Larimar Therapeutics Inc. Common Stock. Replay the stock market charts of LRMR day by day, back to 2003. Open long and short positions without spending any money. Larimar Therapeutics, Inc., a clinical-stage biotechnology company, focuses on developing treatments for rare diseases using its novel cell penetrating peptide technology platform. Its lead product candidate is CTI-1601, which is in Phase 1 clinical trial for the treatment of Friedreich's ataxia, a rare, progressive, and fatal genetic disease. The company is based in Bala Cynwyd, Pennsylvania.