Odaily News According to a public document, Cboe submitted a Form 19b-4 to the US SEC to list the VanEck Solana ETF. Nate Geraci, president of The ETF Store, commented that Cboe has submitted 19b-4 documents on behalf of VanEck and 21Shares Solana ETFs respectively, and once the US Securities and Exchange Commission confirms these documents, the decision clock will start "ticking".