The San Francisco-based company, which sells and buys like-new clothing, intends to raise $25 million for this round, according to the document.
ThredUp did not respond to VentureBeat’s request for comment.
The funding could help ThredUp grab more attention than competitors, which include the better-known Poshmark, Threadflip, and Twice.
Previous investors from Highland Capital Partners, Redpoint Ventures, and Trinity Ventures are named in the filing. So are former Netflix and Clinkle executive Andy Rendich, Greg Bettinelli of Upfront Ventures, and ThredUP co-founder and chief executive James Reinhart.