{"transactions":[{"id":929843,"issuer":{"id":5634,"kind":"organization","name":"Larimar Therapeutics, Inc."},"owners":[{"id":68691,"kind":"person","name":"Clayton Russell","position":1,"cik":"0001530072","reported_name":"Clayton Russell","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Medical Officer"}}],"security":"Stock Option (Right to Buy)","published_at":"2026-01-27T22:04:28.000Z","date":"2026-01-26","kind":"grant","planned":false,"acquired":true,"shares":153822,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"The option vests 25% on January 26, 2027, with the remaining 75% vesting in equal monthly installments on the last day of each of the 36 calendar months immediately following such date, subject to the Reporting Person's continued service with the Issuer through the applicable vesting date."}],"balance_after":153822,"derivative":{"exercise_price":3.6,"expiration_date":"2036-01-26","underlying":"Common Stock","underlying_shares":153822},"source":{"system":"sec-edgar","filing":"0001193125-26-024832","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1374690/000119312526024832/ownership.xml","form_type":"4"}},{"id":929842,"issuer":{"id":5634,"kind":"organization","name":"Larimar Therapeutics, Inc."},"owners":[{"id":68691,"kind":"person","name":"Clayton Russell","position":1,"cik":"0001530072","reported_name":"Clayton Russell","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Medical Officer"}}],"security":"Common Stock","published_at":"2026-01-27T22:04:28.000Z","date":"2026-01-26","kind":"grant","planned":false,"acquired":true,"shares":25637,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Each share is represented by a restricted stock unit (\"RSU\"). Each RSU represents a contingent right to receive one share of the Issuer's Common Stock upon settlement."}],"balance_after":71443,"source":{"system":"sec-edgar","filing":"0001193125-26-024832","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1374690/000119312526024832/ownership.xml","form_type":"4"}},{"id":1295385,"issuer":{"id":5634,"kind":"organization","name":"Larimar Therapeutics, Inc."},"owners":[{"id":68691,"kind":"person","name":"Clayton Russell","position":1,"cik":"0001530072","reported_name":"Clayton Russell","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Medical Officer"}}],"security":"Stock Option (Right to Buy)","published_at":"2025-01-24T21:16:21.000Z","date":"2025-01-22","kind":"grant","planned":false,"acquired":true,"shares":139838,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"The option vests 25% on January 22, 2026, with the remaining 75% vesting in equal monthly installments on the last day of each of the 36 calendar months immediately following such date, subject to the Reporting Person's continued service with the Issuer through the applicable vesting date."}],"balance_after":139838,"derivative":{"exercise_price":3.46,"expiration_date":"2035-01-22","underlying":"Common Stock","underlying_shares":139838},"source":{"system":"sec-edgar","filing":"0001062993-25-001079","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1374690/000106299325001079/form4.xml","form_type":"4"}},{"id":1295384,"issuer":{"id":5634,"kind":"organization","name":"Larimar Therapeutics, Inc."},"owners":[{"id":68691,"kind":"person","name":"Clayton Russell","position":1,"cik":"0001530072","reported_name":"Clayton Russell","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Medical Officer"}}],"security":"Common Stock","published_at":"2025-01-24T21:16:21.000Z","date":"2025-01-22","kind":"grant","planned":false,"acquired":true,"shares":23306,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Each share is represented by a restricted stock unit (\"RSU\"). Each RSU represents a contingent right to receive one share of the Issuer's Common Stock upon settlement."}],"balance_after":45806,"source":{"system":"sec-edgar","filing":"0001062993-25-001079","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1374690/000106299325001079/form4.xml","form_type":"4"}},{"id":1675012,"issuer":{"id":5634,"kind":"organization","name":"Larimar Therapeutics, Inc."},"owners":[{"id":68691,"kind":"person","name":"Clayton Russell","position":1,"cik":"0001530072","reported_name":"Clayton Russell","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Medical Officer"}}],"security":"Stock Option (Right to Buy)","published_at":"2024-01-19T21:31:40.000Z","date":"2024-01-17","kind":"grant","planned":false,"acquired":true,"shares":135000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"The option vests 25% on January 17, 2025, with the remaining 75% vesting in equal monthly installments on the last day of each of the 36 calendar months immediately following such date, subject to the Reporting Person's continued service with the Issuer through the applicable vesting date."}],"balance_after":135000,"derivative":{"exercise_price":4.21,"expiration_date":"2034-01-17","underlying":"Common Stock","underlying_shares":135000},"source":{"system":"sec-edgar","filing":"0001062993-24-001084","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1374690/000106299324001084/form4.xml","form_type":"4"}},{"id":1675011,"issuer":{"id":5634,"kind":"organization","name":"Larimar Therapeutics, Inc."},"owners":[{"id":68691,"kind":"person","name":"Clayton Russell","position":1,"cik":"0001530072","reported_name":"Clayton Russell","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Medical Officer"}}],"security":"Common Stock","published_at":"2024-01-19T21:31:40.000Z","date":"2024-01-17","kind":"grant","planned":false,"acquired":true,"shares":22500,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Each share is represented by a restricted stock unit (\"RSU\"). Each RSU represents a contingent right to receive one share of the Issuer's Common Stock upon settlement."}],"balance_after":22500,"source":{"system":"sec-edgar","filing":"0001062993-24-001084","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1374690/000106299324001084/form4.xml","form_type":"4"}},{"id":1827671,"issuer":{"id":5634,"kind":"organization","name":"Larimar Therapeutics, Inc."},"owners":[{"id":68691,"kind":"person","name":"Clayton Russell","position":1,"cik":"0001530072","reported_name":"Clayton Russell","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Medical Officer"}}],"security":"Stock Option (Right to Buy)","published_at":"2023-07-18T20:15:06.000Z","date":"2023-07-17","kind":"grant","planned":false,"acquired":true,"shares":180000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"The option vests 25% on July 17, 2024, with the remaining 75% vesting in equal monthly installments on the last day of each of the 36 calendar months immediately following such date, subject to the Reporting Person's continued service with the Issuer through the applicable vesting date."}],"balance_after":180000,"derivative":{"exercise_price":3.22,"expiration_date":"2033-07-17","underlying":"Common Stock","underlying_shares":180000},"source":{"system":"sec-edgar","filing":"0001062993-23-014993","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1374690/000106299323014993/form4.xml","form_type":"4"}}]}