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What Is a Suspicious Activity Report (SAR)?

By Kristi WaterworthUpdated Oct 19, 2025 at 9:03 PM

Key Points

  • SARs help track financial crimes like money laundering at banks, impacting investor confidence.
  • Banks must file SARs for unusual transactions; failure to do so results in severe penalties.
  • Investors should communicate openly with banks about large transactions to avoid triggering SARs.

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