John B. Harlow Jr.
President and COO · Larimar Therapeutics, Inc.
Individual
- 2026
- Oct 1, 2026
- 2
Other insiders active in the same stocks
Insiders who reported open-market trades in the last 12 months at the companies John B. Harlow Jr. files at. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
- James E. Flynn - $25.00M in LRMR purchases and sales in the last 12 months
- Thomas Edward Hamilton - $667K in LRMR purchases and sales in the last 12 months
- Jeffrey W. Sherman - $25K in LRMR purchases and sales in the last 12 months
- Frank E. Thomas - $25K in LRMR purchases and sales in the last 12 months
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Frequently asked questions
Who is John B. Harlow Jr.?
John B. Harlow Jr. is a corporate insider, tracked as President and COO of Larimar Therapeutics, Inc. (LRMR). InsiderAlpha holds 2 primary Form 4 filings for them, the earliest from 2026, updated as new SEC EDGAR filings are processed.
How many SEC Form 4 filings has John B. Harlow Jr. submitted recently?
1 primary Form 4 filing in the last 90 days, covering 1 company.
