National Securities Exchanges - All Years

We encourage the public to submit comments on the following filings during the comment period. For detailed instructions, please read How to Submit Comments. We strongly encourage you to send your comments electronically. They will be posted on this website.

Release data on this page may be delayed by 15 minutes. For real-time release data, please visit National Securities Exchanges - Current.

Release Number SEC Issue Date Sort descending File Number SRO Organization Details
34-104571 Jan 9, 2026 SR-MEMX-2025-35 MEMX LLC (MEMX) Notice of Filing and Immediate Effectiveness of a Proposed Rule Change to Amend the Exchange’s Fee Schedule Concerning Options Routing Fees
Comments Due: February 4, 2026
See Also - Exhibit 5
34-104503 Dec 23, 2025 SR-MEMX-2025-34 MEMX LLC (MEMX) Notice of Filing and Immediate Effectiveness of a Proposed Rule Change to Amend Rule 4.7 of the Exchange's CAT Compliance Rule
Comments Due: January 21, 2026
See Also - Exhibit 5
34-104300 Dec 3, 2025 SR-MEMX-2025-33 MEMX LLC (MEMX) Notice of Filing and Immediate Effectiveness of a Proposal to Amend Exchange Rule 11.6(q)(1), Round Lot, to Conform with the Amendment to the Definition of Round Lot under Rule 600 of Regulation NMS Recently Approved by the Commission
Comments Due: December 29, 2025
See Also - Exhibit 5
34-104246 Nov 24, 2025 SR-MEMX-2025-32 MEMX LLC (MEMX) Notice of Filing and Immediate Effectiveness of a Proposal to Amend Rule 13.4(a) to Reflect the Operation of 24X Exchange
Comments Due: December 19, 2025
See Also - Exhibit 5
34-104224 Nov 19, 2025 SR-MEMX-2025-31 MEMX LLC (MEMX) Notice of Filing and Immediate Effectiveness of a Proposed Rule Change to Amend the Exchange’s Fee Schedule Concerning Equities Transaction Pricing
Comments Due: December 15, 2025
See Also - Exhibit 5
34-104029 Sep 24, 2025 SR-MEMX-2025-30 MEMX LLC (MEMX) Notice of Filing and Immediate Effectiveness of a Proposed Rule Change to Amend the Eighth Amended and Restated Limited Liability Company Agreement of MEMX Holdings LLC
Comments Due: October 20, 2025
See Also - Exhibit 5
34-103968 Sep 15, 2025 SR-MEMX-2025-29 MEMX LLC (MEMX) Notice of Filing and Immediate Effectiveness of a Proposed Rule Change to Amend Rule 11.6 to Clarify the Handling of Orders with a Post Only Instruction
Comments Due: October 9, 2025
See Also - Exhibit 5
34-103967 Sep 15, 2025 SR-MEMX-2025-28 MEMX LLC (MEMX) Notice of Filing and Immediate Effectiveness of a Proposed Rule Change to Amend the Exchange’s Fee Schedule Concerning Equities Transaction Pricing
Comments Due: October 9, 2025
See Also - Exhibit 5
34-103752 Aug 20, 2025 SR-MEMX-2025-26 MEMX LLC (MEMX) Notice of Filing and Immediate Effectiveness of Proposed Change to Amend Position and Exercise Limits for Options on the iShares Bitcoin Trust ETF, Grayscale Bitcoin Trust ETF, Grayscale Bitcoin Mini Trust and Bitwise Bitcoin ETF
Comments Due: September 15, 2025
See Also - Exhibit 5
34-103737 Aug 18, 2025 SR-MEMX-2025-25 MEMX LLC (MEMX) Notice of Filing and Immediate Effectiveness of a Proposed Rule Change to Make Non-Substantive Changes to the Exchange Rulebook
Comments Due: September 11, 2025
See Also - Exhibit 5