Latest Updates | CATNMSPLAN

03/19/2026
Event
Monthly CAT Update (March 19, 2026)
03/18/2026
Reference Material
Industry Member Schema v4.1.0 (2d)
03/06/2026
Technical Specifications
CAT Industry Member Technical Specifications (2d) v4.1.0 r15 (Clean)
03/06/2026
Technical Specifications
CAT Industry Member Technical Specifications (2d) v4.1.0 r15 (Redlined)
03/06/2026
Technical Specifications
2026 Industry Member Releases (Transaction) - Scope and Schedule
02/27/2026
Technical Specifications
Industry Member Reporting Scenarios v4.17 (Redlined)
02/27/2026
Technical Specifications
Industry Member Reporting Scenarios v4.17
02/27/2026
FAQ| B. Reporting Requirements
B45. Are electronic responses to a Request for Quote (RFQ) or other forms of solicitation responses reportable to CAT?
02/24/2026
Reference Material
February 24, 2026 – CAT LLC Comment Letter – 2025 Cost Savings Amendment
02/24/2026
Technical Specifications
CAT Reporting Technical Specifications for Plan Participants v4.2.0-r2
02/24/2026
Reference Material
February 24, 2026 – CAT LLC Comment Letter – Funding Proposal
02/19/2026
Event
Monthly CAT Update (February 19, 2026)
02/13/2026
CAT Alert
CAT Alert 2020-02 - Standards for Self Reporting Deviations of Clock Synchronization Standards to FINRA CAT
02/13/2026
Technical Specifications
CAT Industry Member Technical Specifications (2d) v4.1.0 r14
02/13/2026
Technical Specifications
Order Routing Field Mapping between CAT and Exchanges v2.17

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