Spok Holdings Lowers FY2026 Sales Guidance from $136.000M-$143.000M to $132.500M-$139.500M vs $139.300M Est

Spok Holdings (NASDAQ: SPOK ) lowers FY2026 sales outlook from $136.000 million-$143.000 million to $132.500 million-$139.500 million vs $139.300 million estimate.