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📋 '''Material non-public information''' (MNPI) refers to information about an insurance company or related entity that has not been disclosed to the public and that a reasonable investor would consider important in making a buy, sell, or hold decision regarding the company's securities. In the insurance sector, MNPI can encompass a wide range of data: advance knowledge of [[Definition:Loss reserve | reserve strengthening]] or releases, pending [[Definition:Mergers and acquisitions (M&A) | M&A]] transactions, confidential regulatory findings, undisclosed [[Definition:Catastrophe loss | catastrophe loss]] estimates, or early intelligence about a major [[Definition:Reinsurance | reinsurance]] renewal outcome. Because insurance companies routinely handle sensitive financial information — and because their stock prices are acutely sensitive to loss events and reserve adjustments — MNPI protections are a critical component of compliance infrastructure across the industry.

⚙️ Securities regulators worldwide impose strict prohibitions on trading or tipping based on MNPI. In the United States, the Securities and Exchange Commission enforces insider trading laws under the Securities Exchange Act, while equivalent frameworks exist under the EU's Market Abuse Regulation, the UK's Financial Conduct Authority rules, and securities laws in jurisdictions such as Hong Kong and Singapore. Within insurance organizations, compliance programs typically include information barriers ("Chinese walls") between departments that handle MNPI — such as the [[Definition:Actuarial department | actuarial]], [[Definition:Claims management | claims]], and corporate development teams — and those that manage proprietary [[Definition:Investment portfolio | investment portfolios]] or interact with external analysts. [[Definition:Insurance broker | Brokers]] and [[Definition:Reinsurance broker | reinsurance intermediaries]] are also exposed to MNPI risks because they receive confidential loss data, pricing strategies, and capacity plans from multiple market participants, creating potential conflicts if that information leaks across client boundaries.

⚖️ The consequences of mishandling MNPI in the insurance space extend well beyond regulatory fines and criminal liability. An insurer or [[Definition:Reinsurer | reinsurer]] found to have inadequate MNPI controls may face reputational damage that undermines counterparty trust — a currency that is difficult to rebuild in relationship-driven markets like [[Definition:Lloyd's of London | Lloyd's]] or the Bermuda reinsurance hub. During [[Definition:Mergers and acquisitions (M&A) | M&A]] processes, target companies must carefully manage the flow of MNPI through [[Definition:Due diligence | due diligence]] data rooms, often requiring bidders to enter standstill and non-disclosure agreements that explicitly restrict trading activity. For publicly listed insurers, the timing of disclosures around [[Definition:Catastrophe event | catastrophe events]] or reserve actions presents recurring MNPI challenges: markets may be aware that a hurricane has made landfall, but the insurer's internal loss estimate — refined through its own [[Definition:Catastrophe modeling | catastrophe models]] and claims data — remains material and non-public until formally released.

'''Related concepts:'''
{{Div col|colwidth=20em}}
* [[Definition:Insider trading]]
* [[Definition:Due diligence]]
* [[Definition:Information barrier]]
* [[Definition:Securities regulation]]
* [[Definition:Corporate governance]]
* [[Definition:Regulatory compliance]]
{{Div col end}}

Definition:Material non-public information - Revision history

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