Lumbar spine surgery company TranS1 Inc. (NSDQ:TSON) priced a public offering of 6.2 million shares of common stock at $3.25 per share, expecting to raise up to $20.2 million.

TranS1 plans to use the funds for additional clinical trials, reimbursement efforts, sales personnel, research and product development activities and working capital, according to SEC filings. It added that funds may go toward acquisition of or investment in technologies, products or assets that complement the business.