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LRMRNasdaq
Larimar Therapeutics, Inc.
Pharmaceutical Preparations · DE · CIK 1374690
Developing treatments for rare diseases using cell penetrating peptide technology
$360M
Market cap
$3.20
Last close
-12.6%
1D
-12.6%
5D
13.4M
Volume
Price · last 39 sessions-24.2%
May 4L $3.10 · H $4.22Jun 29
273
Total filings
Jun 29, 2026
Last filing
12/31
Fiscal year end
8-KCompany UpdateJun 29, 20268-KShareholder VoteMay 19, 202610-Q10-QMay 14, 20268-KResults of Operations · Company UpdateMay 14, 2026DEF 14ADEF 14AApr 20, 202610-K10-KMar 19, 20268-KResults of OperationsMar 19, 20268-KCompany UpdateMar 9, 2026SC 13D/ASC 13D/AMar 2, 20268-KMaterial AgreementFeb 27, 2026424B5424B5Feb 26, 2026424B5424B5Feb 25, 20268-KCompany UpdateFeb 24, 20268-KEquity Issuance · Bylaw AmendmentJan 22, 20268-KResults of Operations · Company UpdateJan 12, 20268-KEquity Issuance · Bylaw AmendmentDec 17, 20258-KCompany UpdateNov 10, 202510-Q10-QNov 5, 20258-KResults of OperationsNov 5, 20258-KCompany UpdateOct 14, 20258-KCompany UpdateSep 29, 202510-Q10-QAug 14, 20258-KResults of Operations · Company UpdateAug 14, 20258-KMaterial AgreementJul 31, 2025424B5424B5Jul 31, 20258-KResults of OperationsJul 29, 2025424B5424B5Jul 29, 20258-KCompany UpdateJun 23, 20258-KCompany UpdateJun 23, 20258-KShareholder VoteMay 13, 20258-KCompany UpdateMay 5, 202510-Q10-QApr 30, 20258-KResults of OperationsApr 30, 2025DEF 14ADEF 14AApr 11, 202510-K10-KMar 24, 20258-KResults of Operations · Company UpdateMar 24, 20258-KExecutive ChangeJan 27, 20258-KCompany UpdateJan 10, 20258-KCompany UpdateDec 16, 20248-KCompany UpdateNov 18, 2024SC 13GSC 13GNov 6, 202410-Q10-QOct 30, 20248-KResults of Operations · Company UpdateOct 30, 202410-Q10-QAug 8, 20248-KResults of Operations · Company UpdateAug 7, 20248-KCompany UpdateJun 10, 20248-KShareholder VoteMay 31, 20248-KCompany UpdateMay 30, 20248-KCompany UpdateMay 20, 202410-Q10-QMay 9, 20248-KResults of Operations · Company UpdateMay 9, 2024DEF 14ADEF 14AApr 29, 202410-K10-KMar 14, 20248-KResults of OperationsMar 14, 20248-KCompany UpdateMar 11, 2024SC 13GSC 13GFeb 26, 20248-KMaterial AgreementFeb 16, 2024SC 13GSC 13GFeb 14, 2024424B5424B5Feb 14, 2024SC 13GSC 13GFeb 14, 20248-KAgreement TerminatedFeb 14, 2024424B5424B5Feb 13, 20248-KResults of Operations · Company UpdateFeb 12, 202410-Q10-QNov 14, 20238-KResults of Operations · Company UpdateNov 14, 20238-KExecutive ChangeOct 3, 20238-KCompany UpdateAug 14, 202310-Q10-QAug 10, 20238-KResults of OperationsAug 10, 20238-KCompany UpdateJul 25, 20238-KCompany UpdateJul 17, 20238-KCompany UpdateJun 1, 202310-Q10-QMay 15, 20238-KResults of Operations · Company UpdateMay 15, 20238-KShareholder VoteMay 12, 2023DEF 14ADEF 14AApr 11, 20238-KExecutive ChangeApr 6, 202310-K10-KMar 14, 20238-KResults of Operations · Company UpdateMar 14, 2023SC 13GSC 13GFeb 14, 2023
Insider Activity
◆ Cluster Buy · 4 insidersIn the 90 days to Feb 27, 2026: 4 insiders bought $25.6M.
| Date | Insider | Action | Shares | Price | Value |
|---|---|---|---|---|---|
| Feb 27, 2026 | Deerfield Mgmt Hif, L.P.Director,TenPercentOwner,Other | Buy | 2,000,000 | $5.00 | $10.0M |
| Feb 27, 2026 | Deerfield Mgmt Hif, L.P.Director,TenPercentOwner,Other | Buy | 1,084,012 | $5.00 | $5.4M |
| Feb 27, 2026 | Deerfield Mgmt Hif, L.P.Director,TenPercentOwner,Other | Buy | 1,084,010 | $5.00 | $5.4M |
| Feb 27, 2026 | Deerfield Mgmt Hif, L.P.Director,TenPercentOwner,Other | Buy | 831,978 | $5.00 | $4.2M |
| Feb 27, 2026 | Hamilton Thomas EdwardDirector | Buy | 100,000 | $5.00 | $500K |
| Feb 27, 2026 | Thomas Frank EDirector | Buy | 5,000 | $5.00 | $25K |
| Feb 27, 2026 | Sherman Jeffrey WDirector | Buy | 5,000 | $5.00 | $25K |
Open-market buys & sells (Form 4, transaction codes P/S). Source: SEC structured insider data.
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