VBIO ▼ -5.6% - Valion Bio, Inc. $VBIO - Valion Bio Announces Changes to Management and Board of Directors Valion Bio announced changes to its management and board of directors, resulting in a 5.6% decline in the stock today. Leadership transitions of this nature can create investor uncertainty about strategic direction and near-term execution. 01-SEP-2026 08:00 AM ET