Mequon-based Titan Spine LLC has raised $7.5 million from Southlake Equity Group, according to an SEC filing the company submitted this week.

The medical device development company began offering the equity fund on June 30, and has raised the total amount in series D units from one investor, according to the filing.

Titan Spine announced in July it had raised a “substantial” investment from Texas-based Southlake in a round finalized June 30, which Titan founder and chief executive officer Dr. Peter Ullrich described then as more than all the other funds the company had raised in its history, combined. The company confirmed today the $7.5 million is the total Southlake investment.The medical device development company began offering the equity fund on June 30, and has raised the total amount in series D units from one investor, according to the filing. Read the full story here.