- SEC Filings: https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=0001701756&owner=exclude&count=40
- Section 16 Filings (Forms 3, 4 and 5): https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=0001701756&type=&dateb=&owner=only&count=40)