Larimar Therapeutics (LRMR)Director bought ~$10M

~$10M

Approx. value · 2M sh @ $5.00

6.21M

Holds after · shares reported

Traded

Feb 27, 2026

Filed

Mar 3, 2026

The story around this disclosure

Every dated public record OQRO holds about the company from 60 days before to 120 days after, oldest first. It shows what was going on; none of it is a stated reason for the trade.

1. Jan 12, 2026Company filing · Form 8-K · Results, Other newsReported its results, and reported other company news
2. Jan 21, 2026Company filing · Form 8-K · Unregistered shares, Bylaws or charterSold new shares without registering them, and changed its bylaws, charter or fiscal year
3. Feb 25, 2026Company filing · Form 8-K · Material agreementSigned an important agreement
4. Feb 27, 2026 · this disclosureInsider · 4 insiders in a week, 2nd time since 2014Director purchased ~$10M of LRMR shares in the open market

What came next

1. Feb 27, 2026Insider · 4 peopleInsiders: 6 purchases (~$15.6M)
2. Mar 19, 2026Company filing · Form 8-K · ResultsReported its results
3. May 14, 2026Company filing · Form 8-K · Results, Other newsReported its results, and reported other company news

How to read SEC Form 4

Form 4 is the filing that officers, directors and owners of more than 10% of a US-listed company must send to the SEC within two business days after they buy, sell or otherwise change their holding of the company's stock.

Full guide: What is an SEC Form 4?

What else is on file for Larimar Therapeutics

OQRO holds no insider, Congress, fund or contract record for Larimar Therapeutics dated in the last 90 days.

These are records OQRO holds, counted by their date, not a measure of how much trading took place. Routine paperwork such as option exercises and tax withholding is left out. Everything for the company is on its LRMR page.

Other recent filings by James E Flynn, Director

• SEC Form 4 at Larimar Therapeutics (LRMR)Mar 3, 2026
• SEC Form 4 at Larimar Therapeutics (LRMR)Mar 3, 2026
• SEC Form 4 at Larimar Therapeutics (LRMR)Mar 3, 2026
• SEC Form 4 at Larimar Therapeutics (LRMR)Aug 4, 2025
• SEC Form 4 at Larimar Therapeutics (LRMR)Aug 4, 2025

The full history of James E Flynn, Director is on the profile page.

How this filing works

• SEC Form 4
• Open-market purchase
• Rule 10b5-1 trading plans

Other disclosures at Larimar Therapeutics

• SEC Form 4Jul 8, 2026
• SEC Form 13F-HRMay 15, 2026
• SEC Form 4Mar 3, 2026
• SEC Form 4Mar 3, 2026
• SEC Form 4Mar 3, 2026
• SEC Form 4Mar 2, 2026

Everything OQRO holds on this company is on its LRMR page.