Latest Updates | CATNMSPLAN

01/22/2026
Event
Monthly CAT Update (January 22, 2026)
01/20/2026
Event
Monthly CAT Update (February 19, 2026)
01/16/2026
Reference Material
SEC Approved CAT NMS Plan as of 1/13/2026
01/15/2026
Reference Material
CAT NMS Plan as of 11/29/2025
01/14/2026
Reference Material
CAT LLC Response to Comments – Funding Proposal
01/13/2026
Reference Material
SEC Order Approving Proposed CAIS Amendment
12/19/2025
Technical Specifications
2025 Industry Member Releases (Transaction) - Scope and Schedule
12/18/2025
Event
Monthly CAT Update (December 18, 2025)
12/18/2025
Reference Material
CAT LLC Response to Comments – Funding Proposal
12/17/2025
Reference Material
Proposed CAT NMS Plan Amendment – 2025 Cost Savings Amendment (12/17/25)
12/11/2025
Reference Material
CAT LLC- 2026 Financial and Operating Budget
12/01/2025
Reference Material
CAT LLC Response to Staff Questions and Partial Amendment – CAIS Amendment
11/25/2025
Reference Material
CAT Fee Alert 2025-4
11/21/2025
Technical Specifications
CAT Billing Release Rollout
11/20/2025
Event
Monthly CAT Update (November 20, 2025)

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