Annual revisions to U.S. merger notification thresholds and increased filing fees are expected to take effect in February 2026. Interlocking Directorates thresholds also increase. The Federal Trade Commission ("FTC") announced on January 14, 2026, that the Hart-Scott-Rodino ("HSR") Act filing thresholds will once again increase. These thresholds determine which mergers and acquisitions must be reported to the federal government before consummation.