Securities and Exchange Commission
Document Headings Document headings vary by document type but may contain the following: the agency or agencies that issued and signed a document the number of the CFR title and the number of each part the document amends, proposes to amend, or is directly related to the agency docket number / agency internal file number the RIN which identifies each regulatory action listed in the Unified Agenda of Federal Regulatory and Deregulatory Actions See the Document Drafting Handbook for more details. Securities and Exchange Commission [Release No. 34-105444; File No. SR-MEMX-2026-10] May 12, 2026. Pursuant to Section 19(b)(1) of the Securities Exchange Act of 1934 (“Act”), [ 1 ] and Rule 19b-4 thereunder, [ 2 ] notice is hereby given that on April 27, 2026, MEMX LLC (“MEMX” or the “Exchange”) filed with the Securities and Exchange Commission (“Commission”) the proposed rule change as described in Items II and III below, which Items have been prepared by the Exchange. The Commission is publishing this notice to solicit comments on the proposed rule change from interested persons. I. Self-Regulatory Organization's Statement of the Terms of Substance of the Proposed Rule Change The Exchange is filing with the Commission a proposed rule change to establish fees for Industry Members  [ 3 ] related to reasonably budgeted CAT costs of the National Market System Plan Governing the Consolidated Audit Trail (the “CAT NMS Plan” or “Plan”) for the period from May 1, 2026 through December 31, 2026. These fees would be payable to Consolidated Audit Trail, LLC (“CAT LLC” or the “Company”) and referred to as CAT Fee 2026-1, and would be described in a section of the ( printed page 28034) Exchange's fee schedule entitled “Consolidated Audit Trail Funding Fees.” The fee rate for CAT Fee 2026-1 would be $0.000001 per executed equivalent share. CAT Executing Brokers will receive…
Citation: 91 FR 28033
