Oura filed its S-1 on Thursday as it moves toward an initial public offering. The company plans to list on Nasdaq under the ticker OURA. According to the filing the firm had 5 million paid members as of June. Business Insider reports that the filing reveals 1.4 billion dollars in revenue. Oura is the wearable health technology company behind the popular smart ring. This step brings the business closer to becoming a publicly traded company on major exchanges. The post from the news outlet includes a link to the full story on the filing.