FinanceWilliam H Bartels sells $3.3m in SPAR Group stockInvesting.comWire ServicePublished: Jul 17, 2026, 12:16 AMUpdated: Jul 17, 2026, 12:37 AMWilliam H Bartels sells $3.3m in SPAR Group stockWilliam H Bartels sells $3.3m in SPAR Group stockRead the original report from Investing.com.