This update concerns SEC governance and infrastructure of the Consolidated Audit Trail system, which is a market surveillance and data management tool rather than a direct product or service offering to consumers or investors.
While the CAT indirectly supports equity market operations, this update focuses on administrative governance and privacy architecture rather than equity trading, brokerage, or settlement services themselves.
Specialism
The SEC concept release directly addresses governance, technology infrastructure, data security, and funding models for the Consolidated Audit Trail system, which are core regulatory reporting and data management obligations.
The update involves data security, privacy safeguards, and personally identifiable information handling, which fall under Data Protection regulatory requirements.
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SEC What's New
2026-04-17 13:16:12·ggallwey@vixio.com
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Commissioner Hester M. Peirce
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TITLE: United States Securities and Exchange Commission Issues Concept Release on Consolidated Audit Trail Governance and Privacy
BODY:
On April 16, 2026, the United States Securities and Exchange Commission (SEC) issued a concept release as part of its comprehensive review of the Consolidated Audit Trail (CAT), a government-mandated repository of every equity and options order and trade made by investors in U.S. markets.
The concept release poses substantive questions regarding CAT governance, technology infrastructure, data security, and funding models. The SEC has acknowledged significant longstanding concerns with the CAT, including substantial cost overruns—the estimated annual budget of $55 million in 2016 expanded to approximately $250 million annually—and schedule delays. In response, the SEC has taken several steps to address these issues, including reducing financial costs, ceasing mandated collection and storage of personally identifiable information, and reevaluating the collection of certain unnecessary and overly burdensome data fields. The SEC has also introduced the Compensation Committee Identification (CCID) as a substitute for social security numbers.
The concept release seeks public input on fundamental questions regarding the CAT's structure, including whether an alternative model not relying on a centralized repository could better safeguard privacy and civil liberty values. The SEC is consulting on whether further restrictions on regulators' ability to link personally identifiable information with transaction data could mitigate privacy risks, and whether market surveillance could continue effectively if the CAT were eliminated or restructured. The release also invites consideration of robust safeguards to prevent potential misuse of the system.
The SEC is accepting comments on the concept release to inform its reassessment of the CAT and broader reconsideration of its approach to financial surveillance.