How a direct play on electric vehicle batteries bypassed the ADR fee
Sigma Lithium, a major miner in Brazil, surged 8.8% as it refinanced high-cost debt and avoided the typical foreign stock fees for US retail investors.
American retail investors looking to back the global electric vehicle supply chain often run into a frustrating roadblock: the extra fees and trading delays associated with American Depositary Receipts (ADRs). Because most foreign companies list on their home exchanges first, US brokerages must charge custody fees to pass through dividends and maintain these indirect listings.
However, a major lithium producer operating in Brazil has bypassed this hurdle entirely by maintaining a direct, primary listing on the Nasdaq. On November 6, 2026, shares of Sigma Lithium Corporation closed up 8.79% at $5.82, emerging as a rare vehicle for direct South American commodity exposure without the typical ADR friction.
The jump came on the heels of a major balance sheet restructuring. On November 2, 2026, the company priced an upsized $125 million offering of senior unsecured convertible bonds due in 2031. This move replaces high-cost, floating-rate debt with a fixed 7% annual coupon, significantly cutting interest expenses and pushing its nearest major debt maturities out to 2031.
Sigma Lithium operates the Grota do Cirilo project in Minas Gerais, a historic mining state in southeastern Brazil. The region has rapidly transformed into a key node for the global energy transition due to its vast deposits of high-purity, hard-rock lithium. In its November 6, 2026 financial preview, the company projected it would generate $200 million in free cash flow over the next 12 months by producing 240,000 tons of lithium concentrate.
Despite the positive cash flow outlook, the company has faced operational headwinds. State and federal regulatory stoppages temporarily paused mining activity during the third quarter of 2026. While operations have since fully resumed, these disruptions dragged third-quarter gross margins down to 32%, compared to the 60% recorded in the second quarter of 2026.
In your brokerage app
Sigma Lithium Corporation, which operates its flagship mining assets in Brazil, is listed in New York on the Nasdaq under the ticker SGML. Because it is a direct common stock listing rather than an ADR, US retail investors can buy and sell the shares directly through standard brokerage accounts at Fidelity, Schwab, or Robinhood without incurring foreign depositary custody fees.
