{"transactions":[{"id":769738,"issuer":{"id":5634,"kind":"organization","name":"Larimar Therapeutics, Inc."},"owners":[{"id":45622,"kind":"person","name":"LEFF JONATHAN S","position":1,"cik":"0001215242","reported_name":"LEFF JONATHAN S","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock Option (Right to Buy)","published_at":"2026-05-20T22:03:57.000Z","date":"2026-05-19","kind":"grant","planned":false,"acquired":true,"shares":55150,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The Reporting Person, a partner in Deerfield Management Company, L.P., has no pecuniary interest in the securities reported herein and disclaims beneficial ownership of such securities. The Reporting Person holds the options for the benefit, and at the direction, of Deerfield Management Company, L.P."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"The options vest on the earlier of (a) May 19, 2027 or (b) the date of the Company's next annual meeting of stockholders, in each case subject to the Reporting Person's continued service on the Board of Directors of the Company."},{"field":"derivative.underlying_shares","element":"underlyingSecurityShares","label":"F1","text":"The Reporting Person, a partner in Deerfield Management Company, L.P., has no pecuniary interest in the securities reported herein and disclaims beneficial ownership of such securities. The Reporting Person holds the options for the benefit, and at the direction, of Deerfield Management Company, L.P."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"The Reporting Person, a partner in Deerfield Management Company, L.P., has no pecuniary interest in the securities reported herein and disclaims beneficial ownership of such securities. The Reporting Person holds the options for the benefit, and at the direction, of Deerfield Management Company, L.P."}],"balance_after":55150,"derivative":{"exercise_price":3.33,"expiration_date":"2036-05-19","underlying":"Common Stock","underlying_shares":55150},"source":{"system":"sec-edgar","filing":"0001193125-26-232933","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1215242/000119312526232933/ownership.xml","form_type":"4"}},{"id":1148956,"issuer":{"id":5634,"kind":"organization","name":"Larimar Therapeutics, Inc."},"owners":[{"id":45622,"kind":"person","name":"LEFF JONATHAN S","position":1,"cik":"0001215242","reported_name":"LEFF JONATHAN S","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock Option (Right to Buy)","published_at":"2025-05-14T20:32:22.000Z","date":"2025-05-13","kind":"grant","planned":false,"acquired":true,"shares":19000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The Reporting Person, a partner in Deerfield Management Company, L.P., has no pecuniary interest in the securities reported herein and disclaims beneficial ownership of such securities. The Reporting Person holds the options for the benefit, and at the direction, of Deerfield Management Company, L.P."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"The options vest on the earlier of (a) May 13, 2026 or (b) the date of the Company's next annual meeting of stockholders, in each case subject to the Reporting Person's continued service on the Board of Directors of the Company."},{"field":"derivative.underlying_shares","element":"underlyingSecurityShares","label":"F1","text":"The Reporting Person, a partner in Deerfield Management Company, L.P., has no pecuniary interest in the securities reported herein and disclaims beneficial ownership of such securities. The Reporting Person holds the options for the benefit, and at the direction, of Deerfield Management Company, L.P."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"The Reporting Person, a partner in Deerfield Management Company, L.P., has no pecuniary interest in the securities reported herein and disclaims beneficial ownership of such securities. The Reporting Person holds the options for the benefit, and at the direction, of Deerfield Management Company, L.P."}],"balance_after":19000,"derivative":{"exercise_price":1.875,"expiration_date":"2035-05-13","underlying":"Common Stock","underlying_shares":19000},"source":{"system":"sec-edgar","filing":"0001062993-25-009376","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1215242/000106299325009376/form4.xml","form_type":"4"}},{"id":1168264,"issuer":{"id":8384,"kind":"organization","name":"Tessera Defense & Homeland Security Inc."},"owners":[{"id":45622,"kind":"person","name":"LEFF JONATHAN S","position":1,"cik":"0001215242","reported_name":"LEFF JONATHAN S","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock Options - right to Buy","published_at":"2025-04-21T12:00:35.000Z","date":"2025-04-14","kind":"grant","planned":false,"acquired":true,"shares":17600,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"The Reporting Person, a partner in Deerfield Management Company, L.P., has no pecuniary interest in the securities reported herein and disclaims beneficial ownership of such securities. The Reporting Person holds the options for the benefit, and at the direction, of Deerfield Management Company, L.P."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"The options vest and become exercisable over four years, with 25% of the shares of common stock subject to the option vesting on April 14, 2026, and the reminder vesting in 12 equal quarterly installments over three years."},{"field":"derivative.underlying_shares","element":"underlyingSecurityShares","label":"F2","text":"The Reporting Person, a partner in Deerfield Management Company, L.P., has no pecuniary interest in the securities reported herein and disclaims beneficial ownership of such securities. The Reporting Person holds the options for the benefit, and at the direction, of Deerfield Management Company, L.P."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"The Reporting Person, a partner in Deerfield Management Company, L.P., has no pecuniary interest in the securities reported herein and disclaims beneficial ownership of such securities. The Reporting Person holds the options for the benefit, and at the direction, of Deerfield Management Company, L.P."}],"balance_after":17600,"derivative":{"exercise_price":0.538,"expiration_date":"2035-04-14","underlying":"Common Stock","underlying_shares":17600},"source":{"system":"sec-edgar","filing":"0001213900-25-033476","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1215242/000121390025033476/ownership.xml","form_type":"4/A","original_submission_date":"2025-04-18"}},{"id":1169040,"issuer":{"id":8384,"kind":"organization","name":"Tessera Defense & Homeland Security Inc."},"owners":[{"id":45622,"kind":"person","name":"LEFF JONATHAN S","position":1,"cik":"0001215242","reported_name":"LEFF JONATHAN S","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock Options - right to Buy","published_at":"2025-04-18T20:01:12.000Z","date":"2025-04-14","kind":"grant","planned":false,"acquired":false,"shares":17600,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"The Reporting Person, a partner in Deerfield Management Company, L.P., has no pecuniary interest in the securities reported herein and disclaims beneficial ownership of such securities. The Reporting Person holds the options for the benefit, and at the direction, of Deerfield Management Company, L.P."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"The options vest and become exercisable over four years, with 25% of the shares of common stock subject to the option vesting on April 14, 2026, and the reminder vesting in 12 equal quarterly installments over three years."},{"field":"derivative.underlying_shares","element":"underlyingSecurityShares","label":"F2","text":"The Reporting Person, a partner in Deerfield Management Company, L.P., has no pecuniary interest in the securities reported herein and disclaims beneficial ownership of such securities. The Reporting Person holds the options for the benefit, and at the direction, of Deerfield Management Company, L.P."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"The Reporting Person, a partner in Deerfield Management Company, L.P., has no pecuniary interest in the securities reported herein and disclaims beneficial ownership of such securities. The Reporting Person holds the options for the benefit, and at the direction, of Deerfield Management Company, L.P."}],"balance_after":17600,"derivative":{"exercise_price":0.538,"expiration_date":"2035-04-14","underlying":"Common Stock","underlying_shares":17600},"source":{"system":"sec-edgar","filing":"0001213900-25-033357","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1215242/000121390025033357/ownership.xml","form_type":"4"}},{"id":1454470,"issuer":{"id":8384,"kind":"organization","name":"Tessera Defense & Homeland Security Inc."},"owners":[{"id":45622,"kind":"person","name":"LEFF JONATHAN S","position":1,"cik":"0001215242","reported_name":"LEFF JONATHAN S","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock Options - Right to Buy","published_at":"2024-07-15T22:44:15.000Z","date":"2024-07-11","kind":"grant","planned":false,"acquired":true,"shares":264000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"The Reporting Person, a partner in Deerfield Management Company, L.P., has no pecuniary interest in the securities reported herein and disclaims beneficial ownership of such securities. The Reporting Person holds the options for the benefit, and at the direction, of Deerfield Management Company, L.P."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"The options vest and become exercisable over four years, with 25% of the shares subject to the option vesting on July 11, 2025, and the remainder vesting in 12 equal quarterly installments over three years."},{"field":"derivative.underlying_shares","element":"underlyingSecurityShares","label":"F2","text":"The Reporting Person, a partner in Deerfield Management Company, L.P., has no pecuniary interest in the securities reported herein and disclaims beneficial ownership of such securities. The Reporting Person holds the options for the benefit, and at the direction, of Deerfield Management Company, L.P."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"The Reporting Person, a partner in Deerfield Management Company, L.P., has no pecuniary interest in the securities reported herein and disclaims beneficial ownership of such securities. The Reporting Person holds the options for the benefit, and at the direction, of Deerfield Management Company, L.P."}],"balance_after":264000,"derivative":{"exercise_price":0.363,"expiration_date":"2034-07-11","underlying":"Common Stock","underlying_shares":264000},"source":{"system":"sec-edgar","filing":"0001213900-24-061457","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1215242/000121390024061457/ownership.xml","form_type":"4"}},{"id":1496420,"issuer":{"id":5634,"kind":"organization","name":"Larimar Therapeutics, Inc."},"owners":[{"id":45622,"kind":"person","name":"LEFF JONATHAN S","position":1,"cik":"0001215242","reported_name":"LEFF JONATHAN S","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock Option (Right to Buy)","published_at":"2024-05-31T20:57:54.000Z","date":"2024-05-29","kind":"grant","planned":false,"acquired":true,"shares":19000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The Reporting Person, a partner in Deerfield Management Company, L.P., has no pecuniary interest in the securities reported herein and disclaims beneficial ownership of such securities. 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The Reporting Person holds the options for the benefit, and at the direction, of Deerfield Management Company, L.P."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"The Reporting Person, a partner in Deerfield Management Company, L.P., has no pecuniary interest in the securities reported herein and disclaims beneficial ownership of such securities. 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The Reporting Person holds the options for the benefit, and at the direction, of Deerfield Management Company, L.P."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"The options vest on the earlier of (a) May 9, 2024 or (b) the date of the Company's next annual meeting of stockholders, in each case subject to the Reporting Person's continued service on the Board of Directors of the Company."},{"field":"derivative.underlying_shares","element":"underlyingSecurityShares","label":"F1","text":"The Reporting Person, a partner in Deerfield Management Company, L.P., has no pecuniary interest in the securities reported herein and disclaims beneficial ownership of such securities. The Reporting Person holds the options for the benefit, and at the direction, of Deerfield Management Company, L.P."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"The Reporting Person, a partner in Deerfield Management Company, L.P., has no pecuniary interest in the securities reported herein and disclaims beneficial ownership of such securities. The Reporting Person holds the options for the benefit, and at the direction, of Deerfield Management Company, L.P."}],"balance_after":8300,"derivative":{"exercise_price":5.09,"expiration_date":"2033-05-09","underlying":"Common Stock","underlying_shares":8300},"source":{"system":"sec-edgar","filing":"0001062993-23-010806","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1215242/000106299323010806/form4.xml","form_type":"4"}},{"id":2273253,"issuer":{"id":5634,"kind":"organization","name":"Larimar Therapeutics, Inc."},"owners":[{"id":45622,"kind":"person","name":"LEFF JONATHAN S","position":1,"cik":"0001215242","reported_name":"LEFF JONATHAN S","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock Option (Right to Buy)","published_at":"2022-05-13T00:27:18.000Z","date":"2022-05-10","kind":"grant","acquired":true,"shares":8300,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The Reporting Person, a partner in Deerfield Management Company, L.P., has no pecuniary interest in the securities reported herein and disclaims beneficial ownership of such securities. The Reporting Person holds the options for the benefit, and at the direction, of Deerfield Management Company, L.P."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"The options vest on the earlier of (a) May 10, 2023 or (b) the date of the Company's next annual meeting of stockholders, in each case subject to the Reporting Person's continued service on the Board of Directors of the Company."},{"field":"derivative.underlying_shares","element":"underlyingSecurityShares","label":"F1","text":"The Reporting Person, a partner in Deerfield Management Company, L.P., has no pecuniary interest in the securities reported herein and disclaims beneficial ownership of such securities. The Reporting Person holds the options for the benefit, and at the direction, of Deerfield Management Company, L.P."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"The Reporting Person, a partner in Deerfield Management Company, L.P., has no pecuniary interest in the securities reported herein and disclaims beneficial ownership of such securities. The Reporting Person holds the options for the benefit, and at the direction, of Deerfield Management Company, L.P."}],"balance_after":8300,"derivative":{"exercise_price":2.92,"expiration_date":"2032-05-10","underlying":"Common Stock","underlying_shares":8300},"source":{"system":"sec-edgar","filing":"0001062993-22-012304","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1215242/000106299322012304/form4.xml","form_type":"4"}},{"id":2710066,"issuer":{"id":5634,"kind":"organization","name":"Larimar Therapeutics, Inc."},"owners":[{"id":45622,"kind":"person","name":"LEFF JONATHAN S","position":1,"cik":"0001215242","reported_name":"LEFF JONATHAN S","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock Option (right to buy)","published_at":"2021-05-17T21:09:51.000Z","date":"2021-05-12","kind":"grant","acquired":true,"shares":8300,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The Reporting Person, a partner in Deerfield Management Company, L.P., has no pecuniary interest in the securities reported herein and disclaims beneficial ownership of such securities. The Reporting Person holds the option for the benefit, and at the direction, of Deerfield Management Company, L.P."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"The Option vests on the earlier of (a) May 12, 2022 or (b) the date of the Company's next annual meeting of stockholders, in each case subject to the Reporting Person's continued service on the Board of Directors of the Company."},{"field":"derivative.underlying_shares","element":"underlyingSecurityShares","label":"F1","text":"The Reporting Person, a partner in Deerfield Management Company, L.P., has no pecuniary interest in the securities reported herein and disclaims beneficial ownership of such securities. The Reporting Person holds the option for the benefit, and at the direction, of Deerfield Management Company, L.P."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"The Reporting Person, a partner in Deerfield Management Company, L.P., has no pecuniary interest in the securities reported herein and disclaims beneficial ownership of such securities. The Reporting Person holds the option for the benefit, and at the direction, of Deerfield Management Company, L.P."}],"balance_after":8300,"derivative":{"exercise_price":10.34,"expiration_date":"2031-05-12","underlying":"Common Stock","underlying_shares":8300},"source":{"system":"sec-edgar","filing":"0001192482-21-000442","document":"edgar.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1215242/000119248221000442/edgar.xml","form_type":"4"}},{"id":3019711,"issuer":{"id":5634,"kind":"organization","name":"Larimar Therapeutics, Inc."},"owners":[{"id":45622,"kind":"person","name":"LEFF JONATHAN S","position":1,"cik":"0001215242","reported_name":"LEFF JONATHAN S","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock Option (right to buy)","published_at":"2020-09-30T17:58:13.000Z","date":"2020-09-29","kind":"grant","acquired":true,"shares":16600,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The Reporting Person, a partner in Deerfield Management Company, L.P., has no pecuniary interest in the securities reported herein and disclaims beneficial ownership of such securities. The Reporting Person holds the option for the benefit, and at the direction, of Deerfield Management Company, L.P."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"The Option was granted on July 16, 2020 subject to stockholder approval, which was obtained at the Company's special meeting of stockholders on September 29, 2020. The vesting commencement date for the option is July 16, 2020, and the option vests in equal monthly installments over 36 months, subject to the Reporting Person's continued service with the Issuer through each applicable vesting date."},{"field":"derivative.underlying_shares","element":"underlyingSecurityShares","label":"F1","text":"The Reporting Person, a partner in Deerfield Management Company, L.P., has no pecuniary interest in the securities reported herein and disclaims beneficial ownership of such securities. The Reporting Person holds the option for the benefit, and at the direction, of Deerfield Management Company, L.P."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"The Reporting Person, a partner in Deerfield Management Company, L.P., has no pecuniary interest in the securities reported herein and disclaims beneficial ownership of such securities. The Reporting Person holds the option for the benefit, and at the direction, of Deerfield Management Company, L.P."}],"balance_after":16600,"derivative":{"exercise_price":11.9,"expiration_date":"2030-07-16","underlying":"Common Stock","underlying_shares":16600},"source":{"system":"sec-edgar","filing":"0001192482-20-000740","document":"edgar.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1215242/000119248220000740/edgar.xml","form_type":"4"}},{"id":3896535,"issuer":{"id":6203,"kind":"organization","name":"Protara Therapeutics, Inc."},"owners":[{"id":45622,"kind":"person","name":"LEFF JONATHAN S","position":1,"cik":"0001215242","reported_name":"LEFF JONATHAN S","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock Option (Right to Buy)","published_at":"2018-06-12T18:45:12.000Z","date":"2018-06-08","kind":"grant","acquired":true,"shares":12700,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The Reporting Person, a partner in Deerfield Management Company, L.P., has no pecuniary interest in the securities reported herein and disclaims beneficial ownership of such securities.  The Reporting Person holds the option for the benefit, and at the direction, of Deerfield Management Company, L.P."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"The option shall vest and become exercisable with respect to 100% of the shares on the earlier of (i) June 8, 2019 and (ii) the next annual meeting of stockholders of the Issuer."},{"field":"derivative.underlying_shares","element":"underlyingSecurityShares","label":"F1","text":"The Reporting Person, a partner in Deerfield Management Company, L.P., has no pecuniary interest in the securities reported herein and disclaims beneficial ownership of such securities.  The Reporting Person holds the option for the benefit, and at the direction, of Deerfield Management Company, L.P."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"The Reporting Person, a partner in Deerfield Management Company, L.P., has no pecuniary interest in the securities reported herein and disclaims beneficial ownership of such securities.  The Reporting Person holds the option for the benefit, and at the direction, of Deerfield Management Company, L.P."}],"balance_after":12700,"derivative":{"exercise_price":2.5,"expiration_date":"2028-06-07","underlying":"Common Stock","underlying_shares":12700},"source":{"system":"sec-edgar","filing":"0001193805-18-000828","document":"e618093_4-proteon.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1215242/000119380518000828/e618093_4-proteon.xml","form_type":"4"}},{"id":4242167,"issuer":{"id":6203,"kind":"organization","name":"Protara Therapeutics, Inc."},"owners":[{"id":45622,"kind":"person","name":"LEFF JONATHAN S","position":1,"cik":"0001215242","reported_name":"LEFF JONATHAN S","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock Option (Right to Buy)","published_at":"2017-08-04T22:23:53.000Z","date":"2017-08-02","kind":"grant","acquired":true,"shares":13333,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The Reporting Person, a partner in Deerfield Management Company, L.P., has no pecuniary interest in the securities reported herein and disclaims beneficial ownership of such securities.  The Reporting Person holds the option for the benefit, and at the direction, of Deerfield Management Company, L.P."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"The option shall vest and become exercisable with respect to one-third of the shares on each of August 2, 2018, August 2, 2019 and August 2, 2020."},{"field":"derivative.underlying_shares","element":"underlyingSecurityShares","label":"F1","text":"The Reporting Person, a partner in Deerfield Management Company, L.P., has no pecuniary interest in the securities reported herein and disclaims beneficial ownership of such securities.  The Reporting Person holds the option for the benefit, and at the direction, of Deerfield Management Company, L.P."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"The Reporting Person, a partner in Deerfield Management Company, L.P., has no pecuniary interest in the securities reported herein and disclaims beneficial ownership of such securities.  The Reporting Person holds the option for the benefit, and at the direction, of Deerfield Management Company, L.P."}],"balance_after":13333,"derivative":{"exercise_price":1.3,"expiration_date":"2027-08-01","underlying":"Common Stock","underlying_shares":13333},"source":{"system":"sec-edgar","filing":"0001193805-17-001422","document":"e616444_4-proteon.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1215242/000119380517001422/e616444_4-proteon.xml","form_type":"4"}}]}