Reformation submitted a Form S‑1 on Thursday, marking the first step toward a U.S. stock‑market listing. Private‑equity sponsor Permira filed the prospectus without revealing the number of shares or price range. The move follows months of speculation after the Wall Street Journal reported a possible July debut by industry analysts who see the brand as a test case for eco‑focused apparel.

The filing shows $507 million in revenue for the most recent fiscal year, reflecting a 34% climb since 2015. Yet the company posted a $12.1 million loss on $112.3 million of sales in the quarter ended March 28, underscoring thin margins as it scales. The results raise questions about cost control while the brand enjoys strong digital traffic and celebrity endorsement.

Investors will weigh Reformation’s green‑image against its profitability gap. A robust IPO could provide capital for international store roll‑outs and deeper supply‑chain sustainability upgrades. Conversely, a modest pricing range would signal market scepticism toward fashion labels that rely heavily on trend‑driven sales and limited brick‑and‑mortar presence.

The filing puts Reformation on the shortlist of sustainable‑fashion companies seeking public capital this year. Market participants now watch the SEC’s review and the eventual price band to gauge whether celebrity cachet can translate into a viable public valuation. The outcome will set a benchmark for niche apparel IPOs.