Latest Updates | CATNMSPLAN

04/23/2026
Newsletter
Monthly CAT Update Newsletter: April 2026
04/23/2026
Reference Material
Small Firm Roadmap - Reference Database
04/23/2026
Reference Material
Small Firm Roadmap
04/07/2026
FAQ| V. CAT Billing
V23. How will transactions in fractional shares be treated under the funding model?
04/01/2026
Reference Material
Reference Database Portal User Guide v2.9.0
04/01/2026
Reference Material
CAT Fee Alert 2026-2
04/01/2026
Reference Material
CAT LLC- 2026 Financial and Operating Budget
04/01/2026
Reference Material
SEC Approved CAT NMS Plan as of 4/1/2026
04/01/2026
Reference Material
CAT Fee Alert 2026-1
03/27/2026
Reference Material
March 27, 2026 - SEC Approved CAT NMS Plan as of 3/27/2026
03/27/2026
Technical Specifications
Reference Database Technical Specifications v2.3.0
03/26/2026
Event
Reference Database Technical Specifications Working Group - March 17, 2026
03/25/2026
Announcement
2026 Consolidated Audit Trail Advisory Committee List
03/24/2026
Announcement
2026 Entitlement Certification Period - CAT Organizations With Super Account Administrators (SAAs)
03/19/2026
Event
Monthly CAT Update (March 19, 2026)

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