Insider trade

Larimar Therapeutics (LRMR): President and COO received 800K units

John B. Jr. Harlow, President and COO at Larimar Therapeutics, reported a grant / award of 800K units.

800K
Derivative units
Traded
Sep 29, 2026
Filed
Oct 1, 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. Aug 4, 2026Company filing · Form 8-K · Results, Other newsReported its results, and reported other company news
  2. Sep 29, 2026Company filing · Form 8-K · Executive changeChanged a top executive or board member“The Board of Directors (the “Board”) of Larimar Therapeutics, Inc. (the “Company”) appointed John B. Harlow, Jr. as the Company’s President and Chief Operating Officer pursuant to the terms of an employment agreement with Mr. Harlow (the “Employment Agreement”), effective as of September 29, 2026 (the “Effective Date”).”

What came next

  1. Nov 9, 2026Company filing · Form 8-K · Results, Other newsReported its results, and reported other company news
  2. Nov 11, 2026Insider · 6 peopleInsiders: 6 purchases (~$195K)
  3. Nov 12, 2026Insider · 7 insiders in a week, a first since 2014Director purchased ~$187K of LRMR shares in the open market
View the official recordSEC Form 4

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

For Larimar Therapeutics, OQRO holds 7 insider filings (SEC Form 4 or Form 144) 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 John B. Jr. Harlow, President and COO

The full history of John B. Jr. Harlow, President and COO is on the profile page.

How this filing works

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Other disclosures at Larimar Therapeutics

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

This is one filing. OQRO holds the rest

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