{"transactions":[{"id":1176754,"issuer":{"id":9617,"kind":"organization","name":"Anebulo Pharmaceuticals, Inc."},"owners":[{"id":81025,"kind":"person","name":"Lawler Joseph F.","position":1,"cik":"0001770401","reported_name":"Lawler Joseph F.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Stock Option (right to buy)","published_at":"2025-04-08T01:41:39.000Z","date":"2025-04-04","kind":"grant","planned":false,"acquired":true,"shares":13236,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"The option vests on the earlier of April 4, 2026 or the date of the 2026 annual meeting of shareholders."}],"balance_after":13236,"derivative":{"exercise_price":1.02,"expiration_date":"2035-04-03","underlying":"Common Stock","underlying_shares":13236},"source":{"system":"sec-edgar","filing":"0001641172-25-003093","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1815974/000164117225003093/ownership.xml","form_type":"4"}},{"id":1176753,"issuer":{"id":9617,"kind":"organization","name":"Anebulo Pharmaceuticals, Inc."},"owners":[{"id":81025,"kind":"person","name":"Lawler Joseph F.","position":1,"cik":"0001770401","reported_name":"Lawler Joseph F.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Stock Option (right to buy)","published_at":"2025-04-08T01:41:39.000Z","date":"2025-04-04","kind":"grant","planned":false,"acquired":true,"shares":25000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"The option vests on the earlier of April 4, 2026 or the date of the 2026 annual meeting of shareholders."}],"balance_after":25000,"derivative":{"exercise_price":1.02,"expiration_date":"2035-04-03","underlying":"Common Stock","underlying_shares":25000},"source":{"system":"sec-edgar","filing":"0001641172-25-003093","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1815974/000164117225003093/ownership.xml","form_type":"4"}},{"id":1477425,"issuer":{"id":9617,"kind":"organization","name":"Anebulo Pharmaceuticals, Inc."},"owners":[{"id":81025,"kind":"person","name":"Lawler Joseph F.","position":1,"cik":"0001770401","reported_name":"Lawler Joseph F.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock Option (right to 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Thereafter,  1/48 of the option vests on a monthly basis over 36 months until the option becomes fully vested."}],"balance_after":30425,"derivative":{"exercise_price":6,"expiration_date":"2027-02-28","underlying":"Common Stock","underlying_shares":30425},"source":{"system":"sec-edgar","filing":"0001209191-22-052202","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1815974/000120919122052202/doc4.xml","form_type":"4"}},{"id":3471402,"issuer":{"id":95770,"kind":"organization","name":"MERRIMACK PHARMACEUTICALS INC","symbol":"MACK"},"owners":[{"id":156265,"kind":"organization","name":"JFL Capital Management, LLC","position":1,"cik":"0001687888","reported_name":"JFL Capital Management, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Explanation of Responses"}},{"id":156266,"kind":"organization","name":"JFL Capital Management LP","position":2,"cik":"0001770400","reported_name":"JFL Capital Management LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Explanation of Responses"}},{"id":156267,"kind":"organization","name":"JFL Capital Holdings LLC","position":3,"cik":"0001770405","reported_name":"JFL Capital Holdings LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Explanation of Responses"}},{"id":156268,"kind":"organization","name":"JFL Partners Fund LP","position":4,"cik":"0001626392","reported_name":"JFL Partners Fund LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Explanation of Responses"}},{"id":81025,"kind":"person","name":"Lawler Joseph F.","position":5,"cik":"0001770401","reported_name":"Lawler Joseph F.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Explanation of Responses"}}],"security":"Common Stock","published_at":"2019-07-02T19:01:07.000Z","date":"2019-07-02","kind":"purchase","acquired":true,"shares":10107,"price":5.848,"value":59105.736,"ownership":{"direct":false,"nature":"By: Managed Account of JFL Capital Management LLC"},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"This Form 4 is filed jointly by JFL Partners Fund LP (\"JFL Partners\"), JFL Capital Management LP (\"JFL GP\"), JFL Capital Holdings LLC (\"JFL Holdings\"), JFL Captal Management LLC (\"JFL Capital Management\") and Joseph F. Lawler (collectively, the \"Reporting Persons\"). Each of the Reporting Persons may be deemed to be a member of a Section 13(d) group that collectively beneficially owns more than 10% of the Issuer's outstanding shares of Common Stock. Each of the Reporting Persons disclaims beneficial ownership of the securities of the Issuer owned directly by other members of the Section 13(d) group and this report shall not be deemed an admission that the Reporting Persons are the beneficial owners of such securities for purposes of Section 16 or for any other purpose. Further, each of the Reporting Persons expressly disclaims beneficial ownership of the securities reported herein except to the extent of his or its pecuniary interest therein."},{"field":"price","element":"transactionPricePerShare","label":"F5","text":"The reported price in Column 4 is a weighted average price. These shares of Common Stock were purchased in multiple transactions at prices ranging from $5.781 to $5.950, excluding commissions. The Reporting Persons undertake 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 of Common Stock purchased at each separate price within the range set forth in this footnote."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"Securities held in an account separately managed by JFL Capital Management (the \"JFL Managed Account\"). JFL Capital Management, as the investment manager of the JFL Managed Account, may be deemed to beneficially own the securities held in the JFL Managed Account. Dr. Lawler, as the managing member of JFL Capital Management, may be deemed to beneficially own the securities held in the JFL Managed Account."}],"balance_after":739676,"source":{"system":"sec-edgar","filing":"0000921895-19-001955","document":"form412042002_07022019.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1687888/000092189519001955/form412042002_07022019.xml","form_type":"4"}},{"id":3471401,"issuer":{"id":95770,"kind":"organization","name":"MERRIMACK PHARMACEUTICALS INC","symbol":"MACK"},"owners":[{"id":156265,"kind":"organization","name":"JFL Capital Management, LLC","position":1,"cik":"0001687888","reported_name":"JFL Capital Management, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Explanation of Responses"}},{"id":156266,"kind":"organization","name":"JFL Capital Management LP","position":2,"cik":"0001770400","reported_name":"JFL Capital Management LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Explanation of Responses"}},{"id":156267,"kind":"organization","name":"JFL Capital Holdings LLC","position":3,"cik":"0001770405","reported_name":"JFL Capital Holdings LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Explanation of Responses"}},{"id":156268,"kind":"organization","name":"JFL Partners Fund LP","position":4,"cik":"0001626392","reported_name":"JFL Partners Fund LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Explanation of Responses"}},{"id":81025,"kind":"person","name":"Lawler Joseph F.","position":5,"cik":"0001770401","reported_name":"Lawler Joseph F.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Explanation of Responses"}}],"security":"Common Stock","published_at":"2019-07-02T19:01:07.000Z","date":"2019-07-02","kind":"purchase","acquired":true,"shares":7024,"price":5.848,"value":41076.352,"ownership":{"direct":false,"nature":"By: JFL Partners Fund LP"},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"This Form 4 is filed jointly by JFL Partners Fund LP (\"JFL Partners\"), JFL Capital Management LP (\"JFL GP\"), JFL Capital Holdings LLC (\"JFL Holdings\"), JFL Captal Management LLC (\"JFL Capital Management\") and Joseph F. Lawler (collectively, the \"Reporting Persons\"). Each of the Reporting Persons may be deemed to be a member of a Section 13(d) group that collectively beneficially owns more than 10% of the Issuer's outstanding shares of Common Stock. Each of the Reporting Persons disclaims beneficial ownership of the securities of the Issuer owned directly by other members of the Section 13(d) group and this report shall not be deemed an admission that the Reporting Persons are the beneficial owners of such securities for purposes of Section 16 or for any other purpose. Further, each of the Reporting Persons expressly disclaims beneficial ownership of the securities reported herein except to the extent of his or its pecuniary interest therein."},{"field":"price","element":"transactionPricePerShare","label":"F5","text":"The reported price in Column 4 is a weighted average price. These shares of Common Stock were purchased in multiple transactions at prices ranging from $5.781 to $5.950, excluding commissions. The Reporting Persons undertake 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 of Common Stock purchased at each separate price within the range set forth in this footnote."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Securities owned directly by JFL Partners. As the general partner of JFL Partners, JFL GP may be deemed to beneficially own the securities owned directly by JFL Partners. As the general parter of JFL GP, JFL Holdings may be deemed to beneficially own the securities owned directly by JFL Partners. JFL Capital Management, as the investment manager of JFL Partners, may be deemed to beneficially own the securities owned directly by JFL Partners. Dr. Lawler, as the managing member of both JFL Holdings and JFL Capital Management, may be deemed to beneficially own the securities owned directly by JFL Partners."}],"balance_after":510152,"source":{"system":"sec-edgar","filing":"0000921895-19-001955","document":"form412042002_07022019.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1687888/000092189519001955/form412042002_07022019.xml","form_type":"4"}},{"id":3471400,"issuer":{"id":95770,"kind":"organization","name":"MERRIMACK PHARMACEUTICALS INC","symbol":"MACK"},"owners":[{"id":156265,"kind":"organization","name":"JFL Capital Management, LLC","position":1,"cik":"0001687888","reported_name":"JFL Capital Management, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Explanation of Responses"}},{"id":156266,"kind":"organization","name":"JFL Capital Management LP","position":2,"cik":"0001770400","reported_name":"JFL Capital Management LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Explanation of Responses"}},{"id":156267,"kind":"organization","name":"JFL Capital Holdings LLC","position":3,"cik":"0001770405","reported_name":"JFL Capital Holdings LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Explanation of Responses"}},{"id":156268,"kind":"organization","name":"JFL Partners Fund LP","position":4,"cik":"0001626392","reported_name":"JFL Partners Fund LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Explanation of Responses"}},{"id":81025,"kind":"person","name":"Lawler Joseph F.","position":5,"cik":"0001770401","reported_name":"Lawler Joseph F.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Explanation of Responses"}}],"security":"Common Stock","published_at":"2019-07-02T19:01:07.000Z","date":"2019-07-01","kind":"purchase","acquired":true,"shares":5659,"price":6.0029,"value":33970.4111,"ownership":{"direct":false,"nature":"By: Managed Account of JFL Capital Management LLC"},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"This Form 4 is filed jointly by JFL Partners Fund LP (\"JFL Partners\"), JFL Capital Management LP (\"JFL GP\"), JFL Capital Holdings LLC (\"JFL Holdings\"), JFL Captal Management LLC (\"JFL Capital Management\") and Joseph F. Lawler (collectively, the \"Reporting Persons\"). Each of the Reporting Persons may be deemed to be a member of a Section 13(d) group that collectively beneficially owns more than 10% of the Issuer's outstanding shares of Common Stock. Each of the Reporting Persons disclaims beneficial ownership of the securities of the Issuer owned directly by other members of the Section 13(d) group and this report shall not be deemed an admission that the Reporting Persons are the beneficial owners of such securities for purposes of Section 16 or for any other purpose. Further, each of the Reporting Persons expressly disclaims beneficial ownership of the securities reported herein except to the extent of his or its pecuniary interest therein."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The reported price in Column 4 is a weighted average price. These shares of Common Stock were purchased in multiple transactions at prices ranging from $5.827 to $6.090, excluding commissions. The Reporting Persons undertake 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 of Common Stock purchased at each separate price within the range set forth in this footnote."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"Securities held in an account separately managed by JFL Capital Management (the \"JFL Managed Account\"). JFL Capital Management, as the investment manager of the JFL Managed Account, may be deemed to beneficially own the securities held in the JFL Managed Account. Dr. Lawler, as the managing member of JFL Capital Management, may be deemed to beneficially own the securities held in the JFL Managed Account."}],"balance_after":729569,"source":{"system":"sec-edgar","filing":"0000921895-19-001955","document":"form412042002_07022019.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1687888/000092189519001955/form412042002_07022019.xml","form_type":"4"}},{"id":3471399,"issuer":{"id":95770,"kind":"organization","name":"MERRIMACK PHARMACEUTICALS INC","symbol":"MACK"},"owners":[{"id":156265,"kind":"organization","name":"JFL Capital Management, LLC","position":1,"cik":"0001687888","reported_name":"JFL Capital Management, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Explanation of Responses"}},{"id":156266,"kind":"organization","name":"JFL Capital Management LP","position":2,"cik":"0001770400","reported_name":"JFL Capital Management LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Explanation of Responses"}},{"id":156267,"kind":"organization","name":"JFL Capital Holdings LLC","position":3,"cik":"0001770405","reported_name":"JFL Capital Holdings LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Explanation of Responses"}},{"id":156268,"kind":"organization","name":"JFL Partners Fund LP","position":4,"cik":"0001626392","reported_name":"JFL Partners Fund LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Explanation of Responses"}},{"id":81025,"kind":"person","name":"Lawler Joseph F.","position":5,"cik":"0001770401","reported_name":"Lawler Joseph F.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Explanation of Responses"}}],"security":"Common Stock","published_at":"2019-07-02T19:01:07.000Z","date":"2019-07-01","kind":"purchase","acquired":true,"shares":3934,"price":6.0029,"value":23615.4086,"ownership":{"direct":false,"nature":"By: JFL Partners Fund LP"},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"This Form 4 is filed jointly by JFL Partners Fund LP (\"JFL Partners\"), JFL Capital Management LP (\"JFL GP\"), JFL Capital Holdings LLC (\"JFL Holdings\"), JFL Captal Management LLC (\"JFL Capital Management\") and Joseph F. Lawler (collectively, the \"Reporting Persons\"). Each of the Reporting Persons may be deemed to be a member of a Section 13(d) group that collectively beneficially owns more than 10% of the Issuer's outstanding shares of Common Stock. Each of the Reporting Persons disclaims beneficial ownership of the securities of the Issuer owned directly by other members of the Section 13(d) group and this report shall not be deemed an admission that the Reporting Persons are the beneficial owners of such securities for purposes of Section 16 or for any other purpose. Further, each of the Reporting Persons expressly disclaims beneficial ownership of the securities reported herein except to the extent of his or its pecuniary interest therein."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The reported price in Column 4 is a weighted average price. These shares of Common Stock were purchased in multiple transactions at prices ranging from $5.827 to $6.090, excluding commissions. The Reporting Persons undertake 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 of Common Stock purchased at each separate price within the range set forth in this footnote."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Securities owned directly by JFL Partners. As the general partner of JFL Partners, JFL GP may be deemed to beneficially own the securities owned directly by JFL Partners. As the general parter of JFL GP, JFL Holdings may be deemed to beneficially own the securities owned directly by JFL Partners. JFL Capital Management, as the investment manager of JFL Partners, may be deemed to beneficially own the securities owned directly by JFL Partners. Dr. Lawler, as the managing member of both JFL Holdings and JFL Capital Management, may be deemed to beneficially own the securities owned directly by JFL Partners."}],"balance_after":503128,"source":{"system":"sec-edgar","filing":"0000921895-19-001955","document":"form412042002_07022019.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1687888/000092189519001955/form412042002_07022019.xml","form_type":"4"}},{"id":3471398,"issuer":{"id":95770,"kind":"organization","name":"MERRIMACK PHARMACEUTICALS INC","symbol":"MACK"},"owners":[{"id":156265,"kind":"organization","name":"JFL Capital Management, LLC","position":1,"cik":"0001687888","reported_name":"JFL Capital Management, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Explanation of Responses"}},{"id":156266,"kind":"organization","name":"JFL Capital Management LP","position":2,"cik":"0001770400","reported_name":"JFL Capital Management LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Explanation of Responses"}},{"id":156267,"kind":"organization","name":"JFL Capital Holdings LLC","position":3,"cik":"0001770405","reported_name":"JFL Capital Holdings LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Explanation of Responses"}},{"id":156268,"kind":"organization","name":"JFL Partners Fund LP","position":4,"cik":"0001626392","reported_name":"JFL Partners Fund LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Explanation of Responses"}},{"id":81025,"kind":"person","name":"Lawler Joseph F.","position":5,"cik":"0001770401","reported_name":"Lawler Joseph F.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Explanation of Responses"}}],"security":"Common Stock","published_at":"2019-07-02T19:01:07.000Z","date":"2019-06-28","kind":"purchase","acquired":true,"shares":13902,"price":5.945,"value":82647.39,"ownership":{"direct":false,"nature":"By: Managed Account of JFL Capital Management LLC"},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"This Form 4 is filed jointly by JFL Partners Fund LP (\"JFL Partners\"), JFL Capital Management LP (\"JFL GP\"), JFL Capital Holdings LLC (\"JFL Holdings\"), JFL Captal Management LLC (\"JFL Capital Management\") and Joseph F. Lawler (collectively, the \"Reporting Persons\"). Each of the Reporting Persons may be deemed to be a member of a Section 13(d) group that collectively beneficially owns more than 10% of the Issuer's outstanding shares of Common Stock. Each of the Reporting Persons disclaims beneficial ownership of the securities of the Issuer owned directly by other members of the Section 13(d) group and this report shall not be deemed an admission that the Reporting Persons are the beneficial owners of such securities for purposes of Section 16 or for any other purpose. Further, each of the Reporting Persons expressly disclaims beneficial ownership of the securities reported herein except to the extent of his or its pecuniary interest therein."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"Securities held in an account separately managed by JFL Capital Management (the \"JFL Managed Account\"). JFL Capital Management, as the investment manager of the JFL Managed Account, may be deemed to beneficially own the securities held in the JFL Managed Account. Dr. Lawler, as the managing member of JFL Capital Management, may be deemed to beneficially own the securities held in the JFL Managed Account."}],"balance_after":723910,"source":{"system":"sec-edgar","filing":"0000921895-19-001955","document":"form412042002_07022019.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1687888/000092189519001955/form412042002_07022019.xml","form_type":"4"}},{"id":3471397,"issuer":{"id":95770,"kind":"organization","name":"MERRIMACK PHARMACEUTICALS INC","symbol":"MACK"},"owners":[{"id":156265,"kind":"organization","name":"JFL Capital Management, LLC","position":1,"cik":"0001687888","reported_name":"JFL Capital Management, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Explanation of Responses"}},{"id":156266,"kind":"organization","name":"JFL Capital Management LP","position":2,"cik":"0001770400","reported_name":"JFL Capital Management LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Explanation of Responses"}},{"id":156267,"kind":"organization","name":"JFL Capital Holdings LLC","position":3,"cik":"0001770405","reported_name":"JFL Capital Holdings LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Explanation of Responses"}},{"id":156268,"kind":"organization","name":"JFL Partners Fund LP","position":4,"cik":"0001626392","reported_name":"JFL Partners Fund LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Explanation of Responses"}},{"id":81025,"kind":"person","name":"Lawler Joseph F.","position":5,"cik":"0001770401","reported_name":"Lawler Joseph F.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Explanation of Responses"}}],"security":"Common Stock","published_at":"2019-07-02T19:01:07.000Z","date":"2019-06-28","kind":"purchase","acquired":true,"shares":9662,"price":5.945,"value":57440.59,"ownership":{"direct":false,"nature":"By: JFL Partners Fund LP"},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"This Form 4 is filed jointly by JFL Partners Fund LP (\"JFL Partners\"), JFL Capital Management LP (\"JFL GP\"), JFL Capital Holdings LLC (\"JFL Holdings\"), JFL Captal Management LLC (\"JFL Capital Management\") and Joseph F. Lawler (collectively, the \"Reporting Persons\"). Each of the Reporting Persons may be deemed to be a member of a Section 13(d) group that collectively beneficially owns more than 10% of the Issuer's outstanding shares of Common Stock. Each of the Reporting Persons disclaims beneficial ownership of the securities of the Issuer owned directly by other members of the Section 13(d) group and this report shall not be deemed an admission that the Reporting Persons are the beneficial owners of such securities for purposes of Section 16 or for any other purpose. Further, each of the Reporting Persons expressly disclaims beneficial ownership of the securities reported herein except to the extent of his or its pecuniary interest therein."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Securities owned directly by JFL Partners. As the general partner of JFL Partners, JFL GP may be deemed to beneficially own the securities owned directly by JFL Partners. As the general parter of JFL GP, JFL Holdings may be deemed to beneficially own the securities owned directly by JFL Partners. JFL Capital Management, as the investment manager of JFL Partners, may be deemed to beneficially own the securities owned directly by JFL Partners. Dr. Lawler, as the managing member of both JFL Holdings and JFL Capital Management, may be deemed to beneficially own the securities owned directly by JFL Partners."}],"balance_after":499194,"source":{"system":"sec-edgar","filing":"0000921895-19-001955","document":"form412042002_07022019.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1687888/000092189519001955/form412042002_07022019.xml","form_type":"4"}},{"id":3559394,"issuer":{"id":95770,"kind":"organization","name":"MERRIMACK PHARMACEUTICALS INC","symbol":"MACK"},"owners":[{"id":156265,"kind":"organization","name":"JFL Capital Management, LLC","position":1,"cik":"0001687888","reported_name":"JFL Capital Management, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Explanation of Responses"}},{"id":156266,"kind":"organization","name":"JFL Capital Management LP","position":2,"cik":"0001770400","reported_name":"JFL Capital Management LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Explanation of Responses"}},{"id":156267,"kind":"organization","name":"JFL Capital Holdings LLC","position":3,"cik":"0001770405","reported_name":"JFL Capital Holdings LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Explanation of Responses"}},{"id":156268,"kind":"organization","name":"JFL Partners Fund LP","position":4,"cik":"0001626392","reported_name":"JFL Partners Fund LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Explanation of Responses"}},{"id":81025,"kind":"person","name":"Lawler Joseph F.","position":5,"cik":"0001770401","reported_name":"Lawler Joseph F.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Explanation of Responses"}}],"security":"Common Stock","published_at":"2019-04-09T18:30:52.000Z","date":"2019-04-08","kind":"purchase","acquired":true,"shares":4506,"price":5.7264,"value":25803.1584,"ownership":{"direct":false,"nature":"By: JFL Partners Fund LP"},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"This Form 4 is filed jointly by JFL Partners Fund LP (\"JFL Partners\"), JFL Capital Management LP (\"JFL GP\"), JFL Capital Holdings LLC (\"JFL Holdings\"), JFL Captal Management LLC (\"JFL Capital Management\") and Joseph F. Lawler (collectively, the \"Reporting Persons\"). Each of the Reporting Persons may be deemed to be a member of a Section 13(d) group that collectively beneficially owns more than 10% of the Issuer's outstanding shares of Common Stock. Each of the Reporting Persons disclaims beneficial ownership of the securities of the Issuer owned directly by other members of the Section 13(d) group and this report shall not be deemed an admission that the Reporting Persons are the beneficial owners of such securities for purposes of Section 16 or for any other purpose. Further, each of the Reporting Persons expressly disclaims beneficial ownership of the securities reported herein except to the extent of his or its pecuniary interest therein."},{"field":"price","element":"transactionPricePerShare","label":"F5","text":"The reported price in Column 4 is a weighted average price. These shares of Common Stock were purchased in multiple transactions at prices ranging from $5.7113 to $5.7462, excluding commissions. The Reporting Persons undertake 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 of Common Stock purchased at each separate price within the range set forth in this footnote."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Securities owned directly by JFL Partners. As the general partner of JFL Partners, JFL GP may be deemed to beneficially own the securities owned directly by JFL Partners. As the general parter of JFL GP, JFL Holdings may be deemed to beneficially own the securities owned directly by JFL Partners. JFL Capital Management, as the investment manager of JFL Partners, may be deemed to beneficially own the securities owned directly by JFL Partners. Dr. Lawler, as the managing member of both JFL Holdings and JFL Capital Management, may be deemed to beneficially own the securities owned directly by JFL Partners."}],"balance_after":489532,"source":{"system":"sec-edgar","filing":"0000921895-19-001055","document":"form412042002_04092019.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1687888/000092189519001055/form412042002_04092019.xml","form_type":"4"}},{"id":3559393,"issuer":{"id":95770,"kind":"organization","name":"MERRIMACK PHARMACEUTICALS INC","symbol":"MACK"},"owners":[{"id":156265,"kind":"organization","name":"JFL Capital Management, LLC","position":1,"cik":"0001687888","reported_name":"JFL Capital Management, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Explanation of Responses"}},{"id":156266,"kind":"organization","name":"JFL Capital Management LP","position":2,"cik":"0001770400","reported_name":"JFL Capital Management LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Explanation of Responses"}},{"id":156267,"kind":"organization","name":"JFL Capital Holdings LLC","position":3,"cik":"0001770405","reported_name":"JFL Capital Holdings LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Explanation of Responses"}},{"id":156268,"kind":"organization","name":"JFL Partners Fund LP","position":4,"cik":"0001626392","reported_name":"JFL Partners Fund LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Explanation of Responses"}},{"id":81025,"kind":"person","name":"Lawler Joseph F.","position":5,"cik":"0001770401","reported_name":"Lawler Joseph F.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Explanation of Responses"}}],"security":"Common Stock","published_at":"2019-04-09T18:30:52.000Z","date":"2019-04-08","kind":"purchase","acquired":true,"shares":6484,"price":5.7264,"value":37129.9776,"ownership":{"direct":false,"nature":"By: Managed Account of JFL Capital Management LLC"},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"This Form 4 is filed jointly by JFL Partners Fund LP (\"JFL Partners\"), JFL Capital Management LP (\"JFL GP\"), JFL Capital Holdings LLC (\"JFL Holdings\"), JFL Captal Management LLC (\"JFL Capital Management\") and Joseph F. Lawler (collectively, the \"Reporting Persons\"). Each of the Reporting Persons may be deemed to be a member of a Section 13(d) group that collectively beneficially owns more than 10% of the Issuer's outstanding shares of Common Stock. Each of the Reporting Persons disclaims beneficial ownership of the securities of the Issuer owned directly by other members of the Section 13(d) group and this report shall not be deemed an admission that the Reporting Persons are the beneficial owners of such securities for purposes of Section 16 or for any other purpose. Further, each of the Reporting Persons expressly disclaims beneficial ownership of the securities reported herein except to the extent of his or its pecuniary interest therein."},{"field":"price","element":"transactionPricePerShare","label":"F5","text":"The reported price in Column 4 is a weighted average price. These shares of Common Stock were purchased in multiple transactions at prices ranging from $5.7113 to $5.7462, excluding commissions. The Reporting Persons undertake 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 of Common Stock purchased at each separate price within the range set forth in this footnote."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"Securities held in an account separately managed by JFL Capital Management (the \"JFL Managed Account\"). JFL Capital Management, as the investment manager of the JFL Managed Account, may be deemed to beneficially own the securities held in the JFL Managed Account. Dr. Lawler, as the managing member of JFL Capital Management, may be deemed to beneficially own the securities held in the JFL Managed Account."}],"balance_after":710008,"source":{"system":"sec-edgar","filing":"0000921895-19-001055","document":"form412042002_04092019.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1687888/000092189519001055/form412042002_04092019.xml","form_type":"4"}},{"id":3559392,"issuer":{"id":95770,"kind":"organization","name":"MERRIMACK PHARMACEUTICALS INC","symbol":"MACK"},"owners":[{"id":156265,"kind":"organization","name":"JFL Capital Management, LLC","position":1,"cik":"0001687888","reported_name":"JFL Capital Management, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Explanation of Responses"}},{"id":156266,"kind":"organization","name":"JFL Capital Management LP","position":2,"cik":"0001770400","reported_name":"JFL Capital Management LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Explanation of Responses"}},{"id":156267,"kind":"organization","name":"JFL Capital Holdings LLC","position":3,"cik":"0001770405","reported_name":"JFL Capital Holdings LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Explanation of Responses"}},{"id":156268,"kind":"organization","name":"JFL Partners Fund LP","position":4,"cik":"0001626392","reported_name":"JFL Partners Fund LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Explanation of Responses"}},{"id":81025,"kind":"person","name":"Lawler Joseph F.","position":5,"cik":"0001770401","reported_name":"Lawler Joseph F.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Explanation of Responses"}}],"security":"Common Stock","published_at":"2019-04-09T18:30:52.000Z","date":"2019-04-05","kind":"purchase","acquired":true,"shares":26288,"price":5.952,"value":156466.176,"ownership":{"direct":false,"nature":"By: Managed Account of JFL Capital Management LLC"},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"This Form 4 is filed jointly by JFL Partners Fund LP (\"JFL Partners\"), JFL Capital Management LP (\"JFL GP\"), JFL Capital Holdings LLC (\"JFL Holdings\"), JFL Captal Management LLC (\"JFL Capital Management\") and Joseph F. Lawler (collectively, the \"Reporting Persons\"). Each of the Reporting Persons may be deemed to be a member of a Section 13(d) group that collectively beneficially owns more than 10% of the Issuer's outstanding shares of Common Stock. Each of the Reporting Persons disclaims beneficial ownership of the securities of the Issuer owned directly by other members of the Section 13(d) group and this report shall not be deemed an admission that the Reporting Persons are the beneficial owners of such securities for purposes of Section 16 or for any other purpose. Further, each of the Reporting Persons expressly disclaims beneficial ownership of the securities reported herein except to the extent of his or its pecuniary interest therein."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The reported price in Column 4 is a weighted average price. These shares of Common Stock were purchased in multiple transactions at prices ranging from $5.9501 to $6, excluding commissions. The Reporting Persons undertake 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 of Common Stock purchased at each separate price within the range set forth in this footnote."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"Securities held in an account separately managed by JFL Capital Management (the \"JFL Managed Account\"). JFL Capital Management, as the investment manager of the JFL Managed Account, may be deemed to beneficially own the securities held in the JFL Managed Account. Dr. Lawler, as the managing member of JFL Capital Management, may be deemed to beneficially own the securities held in the JFL Managed Account."}],"balance_after":703524,"source":{"system":"sec-edgar","filing":"0000921895-19-001055","document":"form412042002_04092019.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1687888/000092189519001055/form412042002_04092019.xml","form_type":"4"}}]}