OSI Systems, Inc.

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Investigation Details

On March 13, 2025, before the market opened, Culper Research published a short seller report on OSI entitled OSI Systems (OSIS): SEDENA Unwinds, DoJ Subpoenas Fly, Execs Wave Goodbye. The report alleges i) OSIS’s Mexican revenues which grew from $23 million to $423 million “is largely an illusion” (total revenues in fiscal 2024 (June year-end) were $1.54 billion), and ii) OSIS has made “deliberately vague and misleading disclosures” about DOJ investigations into OSI.

Following this news, OSI’s stock price fell over 3% on the same day.