Larimar Therapeutics, Inc (LRMR) insider trading
Every open-market stock purchase and sale by Larimar Therapeutics, Inc executives, directors, large shareholders and members of Congress, from SEC Form 4 filings. Sector: Other.
Insider activity at a glance
- Insiders bought $25.6M over the last 12 months (4 buys).
- Last insider buy: James E Flynn (10% owner), $10M, 7 months ago.
Last 12 months: insiders bought $25.6M (4 buys) and sold $0 (0 sales). Last close $3.17 on Jun 4, 2026.
Recent LRMR insider trades
| Date | Insider | Trade | Value |
|---|---|---|---|
| May 19, 2026 | Frank E Thomas (Insider) | Bought (not open market) | — |
| May 19, 2026 | Jeffrey W Sherman (Insider) | Bought (not open market) | — |
| May 19, 2026 | Joseph Truitt (Insider) | Bought (not open market) | — |
| May 19, 2026 | James E Flynn (10% owner) | Bought (not open market) | — |
| May 19, 2026 | Thomas Edward Hamilton (Insider) | Bought (not open market) | — |
| May 19, 2026 | Jonathan S Leff (Insider) | Bought (not open market) | — |
| Feb 27, 2026 | James E Flynn (10% owner) | Bought | $10M |
| Feb 27, 2026 | James E Flynn (10% owner) | Bought | $5.4M |
| Feb 27, 2026 | James E Flynn (10% owner) | Bought | $5.4M |
| Feb 27, 2026 | James E Flynn (10% owner) | Bought | $4.2M |
| Feb 27, 2026 | Thomas Edward Hamilton (Insider) | Bought | $500K |
| Feb 27, 2026 | Frank E Thomas (Insider) | Bought | $25K |
| Feb 27, 2026 | Jeffrey W Sherman (Insider) | Bought | $25K |
| Jan 26, 2026 | Michael Celano (CFO) | Bought (not open market) | — |
| Jan 26, 2026 | Michael Celano (CFO) | Bought (not open market) | — |
| Jan 26, 2026 | Carole Ben-Maimon (CEO) | Bought (not open market) | — |
| Jan 26, 2026 | Carole Ben-Maimon (CEO) | Bought (not open market) | — |
| Jan 26, 2026 | Gopi Shankar (C-suite exec) | Bought (not open market) | — |
| Jan 26, 2026 | Russell Clayton (C-suite exec) | Bought (not open market) | — |
| Jan 26, 2026 | Russell Clayton (C-suite exec) | Bought (not open market) | — |
| Jan 26, 2026 | Gopi Shankar (C-suite exec) | Bought (not open market) | — |
Who's trading LRMR
- Joseph Truitt, Director: other filings, last May 19, 2026
- Thomas Edward Hamilton, Director: bought $500K (1 buy), last May 19, 2026
- Jonathan S Leff, Director: other filings, last May 19, 2026
- Jeffrey W Sherman, Director: bought $25K (1 buy), last May 19, 2026
- Frank E Thomas, Director: bought $25K (1 buy), last May 19, 2026
- James E Flynn, 10% owner: bought $25M (4 buys), last May 19, 2026
- Michael Celano, CFO: other filings, last Jan 26, 2026
- Russell Clayton, C-suite exec: other filings, last Jan 26, 2026
- Gopi Shankar, C-suite exec: other filings, last Jan 26, 2026
- Carole Ben-Maimon, CEO: other filings, last Jan 26, 2026
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