"Wave Life Sciences, Inc.","symbol":"WVE"},"owners":[{"id":173067,"kind":"person","name":"Tanaka Masaharu","position":1,"cik":"0001657771","reported_name":"Tanaka Masaharu","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":173068,"kind":"organization","name":"Kagoshima Shinsangyo Sousei Investment Limited Partnership","position":2,"cik":"0001657769","reported_name":"Kagoshima Shinsangyo Sousei Investment Limited Partnership","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Ordinary Shares","published_at":"2017-03-31T19:34:34.000Z","date":"2017-03-29","kind":"sale","acquired":false,"shares":433825,"price":24.91,"value":10806580.75,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The aggregate purchase price for the 433,825 Ordinary Shares was 1,199,998,712 Japanese yen.  The purchase price per share in Column 4 of Table I was calculated based on the aggregate purchase price divided by the number of Ordinary Shares sold.   The purchase price per share is shown in U.S. dollars and was converted based on the currency exchange rate as of the transaction date, March 29, 2017, rounded to the nearest whole cent."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Shares held by Kagoshima Shinsangyo Sousei Investment Limited Partnership (\"KSS\"). Masaharu Tanaka, a director of the Issuer, is the representative director of Kagoshima Development Co., Ltd., the general partner of KSS and may be deemed to beneficially own the reported securities. Pursuant to Rule 16a-1 under the Securities Exchange Act of 1934, as amended (the \"Act\"), Mr. Tanaka disclaims beneficial ownership of the reported securities except to the extent of his pecuniary interest therein. The filing of this Form 4 shall not be construed as an admission that Mr. Tanaka is or was for the purposes of Section 16(a) of the Act, or otherwise, the beneficial owner of any of the reported securities."}],"balance_after":2794865,"source":{"system":"sec-edgar","filing":"0000899243-17-008992","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1631574/000089924317008992/doc4.xml","form_type":"4"}}]}