Self-Regulatory Organizations; MEMX LLC; Notice of Filing and Immediate Effectiveness of a Proposed Rule Change to Allow the Exchange to List and Trade Options on the Fidelity Ethereum Fund, the Grayscale Ethereum Trust ETF, the Grayscale Ethereum Mini Trust ETF, and the Bitwise Ethereum ETF

[Release No. 34-103223; File No. SR-MEMX-2025-15]