According to reports, Cboe BZX Exchange submitted Form 19b-4 to the U.S. Securities and Exchange Commission (SEC) in order to list the Canary PENGU ETF under BZX Rule 14.11(e)(4). The fund invests in PENGU tokens, Pudgy Penguins NFTs, and a small amount of SOL and ETH for on-chain operations through a commodity trust structure, and is currently awaiting SEC review.