MEMX LLC Rulemaking

We encourage the public to submit comments on the following MEMX LLC 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.

Chronological List
First Quarter

MEMX File Number List for 2023

Additional Archives

Chronological List for 2023

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Release No. Date Details
First Quarter
SR-MEMX-2023-06
34-97210 Mar. 28, 2023 Notice of Filing and Immediate Effectiveness of a Proposed Rule Change to Amend and Restate the Limited Liability Company Agreement of MEMX Holdings LLC
Comments due: 21 days after publication in the Federal Register
Additional Materials: Exhibit 5
SR-MEMX-2023-02
34-97131 Mar. 13, 2023 Notice of Withdrawal of a Proposed Rule Change to Amend the Exchange's Fee Schedule to Adopt Market Data Fees
SR-MEMX-2023-04
34-97130 Mar. 13, 2023 Notice of Filing and Immediate Effectiveness of a Proposed Rule Change to Amend the Exchange's Fee Schedule to Adopt Market Data Fees
Comments due: 21 days after publication in the Federal Register
Additional Materials: Exhibit 5
SR-MEMX-2023-05
34-97028 Mar. 2, 2023 Notice of Filing and Immediate Effectiveness of a Proposed Rule Change to Amend the Exchange's Fee Schedule
Comments due: 21 days after publication in the Federal Register
Additional Materials: Exhibit 5
SR-MEMX-2023-03
34-96802 Feb. 3, 2023 Notice of Filing and Immediate Effectiveness of a Proposed Rule Change to Amend the Exchange's Fee Schedule
Comments due: March 2, 2023
Additional Materials: Exhibit 5
SR-MEMX-2023-02
34-96775 Jan. 30, 2023 Notice of Filing and Immediate Effectiveness of a Proposed Rule Change to Amend the Exchange's Fee Schedule to Adopt Market Data Fees
Comments due: February 24, 2023
Additional Materials: Exhibit 5
Comments received are available for this proposal.
SR-MEMX-2023-01
34-96773 Jan. 30, 2023 Notice of Filing and Immediate Effectiveness of a Proposed Rule Change to Extend the Exchange's Post-Market Session to End at 8:00 p.m. Eastern Time
Comments due: February 24, 2023
Additional Materials: Exhibit 5
SR-MEMX-2022-32
34-96720 Jan. 20, 2023 Notice of Withdrawal of a Proposed Rule Change to Amend the Exchange's Fee Schedule to Adopt Market Data Fees
SR-MEMX-2022-34
34-96597 Jan. 3, 2023 Notice of Filing and Immediate Effectiveness of a Proposed Rule Change to Amend the Exchange's Fee Schedule
Comments due: January 30, 2023
Additional Materials: Exhibit 5

File Number List for 2023

Release No. Date Details
SR-MEMX-2023-06
34-97210 Mar. 28, 2023 Notice of Filing and Immediate Effectiveness of a Proposed Rule Change to Amend and Restate the Limited Liability Company Agreement of MEMX Holdings LLC
Comments due: 21 days after publication in the Federal Register
Additional Materials: Exhibit 5
SR-MEMX-2023-05
34-97028 Mar. 2, 2023 Notice of Filing and Immediate Effectiveness of a Proposed Rule Change to Amend the Exchange's Fee Schedule
Comments due: 21 days after publication in the Federal Register
Additional Materials: Exhibit 5
SR-MEMX-2023-04
34-97130 Mar. 13, 2023 Notice of Filing and Immediate Effectiveness of a Proposed Rule Change to Amend the Exchange's Fee Schedule to Adopt Market Data Fees
Comments due: 21 days after publication in the Federal Register
Additional Materials: Exhibit 5
SR-MEMX-2023-03
34-96802 Feb. 3, 2023 Notice of Filing and Immediate Effectiveness of a Proposed Rule Change to Amend the Exchange's Fee Schedule
Comments due: March 2, 2023
Additional Materials: Exhibit 5
SR-MEMX-2023-02
34-97131 Mar. 13, 2023 Notice of Withdrawal of a Proposed Rule Change to Amend the Exchange's Fee Schedule to Adopt Market Data Fees
34-96775 Jan. 30, 2023 Notice of Filing and Immediate Effectiveness of a Proposed Rule Change to Amend the Exchange's Fee Schedule to Adopt Market Data Fees
Comments due: February 24, 2023
Additional Materials: Exhibit 5
Comments received are available for this proposal.
SR-MEMX-2023-01
34-96773 Jan. 30, 2023 Notice of Filing and Immediate Effectiveness of a Proposed Rule Change to Extend the Exchange's Post-Market Session to End at 8:00 p.m. Eastern Time
Comments due: February 24, 2023
Additional Materials: Exhibit 5