Larimar Therapeutics (LRMR) stock: insider trades, news & valuation
Strong buyingShare price and insider trades
Larimar Therapeutics insider trading at a glance (Oct 9, 2026): in the past 12 months, 4 insiders bought $25.7M and 0 sold $0 of LRMR stock on the open market, including a cluster buy that began Feb 27, 2026.
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LRMR insider buying and selling by quarter
Open-market purchases (green, above the line) and sales (red, below), by trade date.
| Quarter | Bought | Purchases | Sold | Sales |
|---|---|---|---|---|
| Q4 2026 | — | 0 | — | 0 |
| Q3 2026 | $167K | 1 | — | 0 |
| Q2 2026 | — | 0 | — | 0 |
| Q1 2026 | $25.6M | 7 | — | 0 |
Valuation, profit and volume
Summary
Over the past 12 months, 4 Larimar Therapeutics, Inc. insiders reported open-market purchases totaling $25.7M, while 0 insiders reported sales totaling $0. The most recent cluster buy began on Feb 27, 2026, when 4 insiders bought a combined $25.6M. Among insiders with enough purchase history to measure, Thomas Edward Hamilton (Director) has the highest Insider Score at 8.
Insider transactions
Open-market purchases and sales.
| Filed | Insider | Type | Shares | Price | Value | Since | Score |
|---|---|---|---|---|---|---|---|
| Jul 8SEC | Thomas Edward HamiltonDirector | Buy | 50,000714,798 held (+8%) | $3.34 | $167K | -20.1% | 8 |
| Mar 2SEC | Mgmt Hif, L.p. Deerfield* Director By Deputization | Buy | 2,000,0006,207,982 held (+48%) | $5.00 | $10.0M | -46.6% | — |
| Mar 2SEC | Mgmt Hif, L.p. Deerfield* Director By Deputization | Buy | 1,084,01210,622,957 held (+11%) | $5.00 | $5.4M | -46.6% | — |
| Mar 2SEC | Mgmt Hif, L.p. Deerfield* Director By Deputization | Buy | 1,084,01010,622,928 held (+11%) | $5.00 | $5.4M | -46.6% | — |
| Mar 2SEC | Mgmt Hif, L.p. Deerfield* Director By Deputization | Buy | 831,9788,153,107 held (+11%) | $5.00 | $4.2M | -46.6% | — |
| Mar 2SEC | Thomas Edward HamiltonDirector | Buy | 100,000664,798 held (+18%) | $5.00 | $500K | -46.6% | 8 |
| Mar 2SEC | Frank E ThomasDirector | Buy | 5,0007,000 held (+250%) | $5.00 | $25K | -46.6% | — |
| Mar 2SEC | Jeffrey W ShermanDirector | Buy | 5,000new position | $5.00 | $25K | -46.6% | — |
Insiders at Larimar Therapeutics, Inc.
| Insider | Bought | Sold | Last filing | Score |
|---|---|---|---|---|
| Mgmt Hif, L.p. Deerfield* Director By Deputization | $25.0M | — | Mar 2, 2026 | — |
| Thomas Edward HamiltonDirector | $667K | — | Jul 8, 2026 | 8 |
| Frank E ThomasDirector | $25K | — | Mar 2, 2026 | — |
| Jeffrey W ShermanDirector | $25K | — | Mar 2, 2026 | — |
LRMR stock: common questions
Are Larimar Therapeutics, Inc. insiders buying LRMR stock?
In the past 12 months, 4 insiders reported open-market purchases of LRMR worth $25.7M. The latest was Director Thomas Edward Hamilton bought $167K of LRMR at $3.34.
Are Larimar Therapeutics, Inc. insiders selling LRMR stock?
0 insiders reported sales worth $0 over the same period.
Where does this data come from?
Every transaction comes from Form 4 filings that insiders must submit to the SEC within two business days of a trade. We pull them from SEC EDGAR every night.
What is LRMR's 52-week range?
Over the past year LRMR has traded between $2.67 and $5.95. It last closed at $2.67 on Oct 9, 2026.