Amgen, River Financial disclose cyber incidents; eight officers depart

Amgen, River Financial disclose cyber incidents; eight officers depart

Amgen Inc. and River Financial Corp. both filed Item 1.05 disclosures on cybersecurity incidents in the past 72 hours, signaling continued pressure on large and mid-cap firms to report breach activity. The Amgen filing came July 31; River Financial's disclosure followed July 30. Separately, a wave of officer departures struck blue-chip and mid-market names on May 8, including Edwards Lifesciences Corp., FedEx Corp., Baxter International Inc., and ADT Inc., among eight companies total. Small-cap volatility remains elevated: La Rosa Holdings Corp. (LRHC), Arrive AI Inc. (ARAI), and Quetta Acquisition Corp. (QETA) rank among the week's highest-flagged names, with multiple restatement and delisting risks flagged. Monitoring whether the cyber disclosures from Amgen and River Financial trigger broader remediation costs or regulatory follow-up.