Form SC 13G/A MDC HOLDINGS INC Filed by: FMR LLC Sep 11, 2017 11:26AM
Form SC 13G/A MDC HOLDINGS INC Filed by: FMR LLC Feb 10, 2017 11:14AM
Form SC 13G/A MDC HOLDINGS INC Filed by: FMR LLC Feb 9, 2017 11:04AM
Form SC 13G MDC HOLDINGS INC Filed by: FMR LLC Feb 12, 2016 09:23AM