Company profile
Larimar Therapeutics, Inc. Insider Trading
LRMREvery SEC Form 4 insider trading filing for Larimar Therapeutics, Inc. (LRMR) since April 2023: open-market buys and sells by directors and officers, option exercises, and cluster activity, updated as each filing is reported to the SEC. Why 2023?
- Exchange
- Nasdaq
- Sector
- Pharmaceutical Preparations
- CIK
- 0001374690
- Filings
- 49
- Insiders
- 19
- Last filing
- 2026-07-06
Activity summary
No insider transactions in the last 30 days. The most recent was on July 6, 2026, when Thomas Edward Hamilton bought 50,000 shares. 49 filings from 19 insiders are on record below.
Three year balance
Buy and sell value by quarter, Q4 23 to Q3 26. Larimar Therapeutics, Inc. insiders are net buyers across the period shown.
Bars below the rule are sales, above are purchases. Largest quarter on the chart is $38.0M.
90 day insight
Over the last 90 days, Larimar Therapeutics, Inc. insiders bought $167K across 1 transaction with no open-market sales.
- Most active insider: Thomas Edward Hamilton with 1 transaction totaling $167K.
- Largest single purchase: $167K by Thomas Edward Hamilton on Jul 6, 2026.
Activity skews bullish: buys outpace sales.
Insider Transactions
Sourced from SEC EDGAR Form 4 filings. Updated hourly.
| Date | Insider | Company | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Jul 6, 2026 | Thomas Edward Hamilton | LRMR | Purchase | 50,000 | $3.34 | $167K |
| May 19, 2026 | James E Flynn | LRMR | Award | 55,150 | — | — |
| May 19, 2026 | Thomas Edward Hamilton | LRMR | Award | 55,150 | — | — |
| May 19, 2026 | Jonathan S Leff | LRMR | Award | 55,150 | — | — |
| May 19, 2026 | Frank E Thomas | LRMR | Award | 55,150 | — | — |
45 more transactions hidden
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-H "X-Api-Key: $KEY"Top insiders
By total value filed.
Institutional Ownership
Top 13F-HR holders of Larimar Therapeutics, Inc. as of 2026-06-30
Data source: quarterly 13F-HR filings: institutional holders report positions within 45 days of quarter end. Joined with insider activity above: see who's loading up institutionally while insiders are trading. Full 13F-HR API →