Categories Effective Rule Filings Rule Filings SR-MEMX-2026-26: Proposal to Amend Rule 13.4 Post author By Molly Hartley Post date August 12, 2026 Date Filed: August 12, 2026 Description: Proposal to amend Rule 13.4(a) to reflect the current operation of TXSE Exchange. SR-MEMX-2026-26Download ← SR-MEMX-2026-25: Proposal to Adopt Rules for the Listing and Trading of Securities Event Contracts → SR-MEMX-2026-27: Proposal to Amend Rule 20.6