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With respect to the remaining 83,229 shares of Class A Common Stock underlying this award, the exercise price was adjusted and the reporting person received options to purchase shares of Cyclerion Common Stock to preserve the pre-Separation intrinsic value of such portion of the Ironwood option award."},{"field":"price","element":"transactionPricePerShare","label":"F7","text":"Represents options to purchase Ironwood Class A Common Stock awarded to the reporting person prior to the Separation.  In connection with the Separation, 1,771 shares of Class A Common Stock underlying this award were replaced with an option to purchase shares of Cyclerion Common Stock.  With respect to the remaining 83,229 shares of Class A Common Stock underlying this award, the exercise price was adjusted and the reporting person received options to purchase shares of Cyclerion Common Stock to preserve the pre-Separation intrinsic value of such portion of the Ironwood option award."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F5","text":"This option, granted as an annual performance award, is presently exercisable in full."}],"balance_after":83229,"derivative":{"exercise_price":12.56,"expiration_date":"2024-03-03","underlying":"Class A Common Stock","underlying_shares":1771},"source":{"system":"sec-edgar","filing":"0001209191-19-023438","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":8,"url":"https://www.sec.gov/Archives/edgar/data/1478244/000120919119023438/doc4.xml","form_type":"4"}},{"id":3564728,"issuer":{"id":5213,"kind":"organization","name":"IRONWOOD PHARMACEUTICALS INC","symbol":"IRWD"},"owners":[{"id":37245,"kind":"person","name":"Currie Mark G","position":1,"cik":"0001478244","reported_name":"Currie Mark G","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Employee Stock Option (Right to Buy)","published_at":"2019-04-03T22:17:58.000Z","date":"2019-04-01","kind":"disposition_to_issuer","acquired":false,"shares":9617,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F6","text":"Represents options to purchase Ironwood Class A Common Stock awarded to the reporting person prior to the Separation.  In connection with the Separation, 9,617 shares of Class A Common Stock underlying this award were replaced with an option to purchase shares of Cyclerion Common Stock.  With respect to the remaining 190,383 shares of Class A Common Stock underlying this award, the exercise price was adjusted and the reporting person received options to purchase shares of Cyclerion Common Stock to preserve the pre-Separation intrinsic value of such portion of the Ironwood option award."},{"field":"shares","element":"transactionShares","label":"F6","text":"Represents options to purchase Ironwood Class A Common Stock awarded to the reporting person prior to the Separation.  In connection with the Separation, 9,617 shares of Class A Common Stock underlying this award were replaced with an option to purchase shares of Cyclerion Common Stock.  With respect to the remaining 190,383 shares of Class A Common Stock underlying this award, the exercise price was adjusted and the reporting person received options to purchase shares of Cyclerion Common Stock to preserve the pre-Separation intrinsic value of such portion of the Ironwood option award."},{"field":"price","element":"transactionPricePerShare","label":"F6","text":"Represents options to purchase Ironwood Class A Common Stock awarded to the reporting person prior to the Separation.  In connection with the Separation, 9,617 shares of Class A Common Stock underlying this award were replaced with an option to purchase shares of Cyclerion Common Stock.  With respect to the remaining 190,383 shares of Class A Common Stock underlying this award, the exercise price was adjusted and the reporting person received options to purchase shares of Cyclerion Common Stock to preserve the pre-Separation intrinsic value of such portion of the Ironwood option award."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F5","text":"This option, granted as an annual performance award, is presently exercisable in full."}],"balance_after":190383,"derivative":{"exercise_price":11.65,"expiration_date":"2023-02-01","underlying":"Class A Common Stock","underlying_shares":9617},"source":{"system":"sec-edgar","filing":"0001209191-19-023438","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/1478244/000120919119023438/doc4.xml","form_type":"4"}},{"id":3564727,"issuer":{"id":5213,"kind":"organization","name":"IRONWOOD PHARMACEUTICALS INC","symbol":"IRWD"},"owners":[{"id":37245,"kind":"person","name":"Currie Mark G","position":1,"cik":"0001478244","reported_name":"Currie Mark G","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Employee Stock Option (Right to Buy)","published_at":"2019-04-03T22:17:58.000Z","date":"2019-04-01","kind":"disposition_to_issuer","acquired":false,"shares":8029,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F4","text":"Represents options to purchase Ironwood Class A Common Stock awarded to the reporting person prior to the Separation.  In connection with the Separation, 8,029 shares of Class A Common Stock underlying this award were replaced with an option to purchase shares of Cyclerion Common Stock.  With respect to the remaining 101,971 shares of Class A Common Stock underlying this award, the exercise price was adjusted and the reporting person received options to purchase shares of Cyclerion Common Stock to preserve the pre-Separation intrinsic value of such portion of the Ironwood option award."},{"field":"shares","element":"transactionShares","label":"F4","text":"Represents options to purchase Ironwood Class A Common Stock awarded to the reporting person prior to the Separation.  In connection with the Separation, 8,029 shares of Class A Common Stock underlying this award were replaced with an option to purchase shares of Cyclerion Common Stock.  With respect to the remaining 101,971 shares of Class A Common Stock underlying this award, the exercise price was adjusted and the reporting person received options to purchase shares of Cyclerion Common Stock to preserve the pre-Separation intrinsic value of such portion of the Ironwood option award."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"Represents options to purchase Ironwood Class A Common Stock awarded to the reporting person prior to the Separation.  In connection with the Separation, 8,029 shares of Class A Common Stock underlying this award were replaced with an option to purchase shares of Cyclerion Common Stock.  With respect to the remaining 101,971 shares of Class A Common Stock underlying this award, the exercise price was adjusted and the reporting person received options to purchase shares of Cyclerion Common Stock to preserve the pre-Separation intrinsic value of such portion of the Ironwood option award."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F5","text":"This option, granted as an annual performance award, is presently exercisable in full."}],"balance_after":101971,"derivative":{"exercise_price":13.11,"expiration_date":"2022-02-01","underlying":"Class A Common Stock","underlying_shares":8029},"source":{"system":"sec-edgar","filing":"0001209191-19-023438","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1478244/000120919119023438/doc4.xml","form_type":"4"}},{"id":3564726,"issuer":{"id":5213,"kind":"organization","name":"IRONWOOD PHARMACEUTICALS INC","symbol":"IRWD"},"owners":[{"id":37245,"kind":"person","name":"Currie Mark G","position":1,"cik":"0001478244","reported_name":"Currie Mark G","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Employee Stock Option (Right to Buy)","published_at":"2019-04-03T22:17:58.000Z","date":"2019-04-01","kind":"disposition_to_issuer","acquired":false,"shares":25000,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F3","text":"Represents options to purchase Ironwood Class A Common Stock awarded to the reporting person prior to the Separation.  In connection with the Separation, the Ironwood option award was replaced with an option to purchase shares of Cyclerion Common Stock."},{"field":"shares","element":"transactionShares","label":"F3","text":"Represents options to purchase Ironwood Class A Common Stock awarded to the reporting person prior to the Separation.  In connection with the Separation, the Ironwood option award was replaced with an option to purchase shares of Cyclerion Common Stock."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"Represents options to purchase Ironwood Class A Common Stock awarded to the reporting person prior to the Separation.  In connection with the Separation, the Ironwood option award was replaced with an option to purchase shares of Cyclerion Common Stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"Represents options to purchase Ironwood Class A Common Stock awarded to the reporting person prior to the Separation.  In connection with the Separation, the Ironwood option award was replaced with an option to purchase shares of Cyclerion Common Stock."}],"balance_after":0,"derivative":{"exercise_price":15.62,"expiration_date":"2025-03-16","underlying":"Class A Common Stock","underlying_shares":25000},"source":{"system":"sec-edgar","filing":"0001209191-19-023438","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1478244/000120919119023438/doc4.xml","form_type":"4"}},{"id":3564725,"issuer":{"id":5213,"kind":"organization","name":"IRONWOOD PHARMACEUTICALS INC","symbol":"IRWD"},"owners":[{"id":37245,"kind":"person","name":"Currie Mark G","position":1,"cik":"0001478244","reported_name":"Currie Mark G","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Employee Stock Option (Right to Buy)","published_at":"2019-04-03T22:17:58.000Z","date":"2019-04-01","kind":"disposition_to_issuer","acquired":false,"shares":41041,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F3","text":"Represents options to purchase Ironwood Class A Common Stock awarded to the reporting person prior to the Separation.  In connection with the Separation, the Ironwood option award was replaced with an option to purchase shares of Cyclerion Common Stock."},{"field":"shares","element":"transactionShares","label":"F3","text":"Represents options to purchase Ironwood Class A Common Stock awarded to the reporting person prior to the Separation.  In connection with the Separation, the Ironwood option award was replaced with an option to purchase shares of Cyclerion Common Stock."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"Represents options to purchase Ironwood Class A Common Stock awarded to the reporting person prior to the Separation.  In connection with the Separation, the Ironwood option award was replaced with an option to purchase shares of Cyclerion Common Stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"Represents options to purchase Ironwood Class A Common Stock awarded to the reporting person prior to the Separation.  In connection with the Separation, the Ironwood option award was replaced with an option to purchase shares of Cyclerion Common Stock."}],"balance_after":0,"derivative":{"exercise_price":11.11,"expiration_date":"2021-02-01","underlying":"Class A Common Stock","underlying_shares":41041},"source":{"system":"sec-edgar","filing":"0001209191-19-023438","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1478244/000120919119023438/doc4.xml","form_type":"4"}},{"id":3564724,"issuer":{"id":5213,"kind":"organization","name":"IRONWOOD PHARMACEUTICALS INC","symbol":"IRWD"},"owners":[{"id":37245,"kind":"person","name":"Currie Mark G","position":1,"cik":"0001478244","reported_name":"Currie Mark G","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Employee Stock Option (Right to Buy)","published_at":"2019-04-03T22:17:58.000Z","date":"2019-04-01","kind":"disposition_to_issuer","acquired":false,"shares":20000,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F3","text":"Represents options to purchase Ironwood Class A Common Stock awarded to the reporting person prior to the Separation.  In connection with the Separation, the Ironwood option award was replaced with an option to purchase shares of Cyclerion Common Stock."},{"field":"shares","element":"transactionShares","label":"F3","text":"Represents options to purchase Ironwood Class A Common Stock awarded to the reporting person prior to the Separation.  In connection with the Separation, the Ironwood option award was replaced with an option to purchase shares of Cyclerion Common Stock."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"Represents options to purchase Ironwood Class A Common Stock awarded to the reporting person prior to the Separation.  In connection with the Separation, the Ironwood option award was replaced with an option to purchase shares of Cyclerion Common Stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"Represents options to purchase Ironwood Class A Common Stock awarded to the reporting person prior to the Separation.  In connection with the Separation, the Ironwood option award was replaced with an option to purchase shares of Cyclerion Common Stock."}],"balance_after":0,"derivative":{"exercise_price":5.48,"expiration_date":"2019-07-28","underlying":"Class A Common Stock","underlying_shares":20000},"source":{"system":"sec-edgar","filing":"0001209191-19-023438","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1478244/000120919119023438/doc4.xml","form_type":"4"}},{"id":3564723,"issuer":{"id":5213,"kind":"organization","name":"IRONWOOD PHARMACEUTICALS INC","symbol":"IRWD"},"owners":[{"id":37245,"kind":"person","name":"Currie Mark G","position":1,"cik":"0001478244","reported_name":"Currie Mark G","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock","published_at":"2019-04-03T22:17:58.000Z","date":"2019-04-01","kind":"grant","acquired":true,"shares":2995,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"Issued pursuant to the Director Compensation Plan, effective as of January 2014."}],"balance_after":532958,"source":{"system":"sec-edgar","filing":"0001209191-19-023438","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1478244/000120919119023438/doc4.xml","form_type":"4"}},{"id":3564722,"issuer":{"id":5213,"kind":"organization","name":"IRONWOOD PHARMACEUTICALS INC","symbol":"IRWD"},"owners":[{"id":37245,"kind":"person","name":"Currie Mark G","position":1,"cik":"0001478244","reported_name":"Currie Mark G","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock","published_at":"2019-04-03T22:17:58.000Z","date":"2019-04-01","kind":"grant","acquired":true,"shares":1483,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"In connection with the separation (the \"Separation\"), of Cyclerion Therapeutics, Inc. (\"Cyclerion\") from Ironwood Pharmaceuticals, Inc. (\"Ironwood\"), the reporting person received 1,483 restricted stock units as a result of the adjustment of existing Ironwood restricted stock units held by the reporting person prior to the Separation.\nThe award vests as shares of Class A Common Stock on May 9, 2019."}],"balance_after":529963,"source":{"system":"sec-edgar","filing":"0001209191-19-023438","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1478244/000120919119023438/doc4.xml","form_type":"4"}},{"id":3604077,"issuer":{"id":5213,"kind":"organization","name":"IRONWOOD PHARMACEUTICALS INC","symbol":"IRWD"},"owners":[{"id":37245,"kind":"person","name":"Currie Mark G","position":1,"cik":"0001478244","reported_name":"Currie Mark G","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Scientific Officer"}}],"security":"Class A Common Stock","published_at":"2019-03-08T22:51:15.000Z","date":"2019-03-08","kind":"sale","acquired":false,"shares":49500,"price":13.15,"value":650925.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Mark Currie sold the shares of common stock of Ironwood Pharmaceuticals, Inc. to raise proceeds to fund a portion of his commitment to purchase shares of common stock of Cyclerion Therapeutics, Inc. alongside other investors in a private placement."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $13.04 to $13.39, 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, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote."}],"balance_after":528480,"source":{"system":"sec-edgar","filing":"0001209191-19-018232","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1478244/000120919119018232/doc4.xml","form_type":"4"}},{"id":3604076,"issuer":{"id":5213,"kind":"organization","name":"IRONWOOD PHARMACEUTICALS INC","symbol":"IRWD"},"owners":[{"id":37245,"kind":"person","name":"Currie Mark G","position":1,"cik":"0001478244","reported_name":"Currie Mark G","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Scientific Officer"}}],"security":"Class A Common Stock","published_at":"2019-03-08T22:51:15.000Z","date":"2019-03-07","kind":"sale","acquired":false,"shares":225500,"price":13.29,"value":2996895.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Mark Currie sold the shares of common stock of Ironwood Pharmaceuticals, Inc. to raise proceeds to fund a portion of his commitment to purchase shares of common stock of Cyclerion Therapeutics, Inc. alongside other investors in a private placement."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $12.94 to $13.45, 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, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote."}],"balance_after":577980,"source":{"system":"sec-edgar","filing":"0001209191-19-018232","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1478244/000120919119018232/doc4.xml","form_type":"4"}},{"id":3638695,"issuer":{"id":5213,"kind":"organization","name":"IRONWOOD PHARMACEUTICALS INC","symbol":"IRWD"},"owners":[{"id":37245,"kind":"person","name":"Currie Mark G","position":1,"cik":"0001478244","reported_name":"Currie Mark G","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Scientific Officer"}}],"security":"Class A Common Stock","published_at":"2019-02-22T21:49:16.000Z","date":"2019-02-21","kind":"sale","acquired":false,"shares":13,"price":14.32,"value":186.16,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"This sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.  This sale was made to cover tax withholding obligations in connection with the vesting and settlement of approximately 25% of the reporting person's restricted stock units granted on March 16, 2015."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $14.24 to $14.38, 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, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote."}],"balance_after":803480,"source":{"system":"sec-edgar","filing":"0001209191-19-012637","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1478244/000120919119012637/doc4.xml","form_type":"4"}},{"id":3638694,"issuer":{"id":5213,"kind":"organization","name":"IRONWOOD PHARMACEUTICALS INC","symbol":"IRWD"},"owners":[{"id":37245,"kind":"person","name":"Currie Mark G","position":1,"cik":"0001478244","reported_name":"Currie Mark G","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Scientific Officer"}}],"security":"Class A Common Stock","published_at":"2019-02-22T21:49:16.000Z","date":"2019-02-20","kind":"sale","acquired":false,"shares":1631,"price":14.31,"value":23339.61,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"This sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.  This sale was made to cover tax withholding obligations in connection with the vesting and settlement of approximately 25% of the reporting person's restricted stock units granted on March 16, 2015."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $14.12 to $14.59, 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, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote."}],"balance_after":803493,"source":{"system":"sec-edgar","filing":"0001209191-19-012637","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1478244/000120919119012637/doc4.xml","form_type":"4"}},{"id":3681252,"issuer":{"id":5213,"kind":"organization","name":"IRONWOOD PHARMACEUTICALS INC","symbol":"IRWD"},"owners":[{"id":37245,"kind":"person","name":"Currie Mark G","position":1,"cik":"0001478244","reported_name":"Currie Mark G","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Scientific Officer"}}],"security":"Employee Stock Option(Right to Buy)","published_at":"2019-01-31T22:32:50.000Z","date":"2019-01-29","kind":"grant","acquired":true,"shares":600000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"The option, granted as an annual performance award, vests as to 2.08333% of the shares of Class A Common Stock on each monthly anniversary of January 1, 2019."}],"balance_after":600000,"derivative":{"exercise_price":12.9,"expiration_date":"2029-01-29","underlying":"Class A Common Stock","underlying_shares":600000},"source":{"system":"sec-edgar","filing":"0001209191-19-006221","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1478244/000120919119006221/doc4.xml","form_type":"4"}},{"id":3708739,"issuer":{"id":5213,"kind":"organization","name":"IRONWOOD PHARMACEUTICALS INC","symbol":"IRWD"},"owners":[{"id":37245,"kind":"person","name":"Currie Mark G","position":1,"cik":"0001478244","reported_name":"Currie Mark G","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Scientific Officer"}}],"security":"Employee Stock Option (Right to Buy)","published_at":"2019-01-04T01:05:15.000Z","date":"2018-12-31","kind":"other","acquired":true,"shares":20000,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"In connection with the conversion described in footnote (1), outstanding stock options granted pursuant to the Issuer's equity incentive plans in respect of the Issuer's Class B Common Stock remain unchanged, except that they now represent the right to receive shares of Class A Common Stock rather than shares of Class B Common Stock."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"In connection with the conversion described in footnote (1), outstanding stock options granted pursuant to the Issuer's equity incentive plans in respect of the Issuer's Class B Common Stock remain unchanged, except that they now represent the right to receive shares of Class A Common Stock rather than shares of Class B Common Stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"On July 29, 2009, the Reporting Person was granted an option to purchase 40,000 shares of Class B Common Stock. The option vests in two equal installments upon the Issuer's achievement of certain regulatory and commercial milestones. The option has vested as to 20,000 shares as of the date hereof."}],"balance_after":20000,"derivative":{"exercise_price":5.48,"expiration_date":"2019-07-28","underlying":"Class A Common Stock","underlying_shares":20000},"source":{"system":"sec-edgar","filing":"0001209191-19-001512","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1478244/000120919119001512/doc4.xml","form_type":"4"}},{"id":3708738,"issuer":{"id":5213,"kind":"organization","name":"IRONWOOD PHARMACEUTICALS INC","symbol":"IRWD"},"owners":[{"id":37245,"kind":"person","name":"Currie Mark G","position":1,"cik":"0001478244","reported_name":"Currie Mark G","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Scientific Officer"}}],"security":"Employee Stock Option (Right to Buy)","published_at":"2019-01-04T01:05:15.000Z","date":"2018-12-31","kind":"other","acquired":false,"shares":20000,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"In connection with the conversion described in footnote (1), outstanding stock options granted pursuant to the Issuer's equity incentive plans in respect of the Issuer's Class B Common Stock remain unchanged, except that they now represent the right to receive shares of Class A Common Stock rather than shares of Class B Common Stock."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"In connection with the conversion described in footnote (1), outstanding stock options granted pursuant to the Issuer's equity incentive plans in respect of the Issuer's Class B Common Stock remain unchanged, except that they now represent the right to receive shares of Class A Common Stock rather than shares of Class B Common Stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"On July 29, 2009, the Reporting Person was granted an option to purchase 40,000 shares of Class B Common Stock. The option vests in two equal installments upon the Issuer's achievement of certain regulatory and commercial milestones. 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